NZ623627B2 - Protein kinase inhibitors - Google Patents
Protein kinase inhibitors Download PDFInfo
- Publication number
- NZ623627B2 NZ623627B2 NZ623627A NZ62362712A NZ623627B2 NZ 623627 B2 NZ623627 B2 NZ 623627B2 NZ 623627 A NZ623627 A NZ 623627A NZ 62362712 A NZ62362712 A NZ 62362712A NZ 623627 B2 NZ623627 B2 NZ 623627B2
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- NZ
- New Zealand
- Prior art keywords
- mmol
- compound
- mixture
- alkyl
- yield
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- 229940045988 antineoplastic drug protein kinase inhibitors Drugs 0.000 title description 2
- 239000003909 protein kinase inhibitor Substances 0.000 title description 2
- 150000001875 compounds Chemical class 0.000 claims abstract description 765
- 108091008794 FGF receptors Proteins 0.000 claims abstract description 18
- 230000005764 inhibitory process Effects 0.000 claims abstract description 13
- 206010028980 Neoplasm Diseases 0.000 claims abstract description 12
- 201000011510 cancer Diseases 0.000 claims abstract description 11
- 102000052178 fibroblast growth factor receptor activity proteins Human genes 0.000 claims abstract description 9
- -1 amino, hydroxy, hydroxy Chemical group 0.000 claims description 567
- 125000000217 alkyl group Chemical group 0.000 claims description 128
- 125000000753 cycloalkyl group Chemical group 0.000 claims description 34
- 125000003545 alkoxy group Chemical group 0.000 claims description 28
- 125000001997 phenyl group Chemical group [H]C1=C([H])C([H])=C(*)C([H])=C1[H] 0.000 claims description 26
- 229910052736 halogen Inorganic materials 0.000 claims description 18
- 150000002367 halogens Chemical class 0.000 claims description 18
- 229910052799 carbon Inorganic materials 0.000 claims description 17
- 125000006569 (C5-C6) heterocyclic group Chemical group 0.000 claims description 16
- 229910052739 hydrogen Inorganic materials 0.000 claims description 16
- 125000002887 hydroxy group Chemical group [H]O* 0.000 claims description 16
- 125000003282 alkyl amino group Chemical group 0.000 claims description 14
- 125000003342 alkenyl group Chemical group 0.000 claims description 13
- 150000003839 salts Chemical class 0.000 claims description 12
- 125000004093 cyano group Chemical group *C#N 0.000 claims description 11
- 125000000623 heterocyclic group Chemical group 0.000 claims description 11
- 125000003178 carboxy group Chemical group [H]OC(*)=O 0.000 claims description 8
- 239000003814 drug Substances 0.000 claims description 8
- 125000004453 alkoxycarbonyl group Chemical group 0.000 claims description 7
- 125000005843 halogen group Chemical group 0.000 claims description 6
- 125000002924 primary amino group Chemical group [H]N([H])* 0.000 claims description 6
- 125000002837 carbocyclic group Chemical group 0.000 claims description 4
- 238000004519 manufacturing process Methods 0.000 claims description 4
- 125000004448 alkyl carbonyl group Chemical group 0.000 claims description 3
- 239000008194 pharmaceutical composition Substances 0.000 claims description 3
- 125000001255 4-fluorophenyl group Chemical group [H]C1=C([H])C(*)=C([H])C([H])=C1F 0.000 claims description 2
- 239000003937 drug carrier Substances 0.000 claims description 2
- 125000004070 6 membered heterocyclic group Chemical group 0.000 claims 1
- DLFVBJFMPXGRIB-UHFFFAOYSA-N Acetamide Chemical compound CC(N)=O DLFVBJFMPXGRIB-UHFFFAOYSA-N 0.000 abstract description 31
- 125000001424 substituent group Chemical group 0.000 abstract description 3
- 239000003112 inhibitor Substances 0.000 abstract description 2
- PFZYCSMSJVMZJO-UHFFFAOYSA-N Cn1cc(cn1)-c1ccc2n(cnc2c1)-c1cc(NS(=O)(=O)C2CC2)cc(c1)-c1ccc(F)cn1 Chemical compound Cn1cc(cn1)-c1ccc2n(cnc2c1)-c1cc(NS(=O)(=O)C2CC2)cc(c1)-c1ccc(F)cn1 PFZYCSMSJVMZJO-UHFFFAOYSA-N 0.000 abstract 2
- 125000006268 biphenyl-3-yl group Chemical group [H]C1=C([H])C([H])=C(C([H])=C1[H])C1=C([H])C(*)=C([H])C([H])=C1[H] 0.000 abstract 2
- 125000002962 imidazol-1-yl group Chemical group [*]N1C([H])=NC([H])=C1[H] 0.000 abstract 2
- 239000000203 mixture Substances 0.000 description 458
- XEKOWRVHYACXOJ-UHFFFAOYSA-N Ethyl acetate Chemical compound CCOC(C)=O XEKOWRVHYACXOJ-UHFFFAOYSA-N 0.000 description 372
- 239000000047 product Substances 0.000 description 361
- 238000004895 liquid chromatography mass spectrometry Methods 0.000 description 333
- 238000005481 NMR spectroscopy Methods 0.000 description 308
- 239000000243 solution Substances 0.000 description 306
- 239000002904 solvent Substances 0.000 description 257
- 238000000034 method Methods 0.000 description 234
- VLKZOEOYAKHREP-UHFFFAOYSA-N n-Hexane Chemical compound CCCCCC VLKZOEOYAKHREP-UHFFFAOYSA-N 0.000 description 177
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 description 147
- LFQSCWFLJHTTHZ-UHFFFAOYSA-N Ethanol Chemical compound CCO LFQSCWFLJHTTHZ-UHFFFAOYSA-N 0.000 description 144
- 229940093499 ethyl acetate Drugs 0.000 description 124
- 235000019439 ethyl acetate Nutrition 0.000 description 124
- OKKJLVBELUTLKV-UHFFFAOYSA-N Methanol Chemical compound OC OKKJLVBELUTLKV-UHFFFAOYSA-N 0.000 description 117
- 239000000543 intermediate Substances 0.000 description 108
- 238000002953 preparative HPLC Methods 0.000 description 105
- BDAGIHXWWSANSR-UHFFFAOYSA-N methanoic acid Natural products OC=O BDAGIHXWWSANSR-UHFFFAOYSA-N 0.000 description 100
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- YMWUJEATGCHHMB-UHFFFAOYSA-N dichloromethane Natural products ClCCl YMWUJEATGCHHMB-UHFFFAOYSA-N 0.000 description 80
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- 229960001866 silicon dioxide Drugs 0.000 description 72
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- 235000019253 formic acid Nutrition 0.000 description 50
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- HPALAKNZSZLMCH-UHFFFAOYSA-M sodium;chloride;hydrate Chemical compound O.[Na+].[Cl-] HPALAKNZSZLMCH-UHFFFAOYSA-M 0.000 description 45
- UMJSCPRVCHMLSP-UHFFFAOYSA-N pyridine Natural products COC1=CC=CN=C1 UMJSCPRVCHMLSP-UHFFFAOYSA-N 0.000 description 44
- 239000000460 chlorine Substances 0.000 description 43
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- 235000011152 sodium sulphate Nutrition 0.000 description 38
- 239000012043 crude product Substances 0.000 description 35
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- KZPYGQFFRCFCPP-UHFFFAOYSA-N 1,1'-bis(diphenylphosphino)ferrocene Chemical compound [Fe+2].C1=CC=C[C-]1P(C=1C=CC=CC=1)C1=CC=CC=C1.C1=CC=C[C-]1P(C=1C=CC=CC=1)C1=CC=CC=C1 KZPYGQFFRCFCPP-UHFFFAOYSA-N 0.000 description 33
- 239000000706 filtrate Substances 0.000 description 31
- WYURNTSHIVDZCO-UHFFFAOYSA-N tetrahydrofuran Substances C1CCOC1 WYURNTSHIVDZCO-UHFFFAOYSA-N 0.000 description 30
- 239000012044 organic layer Substances 0.000 description 27
- 150000001412 amines Chemical class 0.000 description 25
- 239000002244 precipitate Substances 0.000 description 25
- 239000007864 aqueous solution Substances 0.000 description 24
- BERDEBHAJNAUOM-UHFFFAOYSA-N copper(i) oxide Chemical compound [Cu]O[Cu] BERDEBHAJNAUOM-UHFFFAOYSA-N 0.000 description 24
- 239000011698 potassium fluoride Substances 0.000 description 23
- 235000003270 potassium fluoride Nutrition 0.000 description 23
- HEDRZPFGACZZDS-UHFFFAOYSA-N Chloroform Chemical compound ClC(Cl)Cl HEDRZPFGACZZDS-UHFFFAOYSA-N 0.000 description 22
- IAZDPXIOMUYVGZ-WFGJKAKNSA-N Dimethyl sulfoxide Chemical compound [2H]C([2H])([2H])S(=O)C([2H])([2H])[2H] IAZDPXIOMUYVGZ-WFGJKAKNSA-N 0.000 description 22
- 239000012359 Methanesulfonyl chloride Substances 0.000 description 22
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- BJMSXWLXFYZHIU-UHFFFAOYSA-N 1-methyl-3-(4,4,5,5-tetramethyl-1,3,2-dioxaborolan-2-yl)pyrazole Chemical compound CN1C=CC(B2OC(C)(C)C(C)(C)O2)=N1 BJMSXWLXFYZHIU-UHFFFAOYSA-N 0.000 description 21
- PFWWSGFPICCWGU-UHFFFAOYSA-N cyclopropanesulfonyl chloride Chemical compound ClS(=O)(=O)C1CC1 PFWWSGFPICCWGU-UHFFFAOYSA-N 0.000 description 21
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- 238000005160 1H NMR spectroscopy Methods 0.000 description 19
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- 235000019270 ammonium chloride Nutrition 0.000 description 17
- 239000007787 solid Substances 0.000 description 16
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- FJDQFPXHSGXQBY-UHFFFAOYSA-L caesium carbonate Chemical compound [Cs+].[Cs+].[O-]C([O-])=O FJDQFPXHSGXQBY-UHFFFAOYSA-L 0.000 description 14
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- ZUOUZKKEUPVFJK-UHFFFAOYSA-N diphenyl Chemical group C1=CC=CC=C1C1=CC=CC=C1 ZUOUZKKEUPVFJK-UHFFFAOYSA-N 0.000 description 14
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- A61K31/41—Heterocyclic compounds having nitrogen as a ring hetero atom, e.g. guanethidine or rifamycins having five-membered rings with two or more ring hetero atoms, at least one of which being nitrogen, e.g. tetrazole
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- A61K31/41—Heterocyclic compounds having nitrogen as a ring hetero atom, e.g. guanethidine or rifamycins having five-membered rings with two or more ring hetero atoms, at least one of which being nitrogen, e.g. tetrazole
- A61K31/42—Oxazoles
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- A61K31/41—Heterocyclic compounds having nitrogen as a ring hetero atom, e.g. guanethidine or rifamycins having five-membered rings with two or more ring hetero atoms, at least one of which being nitrogen, e.g. tetrazole
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Abstract
Disclosed is a compound of formula (I), wherein the substituents are as defined in the specification. The compounds of formula (I) possess utility as FGFR inhibitors and are useful in the treatment of a condition, where FGFR kinase inhibition is desired, such as cancer. Examples of a compound of formula (I) are: N-(2',4'-difluoro-S-(S-(1-methyl-1H-pyrazol-4-yl)-1H-benzo[d]imidazol-1-yl)biphenyl-3-yl)acetamide N-(3-(5-fluoropyridin-2-yl)-5-(5-(1-methyl-1H-pyrazol-4-yl)-1H-benzo[d]-imidazol-1-yl)phenyl)cyclopropanesulfonamide formula (I) are: N-(2',4'-difluoro-S-(S-(1-methyl-1H-pyrazol-4-yl)-1H-benzo[d]imidazol-1-yl)biphenyl-3-yl)acetamide N-(3-(5-fluoropyridin-2-yl)-5-(5-(1-methyl-1H-pyrazol-4-yl)-1H-benzo[d]-imidazol-1-yl)phenyl)cyclopropanesulfonamide
Description
PROTEIN KINASE INHIBITORS
Technical field
The present invention relates to therapeutically active compounds and pharma-
ceutically acceptable salts thereof which are useful e.g. in the treatment of cancer.
Background of the invention
Protein kinases are a class of proteins (enzymes) that regulate a variety of
cellular functions. This is accomplished by phosphorylation of specific amino acids on
protein substrates resulting in conformational alteration of the substrate protein. The
conformational change modulates the activity of the substrate or its ability to interact
with other binding partners. Tyrosine kinases are a subset of protein kinases that
catalyze the transfer of the terminal phosphate of adenosine triphosphate (ATP) to
tyrosine residues on protein substrates. The human genome contains around 90 tyrosine
kinases and 43 tyrosine kinase like genes, the products of which regulate cellular
proliferation, survival, differentiation, function and motility.
Tyrosine kinases are of two varieties, i.e. receptor and non-receptor tyrosine
kinases. Receptor tyrosine kinases (e.g., FGFR) are trans-membrane proteins with a
ligand-binding extracellular domain and a catalytic intracellular kinase domain, while
non-receptor tyrosine kinases (e.g., c-ABL) lack trans-membrane domains and are found
in the cytosol, nucleus and inner surface of cell membrane. Kinase domains of all
tyrosine kinases have bilobar architecture, with an N-terminal lobe that binds ATP and
magnesium, a C-terminal lobe containing an activation loop, and a cleft between the
lobes to which polypeptide substrates bind.
Receptor tyrosine kinases become activated when ligand binds to the
extracellular domain, resulting in receptor oligomerization and autophosphorylation of a
regulatory tyrosine within the activation loop of the kinase domain. These phenomena
reorient important amino acid residues, thereby enhancing catalytic activity of the
enzyme.
Fibroblast growth factor (FGF) has been recognized as an important mediator of
many physiological processes, such as cell migration, proliferation, survival and
differentiation during development and angiogenesis. There are currently over 25 known
members of the FGF family. The fibroblast growth factor receptor (FGFR) family
consists of four members with each composed of an extra cellular ligand binding
domain, a single trans-membrane domain and an intracellular cytoplasmic protein
tyrosine kinase domain. Upon stimulation with FGF, FGFRs undergo dimerisation and
transphosphorylation. Upon dimerization, FGFRs activate range of downstream
signaling pathways, such as MAPK and PKB/Akt pathways (Zhou, W. et. al. Chemistry
& Biology, 2010, 17, 285). Abnormal FGFR signaling has been reported in many tumor
types including multiple myeloma, gastric, endometrial, prostate and breast (Squires M.
et. al. Mol. Cancer Ther., September 2011, 10:1542-1552). FGFs also have role in
tumor angiogenesis and mediate resistance to vascular endothelial growth factor
receptor 2 (VEGFR2) inhibitors (Casanovas, O. et. al., Cancer Cell, 2005, 8, 299).
Consequently, FGF and FGFRs have the potential to initiate and/or promote
tumorigenesis. Due to this, the FGF signaling system happens to be an attractive
therapeutic target, mainly because therapies targeting FGFRs and/or FGF signaling may
affect both the tumor cells and also tumor angiogenesis (Foote, K. M. et. al., WO
2009/019518 A1). Consequently, FGF and FGFRs have the potential to initiate and/or
promote tumorigenesis.
In this specification where reference has been made to other external documents,
or other sources of information, this is generally for the purpose of providing a context
for discussing the features of the invention. Unless specifically stated otherwise,
reference to such external documents is not to be construed as an admission that such
documents, or such sources of information, in any jurisdiction, are prior art, or form part
of the common general knowledge in the art.
Summary of the invention
It has been found that compounds of formula (I) inhibit or modulate the activity
of certain protein kinases, more specifically protein tyrosine kinases. In particular, it has
been found that the compounds of formula (I) are potent and selective inhibitors of
FGFR kinases. The compounds of the invention have antiproliferative activity and are
particularly useful in the treatment of cancer.
The compounds of the present invention have a structure represented by
formula (I)
wherein
Z is CH or N;
G is a group of formula
wherein A is a phenyl ring or a 5-12 membered heterocyclic ring, and
R is H, C alkyl, C cycloalkyl, C cycloalkyl C alkyl, C alkoxy, C
1 1-7 3-7 3-7 1-7 1-7 1-7
alkyl carbonyl, amino, hydroxy, hydroxy C alkyl, C alkylamino C alkyl, phenyl
1-7 1-7 1-7
C alkoxy, -NHC(O)-R , -R -C(O)-R , -SO -R or -E-R , and
1-7 21 12 13 2 14 6
R is H, halogen, C alkyl or oxo;
2 1-7
B is a 5-12 membered carbocyclic or heterocyclic ring;
R is H, halogen, C alkyl, C alkoxy, cyano or an optionally substituted 5-6
3 1-7 1-7
membered heterocyclic ring;
R is H, halogen, C alkyl or oxo;
4 1-7
M is hydroxyl, C alkyl or -NHR ;
1-7 5
R is H, -C(O)R , -SO R , -C(O)-D-R or an optionally substituted 5-6
7 2 8 9
membered heterocyclic ring;
R is an optionally substituted 5-6 membered heterocyclic ring;
R is C alkyl, C alkenyl, C cycloalkyl, C alkoxy, C alkoxy C alkyl,
7 1-7 2-7 3-7 1-7 1-7 1-7
carboxy C alkyl, C alkoxy carbonyl C alkyl, C alkylamino C alkyl, -NH-R
1-7 1-7 1-7 1-7 1-7 10
or -NH-X -R ;
1 11
R is C alkyl, C alkenyl, C cycloalkyl, hydroxy C alkyl, -NR R , -NH-
8 1-7 2-7 3-7 1-7 18 19
X -R , phenyl or an optionally substituted 5-6 membered heterocyclic ring;
2 20
R is phenyl or an optionally substituted 5-6 membered heterocyclic ring;
R is C alkyl or C cycloalkyl;
1-7 3-7
R is phenyl or an optionally substituted 5-6 membered heterocyclic ring;
R and R are C alkyl;
12 21 1-7
R is C alkoxy, amino or hydroxy;
13 1-7
R is C alkyl or C cycloalkyl;
14 1-7 3-7
R and R are, independently, H, C alkyl or C cycloalkyl;
18 19 1-7 3-7
R is phenyl or an optionally substituted 5-6 membered heterocyclic ring;
E is a bond or a C alkyl;
D is a bond or a C alkyl;
X and X are, independently, a bond or C alkyl;
1 2 1-7
and pharmaceutically acceptable salts thereof.
Described herein are compounds of formula (I) wherein:
G is cyano, -C(O)NR R , -C(O)OR , -C(O)R , or -C(CH )=NOR ;
16 17 21 3 22
R , R , and R are, independently, H, C alkyl or C cycloalkyl;
16 17 1-7 3-7
R is an optionally substituted 5-6 membered heterocyclic ring; and
R is H or C alkyl,
22 1-7
and all other variables are as described above.
In one class of preferred compounds are compounds of formula (I), wherein ring
A is any one of the following groups or tautomers thereof:
(6')
(2') (5')
(1') (3') (4')
(12')
(9') (10') (11')
(8')
(7')
and R and R , as defined above, are attached to the above A-rings.
In another class of preferred compounds are compounds of formula (I), wherein
ring B is any one of the following groups or tautomers thereof:
and R and R , as defined above, are attached to the above B-rings.
In another class of preferred compounds are compounds of formula (I), wherein
Z is CH. In another class of preferred compounds are compounds of formula (I),
wherein Z is N.
A subclass of the above preferred classes are compounds wherein
G is a group of formula
wherein A is a ring of formula (1’), (2’), (3’), (4’), (5’), (7’), (10’), (12’), (14’),
(16’) or (20’);
R is H, C alkyl, C alkoxy, hydroxy C alkyl, C alkylamino C alkyl or
1 1-7 1-7 1-7 1-7 1-7
-E-R ;
R is H;
B is a ring of formula (1’’), (2’’), (3’’), (4’’) or (6’’);
E is a bond or C alkyl;
R is any of the following groups
R is H, halogen, C alkyl, C alkoxy;
3 1-7 1-7
R is H or halogen;
M is -NHR ;
R is –C(O)R , -SO R or –C(O)-D-R or any one of the following groups
7 2 8 9
R is C alkyl, C alkenyl, -NH-R or -NH-X -R ;
7 1-7 2-7 10 1 11
R is C alkyl, C alkenyl, C cycloalkyl, hydroxy C alkyl, -NR R -NH-
8 1-7 2-7 3-7 1-7 18 19,
X -R , phenyl or a group
2 20
R is phenyl or a any one of the following groups
R is C alkyl or C cycloalkyl;
1-7 3-7
R is phenyl, 4-fluorophenyl, or any one of the following groups
(c')
R and R are, independently, H, C alkyl or C cycloalkyl;
18 19 1-7 3-7
R is a group
X and X are, independently, a bond or C alkyl, and
1 2 1-7
D is a bond or C alkyl.
In one class are compounds of formula (I), wherein M is -NHC(O)R , wherein R
is C alkyl, C alkenyl, C cycloalkyl, -NH-R or -NH-X -R , wherein R is C
1-7 2-7 3-7 10 1 11 10 1-7
alkyl or C cycloalkyl, X is a bond or C alkyl, and R is a 5-6 membered hetero-
3-7 1 1-7 11
cyclic ring optionally substituted by one or two C alkyl groups.
In another class are compounds of formula (I), wherein M is -NHSO R wherein
R is C alkyl, C alkenyl, C cycloalkyl, phenyl, or NR R wherein R and R
8 1-7 2-7 3-7 18 19 18 19
are, independently, H, C alkyl or C cycloalkyl.
1-7 3-7
In another class are compounds of formula (I), wherein M is -NHC(O)-D-R
wherein D is bond or C alkyl, and R is a 5-6 membered heterocyclic ring optionally
1-7 9
substituted by one or two C alkyl groups.
The present invention also provides a pharmaceutical composition comprising a
compound of formula (I) or a pharmaceutically acceptable salt thereof together with a
pharmaceutically acceptable carrier.
The present invention provides further a use of a compound of formula (I) or a
pharmaceutically acceptable salt thereof in the manufacture of a medicament for the
treatment of a condition where FGFR kinase inhibition is desired.
The present invention provides further a use of a compound of formula (I) or a
pharmaceutically acceptable salt thereof in the manufacture of a medicament for the
treatment of cancer.
The present invention provides a compound of formula (I) or a pharmaceutically
acceptable salt thereof for use in the treatment of a condition where FGFR kinase
inhibition is desired.
The present invention provides a compound of formula (I) or a pharmaceutically
acceptable salt thereof for use in the treatment of cancer.
The present invention provides a compound of formula (I) or a pharmaceutically
acceptable salt thereof for use as a medicament.
Described herein is a method for the treatment of a condition, where FGFR
kinase inhibition is desired comprising administering to a subject in need thereof a
therapeutically effective amount of a compound of formula (I).
Described herein is a method for the treatment of cancer comprising
administering to a subject in need thereof a therapeutically effective amount of a
compound of formula (I).
In the description in this specification reference may be made to subject matter
which is not within the scope of the appended claims. That subject matter should be
readily identifiable by a person skilled in the art and may assist in putting into practice
the invention as defined in the appended claims.
Detailed description of the invention
The compounds of the invention can be prepared by a variety of synthetic routes
analogously to the methods known in the literature using suitable starting materials. The
compounds according to formula (I) can be prepared e.g. analogously or according to
the following reaction Schemes. Some compounds included in the formula (I) can be
obtained by converting the functional groups of the other compounds of formula (I)
obtained in accordance with the following Schemes, by well known reaction steps such
as oxidation, reduction, hydrolysis, acylation, alkylation, amidation, amination,
sulfonation and others. It should be noted that any appropriate leaving groups, e.g. N-
protecting groups, such as a t-butoxycarbonyl (t-BOC) group or a phenylsulfonyl group,
can be used in well known manner during the syntheses in order to improve the
selectivity of the reaction steps
Compounds of formula (I), wherein G is an optionally substituted A-ring and R
is -C(O)CH can be prepared, for example, according to Scheme 1, wherein R , R , R ,
3 1 2 3
R , ring A, ring B and Z, are as defined above, and R is hydrogen or alkyl. In the method
of Scheme 1, the N-(3-bromonitrophenyl)acetamide [1] is coupled in a suitable
solvent such as 1,2-dimethoxyethane with a boronic acid derivative [2] or a suitable
ester thereof in the presence of Pd(dppf)Cl and aqueous sodium carbonate at elevated
temperature. The nitro group of the obtained compound [3] is reduced, e.g. with
hydrogen and Pd/C catalyst, iron powder and aqueous calcium chloride or zinc and
aqueous ammonium chloride, and the resulting amine [4] is reacted with compound [5]
in a suitable solvent such as DMF in the presence of potassium fluoride at elevated
temperature to obtain compound [6]. In case Z is CH in the compound [5], X’’ is
suitably fluoro, and when Z is N, X’’ is suitably chloro. The nitro group in compound
[6] is reduced, e.g. by using zinc and aqueous ammonium chloride or iron powder and
aqueous calcium chloride, and the resulting amine [7] is heated with formic acid to
produce compound [8] in a ring closure reaction. Finally, compound [10] is obtained by
the Suzuki coupling between compound [8] and a boronic acid derivative [9] or a
suitable ester thereof in a suitable solvent such as 1,2-dimethoxyethane in the presence
of Pd(dppf)Cl and aqueous sodium carbonate at elevated temperature.
Alternatively, the compound of formula [3] can be prepared according to Scheme
2, wherein R , R , ring B and R are as defined above, using the boronic acid derivative
or a suitable ester thereof in the presence of Pd(dppf)Cl and aqueous sodium
carbonate. Compound [11] can be prepared, e.g. by treating N-(3-bromonitrophenyl)-
acetamide with bis(pinacolato)diboron in the presence of Pd(dppf)Cl and potassium
acetate.
In case the B-ring in the compound [3] is a heterocycle linked to phenyl via a
nitrogen heteroatom, the compound [3] can be also prepared using a copper-catalyzed
Buchwald amination in the presence of a base such cesium carbonate or potassium
carbonate according to Scheme 3, wherein R and R are as defined above.
In case the B-ring in the compound [3] is pyrrole ring linked to phenyl via a
nitrogen atom, the compound [3] can be also prepared from 3,5-dinitroaniline [15] and
2,5-dimethoxytetrahydrofuran according to Scheme 4. The pyrrole derivative [16]
formed is reduced using ammonium sulphide to obtain compound [17], which is
subsequently reacted with acetic anhydride to afford compound [18].
In case where ring A in the compound [10] is an oxazolyl ring, the compound
[10] can be also prepared according to Scheme 5, wherein ring B, R and R are as
defined above. In this method the compound [4] is treated with 4-fluoronitro-
benzaldehyde and the resulting compound [20] is thereafter reacted with toluene-
sulfonylmethyl isocyanide to produce the oxazolyl compound [21] in a ring closure
reaction. The nitro group of compound [21] can be further reduced, e.g. by
hydrogenation, to produce the corresponding amine, which can be then treated with
formic acid according to Scheme 1 to afford the end product in the ring closure reaction.
In case where ring A in the compound [10] is a heterocycle linked to the carbon
atom of the bicyclic ring via a nitrogen heteroatom, the compound [10] can be also
prepared using Buchwald coupling according to Scheme 6, wherein X’, ring B, R , R ,
R , and R are as defined above.
In case where ring A in the compound [10] is an 1H-1,2,3-triazolyl ring and
R is hydrogen, the compound [10] can be also prepared according to Scheme 7,
wherein X’, Z, R , R , R and ring B, are as defined above. The starting compound [8] is
1 3 4
silylated by reacting with ethynyltrimethylsilane in the presence of tetrakis(triphenyl-
phosphine)palladium(0) (Pd(PPh ) ) and Cu(I)iodide to produce compound [32].
Treatment with TBAF affords the ethynyl compound [33] which can be reacted with
azido compound R -N in a suitable solvent, such as DMSO:THF:water (1:1:1) or
DMSO:DCM:water (1:1:1) to afford compound [34].
In case where ring A in the compound [10] is a 1-methyl-1H-pyrazolyl ring,
the compound [10] can be also prepared according to Scheme 8, wherein R , R and ring
B, are as defined above. In this method the compound [4] is treated with 1-(4-fluoro
nitrophenyl)ethanone and the resulting compound [36] is thereafter reacted with DMF
dimethylacetal to produce the oxazolyl compound [37]. Subsequent treatment with
methyl hydrazine produces compound [38] in a ring closure reaction. The nitro group of
compound [38] can be further reduced, e.g. by aqueous ammonium and zinc, to produce
the corresponding amine, which can be then treated with formic acid according to
Scheme 1 to afford the end product in the ring closure reaction.
In case where ring A in the compound [10] is a 1H-imidazolyl ring, the
compound [10] can be also prepared according to Scheme 9, wherein R , R and ring B,
are as defined above. In this method the compound [20] of Scheme 5 is treated with
ethylene diamine and N-bromosuccinimide affording compound [39] in a ring closure
reaction. The nitro group of compound [39] can be further reduced, e.g. by aqueous
ammonium and zinc, to produce the corresponding amine, which can be then treated
with formic acid according to Scheme 1 to afford the end product in the ring closure
reaction.
Various compounds of formula (I), wherein R is other than -C(O)CH , can be
prepared, for example, according to Scheme 10, wherein R , R , R , R , R , R , R , Z, D,
1 2 3 4 7 8 9
ring A and ring B are as defined above. The acetamide compound [10] can be converted
to its corresponding amine [24], for example, by heating in ethanol in the presence of a
base, such as aqueous sodium hydroxide or potassium hydroxide, or an acid such as
aqueous HCl. The obtained amine [24] can be used as a starting material for subsequent
reaction steps. The compounds of formula (I), wherein R is -SO R can be prepared, for
2 8
example, by treating the amine [24] with Cl-SO R in suitable solvent such as DCM in
the presence of pyridine. Compounds of formula (I), wherein R is -C(O)R and R is C
7 7 1-
alkyl or C alkylamino C alkyl, can be prepared, for example, by reacting the amine
7 1-7 1-7
with HOOC-R in suitable solvent such as DMF in the presence of 2-(1Haza-
benzotriazolyl)-1,1,3,3-tetramethyl uronium hexafluorophosphate methanaminium
(HATU) and DIPEA. Compounds of formula (I), wherein R is -C(O)-D-R can be
prepared, for example, by reacting the amine [24] with HOOC-D-R in suitable solvent
such as DMF in the presence of EDC, HOBt and DIPEA. Compounds of formula (I),
wherein R is -C(O)-D-R , D is a bond and R is a heterocyclic ring linked to the
9 9
carbonyl carbon atom via nitrogen heteroatom, can be prepared by reacting the amine
with phosgene and then with compound [29] as shown in Scheme 10.
Compounds of formula (I), wherein R is -NH-R or -NH-X-R , can be
7 10 11
prepared, for example, according to Scheme 11 by reacting the amine [24] in a suitable
solvent such n-butanol with isocyanato derivatives O=C=N-R or O=C=N-X-R in the
11
presence of suitable base such as triethylamine (TEA). Alternatively, compounds
wherein R is -NH-X-R can be prepared by treating amine [24] in suitable solvent such
7 11
as DCM with phosgene and then with H N-X-R , see Scheme 11.
2 11
Compounds wherein G is other than optionally substituted ring A, can be
prepared analogously using the methods of Scheme 1, wherein X’ is replaced by G.
Compounds of formula (I) wherein G is -C(O)NH can be also prepared by heating
compound [8], wherein X’ is cyano, in aqueous potassium hydroxide.
Compounds wherein M is a hydroxy group can be suitably prepared from a
compound of formula [42] followed by the bicyclic ring closure as in Scheme 1 and
addition of the B-ring by e.g. Suzuki coupling as in Scheme 1. The alkoxy group of the
obtained compound can be transformed into the hydroxy group e.g. by heating the
alkoxy compound in the presence of thiourea/AlCl reagent pair.
G NO
Br O
Finally, compounds wherein R is an optionally substituted 5-6 membered
heterocyclic ring can be prepared according to Scheme 12 or 13 starting from a
compound [40] or [42], wherein R , R , Z, ring B and G are as defined above, using
palladium (e.g. Pd (dba) ) catalyzed C-N coupling in the presence of a metal chelating
ligand such as Xantphos.
Pharmaceutically acceptable salts, e.g. acid addition salts with both organic and
inorganic acids are well known in the field of pharmaceuticals. Non-limiting examples
of these salts include chlorides, bromides, sulfates, nitrates, phosphates, sulfonates,
formates, tartrates, maleates, citrates, benzoates, salicylates and ascorbates.
Pharmaceutically acceptable esters, when applicable, may be prepared by known
methods using pharmaceutically acceptable acids that are conventional in the field of
pharmaceuticals and that retain the pharmacological properties of the free form. Non-
limiting examples of these esters include esters of aliphatic or aromatic alcohols, e.g.
methyl, ethyl, propyl, isopropyl, butyl, isobutyl, sec-butyl, tert-butyl esters. Phosphate
esters and carbonate esters, are also within the scope of the invention.
The terms employed herein have the following meanings:
The term “comprising” as used in this specification and claims means
“consisting at least in part of”. When interpreting statements in this specification and
claims which include the term “comprising”, other features besides the features prefaced
by this term in each statement can also be present.
The term “halo” or “halogen”, as employed herein as such or as part of another
group, refers to chlorine, bromine, fluorine or iodine. Fluorine is a preferred halogen.
The term “C alkyl”, as employed herein as such or as part of another group,
refers to a straight or branched chain saturated hydrocarbon group having 1, 2, 3, 4, 5, 6
or 7 carbon atom(s). Representative examples of C alkyl include, but are not limited
to, methyl, ethyl, n-propyl, iso-propyl, n-butyl, iso-butyl, sec-butyl, tert-butyl, n-pentyl,
iso-pentyl and n-hexyl. One preferred embodiment of “C alkyl” is C alkyl. The term
1-7 1-3
“C alkyl” refers to an preferred embodiment of “C alkyl” having 1, 2 or 3 carbon
1-3 1-7
atoms.
The term “C cycloalkyl”, as employed herein as such or as part of another
group, refers to a saturated cyclic hydrocarbon group containing 3, 4, 5, 6 or 7 carbon
atoms. Representative examples of cycloalkyl include, but are not limited to, cyclo-
propyl, cyclobutyl, cyclopentyl and cyclohexyl.
The term “C cycloalkyl C alkyl”, as employed herein refers to a C cyclo-
3-7 1-7 3-7
alkyl group, as defined herein, appended to the parent molecular moiety through a C
alkyl group, as defined herein.
The term “C alkenyl”, as employed herein as such or as part of another group,
refers to an aliphatic hydrocarbon group having 2 to 7 carbon atoms and containing one
or several double bonds. Representative examples include, but are not limited to,
ethenyl, propenyl and cyclohexenyl.
The term “hydroxy”, as employed herein as such or as part of another group,
refers to an –OH group. The term “cyano”, as employed herein as such or as part of
another group, refers to a –CN group. The term “amino”, as employed herein as such or
as part of another group, refers to a –NH group. The term “carboxy”, as employed
herein as such or as part of another group, refers to –COOH group. The term “carbonyl”,
as employed herein as such or as part of another group, refers to a carbon atom double-
bonded to an oxygen atom (C=O). The term “oxo”, as employed herein as such or as
part of another group, refers to oxygen atom linked to another atom by a double bond
(=O).
The term “C alkoxy”, as employed herein as such or as part of another group,
refers to C alkyl, as defined herein, appended to the parent molecular moiety through
an oxygen atom. Representative examples of C alkoxy include, but are not limited to
methoxy, ethoxy, propoxy, butoxy, isobutoxy, sec-butoxy and tert-butoxy.
The term “hydroxyl C alkyl”, as employed herein, refers to at least one
hydroxy group, as defined herein, appended to the parent molecular moiety through a
C alkyl group, as defined herein. Representative examples of hydroxyl C alkyl
1-7 1-7
include, but are not limited to, hydroxymethyl, 2,2-dihydroxyethyl, 1-hydroxyethyl, 3-
hydroxypropyl, 1-hydroxypropyl, 1-methylhydroxyethyl and 1-methylhydroxy-
propyl.
The term “halo C alkyl”, as employed herein, refers to at least one halogen, as
defined herein, appended to the parent molecular moiety through a C alkyl group, as
defined herein. Representative examples of halo C alkyl include, but are not limited
to, fluoromethyl, difluoromethyl, trifluoromethyl, 2-chloroethyl and 3-bromopropyl.
The term “cyano C alkyl”, as employed herein, refers to a cyano group, as
defined herein, appended to the parent molecular moiety through a C alkyl group, as
defined herein. Representative examples of cyano C alkyl include, but are not limited
to, cyanomethyl, 1-cyanoethyl, 1-cyanopropyl and 2-cyanopropyl.
The term “carboxy C alkyl”, as employed herein as such or as part of another
group, refers to a carboxy group, as defined herein, appended to the parent molecular
moiety through a C alkyl group, as defined herein.
The term “halogen C alkoxy”, as employed herein, refers to at least one
halogen, as defined herein, appended to the parent molecular moiety through a C
alkoxy group, as defined herein.
The term “phenyl C alkoxy”, as employed herein, refers to at least one phenyl
group appended to the parent molecular moiety through a C alkoxy group, as defined
herein.
The term “C alkylcarbonyl”, as employed herein as such or as part of another
group, refers to a C alkyl group, as defined herein, appended to the parent molecular
moiety through a carbonyl group, as defined herein.
The term “C alkoxycarbonyl”, as employed herein as such or as part of another
group, refers to a C alkoxy group, as defined herein, appended to the parent molecular
moiety through a carbonyl group, as defined herein.
The term “C alkoxycarbonyl C alkyl”, as employed herein as such or as part
1-7 1-7
of another group, refers to a C alkoxycarbonyl group, as defined herein, appended to
the parent molecular moiety through a C alkyl group, as defined herein.
The term “aminocarbonyl”, as employed herein as such or as part of another
group, refers to an amino group, as defined herein, appended to the parent molecular
moiety through a carbonyl group, as defined herein.
The term “amino C alkyl”, as employed herein, refers to at least one amino
group, as defined herein, appended to the parent molecular moiety through a C alkyl
group, as defined herein. Representative examples of amino C alkyl include, but are
not limited to, aminomethyl, 2-aminoethyl, 1-aminoethyl, 2,2-diaminoethyl, 3-
aminopropyl, 2-aminopropyl, 4-aminobutyl and 1-methylaminoethyl.
The term “C alkylamino”, as employed herein as such or as part of another
group, refers to at least one C alkyl group, as defined herein, appended to the parent
molecular moiety through an amino group, as defined herein. Representative examples
of C alkylamino include, but are not limited to methylamino, ethylamino,
propylamino, butylamino, dimethylamino, diethylamino and N-ethyl-N-methylamino.
The term “C alkylamino C alkyl”, as employed herein as such or as part of
1-7 1-7
another group, refers to at least one C alkylamino group, as defined herein, appended
to the parent molecular moiety through an C alkyl group, as defined herein.
The term “carboxy C alkylamino”, as employed herein as such or as part of
another group, refers to at least one carboxy group, as defined herein, appended to the
parent molecular moiety through an C alkylamino group, as defined herein
The term “C alkoxy C alkyl”, as employed herein, refers to at least one C
1-7 1-7 1-7
alkoxy group, as defined herein, appended to the parent molecular moiety through an
C alkyl group, as defined herein.
The term “C alkoxycarbonyl C alkyl”, as employed herein, refers to at least
1-7 1-7
one C alkoxycarbonyl group, as defined herein, appended to the parent molecular
moiety through an C alkyl group, as defined herein.
The term "substituted" as used herein in connection with various residues refers
to halogen substituents, such as fluorine, chlorine, bromine, iodine, or C alkyl, C
1-7 3-7
cycloalkyl, halo C alkyl, hydroxy, amino, C alkoxy, C acyl C alkylamino, amino
1-7 1-7 1-7 1-7
C alkyl, nitro, cyano, thiol or methylsulfonyl substituents. Preferred are halogen, C
1-7 1-7
alkyl, halo C alkyl, hydroxy, amino, C alkoxy and methylsulfonyl substituents. In
1-7 1-7
one group of preferred substituents are one or two C alkyl substituents, particularly
one or two C alkyl substituents, particularly selected from methyl and ethyl
substituents.
The "substituted" groups may contain 1 to 3, preferably 1 or 2, of the above
mentioned substituents.
The term “5 - 6 membered heterocyclic ring” as employed herein, refers to a
saturated, partially saturated or aromatic ring with 5 or 6 ring atoms, of which 1-4 atoms
are heteroatoms selected from a group consisting of N, O and S. Representative
examples of 5membered heterocyclic ring include, but are not limited to, pyrazolyl,
1,2,4-triazolyl, 1,2,3-triazolyl, pyrimidinyl, pyridinyl, tetrazolyl, piperazinyl,
furanyl, morpholinyl, piperidinyl, pyrrolidinyl, thiazolyl, isoxazolyl, pyrazinyl
tetrahydropyranyl, 1,2,4-oxadiazolyl, oxazolyl, imidazolyl, indolyl and 4,5-
dihydroimidazolyl rings.
The term “5 – 12 membered heterocyclic ring” as employed herein, refers to a
monocyclic or bicyclic saturated, partially saturated or aromatic ring with 5 to 12 ring
atoms, of which 1-5 atoms are heteroatoms selected from a group consisting of N, O and
S. Representative examples of 5 - 12 membered heterocyclic ring include the examples
given above and additionally, but not limited to, indazolyl, pyrazolo[1,5-a]pyrimidinyl,
benzo[d]imidazolyl, imidazo[4,5-b]pyridinyl, 4,5,6,7-tetrahydrobenzo[d]imidazolyl and
benzofuranyl rings.
The term “5 – 12 membered carbocyclic ring” as employed herein, refers to a
saturated, partially saturated or aromatic ring with 5 to 12 ring atoms consisting of
carbon atoms only. Representative examples of 5 - 12 membered carbocyclic ring
include, but are not limited to, phenyl, naphtyl and cyclohexyl rings.
The definition of formula (I) above is inclusive of all the possible stereoisomers
of the compounds, including geometric isomers, e.g. Z and E isomers (cis and trans
isomers), and optical isomers, e.g. diastereomers and enantiomers, and all prodrug
esters, e.g. phosphate esters and carbonate esters, and isotopes. Furthermore, the
invention includes in its scope both the individual isomers and any mixtures thereof, e.g.
racemic mixtures. The individual isomers may be obtained using the corresponding
isomeric forms of the starting material or they may be separated after the preparation of
the end compound according to conventional separation methods. For the separation of
optical isomers, e.g. enantiomers, from the mixture thereof the conventional resolution
methods, e.g. fractional crystallisation, may be used.
Compounds of the invention may be administered to a patient in therapeutically
effective amounts which range usually from about 0.1 to about 2000 mg per day
depending on the age, weight, ethnic group, condition of the patient, condition to be
treated, administration route and the active ingredient used. The compounds of the
invention can be formulated into dosage forms using the principles known in the art.
The compound can be given to a patient as such or in combination with suitable
pharmaceutical excipients in the form of tablets, granules, capsules, suppositories,
emulsions, suspensions or solutions. Choosing suitable ingredients for the composition
is a routine for those of ordinary skill in the art. Suitable carriers, solvents, gel forming
ingredients, dispersion forming ingredients, antioxidants, colours, sweeteners, wetting
compounds and other ingredients normally used in this field of technology may be also
used. The compositions containing the active compound can be given enterally or
parenterally, the oral route being the preferred way. The contents of the active
compound in the composition is from about 0.5 to 100 %, preferably from about 0.5 to
about 20 %, per weight of the total composition.
The compounds of the invention can be given to the subject as the sole active
ingredient or in combination with one of more other active ingredients for treatment of a
particular disease, for example cancer.
The present invention will be explained in more detail by the following
experiments and examples. The experiments and examples are meant only for
illustrating purposes and do not limit the scope of the invention defined in claims.
EXPERIMENTS
1. Inhibition of FGFR1 and other kinases
Methods
FGFR1 assay
Compounds were screened in the TR-FRET assay with FGFR1 kinase. 5 ng of
FGFR1 [Upstate, USA] kinase was used for assay. The compound was incubated with
the kinase for 30 minutes at RT. After the incubation, substrate mix [40 nM Ultra light
poly GT (Perkin Elmer, USA) and 13 µM ATP (Sigma)] was added. The above reaction
was stopped by the addition of 40mM EDTA after the 30 min kinase reaction. The Eu-
labelled antiphospho-tyrosine antibody [Perkin Elmer, USA] was added at 0.5 nM and
the fluorescence emission at 615 nm/665 nm [excitation at 340 nm] was measured. The
compounds were initially screened at 100 nM and 1 µM concentrations. The compounds
with >50 % inhibition at 100 nM of FGFR1 were taken for the full dose response
studies. The final DMSO concentration in the assay was 1 %. For IC determination,
1/3 serial dilution was made from the 20 mM DMSO stock solution. 2 µl of these were
transferred to the test wells containing 20 µl of the reaction mixture [total reaction
volume 20 µl]. The fluorescence was measured in Perkin Elmer Wallac 1420 Multilabel
Counter Victor 3. The IC was determined by fitting the dose response data to
sigmoidal curve fitting equation using GraphPad Prism software V5.
c-Met assay
Compounds were screened in the TR-FRET assay with c-Met kinase. 0.1 ng of c-
Met [expressed in-house] kinase was used for assay. The compound was incubated with
the kinase for 60 min at RT. After the incubation, substrate mix [40 nM Ultra light poly
GT (Perkin Elmer, USA) and 10 µM ATP (Sigma)] was added. The above reaction was
stopped by the addition of 40 mM EDTA after the 30 min kinase reaction. The Eu-
labelled antiphospho-tyrosine antibody [Perkin Elmer, USA] was added at 0.5 nM and
the fluorescence emission at 615 nm/665 nm [excitation at 340 nm] was measured. The
compounds were initially screened at 100nM and 1 µM concentrations. The compounds
with >50 % inhibition at 100 nM of c-Met were taken for the full dose response studies.
The final DMSO concentration in the assay was 1 %. For IC determination, 1/3
serial dilution was made from the 20 mM DMSO stock solution. 2 µl of these were
transferred to the test wells containing 20 µl reaction mixture [total reaction volume 20
µl]. The fluorescence was measured in Perkin Elmer Wallac 1420 Multilabel Counter
Victor 3. The IC50 was determined by fitting the dose response data to sigmoidal curve
fitting equation using GraphPad Prism software V5.
Results
Enzymatic activity and selectivity of selected compounds of the invention on
different kinases is presented in Table 1. The compounds of the invention were found to
be potent and selective FGFR kinase inhibitors.
TABLE 1. Inhibition of FGFR1 and c-Met kinase
Inhibition (%) of IC of FGFR1 Inhibition (%) of
Compound
FGFR1 at 1000 nM inhibition (nM) c-Met at 1000 nM
Example 5 95 12 7
Example 22 99 3.8 5
Example 25 93 34 12
Example 26 93 21 2
Example 30 94 16 1
Example 38 88 33 0
Example 47 99 7 10
Example 49 98 3.4 9
Example 69 87 22 -2
Example 70 99 10 0
Example 72 98 32 11
Example 82 96 16 15
Example 83 95 37 5
Example 112 97 1.8 0
Example 119 94 83 23
Example 123 94 61 0
Example 127 91 62 10
Example 131 99 1.3 15
Example 133 97 14 0
Example 134 92 98 0
Example 142 91 48 0
Example 152 79 7.3 0
Example 155 89 62 1
Example 158 95 22 12
Example 169 89 94 nd
Example 170 92 59 nd
Example 178 86 14.9 nd
Example 190 96 4.3 nd
Example 204 98 20 nd
Example 217 91 10,4 nd
Example 241 97 2,9 nd
Example 244 98 14 nd
Example 280 80 90 nd
Example 281 96 9 nd
Example 220 97 3,4 nd
Example 289 94 32 nd
Example 294 99 9,3 nd
Example 319 97 18 nd
Example 322 92 65,8 nd
Example 259 92 45 nd
nd = not determined
The preparation of the compounds of the invention is illustrated by the following
Examples.
EXAMPLES.
LCMS data has been recorded in +ve mode unless otherwise mentioned.
Intermediate Example 1.
N,N-dimethyl(4-(4,4,5,5-tetramethyl-1,3,2-dioxaborolanyl)-1H-pyrazol
yl)ethanamine
a) 2-(4-Bromo-1H-pyrazolyl)-N,N-dimethylethanamine
To a solution of 4-bromo-1H-pyrazole (5 g, 34 mmol) in DMF were added
K CO (11.75 g, 85.03 mmol, 2.5 eq.) and 2-chloro-N,N-dimethylethanamine HCl (7.35
g, 51 mmol, 1.5 eq) and the mixture was stirred at RT for 12 h. The mixture was
quenched with water and extracted with DCM (3 × 150 ml). The combined organic layer
was washed with water, brine and dried over sodium sulphate. The solvent was distilled
off to afford the crude residue which was purified by column chromatography (60-120
silica gel, 1 % methanol in DCM) to give the product in 86 % yield (6.4 g). H NMR
(300 MHz, DMSO-d ): δ 7.95 (s, 1H), 7.25 (s, 1H), 4.18 (t, 2H), 2.61 (t, 2H), 2.15 (s,
6H); LC-MS (ESI): Calculated mass: 218.09; Observed mass: 219.8[M+H] (RT: 0.439
min).
b) N,N-dimethyl(4-(4,4,5,5-tetramethyl-1,3,2-dioxaborolanyl)-1H-pyrazol-
1-yl)ethanamine
To a degassed (N bubbling) solution of the compound of Intermediate Example
1(a) (10 g, 45.85 mmol) in 1,4-dioxane (50 ml) were added 4,4,4',4',5,5,5',5'-octamethyl-
2,2'-bi(1,3,2-dioxaborolane) (17.47 g, 68.78 mmol, 1.5 eq.), Pd(dppf)Cl (1.87 g, 2.29
mmol, 0.05 eq.) and potassium acetate (11.23 g, 114.6 mmol, 2.5 eq.). The mixture was
C in a sealed tube for 12 h. The mixture was diluted with ethyl acetate
heated at 100
and filtered over a pad of celite. The solvent was distilled off to give the product (7.0 g).
LC-MS (ESI): Calculated mass: 265.16; Observed mass: 266.2 [M+H] (RT: 0.09 min).
Intermediate Example 2.
4-(2-(4-(4,4,5,5-Tetramethyl-1,3,2-dioxaborolanyl)-1H-pyrazolyl)ethyl)-
morpholine
The compound was synthesized using the procedure described in Example 1.
LC-MS (ESI): Calculated mass: 307.2; Observed mass: 308.1 [M+H] (RT: 0.11 min).
Intermediate Example 3.
1-Fluoroiodonitrobenzene
To a solution of 1-fluoronitrobenzene (5 g, 35.43 mmol) in triflic acid (15.6
ml, 177.15 mmol, 5 eq.) at 0 C was added N-iodosuccinimide (9.57 g, 42.5 mmol, 1.2
eq.) portionwise and the mixture was stirred at RT for 1 h. The mixture was quenched
by the addition of water and extracted with diethylether (3 × 150 ml). The combined
organic layer was washed with water, aqueous sodium thiosulfate, brine and dried over
sodium sulphate. The solvent was distilled off and the crude residue was purified by
column chromatography (60-120 silica gel, 5 % ethyl acetate in hexane) to afford the
compound in 66 % yield (6.2 g). H NMR (300 MHz, DMSO-d ): δ 8.42 (dd, 1H), 8.18-
8.13 (m, 1H), 7.46-7.39 (m, 1H).
Intermediate Example 4.
4-Fluoronitrobenzaldehyde
Nitration mixture (sulfuric acid 40 ml + nitric acid 5.5 ml) was added dropwise
to 4-fluorobenzaldehyde (10 g, 80.57 mmol) at 0 C and the mixture was stirred at 5 C
for 20 min and at RT for 1 h. The mixture was quenched by the addition of crushed ice.
The precipitate formed was filtered and was washed repeatedly with water to give white
solid. The solid was dried under vacuum to give the product in 77 % yield (10.5 g). H
NMR (300 MHz, CDCl ): δ 10.04 (s, 1H), 8.58 (dd, 1H), 8.22-8.18 (m, 1H), 7.5 (t, 1H).
Intermediate Example 5.
tert-Butyl 4-(4-(4,4,5,5-tetramethyl-1,3,2-dioxaborolanyl)-1H-pyrazolyl)-
piperidinecarboxylate
a) tert-Butyl 4-hydroxypiperidinecarboxylate
To a solution of piperidinol (3.5 g, 34.6 mmol) in CH Cl (50 ml) at 0 C
were added Boc O (11.3 g, 51.9 mmol, 1.5 eq) and Et N (7.2 ml, 51.9 mmol, 1.5 eq).
The mixture was stirred at RT for 1 h and quenched and extracted as in Intermediate
Example 1(a). The solvent was distilled off to give the crude product (7.0 g).
b) tert-Butyl 4-(methylsulfonyloxy)piperidinecarboxylate
The compound of the Intermediate Example 5(a) (7 g, 34.7 mmol) was
dissolved in CH Cl (70 ml) at 0 C Et N (10 ml, 69.4 mmol, 2 eq.) and methane-
2 2 3
sulfonyl chloride (2.7 ml, 34.7 mmol, 1 eq.) were added. The mixture was stirred at RT
for 3 h and quenched and extracted as in previous example. The solvent was distilled off
to afford the crude product (6.7 g).
c) tert-Butyl 4-(4-bromo-1H-pyrazolyl)piperidinecarboxylate
To a cooled solution of the compound of Intermediate Example 5(b) (6.7 g, 23.9
mmol) in DMF (50 ml) was added NaH (2.8 g, 119 mmol, 5 eq.) and 4-bromo-1H-pyra-
zole (2.8 g, 19.1 mmol, 0.8 eq.) and stirred at 80 C for 12 h. The mixture was quenched
and extracted with ethyl acetate (3 × 100 ml). The combined organic layer was washed
with water, brine and dried over sodium sulphate. The solvent was distilled off to afford
the crude product (8.0 g).
d) tert-Butyl 4-(4-(4,4,5,5-tetramethyl-1,3,2-dioxaborolanyl)-1H-pyrazol
yl)piperidinecarboxylate
To a (N bubbling) solution of the compound of Intermediate Example 5(c) (8 g,
24.2 mmol) in 1,4-dioxane (100 ml) were added 4,4,4',4',5,5,5',5'-octamethyl-2,2'-bi-
(1,3,2-dioxaborolane) (7.36 g, 29 mmol, 1.2 eq.), Pd(dppf)Cl (2 g, 2.42 mmol, 0.1 eq.)
and potassium acetate (8 g, 82.4 mmol, 3.4 eq.) using the procedure of Intermediate
Example 1(b). The solvent was distilled off and the residue was purified by column
chromatography (60-120 silica gel, 10 % ethyl acetate in hexane) to give the product in
59 % yield (5.4 g). LC-MS (ESI): Calculated mass: 377.29; Observed mass: 378.3
[(M+H] (RT: 1.83 min).
Intermediate Example 6.
4-Azidomethylbutanol
a) 4-Bromomethylbutanol
To a cooled solution of ethyl 3-bromopropanoate (0.5 g, 2.8 mmol) in diethyl
ether (50 ml) at 0 C was added methyl magnesium bromide (0.98 g, 8.3 mmol, 3 eq.)
dropwise over 5 min and the mixture was allowed to stir until TLC showed complete
absence of the starting material. The mixture was quenched and extracted as in Inter-
mediate Example 5(c). The solvent was distilled off to give the crude product (0.4 g).
b) 4-Azidomethylbutanol
To a mixture of 4-bromomethylbutanol (0.4 g, 2.4 mmol) and triethylamine
(1 ml, 7 mmol, 3 eq.) in CH Cl (15 ml) was added sodium azide (0.47 g, 7 mmol, 3 eq.)
in H O (5 ml) and the mixture was allowed to stir overnight. The mixture was quenched
with water and extracted with CH Cl (3 × 50 ml). The combined organic layer was
washed with water, brine and dried over sodium sulphate. The solvent was distilled off
to afford the product in 65 % yield (0.2 g). H NMR (300 MHz, DMSO-d ): δ 4.39 (br s,
1H), 3.40-3.32 (m, 2H), 1.15 (t, 2H), 1.23-1.04 (m, 6H).
Intermediate Example 7.
Azidocyclopentane
To a solution of iodocyclopentane (0.5 g, 2.55 mmol) in DMF (2 ml) was added
aqueous sodium azide (0.33 g, 5.1 mmol). The mixture stirred at RT for 10 min, and
then stirred at 80 C overnight. The mixture was extracted with diethyl ether (3 × 50 ml)
and the combined organic layer was washed with water, brine and dried over sodium
sulphate. The solvent was distilled off to afford the product in 64 % yield (0.18 g) which
was directly used for the next step. FTIR (neat): ν 3448, 2471, 2100, 1671, 1498, 1438,
1383, 1256, 1094, 865 cm .
Intermediate Example 8.
(Azidomethyl)cyclobutane
To a solution of (bromomethyl)cyclobutane (0.5 g, 3.35 mmol) in DMF (2 ml)
was added aqueous sodium azide (0.43 g, 6.7 mmol). The mixture was stirred at RT for
10 min, followed by stirring at 80 C overnight. The mixture was extracted as in the
previous example. The solvent was distilled off to give the product in 54 % yield (0.2
g). H NMR (300 MHz, DMSO-d ): δ 3.66-3.53 (m, 2H), 2.66-2.21 (m, 1H), 2.06-2.00
(m, 2H), 1.84-1.66 (m, 4H).
Intermediate Example 9.
1-(Cyclopropylmethyl)(4,4,5,5-tetramethyl-1,3,2-dioxaborolanyl)-1H-
pyrazole
a) 4-Bromo(cyclopropylmethyl)-1H-pyrazole
To a solution of 4-bromo-1H-pyrazole (0.1 g, 0.68 mmol) in DMF (20 ml) were
added K CO (0.19 g, 1.36 mmol, 2 eq.) and (bromomethyl)cyclopropane (92 mg, 0.68
mmol, 1 eq.). The mixture was stirred at RT for 4 h. The mixture was quenched and
extracted as in Intermediate Example 5(c). The solvent was distilled off to afford the
crude product (0.15 g).
b) 1-(Cyclopropylmethyl)(4,4,5,5-tetramethyl-1,3,2-dioxaborolanyl)-1H-
pyrazole
To a degassed (N bubbling) solution of the compound of Intermediate Example
9(a) (0.15 g, 0.75 mmol) in 1,4-dioxane (10 ml) were added 4,4,4',4',5,5,5',5'-octa-
methyl-2,2'-bi(1,3,2-dioxaborolane) (0.23 g, 0.9 mmol, 1.2 eq.), Pd(dppf)Cl (0.12 g,
0.15 mmol, 0.2 eq.) and potassium acetate (0.25 g, 2.55 mmol, 3.4 eq.). using the
procedure of Intermediate Example 1(b). The solvent was distilled off to afford the
crude residue which was purified by column chromatography (60-120 silica gel, 30 %
ethyl acetate in hexane) to give the product in 81 % yield (0.15 g). LC-MS (ESI):
Calculated mass: 248.13; Observed mass: 249.2 [(M+H] (rt: 1.58 min).
Intermediate Example 10.
2-Morpholinoacetic acid
a) Ethyl 2-morpholinoacetate
To a solution of ethyl 2-chloroacetate (0.5 g, 5.74 mmol) in DMF (70 ml) at 10
C were added K CO (1.98 g, 14.34 mmol, 2.5 eq.) and 1-methylpiperazine (1.05 g, 8.6
mmol, 1.5 eq.) and the mixture was stirred at RT for 2 h. The mixture was quenched and
extracted as in Intermediate Example 5(c). The solvent was distilled off and the crude
residue was purified by column chromatography (60-120 silica gel, 40 % ethyl acetate in
hexane) to afford the product in 74 % yield (0.74 g). LC-MS (ESI): Calculated mass:
173.2, Observed mass: 174.0 [M+H] (rt: 0.20 min).
b) 2-Morpholinoacetic acid
A solution of ethyl 2-morpholinoacetate (1.8 g, 11.44 mmol) in 8 N HCl (5 ml)
was heated at 90 C for 12 h. The mixture was concentrated to give the product in 64 %
yield (0.9 g). LC-MS (ESI): Calculated mass: 145.16; Observed mass: 146.3 [M+H]
(rt: 0.21 min).
Intermediate Example 11.
4-Azidomethylpiperidine
a) 1-Methylpiperidinyl methanesulfonate
1-Methylpiperidinol (4 g, 34.7 mmol) was dissolved in CH Cl (70 ml) at 0
C followed by the addition of Et N (10 ml, 69.4 mmol, 2 eq.) and methanesulfonyl
chloride (2.7 ml, 34.7 mmol, 1 eq.). The mixture was stirred at RT for 3 h and quenched
and extracted as in Intermediate Example 5(a). The solvent was distilled off to afford
the crude product (6.7 g).
b) 4-Azidomethylpiperidine
To a solution of the compound of Intermediate Example 11(a) (2.1 g, 10.9
mmol) in DMF (30 ml) was added sodium azide (1 g, 16.32 mmol, 1.5 eq.) The mixture
was stirred at 60 C for 12 h. The mixture was then quenched with water and extracted
with diethylether (3 × 100 ml). The combined organic layer was washed with water,
brine and dried over sodium sulphate. The solvent was distilled off to give the product
(1.3 g). H NMR (300 MHz, CDCl ): δ 3.49-3.37 (m, 1H), 2.71-2.67 (m, 2H) 2.24 (s,
3H) 2.18-2.09 (m, 2H) 1.93-1.85 (m, 2H) 1.72-1.60 (m, 2H); LC-MS (ESI); Calculated
mass: 140.1: Observed mass: 141.1 [M+H] (rt: 0.13 min).
Intermediate Example 12.
1-Isopropyl(4,4,5,5-tetramethyl-1,3,2-dioxaborolanyl)-1H-pyrazole
a) 4-Bromoisopropyl-1H-pyrazole
To a solution of 4-bromo-1H-pyrazole (5 g, 34 mmol) in DMF (70 ml) were
added K CO (11.83 g, 85.6 mmol, 2.5 eq.) and 2-bromopropane (6.3 g, 51.36 mmol,
1.5 eq.) and the mixture was stirred at RT for 12 h. The mixture was quenched and
extracted as in Intermediate Example 5(a). The solvent was distilled off and the crude
residue was purified by column chromatography (60-120 silica gel, 20 % ethyl acetate in
hexane) to afford the product in 89 % yield (5.8 g). H NMR (300 MHz, DMSO-d ): δ
8.01 (s, 1H), 7.50 (s, 1H), 4.49-4.43 (m, 1H), 1.38 (d, 6H).
b) 1-Isopropyl(4,4,5,5-tetramethyl-1,3,2-dioxaborolanyl)-1H-pyrazole
To a degassed (N bubbling) solution of the compound of Intermediate Example
12(a) 4-bromoisopropyl-1H-pyrazole (1.5 g, 7.9 mmol) in 1,4-dioxane (30 ml) were
added 4,4,4',4',5,5,5',5'-octamethyl-2,2'-bi(1,3,2-dioxaborolane) (3 g, 11.84 mmol, 1.5
eq.), Pd(dppf)Cl (0.64 g, 0.79 mmol, 0.1 eq.) and potassium acetate (1.93 g, 19.74
mmol, 2.5 eq.) using the procedure of Intermediate Example 1(b). The solvent was
distilled off to afford the product in 67 % yield (1.2 g). LC-MS (ESI): Calculated mass:
236.12; Observed mass: 237.1 [M+H] (rt: 1.41 min).
Intermediate Example 13.
1-Ethyl(4,4,5,5-tetramethyl-1,3,2-dioxaborolanyl)-1H-pyrazole
a) 4-Bromoethyl-1H-pyrazole
To a solution of 4-bromo-1H-pyrazole (5 g, 34 mmol) in DMF were added
K CO (11.75 g, 85.03 mmol, 2.5 eq.) and iodoethane (8 g, 51 mmol, 1.5 eq.) and the
mixture was stirred at RT for 12 h. The mixture was quenched and extracted as in
Intermediate Example 5(c). The solvent was distilled off and the crude residue was
purified by column chromatography (60-120 silica gel, 40 % ethyl acetate in hexane) to
yield the product in 84 % yield (5 g). H NMR (300 MHz, DMSO-d ): δ 8.02 (s, 1H),
7.55 (s, 1H), 4.15 (q, 2H), 1.37 (t, 3H); LC-MS (ESI): Calculated mass: 175.03;
Observed mass: 177.0 [M+H] (rt: 0.56 min).
b) 1-Ethyl(4,4,5,5-tetramethyl-1,3,2-dioxaborolanyl)-1H-pyrazole
To a degassed (N bubbling) solution of 4-bromoethyl-1H-pyrazole (2 g,
11.42 mmol) in 1,4-dioxane (30 ml) were added 4,4,4',4',5,5,5',5'-octamethyl-2,2'-bi-
(1,3,2-dioxaborolane) (4.35 g, 17.14 mmol, 1.5 eq.), Pd(dppf)Cl (0.93 g, 1.14 mmol,
0.1 eq.) and potassium acetate (2.79 g, 28.55 mmol, 2.5 eq.) using the procedure of
Intermediate Example 1(b). The solvent was distilled off to give the product in 88 %
yield (2.2 g). LC-MS (ESI): Calculated mass: 222.09; Observed mass: 223.3 [M+H]
(rt: 0.83 min).
Intermediate Example 14.
2-Chloroiodonitropyridine
a) 5-Iodonitropyridinamine
To a solution of 3-nitropyridinamine (1.2 g, 8.63 mmol) in acetic acid (5 ml),
water (1 ml) and sulfuric acid (0.2 ml) was added periodic acid (0.4 g, 1.72 mmol, 0.2
eq.) and the mixture was stirred at 90 C for 15 min. Iodine (0.87 g, 3.45 mmol, 0.4 eq.)
was added portionwise and the mixture was heated at 90 C for 1 h. The mixture was
quenched by the addition of water and extracted with ethylacetate (3 × 150 ml). The
combined organic layer was washed with water, aqueous sodium thiosulfate, brine and
dried over sodium sulphate. The solvent was distilled off to give the product in 57 %
yield (1.3 g). H NMR (300 MHz, DMSO-d ): δ 8.58 (d, 1H), 8.54 (d, 1H) 8.04 (br s,
2H); LC-MS (ESI); Calculated mass: 265.01: Observed mass: 265.9 [M+H] (rt: 1.36
min).
b) 2-Chloroiodonitropyridine
To a solution of 5-iodonitropyridinamine (1.3 g, 4.9 mmol) in concentrated
HCl at 0 C was added sodium nitrite (6.73 g, 97.13 mmol, 20 eq.) stepwise followed by
the addition of copper(I) chloride (0.5 g, 4.9 mmol, 1 eq.) and the mixture was stirred at
RT for 12 h. The mixture was then poured in to a mixture of ammonium hydroxide and
water (1:1) and extracted with ethylacetate (3 × 150 ml). The combined organic layer
was washed with water, aqueous sodium thiosulfate, brine and dried over sodium
sulphate. The solvent was distilled off to afford the product in 43 % yield (0.6 g).
Intermediate Example 15.
2-(4-Ethylpiperazinyl) acetic acid
a) Ethyl 2-(4-methylpiperazinyl)acetate
To a solution of 1-methylpiperazine (1 g, 8.771 mmol, 1.0 eq) in DMF were
added K CO (265 m g, 21.927 mmol, 2.5 eq) and ethyl 2-bromoacetate (167 mg, 13.15
mmol, 1.5 eq). The mixture was stirred at RT for 16 h and quenched and extracted as in
Intermediate Example 5(a). The solvent was distilled off to afford the product in 76.4 %
yield. (1.3 g).
b) 2-(4-Ethylpiperazinyl) acetic acid
The solution of methyl 2-(4-ethylpiperazinyl)acetate (1.3 g, 6.50 mmol, 1.0
eq) in 8 N HCl was stirred at 95 °C for 16 h and concentrated on vacuum pump. The
mixture was quenched with sodium bicarbonate solution and extracted with ethyl
acetate (3 × 150 ml). The combined organic layer was washed with water, brine and
dried over sodium sulphate. The solvent was distilled off to give the product in 54.5 %
yield (0.6 g). LC-MS (ESI): Calculated mass: 158.0; Observed mass: 159.1 [M+H] (rt:
0.102 min).
Intermediate Example 16.
N-cyclopropyloxooxazolidinesulfonamide
To a solution of bromoethanol (1 g, 8.06 mmol) in DCM was added chloro
sulfonyl isocyanate (1.13 g, 8.06 mmol) in DCM and this solution added over 2 min,
dropwise, to cyclopropyl amine (0.552 g, 0.009 mmol) and triethylamine (1 ml, 0.007
mmol) in DCM and stirred at RT for 1 h. The mixture was quenched with 0.2 M HCl
solution and extracted with DCM (3 ×150 ml). The combined organic layer was washed
with water, brine and dried over sodium sulphate. The solvent was distilled off to afford
the product in 48 % yield (0.8 g) . H NMR (400 MHz, DMSO-d ): δ 8.15-8.14 (d, 1H),
4.42 (t, 2H), 3.70 (t, 2H), 2.35 (m, 1H), 0.58-0.53 (m, 4H).
Intermediate Example 17.
N-(1H-pyrazolyl)acetamide
Acetic anhydride (0.7 ml, 8.433 mmol.) was added dropwise at 0 C to 1H-
pyrazolamine (0.7 g, 8.433 mmol). The mixture was stirred for 30 min at RT and
quenched by the addition of crushed ice. The mixture was extracted with ethyl acetate
The combined organic layer was washed with water, brine and dried over sodium
sulphate. The solvent was distilled off to afford the product in 54 % yield. (0.6 g). LC-
MS (ESI): Calculated mass: 125.0; Observed mass126.0 [M+H] (rt: 0.115 min).
Intermediate Example 18.
2-(1H-1, 2, 4-triazolyl) acetic acid
a) Ethyl 2-(1H-1, 2, 4-triazolyl) acetate
To a solution of 1H-1, 2,4-triazol (2 g, 29.9 mmol, 1.0 eq) in DMF were added
K CO (12.3 g, 88.9 mmol, 3eq.) and ethyl 2-bromoacetate (4.8 g, 29.9 mmol, 1 eq).
The mixture was stirred at RT for 16 h. The mixture was quenched and extracted as in
Intermediate Example 5(a). The solvent was distilled off to give the product in 65 %
yield (3 g). LC-MS (ESI): Calculated mass: 155.0; Observed mass: 156.1 [M+H] (rt:
0.113 min).
b) 2-(1H-1, 2, 4-triazolyl) acetic acid
The solution of the compound of Intermediate Example 18(a) (3 g, 19.35 mmol,
1.0 eq) in 8 N HCl was stirred at 95°C for 16 h and concentrated on vacuum pump. The
mixture was quenched and extracted as in Intermediate Example 15(b). The solvent was
distilled off to afford desired product in 62 % yield (1.5 g). LC-MS (ESI): Calculated
mass: 127.0; Observed mass: 128.0 [M+H] (rt: 0.24 min).
Intermediate Example 19.
a) Ethyl 2-(pyrrolidinyl) acetate
To a solution of pyrrolidine (1.2 g, 16.3 mmol, 1.0 eq) in DMF were added
K CO (5.63 g, 40.7 mmol, 2.5 eq.) and ethyl 2-bromoacetate (1.73 g, 24.4 mmol, 1.5
eq.). The mixture was stirred at RT for 16 h and quenched and extracted as in
Intermediate Example 5(a). The solvent was distilled off to afford the product in 80 %
yield (2 g). LC-MS (ESI): Calculated mass: 157.2; Observed mass158.1 [M+H] (rt: 0.2
min).
b) 2-(Pyrrolidinyl) acetic acid
The solution of ethyl 2-(pyrrolidinyl)acetate (2 g, 12.7 mmol, 1.0 eq) in 8 N
HCl was stirred at 95 °C for 16 h. The mixture was concentrated and quenched and
extracted as in Intermediate Example 15(b). The solvent was distilled off to afford the
product in 91 % yield (1.5 g). LC-MS (ESI): Calculated mass: 129.1; Observed
mass130.1 [M+H] (rt: 0.26 min).
Intermediate Example 20.
2-Morpholinoacetic acid
a) Ethyl 2-morpholinoacetate
To a solution of morpholine (1.4 g, 16.3 mmol, 1.0 eq) in DMF were added
K CO (5.63 g, 40.7 mmol, 2.5 eq.) and ethyl 2-bromoacetate (4.07 g, 24.4 mmol, 1.5
eq.). The mixture was stirred at RT for 16 h and quenched and extracted as in
Intermediate Example 5(a). The solvent was distilled off to afford the product in 71.4 %
yield (2 g). LC-MS (ESI): Calculated mass: 173.2; Observed mass: 174.0 [M+H] (rt:
0.20 min).
b) 2-Morpholinoacetic acid
The solution of ethyl 2-morpholinoacetate (1 g, 57.8 mmol, 1.0 eq) in 8 N HCl
was stirred at 95 °C for 16 h. The mixture was concentrated and quenched and extracted
as in Intermediate Example 15(b). The solvent was distilled off to afford the product in
96.3 % yield (0.8 g). LC-MS (ESI): Calculated mass: 145.16; Observed mass: 146.3
[M+H] (rt: 0.21 min).
Intermediate Example 21.
2-(Piperidinyl) acetic acid
a) Ethyl 2-(piperidinyl) acetate
To a solution of piperidine (3.4 g, 40.7 mmol, 1.0 eq) in DMF were added
K CO (14 g, 101.0 mmol, 2.5 eq.) and ethyl 2-chloroacetate (4.83 ml, 48.9 mmol, 1.2
eq). The mixture was stirred at RT for 16 h. The mixture was quenched and extracted as
in Intermediate Example 5(a). The solvent was distilled off to give the product in 72 %
yield (5 g). LC-MS (ESI): Calculated mass: 171.1; Observed mass 172.3 [M+H] (rt:
0.1 min).
b) 2-(Piperidinyl) acetic acid
The solution of ethyl 2-(piperidinyl)acetate (1 g, 5.84 mmol, 1.0 eq) in 8 N
HCl was stirred at 95 °C for 16 h. The mixture was concentrated and quenched and
extracted as in Intermediate Example 15(b). The solvent was distilled off to afford the
product in 95 % yield (0.8 g). LC-MS (ESI): Calculated mass: 143.1; Observed
mass144.4 [M+H] (rt: 0.21 min).
Intermediate Example 22.
2-(3, 5-Dimethylpiperazinyl) acetic acid
a) Ethyl 2-(3, 5-dimethylpiperazinyl) acetate
To a solution of 2, 6-dimethylpiperazine (500 mg, 4.378 mmol, 1.0 eq) in THF
were added K CO (1.2 g, 8.75 mmol, 2.2 eq.) and ethyl 2-bromoacetate (731 mg, 4.378
mmol, 1 eq). The mixture was stirred at RT for 4 h and then quenched and extracted as
in Intermediate Example 5(a). The solvent was distilled off to afford the product in 34
% yield (0.3 g). LC-MS (ESI): Calculated mass: 200.0; Observed mass: 201.0 [M+H]
(rt: 0.102 min).
b) 2-(3, 5-Dimethylpiperazinyl) acetic acid
The solution of the compound of Intermediate Example 22(a) (300 mg, 1.5
mmol, 1.0 eq) in 8 N HCl was stirred at 95 °C for 16 h. The mixture was concentrated
and quenched and extracted as in Intermediate Example 15(b). The solvent was distilled
off to afford the product in 96 % yield (250 mg). LC-MS (ESI): Calculated mass: 172.0;
Observed mass: 173.1 [M+H] (rt: 0.094 min).
Intermediate Example 23.
2-(4-(tert-Butoxycarbonyl) piperazinyl) acetic acid
a) tert-Butyl 4-(2-ethoxyoxoethyl) piperazinecarboxylate
To a solution of tert-butyl piperazinecarboxylate (2.9 g, 10.7 mmol, 1.0 eq) in
THF were added potassium carbonate (2.96 g, 21.0 mmol, 2 eq) and ethyl 2-bromo-
acetate (1.58 g, 10.7 mmol, 1 eq). The mixture was stirred at RT for 16 h. The mixture
was quenched and extracted as in Intermediate Example 5(a). The solvent was distilled
off to afford the product in 51 % yield (1.5 g).
b) 2-(4-(tert-Butoxycarbonyl) piperazinyl) acetic acid
To a solution of the compound of Intermediate Example 23(a) (1.5 g, 5.51
mmol) in methanol (10 ml) was added aqueous solution of NaOH (0.8 g, 22.0 mmol, 4
eq). The mixture was stirred at RT for 2 h. The mixture was concentrated and extracted
as in Intermediate Example 5(c). The solvent was distilled off to give the product in 76
% yield (1 g). LC-MS (ESI): Calculated mass: 244.29; Observed mass: 145.1 [M-
Boc+H] (rt: 0.102 min).
Intermediate Example 24.
a) Ethyl 2-(4-ethylpiperazinyl)acetate
To a solution of 1-ethylpiperazine (1 g, 8.771 mmol, 1.0 eq) in DMF were added
K CO (3 g, 21.927 mmol, 2.5 eq.) and ethyl 2-bromoacetate (2.19 g, 13.156 mmol, 1.5
eq.). The mixture was stirred at RT for 16 h. The mixture was quenched and extracted as
in Intermediate Example 5(a). The solvent was distilled off to afford the product in 76.4
% yield (1.3g).
b) 2-(4-Ethylpiperazinyl)acetic acid
The solution of ethyl 2-(4-ethylpiperazinyl)acetate (1.3 g, 6.50 mmol, 1.0 eq)
in 8 N HCl stirred at 95 °C for 16 h. The mixture was concentrated on vacuum pump,
and quenched and extracted as in Intermediate Example 15(b). The solvent was distilled
off to afford the product in 54.5 % yield (0.6 g).
Intermediate Example 25.
1-Isopropyl(4, 4, 5, 5-tetramethyl-1, 3, 2-dioxaborolanyl)-1H-pyrazole
a) 4-Bromoisopropyl-1H-pyrazole
To a solution of 4-bromo-1H-pyrazole (5 g, 34.24 mmol, 1.0 eq) in DMF were
added K CO (11.83 g, 85.60 mmol, 2.5 eq.) and 2-bromopropane (6.31 g, 51.36 mmol,
1.5 eq.) The mixture was stirred at RT for 12 h. The mixture was quenched and
extracted as in Intermediate Example 5(a). The solvent was distilled off to afford the
product in 76.9 % yield (5.0 g).
b) 1-Isopropyl(4, 4, 5, 5-tetramethyl-1, 3, 2-dioxaborolanyl)-1H-pyrazole
To a (N bubbling) solution of 4-bromoisopropyl-1H-pyrazole (1.5 g, 7.894
mmol) in 1,4 dioxane (15 ml) were added 4,4,4',4',5,5,5',5'-octamethyl-2,2'-bi(1,3,2-di-
oxaborolane) (3.0 g, 11.84 mmol, 1.5 eq.), Pd(dppf)Cl (0.644 g, 0.784 mmol, 0.1 eq.)
and potassium acetate (1.93 g, 19.73 mmol, 2.5 eq.) using the procedure of Intermediate
Example 1(b). The solvent was distilled off and the residue was purified by column
chromatography (60-120 silica gel, 15 % ethyl acetate in hexane) to yield the product in
66.6 % yield (1.2 g). LC-MS (ESI): Calculated mass: 236.17; Observed mass: 237.1
[M+H] (rt: 1.4 min).
Intermediate Example 26.
2-(Piperidinyl) acetic acid
a) Ethyl 2-(piperidinyl) acetate
To a solution of piperidine (1.5 g, 17.61 mmol, 1.0 eq) in DMF were added
K CO (6.08 g, 44.02 mmol, 2.5 eq.) and ethyl 2-chloroacetate (3.23 g, 26.42 mmol, 1.5
eq.). The mixture was stirred at RT for 12 h and quenched and extracted as in
Intermediate Example 5(a). The solvent was distilled off to afford the product in 80 %
yield (2.4 g). LC-MS (ESI): Calculated mass: 171.1; Observed mass172.3 [M+H] (rt:
0.1-0.2 min).
b) 2-(Piperidinyl) acetic acid
The solution of ethyl 2-(piperidinyl) acetate (2.4 g, 14.0 mmol, 1.0 eq) in 8 N
HCl was stirred at 95 °C for 16 h. The mixture was concentrated on vacuum pump and
quenched and extracted as in Intermediate Example 15(b). The solvent was distilled off
to afford the product in 60 % yield (1.2 g). LC-MS (ESI): Calculated mass: 143.1;
Observed mass144.4 [M+H] (rt: 0.21 min).
Intermediate Example 27.
2-Morpholinoacetic acid
a) Ethyl 2-morpholinoacetate
To a solution of morpholine (0.5 g, 5.739 mmol, 1.0 eq) in DMF were added
K CO (1.98 g, 14.34 mmol, 2.5 eq.) and ethyl 2-chloroacetate (1.05 g, 8.60 mmol, 1.5
eq.). The mixture was stirred at RT for 12 h. The mixture was quenched and extracted as
in Intermediate Example 5(a). The solvent was distilled off to afford the product in 73.9
% yield (0.735g). LC-MS (ESI): Calculated mass: 173.21; Observed mass174.0 [M+H]
(rt: 0.1-0.4 min).
b) 2-Morpholinoacetic acid
The solution of ethyl 2-morpholinoacetate (0.73 g, 4.24 mmol, 1.0 eq) in 8 N
HCl was stirred at 95 °C for 16 h. The mixture was concentrated on vacuum pump and
quenched and extracted as in Intermediate Example 15(b). The solvent was distilled off
to afford the product in 60 % yield (0.37 g). LC-MS (ESI): Calculated mass: 145.1;
Observed mass146.3 [M+H] (rt: 0.28 min).
Intermediate Example 28.
2-(Pyrrolidinyl) acetic acid
a) Ethyl 2-(pyrrolidinyl) acetate
To a solution of pyrrolidine (0.9 g, 12.65 mmol, 1.0 eq) in DMF were added
K CO (4.37 g, 31.62 mmol, 2.5 eq.) and ethyl 2-chloroacetate (2.32 g, 18.98 mmol, 1.5
eq.). The mixture was stirred at RT for 12 h. The mixture was quenched and extracted as
in Intermediate Example 5(a). The solvent was distilled off to afford the product in 94.7
% yield (1.8 g). LC-MS (ESI): Calculated mass: 157.2; Observed mass158.1 [M+H]
(rt: 0.2-0.3 min).
b) 2-(Pyrrolidinyl) acetic acid
The solution of ethyl 2-(pyrrolidinyl) acetate (1.8 g, 11.95 mmol, 1.0 eq) in 8
N HCl was stirred at 95 °C for 16 h. The mixture was concentrated on vacuum pump
and quenched and extracted as in Intermediate Example 15(b). The solvent was distilled
off to afford the product in 54 % yield (1.4 g). LC-MS (ESI): Calculated mass: 129.1;
Observed mass130.1 [M+H] (rt: 0.26 min).
Intermediate Example 29.
2-Methyl(4-(4, 4, 5, 5-tetramethyl-1, 3, 2-dioxaborolanyl)-1H-pyrazolyl)
butanol
a) 4-Bromomethylbutanol
To a solution of methyl 3-bromopropanoate (5.0 g, 29.94 mmol, and 1.0 eq) in
dry THF was added methyl magnesium bromide at 0°C. The mixture was stirred at RT
for 16 h and quenched and extracted as in Intermediate Example 5(c). The solvent was
distilled off to afford the crude residue which was purified by column chromatography
(60-120 silica gel, 50 % ethyl acetate in hexane). Yield 48.9 % (2.4 g). LC-MS (ESI):
Calculated mass: 167.0; Observed mass167.1[M+H] (rt: 0.8-1.0 min).
b) 4-(4-Bromo-1H-pyrazolyl)methylbutanol
To a solution of 4-bromo-1H-pyrazole (1 g, 6.84 mmol, 1.0 eq) in DMF were
added K CO (2.3 g, 17.1 mmol, 2.5 eq.) and 4-bromomethylbutanol (1.7 g, 10.27
mmol, 1.5 eq.). The mixture was stirred at RT for 16 h. The mixture was quenched and
extracted as in Intermediate Example 5(a). The solvent was distilled off to afford the
product in 60 % yield (0.9 g). LC-MS (ESI): Calculated mass 233.0; Observed mass
235.0.[M+H] (rt: 0.64 min).
c) 2-Methyl(4-(4, 4, 5, 5-tetramethyl-1, 3, 2-dioxaborolanyl)-1H-pyrazol
yl) butanol
To a degassed (N bubbling) solution of the compound of Intermediate Example
29(b) (0.5 g, 2.16 mmol) in 1,4-dioxane (5 ml) were added 4,4,4',4',5,5,5',5'-octamethyl-
2,2'-bi(1,3,2-dioxaborolane) (0.824 g, 3.24 mmol, 1.5 eq.), Pd(dppf)Cl (0.1766 g, 0.216
mmol, 0.1 eq.) and potassium acetate (0.529 g, 5.40 mmol, 2.5 eq.) using the procedure
of Intermediate Example 1(b). The solvent was distilled off which was purified by
column chromatography (60-120 silica gel, 15 % ethyl acetate in hexane) to yield the
product in 49.6 % yield (0.3 g). LC-MS (ESI): Calculated mass: 280.1; Observed mass:
281.2 [M+H] (rt: 0.8 min).
Intermediate Example 30.
tert-Butyl 3-(4-(4, 4, 5, 5-tetramethyl-1, 3, 2-dioxaborolanyl)-1H-pyrazolyl)
pyrrolidinecarboxylate
a) tert-Butyl 3-(methylsulfonyl) pyrrolidinecarboxylate
To a solution of tert-butyl 3-hydroxypyrrolidinecarboxylate (1.0 g, 5.34 mmol,
1.0 eq) in DCM (10 ml) were added TEA (1.08 g ,10.68 mmol, 2.0 eq) and DMAP (65
mg, 0.53 mmol). The mixture was stirred at RT for 15 min. Then methanesulfonyl
chloride (0.730g 6.41 mmol 1.2eq) was added and the mixture was stirred for overnight.
The mixture was quenched and extracted as in Intermediate Example 5(a). The solvent
was distilled off to afford the product in 71.4 % yield (1.0 g).
b) tert-Butyl 3-(4-bromo-1H-pyrazolyl) pyrrolidinecarboxylate
To a solution of 4-bromo-1H-pyrazole (0.65 g, 4.42 mmol) in DMF were added
sodiumhydride at 0 °C (0.159 g, 6.6 mmol, 1.5 eq.) and the compound of Intermediate
Example 30(a) (1.1 g, 4.42 mmol, 1.0 eq.). The mixture was stirred at RT for 16 h and
quenched and extracted as in Intermediate Example 5(a). The solvent was distilled off to
afford the crude residue which was purified by column chromatography (60-120 silica
gel, 1 % methanol in DCM) to yield the product in 61.5 % yield (0.85 g).
c) tert-Butyl 3-(4-(4, 4, 5, 5-tetramethyl-1, 3, 2-dioxaborolanyl)-1H-pyrazol
yl) pyrrolidinecarboxylate
To a degassed (N bubbling) solution of the compound of Intermediate Example
(b) (0.850 g, 2.68 mmol) in 1,4-dioxane (10 ml) were added 4,4,4',4',5,5,5',5'-octa-
methyl-2,2'-bi(1,3,2-dioxaborolane) (0.819 g, 3.22 mmol, 1.2 eq.), Pd(dppf)Cl (0.218 g,
0.268 mmol, 0.1 eq.) and potassium acetate (0.788 g, 8.04 mmol, 3.0 eq.) using the
procedure of Intermediate Example 1(b). The solvent was distilled off to give the
product in 84.5 % yield (0.82 g). LC-MS (ESI): Calculated mass: 363.2; Observed mass:
364.2 [M+H] (rt: 1.73 min).
Intermediate Example 31.
4-(4-Fluoronitrophenyl)methyl-1H-pyrazol
A solution of 4-bromofluoronitrobenzene (2 g, 9.095 mmol) in 1,4-dioxane
(20 ml) was degassed by N bubbling for 5 min. 1-Methyl(4,4,5,5-tetramethyl-1,3,2-
dioxaborolanyl)-1H-pyrazole (2.27 g, 10.91 mmol, 1.2 eq.) and aqueous sodium
carbonate (2.89 g, 27.27 mmol, 3.0 eq.) were added and the mixture was degassed for
another 15 min. Pd(PPh ) Cl (0.638 g, 0.909 mmol, 0.1 eq.) was added sequentially
3 2 2
and the mixture was further degassed for 15 min and then heated at 90 C for 2 h. The
mixture was quenched and extracted as in Intermediate Example 5(c). The solvent was
distilled off to afford the crude residue which was purified by column chromatography
(60-120 silica gel, 40-50 % ethyl acetate in hexane) to yield the product in 79 % yield
(1.6 g). H NMR (300 MHz, DMSO-d ): δ 8.32-8.26 (m, 2H), 8.0-7.97 (m, 2H), 7.62-
7.55 (m, 1H).
Intermediate Example 32.
1-Cyclopentyl(4,4,5,5-tetramethyl-1,3,2-dioxaborolanyl)-1H-pyrazole
a) 1-Cyclopentyliodo-1H-pyrazole
To a solution of 4-iodo-1H-pyrazole (5 g, 25.78 mmol, 1.0 eq.) in DMF (25 ml)
were added K CO (8.908 g, 64.45 mmol, 2.5 eq.) and bromocyclopentane (4.96 g,
33.51 mmol, 1.3 eq.). The mixture was stirred at RT for 12 h. The mixture was
quenched and extracted as in Intermediate Example 5(a). The solvent was distilled off to
give the product in 89.5 % yield. H NMR (300 MHz, CDCl ): δ 7.49 (s, 1H), 7.45 (s,
1H), 4.66-4.62 (m, 1H), 2.17-2.02 (m, 1H), 2.00-1.96 (m, 2H), 1.93-1.78 (m, 2H), 1.73-
1.67 (m, 2H). LC-MS (ESI): Calculated mass: 262; Observed mass: 263 [M+H] (rt:
1.57 min).
b) 1-Cyclopentyl(4,4,5,5-tetramethyl-1,3,2-dioxaborolanyl)-1H-pyrazole
To a degassed (N bubbling) solution of 1-cyclopentyliodo-1H-pyrazole (6.0
g, 22.90 mmol) in DMSO (60 ml) were added 4,4,4',4',5,5,5',5'-octamethyl-2,2'-bi(1,3,2-
dioxaborolane) (8.312 g, 34.35 mmol, 1.5 eq.), Pd(dppf)Cl (0.529 g, 0.45 mmol, 0.02
eq.) and potassium acetate (4.494 g, 45.80 mmol, 2.0 eq.) using the procedure of
Intermediate Example 1(b). The solvent was distilled off which was purified by column
chromatography (60-120 silica gel, 15 % ethyl acetate in hexane) to yield the product in
48 % yield (2.89 g). H NMR (300 MHz, CDCl ): δ 7.77 (s, 1H), 7.72 (s, 1H), 4.65 (m,
1H), 2.17-2.02 (m, 1H), 2.00-1.96 (m, 2H), 1.93-1.78 (m, 2H), 1.73-1.67 (m, 2H), 1.30-
1.24 (m, 12H). LC-MS (ESI): Calculated mass: 262; Observed mass: 262.92 [M+H]
(rt: 1.54 min).
Intermediate Example 33.
tert-Butyl (5-(4,4,5,5-tetramethyl-1,3,2-dioxaborolanyl)pyridinyl)-
carbamate
To a solution of 5-(4,4,5,5-tetramethyl-1,3,2-dioxaborolanyl)pyridinamine
(0.33 g, 1.5 mmol) in CH Cl (5 ml) at 0 C were added Boc O (0.33 g, 1.5 mmol, 1 eq.)
2 2 2
and Et N (0.62 ml, 4.5 mmol, 3 eq.). The mixture was stirred at RT for 1 h and then
quenched and extracted as in Intermediate Example 5(a). The solvent was distilled off to
afford the crude product (0.48 g).
Example 1.
N-(2',4'-difluoro(5-(1-methyl-1H-pyrazolyl)-1H-benzo[d]imidazolyl)-
biphenylyl)acetamide
a) 1-Bromo-3,5-dinitrobenzene
To a solution of 1,3-dinitrobenzene (25 g, 0.149 mol) in concentrated sulfuric
acid (100 ml) at 0 C was added 1,3-dibromo-5,5-dimethylhydantoin (31.75 g, 0.111
mol, 0.75 eq) portionwise over a period of 30 min. The mixture was stirred for 12 at RT
and quenched by the addition of crushed ice. The precipitate formed was filtered and
was washed repeatedly with water to obtain white solid. The solid was dried under
vacuum to give the product in 87 % yield (32 g).
b) 3-Bromonitroaniline
To a solution of 1-bromo-3,5-dinitrobenzene (20 g, 80.97 mmol) in acetic acid
(120 ml) at 90 C was added iron powder (11.3 g, 202.4 mmol, 2.5 eq) slowly portion-
wise over a period of 30 min (caution: highly exothermic reaction). After completion of
the addition, the mixture was quenched by the addition of crushed ice. The precipitate
formed was filtered and was washed with cold water to obtain orange solid. The solid
was dried under vacuum to give the product in 80 % yield (14 g). H NMR (300 MHz,
CDCl ): δ 10.55 (br s, 2H), 8.46 (s, 1H), 8.19 (s, 1H), 8.02 (s, 1H).
c) N-(3-Bromonitrophenyl)acetamide
Acetic anhydride (14 ml) was added dropwise at 0 C to 3-bromonitroaniline
(14 g, 64.5 mmol). The mixture was stirred for 30 min at RT and then quenched by the
addition of crushed ice. The precipitate formed was filtered and washed with cold water
to obtain off-white solid. The solid was dried under vacuum to give the product in 78 %
yield (13 g). H NMR (300 MHz, DMSO-d ): δ 10.54 (br s, 1H), 8.45 (s, 1H), 8.2 (s,
1H), 8.03 (s, 1H), 2.11 (s, 3H).
d) N-(2',4'-difluoronitrobiphenylyl)acetamide
A solution of N-(3-bromonitrophenyl)acetamide (1 g, 3.86 mmol) in 1,2-di-
methoxyethane (15 ml) was degassed by N bubbling for 5 min. 2,4-Difluorophenyl-
boronic acid (0.727 g, 4.63 mmol, 1.2 eq.) was added and the mixture was degassed for
another 5 min. Pd(dppf)Cl (0.627g, 0.769 mmol, 0.2 eq.) and aqueous sodium
carbonate (1.22 g, 11.5 mmol, 3.0 eq.) were added sequentially and the mixture was
further degassed for 5 min and then heated at 90 C for 2 h. The mixture was quenched
with water and extracted with ethyl acetate (3 × 50 ml). The combined organic layer was
washed with water, brine and dried over sodium sulphate. The solvent was distilled off
under reduced pressure and the crude residue was purified by column chromatography
(60-120 silica gel, 30 % ethyl acetate in hexane) to give the product in 80 % yield (0.9
g). H NMR (300 MHz, DMSO-d ): δ 10.63 (s, 1H), 8.7-8.69 (m, 1H), 8.16 (d, 1H),
8.04 (s, 1H), 7.8-7.67 (m, 1H), 7.53 (m, 1H), 7.34 (m, 1H), 2.19 (s, 3H).
e) N-(5-amino-2',4'-difluorobiphenylyl)acetamide
To a solution of N-(2',4'-difluoronitrobiphenylyl)acetamide (4 g, 13.7
mmol) in methanol (30 ml) and ethyl acetate (15 ml) was added 10 % Pd/C (400 mg, 0.1
eq.) and the reaction vessel was purged with nitrogen gas for 5 min. The mixture was
then hydrogenated with H balloon for 12 h. The mixture was filtered through a pad of
celite and the filtrate was concentrated under reduced pressure to afford the compound
in 89 % yield (3.2g). H NMR (300 MHz, DMSO-d ): δ 9.77 (br s, 1H), 7.46-7.42 (m,
1H), 7.35-7.28 (m, 1H), 7.2-7.15 (m, 1H), 6.99 (br s, 1H), 8.86 (d, 1H), 6.39 (d, 1H),
5.45 (br s, 2H), 2.02 (s, 3H).
f) N-(5-(4-bromonitrophenylamino)-2',4'-difluorobiphenylyl)acetamide
A solution of N-(5-amino-2',4'-difluorobiphenylyl)acetamide (3.0 g, 11.44
mmol), 4-bromofluoronitrobenzene (2.52 g, 11.44 mmol, 1.0 eq.) and potassium
fluoride (0.663 g, 11.44 mmol, 1.0 eq.) in DMF was heated at 130 C for 5 h. The
mixture was quenched and extracted as in Example 1(d). The solvent was distilled off
under reduced pressure and the crude residue was purified by column chromatography
(60-120 silica gel, 40 % ethyl acetate in hexane) to afford the product in 45 % yield (2.4
g).
g) N-(5-(2-aminobromophenylamino)-2',4'-difluorobiphenylyl)acetamide
To a solution of N-(5-(4-bromonitrophenylamino)-2',4'-difluorobiphenyl
yl)acetamide (3.2 g, 6.92 mmol) in THF (30 ml) were added a solution of ammonium
chloride (3.7 g, 69.22 mmol, 10 eq.) in water (15 ml) and zinc (4.53 g, 69.22 mmol, 10
eq.). The mixture was stirred at RT for 6 h and filtered. The filtrate was diluted with
water and extracted as in Example 1(d). The solvent was distilled off under reduced
pressure to afford the product in 87 % yield (2.6 g).
h) N-(5-(5-bromo-1H-benzo[d]imidazolyl)-2',4'-difluorobiphenylyl)-
acetamide
A mixture of the compound of Example 1(g) (2.6 g, 6.01 mmol) and formic acid
(10 ml) was heated at 100 C for 30 min. The formic acid was distilled off under
reduced pressure and the crude was dissolved in ethyl acetate. The ethyl acetate layer
was washed with water, brine and dried over sodium sulphate. The solvent was distilled
off under reduced pressure to afford the product in 60 % yield (1.6 g). H NMR (300
MHz, DMSO-d ): δ 10.41 (s, 1H), 8.72 (s, 1H), 8.02 (d, 2H), 7.82 (s, 1H), 7.75-7.66 (m,
2H), 7.53-7.41 (m, 3 H), 7.27 (m, 1H), 2.11 (s, 3H).
i) N-(2',4'-difluoro(5-(1-methyl-1H-pyrazolyl)-1H-benzo[d]imidazolyl)-
biphenylyl)acetamide
A solution of the compound of Example 1(h) (1.5 g, 3.39 mmol) in 1,2-di-
methoxyethane (15 ml) was degassed by N bubbling for 5 min. 1-Methyl(4,4,5,5-
tetramethyl-1,3,2-dioxaborolanyl)-1H-pyrazole (0.847 g, 4.07 mmol, 1.2 eq.) was
added and the mixture was degassed for another 5 min. Pd(dppf)Cl (0.553g, 0.678
mmol, 0.2 eq.) and aqueous sodium carbonate (1.08 g, 10.18 mmol, 3.0 eq.) were added
following the procedure described in Example 1(d). The crude residue of the product
was purified by column chromatography (60-120 silica gel, 80 % ethyl acetate in
hexane) to afford the product in 67 % yield (1.0 g). H NMR (300 MHz, DMSO-d ): δ
.4 (s, 1H), 8.64 (s, 1H), 8.2 (1H, s), 8.07 (s, 1H), 7.99 (s, 1H), 7.94 (s, 1H), 7.8-7.68
(m, 2 H), 7.6-7.45 (m, 4 H), 7.27 (t, 1H), 3.88 (s, 3H), 2.12 (s, 3H); LC-MS (ESI):
Calculated mass: 443.45; Observed mass: 444.1 [M+H] (rt: 1.2 min).
Example 2.
N-(2',4'-difluoro(5-(1-methyl-1H-pyrazolyl)-1H-benzo[d]imidazolyl)-
biphenylyl)methanesulfonamide
a) 2',4'-Difluoro(5-(1-methyl-1H-pyrazolyl)-1H-benzo[d]imidazolyl)-
biphenylamine
To a solution of N-(2',4'-difluoro(5-(1-methyl-1H-pyrazolyl)-1H-benzo-
[d]imidazolyl)biphenylyl)acetamide of Example 1 (1.0 g, 2.26 mmol) in ethanol
(10 ml) was added aqueous solution of NaOH (800 mg, 20 mmol, 8.9 eq.) and the
mixture was heated at 85 C for 5 h. The mixture was quenched and extracted as in
Example 1(d). The solvent was distilled off under reduced pressure to afford the
product in 66 % yield (0.6 g). LC-MS (ESI): Calculated mass: 401.41; Observed mass:
402.1 [M+H] (rt: 1.198 min).
b) N-(2',4'-difluoro(5-(1-methyl-1H-pyrazolyl)-1H-benzo[d]imidazolyl)-
biphenylyl)methanesulfonamide
To a solution of the compound of Example 2(a) (50 mg, 0.125 mmol) in DCM
was added pyridine (20 mg, 0.249 mmol, 2.0 eq.) followed by methanesulfonyl chloride
(17 mg, 0.15 mmol, 1.2 eq.). The mixture was stirred for 1 h, quenched with water and
extracted with DCM (3 × 50 ml). The combined organic layer was washed with water,
brine and dried over sodium sulphate. The solvent was distilled off under reduced
pressure and the crude residue was purified by preparative HPLC to give the product in
33 % yield (20 mg). H NMR (300 MHz, DMSO-d ): δ 10.26 (s, 1H), 8.66 (s, 1H), 8.2
(s, 1H), 7.98 (s, 1H), 7.94 (s, 1H), 7.75-7.67 (m, 2 H), 7.57 (t, 3 H), 7.45-7.43 (m, 2 H),
7.29-7.25 (m, 1H), 3.87 (s, 3H), 3.17 (s, 3H); LC-MS (ESI): Calculated mass: 479.5;
Observed mass: 480.2 [M+H] (rt: 1.34 min).
Example 3.
N-(2',4'-difluoro(5-(1-methyl-1H-pyrazolyl)-1H-benzo[d]imidazolyl)-
biphenylyl)ethanesulfonamide
The compound was prepared from the compound of Example 1 using the
procedures of Example 2. H NMR (300 MHz, DMSO-d ): δ 10.29 (s, 1H), 8.84 (s, 1H),
8.22 (s, 1H), 7.99 (s, 1H), 7.96 (s, 1H), 7.78-7.62 (m, 3H), 7.57 (br s, 2H), 7.48-7.43 (m,
2H), 7.29-7.25 (m, 1H), 3.88 (s, 3H), 3.29 (quartet, 2H), 1.25 (t, 3H); LC-MS (ESI):
Calculated mass: 493.53; Observed mass: 494.2 [M+H] (rt: 1.41 min).
Example 4.
N-(2',4'-difluoro(5-(1-methyl-1H-pyrazolyl)-1H-benzo[d]imidazolyl)-
biphenylyl)propanesulfonamide
The compound was prepared from the compound of Example 1 using the
procedures of Example 2. H NMR (300 MHz, DMSO-d ): δ 10.29 (s, 1H), 8.81 (s, 1H),
8.22 (s, 1H), 7.99 (s, 1H), 7.95 (s, 1H), 7.75-7.56 (m, 5 H), 7.48-7.43 (m, 2 H), 7.27 (m,
1H), 3.88 (s, 3H), 3.48-3.44 (m, 1H), 1.3 (d, 6H); LC-MS (ESI): Calculated mass:
507.55; Observed mass: 508.2 [M+H] (rt: 1.47 min).
Example 5.
N-(2',4'-difluoro(5-(1-methyl-1H-pyrazolyl)-1H-benzo[d]imidazolyl)-
biphenylyl)cyclopropanesulfonamide
The compound was prepared from the compound of Example 1 using the
procedures of Example 2 and cyclopropane sulfonyl chloride. H NMR (300 MHz,
DMSO-d ): δ 10.29 (s, 1H), 8.88 (s, 1H), 8.23 (s, 1H), 8.0 (s, 1H), 7.96 (s, 1H), 7.76-
7.64 (m, 3H), 7.6 (s, 2H), 7.5-7.46 (m, 2H), 7.3-7.25 (m, 1H), 3.88 (s, 3H), 2.88-2.85
(m, 1H), 1.02-1.0 (m, 4H); LC-MS (ESI): Calculated mass: 505.54; Observed mass:
506.1 [M+H] (rt: 1.517 min).
Example 6.
N-(2',4'-difluoro(5-(1-methyl-1H-pyrazolyl)-1H-benzo[d]imidazolyl)-
biphenylyl)cyclopentanesulfonamide
The compound was prepared from the compound of Example 1 using the
procedures of Example 2. H NMR (300 MHz, DMSO-d ): δ 10.25 (s, 1H), 8.96 (s, 1H),
8.24 (s, 1H), 8.0 (s, 1H), 7.97 (s, 1H), 7.77-7.66 (m, 3 H), 7.6-7.59 (m, 2 H), 7.49 (m, 1
H), 7.46-7.43 (m, 1H), 7.3-7.25 (m, 1H), 3.88 (s, 3H), 3.83-3.78 (m, 1H), 1.99-1.93 (m,
4H), 1.69-1.64 (m, 2H), 1.63-1.52 (m, 2H); LC-MS (ESI): Calculated mass: 533.59;
Observed mass: 534.3 [M+H] (rt: 1.57 min).
Example 7.
N-(2',4'-difluoro(5-(1-methyl-1H-pyrazolyl)-1H-benzo[d]imidazolyl)-
biphenylyl)benzenesulfonamide
The compound was prepared from the compound of Example 1 using the
procedures of Example 2. H NMR (300 MHz, DMSO-d ): δ 8.57 (s, 1H), 8.21 (s, 1H),
7.96-7.95 (m, 2H), 7.88-7.86 (m, 2H), 7.72-7.61 (m, 4 H), 7.57-7.55 (m, 2 H), 7.5 (br s,
1H), 7.45-7.32 (m, 4 H), 7.26-7.22 (m, 1H), 3.88 (s, 3H); LC-MS (ESI): Calculated
mass: 541.57; Observed mass: 542.1 [M+H] (rt: 1.642 min).
Example 8.
N-(5-(5-(1-(2-(dimethylamino)ethyl)-1H-pyrazolyl)-1H-benzo[d]imidazol
yl)-2',4'-difluorobiphenylyl)acetamide
A solution of compound of Example 1(h) (7 g, 15.83 mmol) in 1,2-dimethoxy-
ethane (200 ml) was degassed by N bubbling for 5 min. N,N-dimethyl(4-(4,4,5,5-
tetramethyl-1,3,2-dioxaborolanyl)-1H-pyrazolyl)ethanamine of Intermediate
Example 1 (6.3 g, 23.74 mmol, 1.5 eq.) was added and the mixture was degassed for
another 5 min. Pd(PPh ) (1.83 g, 1.583 mmol, 0.1 eq.) and aqueous sodium carbonate
(5.03 g, 47.5 mmol, 3.0 eq.) were added following the procedure of Example 1(d). The
crude residue of the product was purified by column chromatography (neutral alumina,
80 % ethyl acetate in hexane) to give the product in 19 % yield (1.5 g). H NMR (300
MHz, DMSO-d ): δ; 10.45 (s, 1H), 8.8 (s, 1H), 8.35 (s, 1H), 8.15 (s, 2H), 8.05 (s, 1H),
7.6-7.7 (m, 4H), 7.4-7.55 (m, 2H), 7.2-7.3 (m, 1H), 4.56 (t, 2H), 3.65-3.63 (m, 2H), 2.85
(s, 6H), 2.12 (s, 3H); LC-MS (ESI): Calculated mass: 500.54; Observed mass: 501.2
[M+H] (rt: 0.277 min).
Example 9.
N-(5-(5-(1-(2-(dimethylamino)ethyl)-1H-pyrazolyl)-1H-benzo[d]imidazol
yl)-2',4'-difluorobiphenylyl)methanesulfonamide
a) 5-(5-(1-(2-(dimethylamino)ethyl)-1H-pyrazolyl)-1H-benzo[d]imidazol
yl)-2',4'-difluorobiphenylamine
To a solution of the compound of Example 8 (1.5 g, 3.0 mmol) in ethanol (30
ml) was added aqueous solution of NaOH (1.5 g, 37.5 mmol, 12.5 eq.) and the mixture
was heated at 100 C for 4 h. The mixture was quenched and extracted as in Example
1(d). The solvent was distilled off to afford the product in 58 % yield (0.8 g).
b) N-(5-(5-(1-(2-(dimethylamino)ethyl)-1H-pyrazolyl)-1H-benzo[d]imidazol-
1-yl)-2',4'-difluorobiphenylyl)methanesulfonamide
To a solution of the compound of Example 9(a) (200 mg, 0.436 mmol) in DCM
was added pyridine (69 mg, 0.872 mmol, 2.0 eq.) followed by methanesulfonyl chloride
(75 mg, 0.654 mmol, 1.5 eq.). The mixture was stirred for 1 h and quenched and
extracted as in Example 2(b). The solvent was distilled off and the crude residue was
purified by preparative HPLC to give the product in 13 % yield (30 mg). H NMR (300
MHz, DMSO-d ): δ 8.66 (s, 1H), 8.26 (s, 1H), 7.99 (d, 1H), 7.96 (s, 1H), 7.81-7.7 (m,
2H), 7.68 (s, 1H), 7.62-7.57 (m, 3H), 7.5-7.44 (m, 2H), 7.3-7.25 (m, 1H), 4.23 (t, 2H),
3.18 (s, 3H), 2.75-2.73 (m, 2H), 2.12 (s, 6H); LC-MS (ESI): Calculated mass: 536.6;
Observed mass: 537.3 [M+H] (rt: 0.26 min).
Example 10.
N-(5-(5-(1-(2-(dimethylamino)ethyl)-1H-pyrazolyl)-1H-benzo[d]imidazol
yl)-2',4'-difluorobiphenylyl)ethanesulfonamide
The compound was prepared from the compound of Example 8 using the
procedures of Example 9. H NMR (300MHz, DMSO-d ): δ 10.35 (s, 1H), 9.2- 9.4 (br
s, 1H), 8.8 (s, 1H), 8.4 (s,1H), 8.15 (s, 1H), 8.0 (s, 1H), 7.6-7.8 (m, 2H), 7.6 (s, 2H), 7.4-
7.5 (m, 2H), 7.2-7.3 (m, 1H), 4.55 (t, 2H), 3.65-3.63 (m, 2H), 3.3 (quartet, 2H), 2.85 (s,
6H), 1.26 (t, 3H); LC-MS (ESI): Calculated mass: 550.62; Observed mass: 551.2
[M+H] (rt: 0.365 min).
Example 11.
N-(5-(5-(1-(2-(dimethylamino)ethyl)-1H-pyrazolyl)-1H-benzo[d]imidazol
yl)-2',4'-difluorobiphenylyl)propanesulfonamide
The compound was prepared from the compound of Example 8 using the
procedures of Example 9. H NMR (300 MHz, CD OD): δ 8.5 (s, 1H), 8.1 (s, 1H), 7.9-
7.95 (d, 2H), 7.55-7.7 (m, 5H), 7.45-7.5 (m, 2H), 7.05-7.1 (m, 2H), 4.32 (t, 2H), 3.44-
3.39 (m, 1H), 2.85 (t, 2H), 2.3 (s, 6H), 1.4 (d, 6H); LC-MS (ESI): Calculated mass:
564.65; Observed mass:565.2 [M+H] (rt: 0.507 min).
Example 12.
N-(2',4'-difluoro(5-(1-(2-morpholinoethyl)-1H-pyrazolyl)-1H-benzo[d]-
imidazolyl)biphenylyl)acetamide
The compound was prepared using the procedures of Example 8 using the
compound of Intermediate Example 2. H NMR (300 MHz, DMSO-d ): δ 10.43 (s, 1H),
8.82 (s, 1H), 8.35 (s, 1H), 8.13 (s, 2H), 8.05 (s, 1H), 7.79-7.73 (m, 3H), 7.67-7.63 (m,
1H), 7.51-7.44 (m, 2H), 7.31-7.27 (m, 1H), 4.6 (t, 2H), 3.93-3.88 (m, 4H), 3.67-3.63 (m,
4H), 3.82-3.78 (m, 2H), 2.1 (s, 3H); LC-MS (ESI): Calculated mass: 542.58; Observed
mass: 543.2 [M+H] (rt: 0.24 min).
Example 13.
N-(2',4'-difluoro(5-(1-(2-morpholinoethyl)-1H-pyrazolyl)-1H-benzo[d]-
imidazolyl)biphenylyl)methanesulfonamide
The compound was prepared from the compound of Example 12 using the
procedures of Example 9. H NMR (300 MHz, DMSO-d ): δ 10.3 (s, 1H), 8.8 (s, 1H),
8.35 (s, 1H), 8.15 (s, 1H), 8.05 (s, 1H), 7.7-7.8 (m, 2H), 7.6-7.7 (m, 1H), 7.55-7.6 (m,
2H), 7.4-7.5 (m, 2H), 7.25-7.35 (m, 1H), 4.59 (t, 2H), 4.0 (m, 4H), 3.82-3.78 (m, 2H),
3.5 (m, 4H), 3.18 (s, 3H); LC-MS (ESI): Calculated mass: 578.63; Observed mass:
579.2 [M+H] (rt: 0.383 min).
Example 14.
N-(2',4'-difluoro(5-(1-(2-morpholinoethyl)-1H-pyrazolyl)-1H-benzo[d]-
imidazolyl)biphenylyl)ethanesulfonamide
The compound was prepared from the compound of Example 12 using the
procedures of Example 9. H NMR (300MHz, DMSO-d ): δ 10.35 (s, 1H), 8.85 (s, 1H),
8.35 (s, 1H), 8.15 (s, 1H), 8.05 (s, 1H), 7.77-7.68 (m, 3H), 7.58 (s, 2H), 7.48-7.45 (m,
2H), 7.31-7.27 (m, 1H), 4.59 (t, 2H), 4.0-3.92 (m, 4H), 3.82-3.78 (m, 2H), 3.5-3.41 (m,
4H), 3.29 (quartet, 2H), 1.25 (t, 3H); LC-MS (ESI): Calculated mass: 592.66; Observed
mass: 593.2 [M+H] (rt: 0.419 min).
Example 15.
N-(2',4'-difluoro(5-(1-(2-morpholinoethyl)-1H-pyrazolyl)-1H-benzo[d]-
imidazolyl)biphenylyl)propanesulfonamide
The compound was prepared from the compound of Example 12 using the
procedures of Example 9. H NMR (300 MHz, CD OD): δ 8.5 (s, 1H), 8.1 (s, 1H), 7.93
(s, 1H), 7.9 (s, 1H), 7.6-7.7 (m, 4H), 7.5 (s, 2H), 7.1-7.15 (m, 2H), 4.33 (t, 2H), 3.67 (t,
4H), 3.46-3.39 (m, 1H), 2.85 (t, 2H), 2.52 (t, 4H), 1.4 (d, 6H); LC-MS (ESI): Calculated
mass: 606.69; Observed mass: 607.3 [M+H] (rt: 0.62 min).
Example 16.
N-(2',4'-difluoro(5-(1-(2-morpholinoethyl)-1H-pyrazolyl)-1H-benzo[d]-
imidazolyl)biphenylyl)cyclopropanesulfonamide
The compound was prepared from the compound of Example 12 using the
procedures of Example 9 and cyclopropane sulfonyl chloride. H NMR (300 MHz,
DMSO-d ): δ 8.6 (s, 1H), 8.25 (s, 1H), 7.98 (s, 1H), 7.95 (s, 1H), 7.74-7.65 (m, 2H),
7.59-7.55 (m, 1H), 7.45-7.38 (m, 2H), 7.28-7.24 (m, 4H), 4.24 (t, 2H), 3.56 (t, 4H), 2.75
(t, 2H), 2.67-2.64 (m, 1H), 2.42 (t, 4H), 0.91-0.88 (m, 4H); LC-MS (ESI): Calculated
mass: 604.67; Observed mass: 605.4 [M+H] (rt: 0.68 min).
Example 17.
N-(2',4'-difluoro(5-(1-methyl-1H-1,2,3-triazolyl)-1H-benzo[d]imidazol
yl)biphenylyl)acetamide
a) N-(2',4'-difluoro(4-iodonitrophenylamino)biphenylyl)acetamide
A solution of the compound of Example 1(e) (4.6 g, 17.54 mmol), 1-fluoro
iodonitrobenzene of Intermediate Example 3 (4.683 g, 17.54 mmol, 1.0 eq.) and
potassium fluoride (1.22 g, 21.05 mmol, 1.2 eq.) in DMF was heated at 130 C for 5 h.
The mixture was quenched and extracted as in Example 1(d). The solvent was distilled
off and the crude residue was purified by column chromatography (60-120 silica gel, 50
% ethyl acetate in hexane) to give the product in 76 % yield (6.8 g). H NMR (300
MHz, DMSO-d ): δ 10.15 (br s, 1H), 9.41 (s, 1H), 8.35 (d, 1H), 7.78 (dd, 1H), 7.66-7.54
(m, 3 H), 7.39 (m, 1H), 7.22 (m, 1H), 7.14-7.11 (m, 2H), 2.06 (s, 3H).
b) N-(5-(2-aminoiodophenylamino)-2',4'-difluorobiphenylyl)acetamide
To a solution of the compound of Example 17(a) (3.0 g, 5.89 mmol) in THF (30
ml) were added a solution of ammonium chloride (1.26 g, 23.56 mmol, 4 eq.) in water
(5 ml) and zinc (1.54 g, 23.56 mmol, 4 eq.). The mixture was stirred at RT for 0.5 h and
filtered. The filtrate was diluted with water and extracted as in Example 1(d). The
solvent was distilled off to afford the product in 77 % yield (2.18 g). H NMR (300
MHz, DMSO-d ): δ 9.85 (br s, 1H), 7.44 (quartet, 1H), 7.36-7.31 (m, 2H), 7.19-7.14 (m,
2H), 7.07 (s, 1H), 7.02 (s, 1H), 6.82 (s, 2H), 6.53 (br s, 1H), 5.03 (br s, 2H), 2.0 (s, 3H).
c) N-(2',4'-difluoro(5-iodo-1H-benzo[d]imidazolyl)biphenylyl)acetamide
A mixture of the compound of Example 17(b) (2.18 g, 4.55 mmol) and formic
acid (10 ml) was heated at 100 C for 30 min. The formic acid was distilled off and the
crude was dissolved in ethyl acetate. The ethyl acetate layer was washed with water,
brine and dried over sodium sulphate. The solvent was distilled off to afford the
product in 47 % yield (1.05 g).
d) N-(2',4'-difluoro(5-((trimethylsilyl)ethynyl)-1H-benzo[d]imidazolyl)-
biphenylyl)acetamide
A solution of the compound of Example 17(c) (0.7 g, 1.43 mmol) in DMF-Et N
(1:1; 20 ml) was degassed by N bubbling for 15 min. Pd(PPh ) (0.165g, 0.143 mmol,
2 3 4
0.1 eq.), copper(I) iodide (0.027g, 0.143 mmol, 0.1 eq.) and ethynyltrimethylsilane (0.4
ml, 2.86mmol, 2 eq.) were added sequentially and the mixture was stirred for 12 h at
RT. The mixture was quenched and extracted as in Example 1(d). The solvent was
distilled off and the crude residue was purified by column chromatography (60-120
silica gel, 60 % ethyl acetate in hexane) to give the product in 68 % yield (0.45 g). H
NMR (300 MHz, DMSO-d ): δ 10.42 (s, 1H), 8.79 (br s, 1H), 8.03 (s, 1H), 7.89-7.84
(m, 2H), 7.78-7.7 (m, 2H), 7.51-7.41 (m, 3H), 7.29-7.24 (m, 1H), 2.12 (s, 3H), 0.23 (s,
9H).
e) N-(5-(5-ethynyl-1H-benzo[d]imidazolyl)-2',4'-difluorobiphenylyl)-
acetamide
To a solution of the compound of Example 17(d) (0.41g, 0.9 mmol) in THF at 0
C was added TBAF (1M in THF; 0.28 ml, 1.07 mmol, 1.2 eq.) and the mixture was
stirred for 0.5 h. The mixture was filtered over a pad of silica and distilled to give the
product in 89 % yield (0.31 g). H NMR (300 MHz, DMSO-d ): δ 10.3 (br s, 1H), 8.79
(s, 1H), 8.1 (s, 1H), 7.96 (s, 1H), 7.88 (s, 1H), 7.82-7.73 (m, 2H), 7.54-7.45 (m, 3H),
7.34-7.27 (m, 1H), 4.2 (s, 1H), 2.16 (s, 3H).
f) N-(2',4'-difluoro(5-(1-methyl-1H-1,2,3-triazolyl)-1H-benzo[d]imidazol-
1-yl)biphenylyl)acetamide
A mixture of the compound of Example 17(e) (115 mg, 0.297 mmol), sodium
azide (19 mg, 0.297 mmol, 1.0 eq.), methyl iodide (42 mg, 0.297 mmol, 1.0 eq.),
sodium ascorbate (59 mg, 0.297 mmol, 1.0 eq.) and copper sulfate pentahydrate (37 mg,
0.149 mmol, 0.5 eq.) in DMSO, THF and water (1:1:1, 3 ml) was stirred for 12 h at RT.
The mixture was quenched with water and the precipitate formed was filtered and dried.
The crude product was purified by preparative HPLC to give the product in 15 % yield
(20 mg). H NMR (300 MHz, DMSO-d ): δ 10.4 (s, 1H), 8.7 (s, 1H), 8.6 (s, 1H), 8.25
(s, 1H), 8.05 (s, 1H), 7.7-7.95 (m, 4H), 7.4-7.55 (m, 2H), 7.2-7.3 (m, 1H), 4.1 (s, 3H),
2.1 (s, 3H); LC-MS (ESI): Calculated mass: 444.44; Observed mass: 445.1 [M+H] (rt:
1.039 min).
Example 18.
N-(2',4'-difluoro(5-(1-methyl-1H-1,2,3-triazolyl)-1H-benzo[d]imidazol
yl)biphenylyl)methanesulfonamide
a) 2',4'-difluoro(5-(1-methyl-1H-1,2,3-triazolyl)-1H-benzo[d]imidazol
yl)biphenylamine
To a solution of the compound of Example 17 (300 mg, 0.675 mmol) in ethanol
(10 ml) was added aqueous solution of NaOH (338 mg, 8.44 mmol, 12.5 eq.) and the
mixture was heated at 85 C for 5 h. The mixture was quenched and extracted as in
Example 1(d). The solvent was distilled off to afford the product in 44 % yield (0.12 g).
LC-MS (ESI): Calculated mass: 402.4; Observed mass: 403.4 [M+H] (rt: 1.03 min).
b) N-(2',4'-difluoro(5-(2-methyl-2H-1,2,3-triazolyl)-1H-benzo[d]imidazol-
1-yl)biphenylyl)methanesulfonamide
To a solution of the compound of Example 18(a) (90 mg, 0.224 mmol) in DCM
was added pyridine (35 mg, 0.447 mmol, 2.0 eq.) followed by methanesulfonyl chloride
(26 mg, 0.224 mmol, 1.0 eq.). The reaction was monitored by LCMS. After completion
of the reaction the solvent was removed and the crude product was purified by
preparative HPLC to give the product in 13 % yield (14 mg). H NMR (300 MHz,
DMSO-d ): δ 10.31 (s, 1H), 8.84 (br s, 1H), 8.61 (s, 1H), 8.25 (s, 1H), 7.92 (d, 1H), 7.8-
7.74 (m, 2H), 7.59 (d, 2H), 7.49-7.43 (m, 2H), 7.31-7.26 (m, 1H), 4.11 (s, 3H), 3.18 (s,
3H); LC-MS (ESI): Calculated mass: 480.49; Observed mass: 481.1 [M+H] (rt:
1.357min).
Example 19.
N-(2',4'-difluoro(5-(2-methyl-2H-1,2,3-triazolyl)-1H-benzo[d]imidazol
yl)biphenylyl)benzenesulfonamide
The compound was prepared from the compound of Example 17 using the
procedures of Example 18. H NMR (300 MHz, DMSO-d ): δ 10.9 (s, 1H), 8.73 (s, 1H),
8.62 (s, 1H), 8.22 (s, 1H), 7.9-7.87 (m, 3H), 7.71-7.62 (m, 4H), 7.55 (s, 1H), 7.47-7.39
(m, 4H), 7.28-7.24 (m, 1H), 4.12 (s, 3H); LC-MS (ESI): Calculated mass: 542.56;
Observed mass: 543.2 [M+H] (rt: 1.52 min).
Example 20.
N-(5-(5-(1-(2-(dimethylamino)ethyl)-1H-1,2,3-triazolyl)-1H-benzo[d]-
imidazolyl)-2',4'-difluorobiphenylyl)acetamide
A mixture of the compound of Example 17(e) (115 mg, 0.297 mmol), 2-azido-
N,N-dimethylethanamine (34 mg, 0.297 mmol, 1.0 eq.), sodium ascorbate (59 mg, 0.297
mmol, 1.0 eq.) and copper sulfate pentahydrate (37 mg, 0.149 mmol, 0.5 eq.) in DMSO,
THF and water (1:1:1, 3 ml) was stirred for 12 h at RT. The mixture was quenched with
water and the precipitate formed was filtered and dried. The crude product was purified
by preparative HPLC to give the product in 27 % yield (40 mg). H NMR (300 MHz,
DMSO-d ): δ 10.45 (s, 1H), 8.71 (s, 2H), 8.25 (s, 1H), 8.1 (s, 1H), 7.9 (d, 1H), 7.81-7.72
(m, 3H), 7.52 (s, 1H), 7.48-7.42 (m, 1H), 7.3-7.25 (m, 1H), 4.82 (br s, 2H), 3.59 (br s,
2H), 2.78 (br s, 6H), 2.1 (s, 3H); LC-MS (ESI): Calculated mass: 501.53; Observed
mass: 502.2 [M+H] (rt: 0.259 min).
Example 21.
N-(2',4'-difluoro(5-(1-(2-morpholinoethyl)-1H-1,2,3-triazolyl)-1H-benzo-
[d]imidazolyl)biphenylyl)acetamide
The compound was prepared from the compound of Example 17(e) using the
procedures of Example 20. H NMR (300 MHz, DMSO-d ): δ 10.42 (s, 1H), 8.79 (s,
1H), 8.72 (s, 1H), 8.27 (s, 1H), 8.12 (s, 1H), 7.94-7.92 (m, 1H), 7.82-7.72 (m, 3H), 7.54
(s, 1H), 7.48-7.42 (m, 1H), 7.3-7.25 (m, 1H), 4.89 (t, 2H), 4.09 (m, 4H), 3.76 (m, 2H),
2.54-2.46 (m, 4H), 2.1 (s, 3H); LC-MS (ESI): Calculated mass: 543.57; Observed mass:
544.2 [M+H] (rt: 0.277 min).
Example 22.
N-(2',4'-difluoro(5-(oxazolyl)-1H-benzo[d]imidazolyl)biphenylyl)-
acetamide
a) N-(2',4'-difluoro(4-formylnitrophenylamino)biphenylyl)acetamide
A solution of the compound of Example 1(e) (4.3 g, 16.4 mmol), 4-fluoro
nitrobenzaldehyde of the Intermediate Example 4 (2.46 g, 16.4 mmol, 1.0 eq.) and
potassium fluoride (0.95 g, 16.4 mmol, 1.0 eq.) in DMF was heated at 130 C for 5 h.
The mixture was quenched and extracted as in Example 1(d). The solvent was distilled
off and the crude residue was purified by column chromatography (60-120 silica gel, 50
% ethyl acetate in hexane) to yield the product in 45 % yield (3.0 g). H NMR (300
MHz, DMSO-d ): δ 10.22 (s, 1H), 9.85 (s, 1H), 8.7 (s, 1H), 7.93-7.9 (m, 1H), 7.73-7.58
(m, 3H), 7.43-7.2 (m, 5H), 2.07 (s, 3H).
b) N-(2',4'-difluoro(2-nitro(oxazolyl)phenylamino)biphenylyl)-
acetamide
To a solution of the compound of Example 22(a) (2.0 g, 4.86 mmol) in methanol
was added potassium carbonate (0.74 g, 5.35 mmol, 1,1 eq.) and the mixture was stirred
for 10 min at RT. Toluenesulfonylmethyl isocyanide (1.044 g, 5.35 mmol, 1,1 eq.) was
added and the mixture was refluxed for 4 h. The methanol was distilled off and water
was added to the crude. The mixture was extracted as in Example 1(d). The solvent was
distilled off and the residue was purified by column chromatography (60-120 silica gel,
40 % ethyl acetate in hexane) to give the product in 64 % yield (1.4 g). H NMR (300
MHz, DMSO-d ): δ 10.17 (s, 1H), 9.59 (s, 1H), 8.45 (s, 1H), 8.4 (d, 1H), 7.91-7.87 (m,
1H), 7.71 (s, 2H), 7.61-7.56 (m, 2H), 7.44-7.37 (m, 2H), 7.23-7.17 (m, 2H), 2.07 (s,
3H).
c) N-(5-(2-amino(oxazolyl)phenylamino)-2',4'-difluorobiphenylyl)-
acetamide
To a solution of the compound of Example 22(b) (1 g, 2.22 mmol) in methanol
(35 ml) and ethyl acetate (15 ml) was added 10 % Pd/C (200 mg, 0.2 eq.) and the
reaction vessel was purged with nitrogen gas for 5 min. The mixture was then
hydrogenated with H balloon for 12 h. The mixture was filtered through a pad of celite
and the filtrate was concentrated to afford the compound in 86 % yield (0.8 g).
d) N-(2',4'-difluoro(5-(oxazolyl)-1H-benzo[d]imidazolyl)biphenyl
yl)acetamide
A mixture of the compound of Example 22(c) (1.5 g, 3.57 mmol) and formic
acid (6 ml) was heated at 100 C for 30 min. The formic acid was distilled off and the
crude was dissolved in ethyl acetate. The ethyl acetate layer was washed with water,
brine and dried over sodium sulphate. The solvent was distilled off to afford the
product in 52 % yield (0.8 g). H NMR (300 MHz, DMSO-d ): δ 10.44 (s, 1H), 8.74 (s,
1H), 8.45 (s, 1H), 8.15 (s, 1H), 8.07 (s, 1H), 7.82-7.73 (m, 5H), 7.52 (s, 1H), 7.5-7.2 (m,
1H), 7.27-7.23 (m, 1H), 2.11 (s, 3H); LC-MS (ESI): Calculated mass: 430.41; Observed
mass: 431.2 [M+H] (rt: 1.42 min).
Example 23.
N-(2',4'-difluoro(5-(oxazolyl)-1H-benzo[d]imidazolyl)biphenylyl)-
methanesulfonamide
a) 2',4'-difluoro(5-(oxazolyl)-1H-benzo[d]imidazolyl)biphenylamine
To a solution of the compound of Example 22 (800 mg, 1.86 mmol) in ethanol
(10 ml) was added aqueous solution of NaOH (640 mg, 16 mmol, 8.6 eq.) and the
mixture was heated at 85 C for 5 h. The mixture was quenched and extracted as in
Example 1(d). The solvent was distilled off to afford the product in 69 % yield (0.5 g).
LC-MS (ESI): Calculated mass: 388.37; Observed mass: 389.1 [M+H] (rt: 1.517 min).
b) N-(2',4'-difluoro(5-(oxazolyl)-1H-benzo[d]imidazolyl)biphenyl
yl)methanesulfonamide
To a solution of the compound of Example 23(a) (100 mg, 0.258 mmol) in
DCM was added pyridine (40 mg, 0.515 mmol, 2.0 eq.) followed by methanesulfonyl
chloride (35 mg, 0.309 mmol, 1.2 eq.). The reaction was stirred for 1 h and quenched
and extracted as in Example 2(b). The solvent was distilled off and the crude residue
was purified by preparative HPLC to give the product in 10 % yield (12 mg). H NMR
(300 MHz, DMSO-d ): δ 10.3 (s, 1H), 8.78 (s, 1H), 8.46 (s, 1H), 8.16 (s, 1H), 7.8-7.76
(m, 4 H), 7.6-7.56 (m, 2H), 7.46 (m, 2H), 7.34-7.27 (m, 1H), 3.18 (s, 3H); LC-MS
(ESI): Calculated mass: 466.46; Observed mass: 467 [M+H] (rt: 1.553 min).
Example 24.
N-(2',4'-difluoro(5-(oxazolyl)-1H-benzo[d]imidazolyl)biphenylyl)-
ethanesulfonamide
The compound was prepared from the compound of Example 22 using the
procedures of Example 23. H NMR (300 MHz, DMSO-d ): δ 10.33 (s, 1H), 8.78 (s,
1H), 8.46 (s, 1H), 8.15 (s, 1H), 7.8-7.73 (m, 4H), 7.58-7.55 (m, 2H), 7.48-7.43 (m, 2H),
7.29-7.25 (m, 1H), 3.29 (quartet, 2H), 1.25 (t, 3H); LC-MS (ESI): Calculated mass:
480.49; Observed mass: 481.1 [M+H] (rt: 1.517 min).
Example 25.
N-(2',4'-difluoro(5-(oxazolyl)-1H-benzo[d]imidazolyl)biphenylyl)-
propanesulfonamide
The compound was prepared from the compound of Example 22 using the
procedures of Example 23. H NMR (300 MHz, DMSO-d ): δ 10.31 (s, 1H), 8.8 (s, 1H),
8.46 (s, 1H), 8.16 (s, 1H), 7.78 (d, 4H), 7.58 (m, 2H), 7.5-7.43 (m, 2H), 7.3-7.25 (m, 1
H), 3.49-3.47 (m, 1H), 1.3 (d, 6H); LC-MS (ESI): Calculated mass: 495.41; Observed
mass: 496.1 [M+H] (rt: 1.66 min).
Example 26.
N-(2',4'-difluoro(5-(oxazolyl)-1H-benzo[d]imidazolyl)biphenylyl)-
benzenesulfonamide
The compound was prepared from the compound of Example 22 using the
procedures of Example 23. H NMR (300 MHz, DMSO-d ): δ 10.9 (s, 1H), 8.77 (s, 1H),
8.47 (s, 1H), 8.14 (s, 1H), 7.88 (d, 2H), 7.78-7.74 (m, 2H), 7.72-7.61 (m, 4H), 7.54 (s,
1H), 7.49-7.45 (m, 1H), 7.43-7.39 (m, 3H), 7.27-7.22 (m, 1H) ; LC-MS (ESI):
Calculated mass: 528.53; Observed mass: 529.1 [M+H] (rt: 1.641 min).
Example 27.
N-(5-(5-(3,5-dimethylisoxazolyl)-1H-benzo[d]imidazolyl)-2',4'-difluoro-
biphenylyl)acetamide
The compound was prepared from the compound of Example 1(h) using the
procedures of Example 1. H NMR (300 MHz, DMSO-d ): δ 12.15 (br s, 1H), 10.24 (s,
1H), 8.67 (s, 1H), 8.08 (s, 1H), 7.82 (s, 1H), 7.78-7.73 (m, 2H), 7.65 (s, 1H), 7.53 (s,
1H), 7.48-7.43 (m, 1H), 7.3-7.25 (m, 2H), 2.23 (s, 6H), 2.12 (s, 3H); LC-MS (ESI):
Calculated mass: 457.47; Observed mass: 458 [M+H] (rt: 0.75 min).
Example 28.
N-(5-(5-(1H-pyrazolyl)-1H-benzo[d]imidazolyl)-2',4'-difluorobiphenyl
yl)acetamide
To a solution of the compound of Example 1(h) (5 g, 11.31 mmol) in DMF (20
ml) were added pyrazole (5 g, 73.49 mmol, 6.5 eq.), copper(I) oxide (4.86 g, 33.92
mmol, 3.0 eq.) and cesium carbonate (14.73 g, 45.22 mmol, 4.0 eq.) and the mixture
was heated at 90 C for 48 h. The mixture was quenched and extracted as in Example
1(d). The solvent was distilled off and the crude residue was purified by column
chromatography (neutral alumina, 1 % methanol in DCM) to give the product in 49 %
yield (2.4 g). H NMR (300 MHz, DMSO-d ): δ 10.43 (s, 1H), 8.8 (s, 1H), 8.6 (d, 1H),
8.25 (s, 1H), 8.1 (s, 1H), 7.9-8.0 (m, 1H), 7.7-7.9 (m, 4H), 7.4-7.6 (m, 2H), 7.2-7.3 (m,
1H), 6.6 (m, 1H), 2.1 (s, 3H); LC-MS (ESI): Calculated mass: 429.42; Observed mass:
430.4 [M+H] (rt: 1.46 min).
Example 29.
N-(5-(5-(1H-pyrazolyl)-1H-benzo[d]imidazolyl)-2',4'-difluorobiphenyl
yl)methanesulfonamide
a) 5-(5-(1H-pyrazolyl)-1H-benzo[d]imidazolyl)-2',4'-difluorobiphenyl
amine
To a solution of the compound of Example 28 (2.4 g, 5.59 mmol) in ethanol (40
ml) was added aqueous solution of NaOH (2.4 g, 60 mmol, 10.7 eq.) and the mixture
was heated at 85 C for 5 h. The mixture was quenched and extracted as in Example
1(d). The solvent was distilled off to afford the product in 69 % yield (1.5 g).
b) N-(5-(5-(1H-pyrazolyl)-1H-benzo[d]imidazolyl)-2',4'-difluorobiphenyl-
3-yl)methanesulfonamide
To a solution of the compound of Example 29(a) (250 mg, 0.645 mmol) in
DCM was added pyridine (102 mg, 1.29 mmol, 2.0 eq.) followed by methanesulfonyl
chloride (100 mg, 0.877 mmol, 1.4 eq.). The mixture was stirred for 1 h and quenched
and extracted as in Example 2(b). The solvent was distilled off and the residue was
purified by preparative HPLC to give the product in 33 % yield (100 mg). H NMR
(300 MHz, DMSO-d ): δ 10.31 (s, 1H), 8.85 (s, 1H), 8.62 (d, 1H), 8.25 (d, 2H), 7.95-
7.92 (m, 1H), 7.84-7.77 (m, 3H), 7.62 (s, 1H), 7.58 (s, 1H), 7.51-7.44 (m, 2H), 7.33-
7.27 (m, 1H), 3.19 (s, 3H); LC-MS (ESI): Calculated mass: 465.48; Observed mass:
466.1 [M+H] (rt: 1.606 min).
Example 30.
N-(5-(5-(1H-pyrazolyl)-1H-benzo[d]imidazolyl)-2',4'-difluorobiphenyl
yl)ethanesulfonamide
The compound was prepared from the compound of Example 28 using the
procedures of Example 29. H NMR (300 MHz, DMSO-d ): δ 10.3-10.4 (Br s, 1H),
8.75 (s, 1H), 8.6 (d,1H), 8.25(d, 1H), 7.9-7.95 (dd, 1H), 7.7-7.8 (m, 3H), 7.55 (m, 2H),
7.4-7.5 (m, 2H), 7.3 (m, 1H), 6.55 (m, 1H), 4.1 (q, 2H), 1.2-1.3 (t, 3H); LC-MS (ESI):
Calculated mass: 479.5; Observed mass: 480.1 [M+H] (rt: 1.641 min).
Example 31.
N-(5-(5-(1H-pyrazolyl)-1H-benzo[d]imidazolyl)-2',4'-difluorobiphenyl
yl)propanesulfonamide
The compound was prepared from the compound of Example 28 using the
procedures of Example 29. H NMR (300 MHz, DMSO-d ): δ 10.3 (s, 1H), 8.78 (s, 1H),
8.61 (d, 1H), 8.25 (d, 1H), 7.94 (dd, 1H), 7.78-7.75 (m, 3H), 7.61-7.57 (m, 2H), 7.5-
7.48 (m, 1H), 7.46-7.43 (m, 1H), 7.29-7.25 (m, 1H), 6.6 (s, 1H), 3.5-3.46 (m, 1H), 1.31
(d, 6H); LC-MS (ESI): Calculated mass: 493.53; Observed mass: 494.1 [M+H] (rt:
1.61 min).
Example 32.
N-(5-(5-(1H-pyrazolyl)-1H-benzo[d]imidazolyl)-2',4'-difluorobiphenyl
yl)cyclopropanesulfonamide
The compound was prepared from the compound of Example 28 using the
procedures of Example 29 and cyclopropane sulfonyl chloride. H NMR (300 MHz,
DMSO-d ): δ 10.34 (s, 1H), 9.0 (s, 1H), 8.64 (d, 1H), 8.27 (d, 1H), 7.99 (dd, 1H), 7.85-
7.76 (m, 3H), 7.65-7.62 (m, 2H), 7.54-7.45 (m, 2H), 7.33-7.27 (m, 1H), 6.59-6.57 (m,
1H), 2.95-2.93 (m, 1H), 1.04-1.02 (m, 4H); LC-MS (ESI): Calculated mass: 491.51;
Observed mass:492.1 [M+H] (rt: 1.659 min).
Example 33.
1-(5-(5-(1H-pyrazolyl)-1H-benzo[d]imidazolyl)-2',4'-difluorobiphenyl
yl)(furanylmethyl)urea
To a solution of the compound of Example 29(a) (250 mg, 0.645 mmol) in n-
butanol was added TEA (200 mg, 1.98 mmol, 3.05 eq.) followed by 2-(isocyanato-
methyl) furan (160 mg, 1.3 mmol, 2.0 eq.). The mixture was stirred for 1 h and then
quenched and extracted as in Example 1(d). The solvent was distilled off and the residue
was purified by preparative HPLC to give the product in 18 % yield (60 mg). H NMR
(300MHz, DMSO-d ): δ 9.07 (s, 1H), 8.84 (s, 1H), 8.61 (d, 1H), 8.24 (d, 1H), 7.96-7.93
(m, 2H), 7.84-7.71 (m, 3H), 7.64-7.6 (m, 2H), 7.46-7.41 (m, 2H), 7.27-7.23 (m, 1H),
6.82 (t, 1H), 6.58-6.56 (m, 1H), 6.41-6.4 (m, 1H), 6.28-6.27 (m, 1H), 4.32 (d, 2H); LC-
MS (ESI): Calculated mass: 510.49; Observed mass: 511.1 [M+H] (rt: 1.59 min).
Example 34.
N-(5-(5-(1H-imidazolyl)-1H-benzo[d]imidazolyl)-2',4'-difluorobiphenyl
yl)acetamide
The compound was prepared from the compound of Example 1(h) using the
procedures of Example 28. H NMR (300 MHz, DMSO-d ): δ; 10.44 (s, 1H), 8.86 (s,
1H), 8.29 (s, 2H), 8.14 (s, 1H), 7.92 (d, 2H), 7.79-7.71 (m, 4H), 7.55 (s, 1H), 7.47-7.43
(m, 1H), 7.29-7.26 (m, 1H), 2.1 (s, 3H); LC-MS (ESI): Calculated mass: 429.42;
Observed mass: 430.2 [M+H] (rt: 0.21 min).
Example 35.
N-(2',4'-difluoro(4,5,6,7-tetrahydro-1'H-1,5'-bibenzo[d]imidazol-1'-yl)bi-
phenylyl)acetamide
The compound was prepared from the compound of Example 1(h) using the
procedures of Example 28. H NMR (300 MHz, CD OD): δ 8.66 (s, 1H), 8.15 (t, 1H),
7.86-7.75 (m, 4H), 7.69-7.62 (m, 1H), 7.55 (d, 1H), 7.43 (dd, 1H), 7.18-7.1 (m, 2H),
2.67-2.57 (m, 4H), 2.2 (s, 3H), 1.91-1.85 (m, 4H); LC-MS (ESI): Calculated mass:
483.51; Observed mass: 484.2 [M+H] (rt: 0.632 min).
Example 36.
N-(5-(5-(1-cyclopentyl-1H-pyrazolyl)-1H-benzo[d]imidazolyl)-2',4'-di-
fluorobiphenylyl)acetamide
A solution of the compound of Example 17(c) (60 mg, 0.123 mmol) in 1,2-
dimethoxyethane (10 ml) was degassed by N bubbling for 5 min. 1-Cyclopentyl
(4,4,5,5-tetramethyl-1,3,2-dioxaborolanyl)-1H-pyrazole (35 mg, 0.135 mmol, 1.1 eq.)
was added and the mixture was degassed for another 5 min. Pd(dppf)Cl (20 mg, 0.025
mmol, 0.2 eq.) and aqueous sodium carbonate (39 mg, 0.369 mmol, 3.0 eq.) were added
and the procedure of Example 1(d) was followed. The crude residue of the product was
purified by preparative HPLC to give the product in 25 % yield (15 mg). H NMR (300
MHz, DMSO-d ): δ 10.4 (s, 1H), 8.63 (s, 1H), 8.30 (s, 1H), 8.07 (s, 1H), 8.02 (s, 1H),
7.95 (s, 1H), 7.8 (s, 1H), 7.78-7.76 (m, 2H), 7.63-7.61 (m, 1H), 7.51 (s, 1H), 7.45-7.40
(m, 1H); 7.27 (dt, 1H), 4.73-4.69 (m, 1H), 2.12-2.01 (m, 5H), 2.01-1.96 (m, 2H), 1.85-
1.81 (m, 2H), 1.69-1.66 (m, 2H); LC-MS (ESI): Calculated mass: 497.54; Observed
mass: 498.5 [M+H] (rt: 1.59 min).
Example 37.
N-(2',4'-difluoro(5-(1-(piperidinyl)-1H-pyrazolyl)-1H-benzo[d]-
imidazolyl)biphenylyl)acetamide
a) tert-butyl 4-(4-(1-(5-acetamido-2',4'-difluorobiphenylyl)-1H-benzo[d]-
imidazolyl)-1H-pyrazolyl)piperidinecarboxylate
A solution of the compound of Example 17(c) (150 mg, 0.306 mmol) in 1,2-
dimethoxyethane (5 ml) was degassed by N bubbling for 5 min. tert-Butyl 4-(4(4,4,5,5-
tetramethyl-1,3,2-dioxaborolanyl)-1H-pyrazolyl)piperidinecarboxylate of the
Intermediate Example 5 (173 mg, 0.460 mmol, 1.5 eq.) was added and the mixture was
degassed for another 5 min. Pd(PPh ) (50 mg, 0.0613 mmol, 0.2 eq.) and aqueous
sodium carbonate (97 mg, 0.92 mmol, 3.0 eq.) were added and the procedure of
Example 1(d) was followed. The crude residue of the product was obtained in 64 %
yield (120 mg).
b) N-(2',4'-difluoro(5-(1-(piperidinyl)-1H-pyrazolyl)-1H-benzo[d]-
imidazolyl)biphenylyl)acetamide
To a solution of the compound of Example 37(a) (120 mg, 0.2 mmol) in 1,4-
dioxane (8 ml) at 0 C was added HCl in dioxane and stirred at RT for 30 min. The
solvent was distilled off and the residue was purified by preparative HPLC to give the
product in 24 % yield (25 mg). H NMR (300 MHz, DMSO-d ): δ 10.42 (s, 1H), 8.83
(br s, 1H), 8.70-8.68 (m, 1H), 8.45-8.43 (m, 1H) 8.34 (s, 1H), 8.14-8.13 (m, 1H), 8.06
(s, 2H), 7.78 (m, 1H), 7.76-7.72 (m, 2H), 7.68 (dd, 1H), 7.53 (s, 1H), 7.43-7.40 (m, 1H),
7.27 (dt, 1H), 4.55-4.45 (m, 1H), 3.17-3.08 (m, 4H), 2.28-2.17 (m, 4H), 2.12 (s, 3H);
LC-MS (ESI): Calculated mass: 512.55; Observed mass: 513.2 [M+H] (rt: 0.22 min).
Example 38.
1-(5-(5-(1H-pyrazolyl)-1H-benzo[d]imidazolyl)-2',4'-difluorobiphenyl
yl)cyclopentylurea
To a solution of the compound of Example 29(a) (200 mg, 0.52 mmol) in n-
butanol (10 ml) was added triethylamine (157 mg, 1.56 mmol, 3 eq.) followed by iso-
cyanatocyclopentane (115 mg, 1.3 mmol, 1.04 eq.). The mixture was stirred for 1 h and
then quenched and extracted as in Example 1(d). The solvent was distilled off and the
residue was purified by preparative HPLC to give the product in 15 % yield (39 mg). H
NMR (300MHz, DMSO-d ): δ 8.83 (s, 1H), 8.72 (s, 1H), 8.60 (d, 1H), 8.23 (d, 1H),
7.90 (dd, 2H), 7.82-7.70 (m, 3H), 7.60 (d, 1H), 7.45 (dt, 1H), 7.34 (br s, 1H), 7.25 (dt,
1H), 6.57-6.56 (m, 1H), 6.46 (d, 1H), 4.0-3.93 (m, 1H), 1.87-1.82 (m, 2H), 1.65-1.54
(m, 4H), 1.43-1.39 (m, 2H); LC-MS (ESI): Calculated mass: 498.53; Observed mass:
499.3 [M+H] (rt: 1.66 min).
Example 39.
N-(5-(5-(1-(2-(dimethylamino)ethyl)-1H-1,2,3-triazolyl)-1H-benzo[d]-
imidazolyl)-2',4'-difluorobiphenylyl)methanesulfonamide
a) 5-(5-(1-(2-(dimethylamino)ethyl)-1H-1,2,3-triazolyl)-1H-benzo[d]-
imidazolyl)-2',4'-difluorobiphenylamine
To a solution of the compound of Example 20 (450 mg, 0.9 mmol) in ethanol
(10 ml) was added aqueous solution of NaOH (450 mg, 11.25 mmol, 12.5 eq.) and the
mixture was heated at 85 C for 2 h. The mixture was quenched and extracted as in
Example 1(d). The solvent was distilled off to afford the product in 77 % yield (0.32 g).
b) N-(5-(5-(1-(2-(dimethylamino)ethyl)-1H-1,2,3-triazolyl)-1H-benzo[d]-
imidazolyl)-2',4'-difluorobiphenylyl)methanesulfonamide
To a solution of the compound of Example 39(a) (80 mg, 0.174 mmol) in DCM
(10 ml) was added pyridine (28 mg, 0.35 mmol, 2 eq.) followed by methanesulfonyl
chloride (22 mg, 0.19 mmol, 1.1 eq.). The mixture was stirred for 2 h and quenched and
extracted as in Example 2(b). The solvent was distilled off and the residue was purified
by preparative HPLC to give the product in 11 % yield (10 mg). H NMR (300 MHz,
DMSO-d ): δ 10.32 (s, 1H), 8.79 (s, 1H), 8.73 (s, 1H), 8.27 (s, 1H), 7.92 (dd, 1H), 7.82-
7.77 (m, 2H), 7.60 (d, 2H), 7.49-7.44 (m, 2H), 7.30-7.27 (m, 1H), 4.88 (t, 2H), 3.73 (m,
2H), 3.19 (s, 3H), 2.89 (s, 6H); LC-MS (ESI): Calculated mass: 537.58; Observed mass:
538.2 [M+H] (rt: 0.243 min).
Example 40.
N-(5-(5-(1-(2-(dimethylamino)ethyl)-1H-1,2,3-triazolyl)-1H-benzo[d]-
imidazolyl)-2',4'-difluorobiphenylyl)ethanesulfonamide
The compound was prepared from the compound of Example 20 using the
procedures of Example 39. H NMR (300 MHz, DMSO-d ): δ 10.37 (s, 1H), 8.85 (s,
1H), 8.73 (s, 1H), 8.28 (s, 1H), 8.83 (d, 1H), 7.82-7.76 (m, 2H), 7.59 (s, 2H), 7.48-7.47
(m, 2H), 7.29 (dt, 1H), 4.89-4.86 (m, 2H), 3.73 (m, 2H), 3.30 (quartet, 2H), 2.90 (s, 6H),
1.26 (t, 3H); LC-MS (ESI): Calculated mass: 551.61; Observed mass: 552.2 [M+H] (rt:
0.282 min).
Example 41.
N-(5-(5-(1-(2-(dimethylamino)ethyl)-1H-1,2,3-triazolyl)-1H-benzo[d]-
imidazolyl)-2',4'-difluorobiphenylyl)propanesulfonamide
The compound was prepared from the compound of Example 20 using the
procedures of Example 39. H NMR (300 MHz, DMSO-d ): δ 10.32 (s, 1H), 8.79 (s,
1H), 8.73 (s, 1H), 8.27 (s, 1H), 7.93 (d, 1H), 7.80-7.75 (m, 2H), 7.59 (d, 2H), 7.50-7.47
(m, 2H), 7.29 (dt, 1H), 4.88 (t, 2H), 3.74 (m, 2H), 3.50-3.46 (m, 1H), 2.89 (s, 6H), 1.31
(d, 6H); LC-MS (ESI): Calculated mass: 565.64; Observed mass: 566.2 [M+H] (rt:
0.402 min).
Example 42.
N-(5-(5-(1-(2-(dimethylamino)ethyl)-1H-1,2,3-triazolyl)-1H-benzo[d]-
imidazolyl)-2',4'-difluorobiphenylyl)cyclopropanesulfonamide
The compound was prepared from the compound of Example 20 using the
procedures of Example 39 and cyclopropane sulfonyl chloride. H NMR (400 MHz,
CD OD): δ 8.93 (s, 1H), 8.53 (s, 1H), 8.32 (s, 1H), 7.80 (d, 1H), 7.82 (d, 1H), 7.68-7.58
(m, 4H), 7.17-7.10 (m, 2H), 4.95 (t, 2H), 3.85 (t, 2H), 3.02 (s, 6H), 2.78-2.71 (m, 1H),
1.16-1.09 (m, 2H), 1.05-1.01 (m, 2H); LC-MS (ESI): Calculated mass: 563.62;
Observed mass: 564.2 [M+H] (rt: 0.412 min).
Example 43.
N-(5-(5-(1-(2-(dimethylamino)ethyl)-1H-1,2,3-triazolyl)-1H-benzo[d]-
imidazolyl)-2',4'-difluorobiphenylyl)benzenesulfonamide
The compound was prepared from the compound of Example 20 using the
procedures of Example 39. H NMR (300 MHz, DMSO-d ): δ 10.92 (s, 1H), 8.73 (d,
2H), 8.25 (s, 1H), 7.90-7.88 (m, 3H), 7.70-7.62 (m, 4H), 7.55-7.38 (m, 5H), 7.26-7.20
(m, 1H), 4.90-4.87 (m, 2H), 3.73 (t, 2H), 2.89 (s, 6H); LC-MS (ESI): Calculated mass:
599.65; Observed mass: 600.2 [M+H] (rt: 0.75 min).
Example 44.
N-(2',4'-difluoro(5-(1-(3-hydroxymethylbutyl)-1H-1,2,3-triazolyl)-1H-
benzo[d]imidazolyl)biphenylyl)acetamide
A mixture of the compound of Example 17(e), 4-azidomethylbutanol of
Intermediate Example 6 (0.16 g, 1.25 mmol, 1.0 eq.), sodium ascorbate (0.25 g, 1.25
mmol, 1.0 eq.) and copper sulfate pentahydrate (0.155 g, 0.62 mmol, 0.5 eq.) in CH Cl
(5 ml), DMSO (2 ml) and water (2 ml) was stirred for 12 h at RT. The mixture was
quenched with water and the precipitate formed was filtered and dried. The crude
product was purified by preparative HPLC to give the product in 62 % yield (0.4 g). H
NMR (300 MHz, DMSO-d ): δ 10.43 (s, 1H), 8.86 (s, 1H), 8.70 (s, 1H), 8.25 (s, 1H),
8.09 (s, 1H), 7.93 (d, 1H), 7.84-7.81 (m, 3H), 7.55 (s, 1H), 7.50-7.43 (m, 1H), 7.30-7.25
(m, 1H), 4.51-4.56 (m, 2H), 2.13 (s, 3H), 2.05-1.99 (t, 2H), 1.18 (s, 6H); LC-MS (ESI):
Calculated mass: 516.54; Observed mass: 517.2 [M+H] (rt: 1.226 min).
Example 45.
N-(2',4'-difluoro(5-(1-(3-hydroxymethylbutyl)-1H-1,2,3-triazolyl)-1H-
benzo[d]imidazolyl)biphenylyl)methanesulfonamide
a) 4-(4-(1-(5-amino-2',4'-difluorobiphenylyl)-1H-benzo[d]imidazolyl)-1H-
1,2,3-triazolyl)methylbutanol
To a solution of the compound of Example 44 (400 mg, 0.77 mmol) in ethanol
(20 ml) was added aqueous solution of NaOH (385 mg, 9.63 mmol, 12.5 eq.) and the
mixture was heated at 90 C for 3 h. The mixture was quenched and extracted as in
Example 1(d). The solvent was distilled off to give the product in 38 % yield (140 mg).
b) N-(2',4'-difluoro(5-(1-(3-hydroxymethylbutyl)-1H-1,2,3-triazolyl)-
1H-benzo[d]imidazolyl)biphenylyl)methanesulfonamide
To a solution of the compound of Example 45(a) (70 mg, 0.15 mmol) in DCM
(10 ml) was added pyridine (24 mg, 0.3 mmol, 2 eq.) followed by methanesulfonyl
chloride (19 mg, 0.165 mmol, 1.1 eq.). The mixture was stirred for 2 h, and quenched
and extracted as in Example 2(b). The solvent was distilled off and the residue was
purified by preparative HPLC to give the product in 1.2 % yield (1 mg). H NMR (300
MHz, DMSO-d ): δ 10.30 (s, 1H), 8.83 (s, 1H), 8.30 (s, 1H), 8.25 (s, 1H), 7.92 (d, 1H),
7.82-7.80 (m, 2H), 7.60 (d, 2H), 7.47 (s, 2H), 7.29-7.21 (m, 1H), 4.49 (m, 2H), 3.19 (s,
3H), 2.02 (m, 2H), 1.18 (s, 6H); LC-MS (ESI): Calculated mass: 552.60; Observed
mass: 553.1 [M+H] (rt: 1.352 min).
Example 46.
N-(2',4'-difluoro(5-(1-(3-hydroxymethylbutyl)-1H-1,2,3-triazolyl)-1H-
benzo[d]imidazolyl)biphenylyl)ethanesulfonamide
The compound was prepared from the compound of Example 44 using the
procedures of Example 45. H NMR (300 MHz, DMSO-d ): δ 10.34 (s, 1H), 8.87 (s,
1H), 8.70 (s, 1H), 8.25 (s, 1H), 7.93 (dd, 1H), 7.84-7.80 (m, 2H), 7.59 (s, 2H), 7.49-7.44
(m, 2H), 7.29 (dt, 1H), 4.51-4.47 (m, 2H), 3.30 (quartet, 2H), 2.04-2.00 (m, 2H), 1.26 (t,
3H), 1.16 (s, 6H); LC-MS (ESI): Calculated mass: 566.62; Observed mass: 567.2
[M+H] (rt: 1.42 min).
Example 47.
N-(2',4'-difluoro(5-(1-(3-hydroxymethylbutyl)-1H-1,2,3-triazolyl)-1H-
benzo[d]imidazolyl)biphenylyl)cyclopropanesulfonamide
The compound was prepared from the compound of Example 44 using the
procedures of Example 45 and cyclopropane sulfonyl chloride. H NMR (400 MHz,
CD OD): δ 9.09 (s, 1H), 8.47 (s, 1H), 8.30 (s, 1H), 8.0 (d, 1H), 7.83 (d, 1H), 7.69-7.60
(m, 4H), 7.17-7.10 (m, 2H), 4.62-4.58 (m, 2H), 2.78-2.69 (m, 1H), 2.17-2.13 (m, 2H),
1.29-1.15 (m, 8H), 1.10-1.02 (m, 2H); LC-MS (ESI): Calculated mass: 578.63;
Observed mass: 579.2 [M+H] (rt: 1.449 min).
Example 48.
N-(2',4'-difluoro(5-(1-(2-morpholinoethyl)-1H-1,2,3-triazolyl)-1H-
benzo[d]imidazolyl)biphenylyl)methanesulfonamide
a) 2',4'-difluoro(5-(1-(2-morpholinoethyl)-1H-1,2,3-triazolyl)-1H-
benzo[d]imidazolyl)biphenylamine
To a solution of the compound of Example 21 (1 g, 1.9 mmol) in ethanol (15
ml) was added aqueous solution of NaOH (0.95 g, 23.8 mmol, 12.5 eq.) and the mixture
was heated at 90 C for 4 h. The mixture was quenched and extracted as in Example
1(d). The solvent was distilled off to afford the product in 63 % yield (600 mg).
b) N-(2',4'-difluoro(5-(1-(2-morpholinoethyl)-1H-1,2,3-triazolyl)-1H-
benzo[d]imidazolyl)biphenylyl)methanesulfonamide
To a solution of the compound of Example 48(a) (80 mg, 0.159 mmol) in DCM
(10 ml) was added pyridine (25 mg, 0.318 mmol, 2 eq.) followed by methanesulfonyl
chloride (21 mg, 0.191 mmol, 1.2 eq.). The mixture was stirred for 2 h and quenched
and extracted as in Example 2(b). The solvent was distilled off and the residue was
purified by preparative HPLC to give the product in 13 % yield (12 mg). H NMR (300
MHz, DMSO-d ): δ 10.32 (s, 1H), 8.80 (s, 1H), 8.73 (s, 1H), 8.28 (s, 1H), 7.94-7.92 (d,
1H), 7.82-7.72 (m, 2H), 7.60 (d, 2H), 7.46-7.40 (m, 2H), 7.27 (dt, 1H), 4.89 (m, 2H),
3.96-3.94 (m, 6H), 3.77 (m, 4H), 3.19 (s, 3H); LC-MS (ESI): Calculated mass: 579.62;
Observed mass: 580.2 [M+H] (rt: 0.29 min).
Example 49.
N-(2',4'-difluoro(5-(1-(2-morpholinoethyl)-1H-1,2,3-triazolyl)-1H-
benzo[d]imidazolyl)biphenylyl)ethanesulfonamide
The compound was prepared from the compound of Example 21 using the
procedures of Example 48. H NMR (300 MHz, DMSO-d ): δ 10.41 (s, 1H), 8.83 (s,
1H), 8.80 (s, 1H), 8.32 (s, 1H), 7.97 (d, 1H), 7.85-7.80 (m, 2H), 7.63 (s, 2H), 7.52-7.50
(m, 2H), 7.33 (d, 1H), 4.93 (m, 2H), 4.0 (m, 6H), 3.70 (m, 4H), 3.34 (quartet, 2H), 1.30
(t, 3H); LC-MS (ESI): Calculated mass: 593.65; Observed mass: 594.2 [M+H] (rt: 0.36
min).
Example 50.
N-(2',4'-difluoro(5-(1-(2-morpholinoethyl)-1H-1,2,3-triazolyl)-1H-
benzo[d]imidazolyl)biphenylyl)cyclopropanesulfonamide
The compound was prepared from the compound of Example 21 using the
procedures of Example 48 and cyclopropane sulfonyl chloride. H NMR (300 MHz,
DMSO-d ): δ 10.9 (s, 1H), 8.73 (s, 1H), 8.62 (s, 1H), 8.22 (s, 1H), 7.9-7.87 (m, 3H),
7.71-7.62 (m, 4H), 7.55 (s, 1H), 7.47-7.39 (m, 4H), 7.28-7.24 (m, 1H), 4.12 (s, 3H); LC-
MS (ESI): Calculated mass: 605.6; Observed mass: 606.2 [M+H] (rt: 0.367 min).
Example 51.
N-(5-(5-(1-cyclopentyl-1H-1,2,3-triazolyl)-1H-benzo[d]imidazolyl)-2',4'-
difluorobiphenylyl)acetamide
A solution of the compound of Example 17(e) (100 mg, 0.258 mmol) in dry
DMF (10 ml) in a sealed tube was purged with N for 20 min, followed by the addition
of azidocyclopentane of Intermediate Example 7 (34 mg, 0.3 mmol, 1.2 eq.) and copper
iodide (5 mg, 0.0258 mmol, 0.1 eq.) and stirred at 90 C for 12 h. The solvent was
distilled off and the residue was purified by preparative HPLC to give the product in 14
% yield (18 mg). H NMR (400 MHz, CD OD): δ 8.55 (s, 1H), 8.43 (s, 1H), 8.36 (s,
1H), 8.23 (br s, 1H), 8.10 (s, 1H), 7.92-7.88 (m, 1H), 7.74 (d, 2H), 7.68-7.61 (m, 1H),
7.52 (s, 1H), 7.15-7.09 (m, 1H), 5.09-5.03 (m, 1H), 2.35-2.30 (m, 2H), 2.19-2.12 (m,
5H), 1.96-1.90 (m, 4H); LC-MS (ESI): Calculated mass: 498.53; Observed mass: 499.2
[M+H] (rt: 1.55 min).
Example 52.
N-(5-(5-(1-(cyclobutylmethyl)-1H-1,2,3-triazolyl)-1H-benzo[d]imidazol
yl)-2',4'-difluorobiphenylyl)acetamide
The compound was prepared from the compound of Example 17(e) using the
compound of Intermediate Example 8 and the procedure of Example 51. H NMR (300
MHz, DMSO-d ): δ 10.34 (s, 1H), 8.13 (s, 1H), 8.61 (s, 1H), 8.24 (s, 1H), 8.07 (s, 1H),
7.92-7.90 (d, 1H), 7.82-7.71 (m, 3H), 7.52 (s, 1H), 7.42 (m, 1H), 7.24-7.20 (m, 1H),
4.42 (d, 2H), 2.10 (s, 3H), 2.05 (m, 3H), 1.90-1.83 (m, 4H); LC-MS (ESI): Calculated
mass: 498.53; Observed mass: 499.2 [M+H] (rt: 1.55 min).
Example 53.
N-(4'-fluoro(5-(1-methyl-1H-pyrazolyl)-1H-benzo[d]imidazolyl)bi-
phenylyl)acetamide
a) N-(4'-fluoronitrobiphenylyl)acetamide
The compound was prepared from the compound of Example 1(c) (10.0 g, 38.6
mmol) using the procedure of Example 1(d) and 4-fluorophenylboronic acid (6.48 g,
46.3 mmol, 1.2 eq.) to give the product in 86 % yield (9.1 g). H NMR (300 MHz,
DMSO-d ): δ 10.53 (s, 1H), 8.57 (t, 1H), 8.17 (s, 1H), 8.09 (t, 1H), 7.86-7.74 (m, 2H),
7.41 (t, 2H), 7.15 (t, 1H), 2.13 (s, 3H); LC-MS (ESI): Calculated mass: 274.25;
Observed mass: 274.8 [M+H] (rt: 1.52 min).
b) N-(5-amino-4'-fluorobiphenylyl)acetamide
The compound was prepared from the compound of Example 53(a) (11.0 g, 40.1
mmol) using the procedure of Example 1(e) to afford the compound in 92 % yield (9.0
g). H NMR (300 MHz, DMSO-d ): δ 9.73 (s, 1H), 8.11 (s, 1H), 7.53-7.48 (m, 2H),
7.26 (t, 1H), 6.94-6.92 (m, 2H), 6.47 (s, 1H), 5.22 (s, 2H), 2.02 (s, 3H); LC-MS (ESI):
Calculated mass: 244.26; Observed mass: 245.1 [M+H] (rt: 0.312 min).
c) N-(5-(4-bromonitrophenylamino)-4'-fluorobiphenylyl)acetamide
The compound was prepared from the compound of Example 53(b) (9.0 g,
36.85 mmol) using the procedure of Example 1(f). The reaction was quenched with
water. The precipitate formed was filtered, washed with cold water and hexane and
dried under high vacuum to give the product as orange solid in 92 % yield (15.0 g). H
NMR (300 MHz, DMSO-d ): δ 10.14 (s, 1H), 9.45 (s, 1H), 8.25 (d, 1H), 7.69-7.62 (m,
5H), 7.35-7.24 (m, 4H), 2.07 (s, 3H); LC-MS (ESI): Calculated mass: 444.25; Observed
mass: 446.1 [M+H] (rt: 1.84 min).
d) N-(5-(2-aminobromophenylamino)-4'-fluorobiphenylyl)acetamide
The compound was prepared from the compound of Example 53(c) (15 g, 33.77
mmol) using the procedure of Example 1(g) to afford the product in 93 % yield (13.0
g). H NMR (300 MHz, DMSO-d ): δ 9.84 (1H, s), 7.53-7.49 (m, 3H), 7.31-7.25 (m,
4H), 6.98-6.91 (m, 2H), 6.88-6.62 (m, 2H), 5.11 (s, 2H), 2.01 (s, 3H); LC-MS (ESI):
Calculated mass: 414.27; Observed mass: 416 [M+H] (rt: 1.73 min).
e) N-(5-(5-bromo-1H-benzo[d]imidazolyl)-4'-fluorobiphenylyl)acetamide
The compound was prepared from the compound of Example 53(d) (13.0 g,
31.38 mmol) using the procedure of Example 1(h) to afford the product in 68 % yield
(9.0 g). H NMR (300 MHz, DMSO-d ): δ 10.38 (s, 1H), 8.77 (s, 1H), 8.14 (s, 1H),
8.02-7.97 (m, 1H), 7.9 (s, 1H), 7.82-7.77 (m, 2H), 7.7-7.67 (m, 1H), 7.63-7.62 (m, 1H),
7.54-7.5 (m, 1H), 7.36 (t, 2H), 2.12 (s, 3H); LC-MS (ESI): Calculated mass: 424.27;
Observed mass: 425.1 [M+H] (rt: 1.925 min).
f) N-(4'-fluoro(5-(1-methyl-1H-pyrazolyl)-1H-benzo[d]imidazolyl)-
biphenylyl)acetamide
The compound was prepared from the compound of Example 53(e) (1.3 g, 3.06
mmol) using the procedure of Example 1(i) and 1-methyl(4,4,5,5-tetramethyl-1,3,2-
dioxaborolanyl)-1H-pyrazole (0.765 g, 3.68 mmol, 1.2 eq.) to give the product in 46
% yield (0.6 g). H NMR (300 MHz, DMSO-d ): δ 10.4 (s, 1H), 9.0 (s, 1H), 8.25 (s,
1H), 8.08 (s, 1H), 8.0 (d, 2H), 7.90 (s, 1H), 7.8 (m, 3H), 7.65 (m, 2H), 7.4 (t, 2H), 3.9 (s,
3H), 2.1 (s, 3H); LC-MS (ESI): Calculated mass: 425.46; Observed mass: 425.9
[M+H] (rt: 1.13 min).
Example 54.
N-(4'-fluoro(5-(1-methyl-1H-pyrazolyl)-1H-benzo[d]imidazol
yl)biphenylyl)methanesulfonamide
a) 4'-fluoro(5-(1-methyl-1H-pyrazolyl)-1H-benzo[d]imidazolyl)bi-
phenylamine
To a solution of the compound of Example 53 (0.6 g, 1.41 mmol) in ethanol (20
ml) was added aqueous solution of NaOH (451 mg, 11.3 mmol, 8.0 eq.) and the mixture
was heated at 85 C for 4 h. The mixture was quenched and extracted as in Example
1(d). The solvent was distilled off to afford the product in 44 % yield (0.24 g). LC-MS
(ESI): Calculated mass: 383.42; Observed mass: 384.1 [M+H] (rt: 1.004 min).
b) N-(4'-fluoro(5-(1-methyl-1H-pyrazolyl)-1H-benzo[d]imidazol
yl)biphenylyl)methanesulfonamide
To a solution of the compound of Example 54(a) (50 mg, 0.125 mmol) in DCM
was added pyridine (20 mg, 0.249 mmol, 2.0 eq.) followed by methanesulfonyl chloride
(17 mg, 0.15 mmol, 1.2 eq.). The mixture was stirred for 1 h quenched and extracted as
in Example 2(b). The solvent was distilled off and the residue was purified by
preparative HPLC to give the product in 33 % yield (20 mg). H NMR (300 MHz,
DMSO-d ): δ 10.23 (br s, 1H), 8.71 (s, 1H), 7.97 (d, 2H), 7.85-7.8 (m, 2H), 7.69 (m,
2H), 7.61-7.58 (m, 2H), 7.52 (d, 2H), 7.38 (t, 2H), 3.89 (s, 3H), 3.19 (s, 3H); LC-MS
(ESI): Calculated mass: 461.51; Observed mass: 461.9 [M+H] (rt: 1.3 min).
Example 55.
N-(4'-fluoro(5-(1-methyl-1H-pyrazolyl)-1H-benzo[d]imidazolyl)bi-
phenylyl)ethanesulfonamide
The compound was prepared from the compound of Example 53 using the
procedures of Example 54. H NMR (300 MHz, DMSO-d ): δ 10.36 (br s, 1H), 9.35 (br
s, 1H), 8.28 (s, 1H), 8.02 (d, 2H), 7.85-7.79 (m, 2H), 7.76-7.7 (m, 3H), 7.6-7.57 (m,
2H), 7.39 (t, 2H), 3.89 (s, 3H), 3.31 (quartet, 2H), 1.27 (t, 3H); LC-MS (ESI):
Calculated mass: 475.54; Observed mass: 475.9 [M+H] (rt: 1.38 min).
Example 56.
N-(4'-fluoro(5-(1-methyl-1H-pyrazolyl)-1H-benzo[d]imidazolyl)-
biphenylyl)propanesulfonamide
The compound was prepared from the compound of Example 53 using the
procedures of Example 54. H NMR (300 MHz, DMSO-d ): δ 10.28 (br s, 1H), 8.92 (br
s, 1H), 8.24 (s, 1H), 7.99 (d, 2H), 7.83-7.78 (m, 2H), 7.71-7.67 (m, 3H), 7.56 (d, 2H),
7.38 (t, 2H), 3.88 (s, 3H), 3.52-3.48 (m, 1H), 1.31 (d, 6H); LC-MS (ESI): Calculated
mass: 489.56; Observed mass: 490.2 [M+H] (rt: 1.46 min).
Example 57.
N-(4'-fluoro(5-(1-methyl-1H-pyrazolyl)-1H-benzo[d]imidazolyl)bi-
phenylyl)cyclopropanesulfonamide
The compound was prepared from the compound of Example 53 using the
procedures of Example 54 and cyclopropane sulfonyl chloride. H NMR (300 MHz,
DMSO-d ): δ 10.28 (s, 1H), 9.1 (br s, 1H), 8.26 (s, 1H), 8.01 (d, 2H), 7.84-7.81 (m, 2H),
7.74-7.71 (m, 3H), 7.59 (s, 2H), 7.39 (t, 2H), 3.89 (s, 3H), 2.91-2.89 (m, 1H), 1.03 (d,
4H); LC-MS (ESI): Calculated mass: 487.55; Observed mass: 488.1 [M+H] (rt: 1.42
min).
Example 58.
1-cyclopentyl(4'-fluoro(5-(1-methyl-1H-pyrazolyl)-1H-benzo[d]-
imidazolyl)biphenylyl)urea
To a solution of the compound of Example 54(a) (100 mg, 0.261 mmol) in n-
butanol was added triethylamine (79 mg, 0.783 mmol, 3.0 eq.) followed by isocyanato-
cyclopentane (58 mg, 0.522 mmol, 2.0 eq.). The mixture was stirred for 1 h and then
quenched and extracted as in Example 1(d). The solvent was distilled off and the residue
was purified by preparative HPLC to give the product in 31 % yield (40 mg). H NMR
(300 MHz, DMSO-d ): δ 8.84 (br s, 1H), 8.71 (s, 1H), 8.22 (s, 1H),7.99 (d, 2H),7.88 (s,
1H), 7.82-7.78 (m, 2H), 7.73 (d, 1H), 7.68-7.63 (m, 2H), 7.48 (s, 1H), 7.36 (t, 2H), 6.4
(d, 1H), 4.1-3.8 (m, 1H), 3.88 (s, 3H), 1.89-1.83 (m, 2H), 1.69-1.5 (m, 4H), 1.45-1.38
(m, 2H); LC-MS (ESI): Calculated mass: 494.56; Observed mass: 494.8 [M+H] (rt:
1.51 min).
Example 59.
1-(4'-fluoro(5-(1-methyl-1H-pyrazolyl)-1H-benzo[d]imidazolyl)bi-
phenylyl)(1-methylpiperidinyl)urea
To a solution of the compound of Example 54(a) (50 mg, 0.13 mmol) in DCM
at 0 C was added phosgene (20 % in toluene) (0.1 ml, 0.195 mmol, 1.5 eq.) and the
mixture was stirred for 15 min at 0 C and 30 min at RT. 1-Methylpiperidinamine (18
mg, 0.156 mmol, 1.2 eq.) was added and the mixture was stirred for 16 h. The mixture
was quenched by the addition of water and extracted with 8 % methanol/DCM (3 × 50
ml). The combined organic layer was washed with water, brine and dried over sodium
sulphate. The solvent was distilled off and the residue was purified by preparative
HPLC to give the product in 44 % yield (30 mg). H NMR (300 MHz, DMSO-d ): δ
8.48 (s, 1H), 7.98 (s, 1H), 7.89-7.85 (m, 4H), 7.72-7.55 (m, 6H), 7.39 (s, 1H), 7.2 (t,
2H), 3.94 (s, 3H), 3.89-3.84 (m, 1H), 3.42-3.33 (m, 2H), 3.05-3.0 (m, 2H), 2.78 (s,
3H),2.17-2.13 (m, 2H), 1.85-1.81 (m, 2H); LC-MS (ESI): Calculated mass: 523.6;
Observed mass: 524 [M+H] (rt: 0.2 min).
Example 60.
1-(4'-fluoro(5-(1-methyl-1H-pyrazolyl)-1H-benzo[d]imidazolyl)bi-
phenylyl)(furanylmethyl)urea
The compound was prepared from the compound of Example 54(a) using the
procedures of Example 58. H NMR (300 MHz, CD OD): δ δ 9.1 (s, 1H), 8.1 (s, 1H),
8.02 (s, 2H), 7.93 (s, 1H), 7.85-7.81 (m, 2H), 7.74-7.67 (m, 3H), 7.53 (d, 1H), 7.44 (d,
1H), 7.22 (t, 2H), 6.37-6.34 (m ,1H), 6.3-6.29 (m, 1H), 4.42 (s, 2H), 3.95 (s, 3H); LC-
MS (ESI): Calculated mass: 506.53; Observed mass: 507.1 [M+H] (rt: 1.44 min).
Example 61.
1-(4'-fluoro(5-(1-methyl-1H-pyrazolyl)-1H-benzo[d]imidazolyl)bi-
phenylyl)((5-methylfuranyl)methyl)urea
The compound was prepared from the compound of Example 54(a) using the
procedures of Example 58. H NMR (300 MHz, CD OD): δ 9.51 (s, 1H), 8.1 (s, 1H),
8.02 (s, 2H), 7.93 (s, 1H), 7.85-7.73 (m, 4H), 7.65 (m, 1H), 7.53 (s, 1H), 7.22 (t, 2H),
6.2-6.14 (m ,1H), 5.9-5.81 (m, 1H), 4.38 (s, 2H), 3.95 (s, 3H), 2.26 (s, 3H); LC-MS
(ESI): Calculated mass: 520.56; Observed mass: 521.1 [M+H] (rt: 1.51 min).
Example 62.
N-(5-(5-(1-(2-(dimethylamino)ethyl)-1H-pyrazolyl)-1H-benzo[d]imidazol
yl)-4'-fluorobiphenylyl)acetamide
The compound was prepared from the compound of Example 53(e) using the
procedures of Example 53. H NMR (300 MHz, DMSO-d ): δ 10.42 (s, 1H), 8.98 (s,
1H), 8.37 (s, 1H), 8.14-8.06 (m, 3H), 7.85-7.75 (m, 4H), 7.68-7.66 (m, 2H), 7.38 (t,
2H), 4.57 (t, 2H), 3.65-3.63 (m, 2H), 2.85 (d, 6H), 2.13 (s, 3H); LC-MS (ESI):
Calculated mass: 482.55; Observed mass: 483.1 [M+H] (rt: 0.19 min).
Example 63.
N-(5-(5-(1-(2-(dimethylamino)ethyl)-1H-pyrazolyl)-1H-benzo[d]imidazol
yl)-4'-fluorobiphenylyl)methanesulfonamide
The compound was prepared from the compound of Example 62 using the
procedures of Example 54. H NMR (300 MHz, DMSO-d ): δ 10.27 (s, 1H), 8.87 (s,
1H), 8.37 (s, 1H), 8.14 (s, 1H), 8.06 (s, 1H), 7.84-7.8 (m, 2H), 7.76-7.64 (m, 3H), 7.55-
7.52 (m, 2H), 7.38 (t, 2H), 4.57 (t, 2H), 3.65-3.62 (m, 2H), 3.19 (s, 3H), 2.86 (d, 6H);
LC-MS (ESI): Calculated mass: 518.61; Observed mass: 519 [M+H] (rt: 0.22 min).
Example 64.
N-(5-(5-(1-(2-(dimethylamino)ethyl)-1H-pyrazolyl)-1H-benzo[d]imidazol
yl)-4'-fluorobiphenylyl)ethanesulfonamide
The compound was prepared from the compound of Example 62 using the
procedures of Example 54. H NMR (300 MHz, DMSO-d ): δ 10.29 (s, 1H), 8.77 (s,
1H), 8.35 (s, 1H), 8.13 (s, 1H), 8.06 (s, 1H), 7.83-7.78 (m, 2H), 7.72-7.63 (m, 3H), 7.54-
7.51 (m, 2H), 7.38 (t, 2H), 4.57 (t, 2H), .65-3.62 (m, 2H), 3.3 (quartet, 2H), 2.86 (d,
6H), 1.27 (t, 3H); LC-MS (ESI): Calculated mass: 532.63; Observed mass: 533 [M+H]
(rt: 0.25 min).
Example 65.
N-(5-(5-(1-(2-(dimethylamino)ethyl)-1H-pyrazolyl)-1H-benzo[d]imidazol
yl)-4'-fluorobiphenylyl)propanesulfonamide
The compound was prepared from the compound of Example 62 using the
procedures of Example 54. H NMR (300 MHz, DMSO-d ): δ 10.27 (s, 1H), 8.82 (s
1H), 8.36 (s, 1H), 8.14 (s, 1H), 8.06 (s, 1H), 7.83-7.79 (m, 2H), 7.71-7.65 (m, 3H), 7.56-
7.53 (m, 2H), 7.38 (t, 2H), 4.57 (t, 2H), 3.67-3.64 (m, 2H), 3.52-3.49 (m, 1H), 2.85 (d,
6H), 1.32 (d, 6H); LC-MS (ESI): Calculated mass: 546.66; Observed mass: 547.2
[M+H] (rt: 0.507 min).
Example 66.
N-(5-(5-(1-(2-(dimethylamino)ethyl)-1H-pyrazolyl)-1H-benzo[d]imidazol
yl)-4'-fluorobiphenylyl)cyclopropanesulfonamide
The compound was prepared from the compound of Example 62 using the
procedures of Example 54 and cyclopropane sulfonyl chloride. H NMR (300 MHz,
DMSO-d ): δ 10.26 (s, 1H), 8.84 (s, 1H), 8.36 (s, 1H), 8.14 (s, 1H), 8.06 (s, 1H), 7.82-
7.79 (m, 2H), 7.73-7.67 (m, 3H), 7.56 (d, 2H), 7.39 (t, 2H), 4.57 (t, 2H), 3.65-3.62 (m,
2H), 2.9-2.87 (m, 1H), 2.86 (d, 6H), 1.02 (d, 4H); LC-MS (ESI): Calculated mass:
544.64; Observed mass: 546.2 [M+H] (rt: 0.401 min).
Example 67.
N-(5-(5-(1-(2-(dimethylamino)ethyl)-1H-pyrazolyl)-1H-benzo[d]imidazol
yl)-4'-fluorobiphenylyl)benzenesulfonamide
The compound was prepared from the compound of Example 62 using the
procedures of Example 54. H NMR (300 MHz, DMSO-d ): δ 10.9 (s, 1H), 8.78 (s, 1H),
8.37 (s, 1H), 8.14 (s, 1H), 8.03 (s, 1H), 7.89 (d, 2H), 7.72-7.68 (m, 3H), 7.66-7.61 (m,
4H), 7.41-7.33 (m, 5H), 4.57 (t, 2H), 3.66-3.63 (m, 2H), 2.85 (d, 6H); LC-MS (ESI):
Calculated mass: 580.68; Observed mass: 581.1 [M+H] (rt: 0.781 min).
Example 68.
1-cyclopentyl(5-(5-(1-(2-(dimethylamino)ethyl)-1H-pyrazolyl)-1H-
benzo[d]imidazolyl)-4'-fluorobiphenylyl)urea
The compound was prepared from the compound of Example 62 using the
procedures of Example 58. H NMR (300 MHz, DMSO-d ): δ 9.33 (br s, 1H), 8.87 (s,
1H), 8.76 (s, 1H), 8.36 (s, 1H), 8.14 (s, 1H), 8.05 (s, 1H), 7.39 (m, 1H), 7.82-7.75 (m,
3H), 7.68-7.6 (m, 2H), 7.48 (m, 1H), 7.36 (t, 2H), 4.57 (t, 2H), 3.99-3.97 (m, 1H), 3.65-
3.62 (m, 2H), 2.86 (d, 6H), 1.89-1.82 (m, 2H), 1.7-1.53 (m, 4H), 1.45-1.37 (m, 2H); LC-
MS (ESI): Calculated mass: 551.66; Observed mass: 552.2 [M+H] (rt: 0.61 min).
Example 69.
N-(4'-fluoro(5-(6-methoxypyridinyl)-1H-benzo[d]imidazolyl)biphenyl-
3-yl)acetamide
The compound was prepared using the procedures of Example 53. H NMR (300
MHz, DMSO-d ): δ 10.41 (s, 1H), 8.96 (s, 1H), 8.58 (d, 1H), 8.15-8.07 (m, 3H), 7.91-
7.89 (m, 1H), 7.85-7.79 (m, 3H), 7.74-7.67 (m, 2H), 7.38 (t, 2H), 6.95 (d, 1H), 3.92 (s,
3H), 2.14 (s, 3H); LC-MS (ESI): Calculated mass: 452.48; Observed mass: 453.1
[M+H] (rt: 1.571 min).
Example 70.
N-(5-(5-(1H-pyrazolyl)-1H-benzo[d]imidazolyl)-4'-fluorobiphenylyl)-
acetamide
To a solution of the compound of Example 53(e) (1.0 g, 2.36 mmol) in DMF (5
ml) were added pyrazole (1.0 mg, 14.87 mmol, 6.3 eq.), copper(I) oxide (1.0 g, 7.08
mmol, 3.0 eq.) and cesium carbonate (3.0 g, 9.204 mmol, 3.9 eq.) and the mixture was
heated at 90 C for 48 h. The mixture was quenched and extracted as in Example 1(d).
The solvent was distilled off and the residue was purified by preparative HPLC to give
the product in 62 % yield (0.6 g). H NMR (300 MHz, DMSO-d ): δ 10.39 (s, 1H), 8.8
(s, 1H), 8.6 (d, 1H), 8.24 (d, 1H), 8.02 (s, 1H), 7.93-7.9 (m, 2H), 7.82-7.56 (m, 4H),
7.65 (d, 1H), 7.37 (t, 2H), 6.56 (t, 1H), 2.13 (s, 3H); LC-MS (ESI): Calculated mass:
411.43; Observed mass: 412.3 [M+H] (rt: 1.43 min).
Example 71.
N-(5-(5-(1H-pyrazolyl)-1H-benzo[d]imidazolyl)-4'-fluorobiphenylyl)-
methanesulfonamide
a) 5-(5-(1H-pyrazolyl)-1H-benzo[d]imidazolyl)-4'-fluorobiphenylamine
To a solution of the compound of Example 70 (0.6 g, 1.46 mmol) in ethanol (40
ml) was added aqueous solution of NaOH (1.0 g, 25 mmol, 17.1 eq.) and the mixture
was heated at 85 C for 5 h. The mixture was quenched and extracted as in Example
1(d). The combined organic layer was washed with water, brine and dried over sodium
sulphate. The solvent was distilled off to afford the product in 84 % yield (0.45 g).
b) N-(5-(5-(1H-pyrazolyl)-1H-benzo[d]imidazolyl)-4'-fluorobiphenyl
yl)methanesulfonamide
To a solution of the compound of Example 71(a) (150 mg, 0.406 mmol) in
DCM was added pyridine (0.5 ml, 6.21 mmol, 15.3 eq.) followed by methanesulfonyl
chloride (70 mg, 0.609 mmol, 1.5 eq.). The mixture was stirred for 1 h and quenched
and extracted as in Example 2(b). The solvent was distilled off and the residue was
purified by preparative HPLC to give the product in 17 % yield (30 mg). H NMR (300
MHz, DMSO-d ): δ 10.23 (s, 1H), 8.82 (s, 1H), 8.6 (d, 1H), 8.24 (d, 1H), 7.92 (dd, 1H),
7.85-7.8 (m, 3H), 7.76-7.71 (m, 2H), 7.54-7.53 (m, 2H), 7.38 (t, 2H), 6.56 (t, 1H), 3.19
(s, 3H); LC-MS (ESI): Calculated mass: 447.48; Observed mass: 449.1 [M+H] (rt:
1.575 min).
Example 72.
N-(5-(5-(1H-pyrazolyl)-1H-benzo[d]imidazolyl)-4'-fluorobiphenylyl)-
ethanesulfonamide
The compound was prepared from the compound of Example 70 using the
procedures of Example 71. H NMR (300 MHz, DMSO-d ): δ 10.3 (s, 1H), 8.81 (s, 1H),
8.6 (d, 1H), 8.24 (s, 1H), 7.93 (dd, 1H), 7.84-7.76 (m, 4H), 7.7-7.69 (m, 1H), 7.55-7.53
(m, 2H), 7.4-7.36 (m, 2H), 6.57-6.56 (m, 1H), 3.3 (quartet, 2H), 1.27 (t, 3H); LC-MS
(ESI): Calculated mass: 461.51; Observed mass: 462.1 [M+H] (rt: 1.563 min).
Example 73.
N-(3-(5-(1-methyl-1H-pyrazolyl)-1H-benzo[d]imidazolyl)(5-methyl-
furanyl)phenyl)acetamide
a) N-[3-(5-Methyl-furanyl)nitro-phenyl]-acetamide
To a solution of N-(3-bromonitrophenyl)acetamide of Example 1(c) (5 g,
19.23 mmol) in 1,2-dimethoxyethane (200 ml) were added 4,4,5,5-tetramethyl(5-
methylfuranyl)-1,3,2-dioxaborolane (5.9 g, 28.85 mmol), sodium carbonate (8.15 g,
76.92 mmol) and water (20 ml) and the mixture was degassed by N bubbling 15 min.
Pd(dppf)Cl (3.2 g, 3.846 mmol) was added and the mixture was heated at 100 C for 2
h. The mixture was brought to RT and quenched and extracted as in Example 1(d). The
solvent was distilled off and the residue was purified by flash column chromatography
(40 % ethyl acetate in hexanes) to afford the product in 80 % yield (4.0 g). H NMR
(300 MHz, DMSO-d ): δ 10.45 (s, 1H), 8.4 (s, 1H), 8.2 (d, 2H), 7.1 (s, 1H), 6.2 (s, 1H),
2.4 (s, 3H), 2.15 (s, 3H), Calculated mass: 260.25; Observed mass: 259.1 [M+H]
(rt:1.578 min).
b) N-[3-Amino(5-methyl-furanyl)-phenyl]-acetamide
To a solution of the compound of Example 73(a) (4.0g, 15.384 mmol) in
methanol (50 ml) was added 10 % palladium in carbon (500 mg) and the mixture was
stirred at RT under hydrogen atmosphere (balloon pressure) for 6 h. The mixture was
filtered over a pad of celite and washed with methanol. The solvent was evaporated to
afford the compound in 95 % yield (3.3 g). H NMR (300 MHz, DMSO-d ): δ 9.6 (s,
1H), 7.0 (d, 2H), 6.45 (d, 2H), 6.2 (s, 1H), 5.2 (s, 2H), 2.4 (s, 3H), 2.15 (s, 3H),
Calculated mass: 230.26; Observed mass: 231.2 [M+H] (rt: 0.212 min).
c) N-[3-(4-Bromonitro-phenylamino)(5-methyl-furanyl)-phenyl]-
acetamide
To a solution of the compound of Example 73(b) (5 g, 22.73 mmol) in
anhydrous DMF (25 ml), 4-bromofluoronitrobenzene (7.09 g, 27.3 mmol) and
potassium fluoride (1.32g, 22.73 mmol) were added. The mixture was stirred at 100 C
overnight. The mixture was brought to RT and DMF was removed under reduced
pressure. The residue was purified by flash column chromatography (50 % ethyl acetate
in hexanes) to give the compound in 65 % yield (6 g). H NMR (300 MHz, DMSO-d ):
δ 10.2 (s, 1H), 9.6 (s, 1H), 8.2 (s, 1H), 7.7 (s, 2H), 7.5 (m, 1H), 7.30 (s, 1H), 7.2 (s,
1H), 6.7 (d, 1H), 2.9 (s, 1H), 2.33 (s, 3H), 2.15 (s, 3H), Calculated mass: 430.25;
Observed mass: 432 [M+H] (rt: 1.85 min).
d) N-[3-(2-Aminobromo-phenylamino)(5-methyl-furanyl)-phenyl]-
acetamide
To a solution of the compound of Example 73(c) (6.0 g, 13.945 mmol) in
ethanol (100 ml) were added iron powder (500 mg) and 50 % aqueous calcium chloride
solution (10 ml). The mixture was stirred at 80 C for 2 h and filtered through a celite
pad. The celite pad was washed with ethyl acetate (200 ml). The combined organic layer
was washed with water, brine and dried over sodium sulphate. The solvent was distilled
off and the residue was purified by flash column chromatography (20 % ethyl acetate in
hexanes) to get the compound in 98 % yield (5.5 g). H NMR (300 MHz, DMSO-d ): δ
9.8 (s, 1H), 7.30 (d, 1H), 6.9 (m, 3H), 6.7 (m, 2H), 6.5 (d, 1H), 5.2 (s, 2H), 2.33 (s, 3H),
2.15 (s, 3H), Calculated mass: 400.27; Observed mass: 402 [M+H] (rt: 1.695 min).
e) N-(3-(5-bromo-1H-benzo[d]imidazolyl)(5-methylfuranyl)phenyl)-
acetamide
Formic acid (10 ml) was added to the compound of Example 73(d) (5 g, 12.49
mmol) at RT and then the mixture was heated at 100 C for 2 h. Formic acid was
removed and the residue was purified by flash column chromatography (3 % methanol
in chloroform) to afford the compound in 58 % yield (3.0 g). H NMR (300 MHz,
DMSO-d ): δ 10.3 (s, 1H), 8.7 (s, 1H), 8.0 (s, 1H), 7.9 (s, 2H), 7.6 (m, 2H), 7.5 (m, 1H),
7.0 (s, 1H), 6.3 (d, 1H), 2.33 (s, 3H), 2.15 (s, 3H), Calculated mass: 410.26; Observed
mass: 410.2 [M+H] (rt:1.616 min).
f) N-(3-(5-(1-methyl-1H-pyrazolyl)-1H-benzo[d]imidazolyl)(5-methyl-
furanyl)phenyl)acetamide
To a solution of the compound of Example 73(e) (100 mg, 0.244 mmmol) in
1,2-dimethoxyethane (10 ml), 1-methyl(4,4,5,5-tetramethyl-1,3,2-dioxaborolanyl)-
1H-pyrazole (0.043 g, 0.341 mmol), sodium carbonate (0.0755 g, 0.731 mmol) and
water (2.0 ml) were added and the mixture was degassed for 15 min by N bubbling.
Pd(PPh ) (0.0563 g, 0.0487 mmol) was added and the mixture was heated at 100 C for
2 h. The mixture was brought to RT and then quenched and extracted as in Example
1(d). The solvent was distilled off and the residue was purified by preparative HPLC to
afford the compound in 10 % yield (10 mg). H NMR (300 MHz, DMSO-d ): δ 10.2 (s,
1H), 8.6 (s, 1H), 8.4 (s, 1H), 7.8-8.1 (s, 4H), 7.6-7.7 (m, 4H), 7.0 (s, 1H), 6.3 (s, 1H),
3.9 (m, 1H), 2.4 (s, 3H), 2.15 (s, 4H), Calculated mass: 411.46; Observed mass: 412.1
[M+H] (rt: 0.809 min).
Example 74.
N-(3-(5-(1-methyl-1H-pyrazolyl)-1H-benzo[d]imidazolyl)(5-methyl-
furanyl)phenyl)ethanesulfonamide
a) 3-(5-(1-methyl-1H-pyrazolyl)-1H-benzo[d]imidazolyl)(5-methyl-
furanyl)aniline
A mixture of KOH (0.614 g,10.94 mmol) and the compound of Example 73 (3.0
g,7.29 mmol) in ethanol (5 ml) and water (2 ml) was heated at 60 C for 2 h. The
mixture was diluted with ethyl acetate (100 ml) and was washed with water (50 ml) and
brine (25 ml). The organic phase was dried over sodium sulfate and concentrated under
vacuum and the residue was purified by column chromatography to afford the product in
92 % yield (2.5 g).
b) N-(3-(5-(1-methyl-1H-pyrazolyl)-1H-benzo[d]imidazolyl)(5-methyl-
furanyl)phenyl)ethanesulfonamide
To a solution of the compound of Example 74(a) (0.1g,0.27 mmol) in pyridine
(1 ml) and DCM (2 ml) was added ethanesulfonyl chloride (0.1 ml) and the mixture was
stirred at RT for 12 h. The solvent was removed and the crude was purified by
preparative HPLC to afford the product in 24 % yield (0.03 g). H NMR (300 MHz,
CD OD): δ 9.2 (s, 1H), 8.1 (s, 1H), 8.0 (s, 1H), 7.95 (s, 1H), 7.6-7.7 (m, 4H), 7.5 (s,
1H), 6.8 (d, 1H), 6.2 (s, 1H), 4.0 (s, 3H), 3.3 (m, 2H), 2.4 (s, 3H), 1.4 (t, 3H). LC-MS
(ESI): Calculated mass: 461.54; Observed mass: 462.1 [M+H] (rt: 1.315 min).
Example 75.
N-(3-(5-(1-methyl-1H-pyrazolyl)-1H-benzo[d]imidazolyl)(5-methyl-
furanyl)phenyl)propanesulfonamide
The compound was prepared from the compound of Example 73 using the
procedures of Example 74. H NMR (300 MHz, CD OD): δ ; 8.5 (s, 1H), 8.0 (s, 1H),
7.95 (s, 1H), 7.9 (s, 1H), 7.6-7.7 (m, 5H), 7.5 (s, 1H), 6.8 (d, 1H), 6.2 (s, 1H), 4.0 (s,
3H), 3.5 (m, 1H), 2.4 (s, 3H), 1.5 (d, 6H). LC-MS (ESI): Calculated mass: 475.56;
Observed mass: 475.9 [M+H] (rt: 1.415 min).
Example 76.
N-(3-(5-(1-methyl-1H-pyrazolyl)-1H-benzo[d]imidazolyl)(5-methyl-
furanyl)phenyl)cyclopropanesulfonamide
The compound was prepared from the compound of Example 73 using the
procedures of Example 74 and cyclopropane sulfonyl chloride. H NMR (300 MHz,
CD OD): δ 8.5 (s, 1H), 8.0 (s, 1H), 7.95 (s, 1H), 7.9 (s, 1H), 7.6-7.7 (m, 4H), 7.5 (s,
1H), 6.8 (d, 1H), 6.2 (s, 1H), 4.0 (s, 3H), 2.4 (s, 3H), 1.0-1.5 (m, 4H). LC-MS (ESI):
Calculated mass: 473.55; Observed mass: 474.0 [M+H] (rt: 1.382 min).
Example 77.
N-(3-(5-(1-methyl-1H-pyrazolyl)-1H-benzo[d]imidazolyl)(5-methyl-
furanyl)phenyl)benzenesulfonamide
The compound was prepared from the compound of Example 73 using the
procedures of Example 74. Yield 0.03g, (25%), H NMR (300 MHz, CD OD): δ ; 8.55
(s, 1H), 8.05 (s, 1H), 7.9 (m, 4H), 7.6-7.7 (m, 5H), 7.5 (s, 2H),7.4 (d, 1H), 7.2 (t, 1H),
6.8 (d, 1H), 6.2 (s, 1H), 4.0 (s, 3H), 2.4 (s, 3H). LC-MS (ESI): Calculated mass:
509.58; Observed mass: 509.9 [M+H] (rt: 1.482 min).
Example 78.
1-(furanylmethyl)(3-(5-(1-methyl-1H-pyrazolyl)-1H-benzo[d]imidazol-
1-yl)(5-methylfuranyl)phenyl)urea
To a solution of the compound of Example 74(a) (0.1 g, 0.271 mmol) in DCM
(10 ml), at 0 C, were added phosgene (0.04 g, 0.406 mmol) and furfuryl amine (0.029
g, 0.2977 mmol) sequentially. The mixture was heated at 60 C for 2 h and the solvent
was evaporated and the residue was purified by preparative HPLC to give the
compound in 15 % yield (20 mg). H NMR (300 MHz, CD OD): δ 9.6 (s, 1H), 8.2 (s,
1H), 8.0 (s, 1H), 7.95 (s, 2H), 7.6-7.7 (m, 5H), 7.7 (s, 1H), 7.6 (s, 1H), 6.4 (s, 1H), 6.3
(d, 1H), 6.2 (s, 1H), 4.5 (s, 2H), 4.0 (s, 3H), 2.4 (s, 3H), LC-MS (ESI): Calculated
mass: 492.53; Observed mass: 493.1 [M+H] (rt: 1.415 min).
Example 79.
1-cyclopentyl(3-(5-(1-methyl-1H-pyrazolyl)-1H-benzo[d]imidazolyl)
(5-methylfuranyl)phenyl)urea
The compound was prepared from the compound of Example 74(a) using the
procedures of Example 78. H NMR (300 MHz, CD OD): δ 8.7 (s, 1H), 8.6 (s, 1H), 8.2
(s, 1H), 8.0 (s, 1H), 7.95 (s, 1H), 7.6-7.7 (m, 5H), 7.5 (s, 1H), 6.9 (d, 1H), 6.3 (s, 2H),
4.0 (s, 3H), 2.4 (s, 3H), 1.4-1.9 (m, 8H). LC-MS (ESI): Calculated mass: 480.56;
Observed mass: 481.2 [M+H] (rt: 1.517 min).
Example 80.
N-(3-(5-(1-methyl-1H-pyrazolyl)-1H-benzo[d]imidazolyl)(5-methyl-
furanyl)phenyl)morpholinecarboxamide
The compound was prepared from the compound of Example 74(a) using the
procedures of Example 78. H NMR (300 MHz, CD OD): δ 8.5 (s, 1H), 8.0 (s, 1H),
7.95 (s, 1H), 7.9 (s, 1H), 7.8 (s, 2H), 7.6-7.7 (m, 3H), 7.5 (s, 1H), 6.8 (d, 1H), 6.2 (s,
1H), 4.0 (s, 3H), 2.4 (s, 3H), 3.6 (t, 4H), 3.8 (t, 4H). LC-MS (ESI): Calculated mass:
482.53; Observed mass: 483.1 [M+H] (rt: 0.814 min).
Example 81.
N-(3-(5-(1-(2-hydroxyethyl)-1H-pyrazolyl)-1H-benzo[d]imidazolyl)(5-
methylfuranyl)phenyl)acetamide
The compound was prepared from the compound of Example 73(e) using the
procedures of Example 73. H NMR (300 MHz, DMSO-d ): δ 10.1 (s, 1H), 8.6 (s, 1H),
8.4 (s, 1H), 7.7-8.0 (m, 4H), 7.6 (m, 3H), 7.0 (d, 1H), 6.8 (d, 1H), 6.2 (d, 1H), 4.2 (t,
2H), 3.8 (t, 2H), 2.4 (s, 3H), 2.2 (s, 3H). LC-MS (ESI): Calculated mass: 441.48;
Observed mass: 442.1[M+H] (rt: 0.436 min).
Example 82.
N-(3-(5-(1-(2-(dimethylamino)ethyl)-1H-pyrazolyl)-1H-benzo[d]imidazol
yl)(5-methylfuranyl)phenyl)acetamide
The compound was prepared from the compound of Example 73(e) using the
procedures of Example 73. H NMR (300 MHz, CD OD): δ ; 9.5 (s, 1H), 8.3 (s, 1H),
8.1 (m, 3H), 7.95 (m, 4H), 7.7 (m, 1H), 6.8 (d, 1H), 6.2 (s, 1H), 4.20 (m, 2H), 3.7 (m,
2H), 3.0 (s, 6H), 2.4 (s, 3H), 2.2 (s, 3H). LC-MS (ESI): Calculated mass: 468.55;
Observed mass: 469.5 [M+H] (rt: 0.179 min).
Example 83.
N-(3-(5-methylfuranyl)(5-(1-(2-morpholinoethyl)-1H-pyrazolyl)-1H-
benzo[d]imidazolyl)phenyl)acetamide
The compound was prepared from the compound of Example 73(e) using the
procedures of Example 73. H NMR (300 MHz, CD OD): δ ; 9.5 (s, 1H), 8.3 (s, 1H),
8.1 (m, 3H), 7.95 (m, 3H), 7.7 (m, 1H), 6.8 (d, 1H), 6.2 (d, 1H), 4.70 (t, 2H), 4.0 (m,
3H), 3.7 (t, 2H), 3.50 (m, 3H), 2.4 (s, 4H), 2.2 (s, 4H). LC-MS (ESI): Calculated mass:
510; Observed mass: 511.2[M+H] (rt: 0.277min).
Example 84.
N-(3-(5-(1H-pyrazolyl)-1H-benzo[d]imidazolyl)(5-methylfuranyl)-
phenyl)acetamide
To a solution of the compound of Example 73(e) (0.1 g, 0.243 mmol) in DMF
(5 ml) were added pyrazole (0.022 g, 0.0317 mmol, 1.3 eq.), copper(I) oxide (0.01g, 0.1
eq.) and cesium carbonate (0.158g, 0.0487 mmol, 2.0 eq.) and the mixture was heated at
110 C for 48 h. The mixture was quenched and extracted as in Example 1(d). The
solvent was distilled off and the residue was purified by preparative HPLC to give the
product in 68 % yield (0.02 g). H NMR (300 MHz, DMSO-d ): δ ; 9.3 (s, 1H), 8.4 (s,
1H), 8.3 (s, 1H), 7.8-8.1 (m, 4H), 7.6-7.7 (m, 3H), 6.80 (d, 1H), 6.6 (t, 1H), 6.2 (d, 1H),
2.4 (s, 3H), 2.2 (s, 3H), LC-MS (ESI): Calculated mass: 397.43; Observed mass: 398.3
[M+H] (rt: 1.382 min).
Example 85.
N-(3-(5-(1H-imidazolyl)-1H-benzo[d]imidazolyl)(5-methylfuranyl)-
phenyl)acetamide
The compound was prepared from the compound of Example 73(e) using the
procedures of Example 84. H NMR (300 MHz, DMSO-d ): δ 9.5 (s, 1H), 9.0 (m, 1H),
8.2 (m, 2H), 8.0 (s, 2H), 7.8 (m, 4H), 7.6 (s, 1H), 6.80 (d, 1H), 6.2 (d, 1H), 2.4 (s, 3H),
2.2 (s, 3H), LC-MS (ESI): Calculated mass: 397.43; Observed mass: 398.3 [M+H] (rt:
0.179 min).
Example 86.
N-(3-(5-(4H-1,2,4-triazolyl)-1H-benzo[d]imidazolyl)(5-methylfuran
yl)phenyl)acetamide
The compound was prepared from the compound of Example 73(e) using the
procedures of Example 84. H NMR (300 MHz, DMSO-d ): δ ; 10.4 (s, 1H), 9.3 (s,
1H), 8.8 (s, 1H), 8.4 (d, 2H), 7.8-8.1 (m, 4H), 7.6 (s, 1H), 6.80 (d, 1H), 6.2 (d, 1H), 2.4
(s, 3H), 2.2 (s, 3H), LC-MS (ESI): Calculated mass: 398.42; Observed mass: 399.2
[M+H] (rt: 0.914 min).
Example 87.
N-(3-(5-(1-methyl-1H-pyrazolyl)-1H-benzo[d]imidazolyl)(1H-pyrrol
yl)phenyl)acetamide
a) 1-(3, 5-Dinitro-phenyl)-1H-pyrrole
A solution of 3,5-dinitroaniline (10 g, 54.644 mmol) and 2,5-dimethoxytetra-
hydrofuran (18.05 g, 136.61 mmol, 2.5 eq.) in acetic acid (122 ml) was heated to 100 C
for 16 h. Completion of reaction was monitored by TLC. Then the mixture was brought
to RT and poured into ice-cold water. The precipitate was filtered, washed with water
(150 ml) and dried to give the product in 54 % yield (8.2 g). LC-MS (ESI): Calculated
mass: 233.18; Observed mass: 233.04 [M+H] (rt: 1.667 min).
b) 3-Nitropyrrolyl-phenylamine
To a solution of 1-(3, 5-dinitro-phenyl)-1H-pyrrole (8.2 g, 35.19 mmol) and
pyridine (10 ml) in ethanol (100 ml), at 80 C, was added a 20 % aqueous solution of
ammonium sulfide (38.4 ml, 140.76 mmol, 4.0 eq.) in water (10 ml). The mixture was
stirred at the same temperature for 4 h. The the mixture was quenched with ice water
(200 ml) and the precipitated solid was filtered. The filtered solid was dried under
vacuum to afford the product in 98 % yield (7.0 g).
c) N-(3-Nitropyrrolyl-phenyl)-acetamide
Acetic anhydride (7.0 ml) was added to 3-nitropyrrolyl-phenylamine (7.0 g,
34.48 mmol). The mixture was stirred for 30 min at RT and subsequently quenched by
the addition of crushed ice. The precipitate formed was filtered and was washed with
cold water to obtain off-white solid. The solid was dried under high vacuum to give the
product in 89 % yield (7.52 g). LC-MS (ESI): Calculated mass: 245.23; Observed mass:
244.1 [M-H] (rt: 0.24 min).
d) N-(3-Aminopyrrolyl-phenyl)-acetamide
To a solution of N-(3-nitropyrrolyl-phenyl)acetamide (7.51 g, 30.61 mmol)
in ethanol (100 ml), were added iron powder (4.273 g, 76.53 mmol, 2.5 eq.) and a
solution of calcium chloride (8.49 g, 76.53 mmol, 2.5 eq.) in water (100 ml). The
mixture was stirred at 80 C for 2 h and then filtered through a pad of celite. The celite
pad was washed with ethyl acetate (200 ml) and the combined organic layer was washed
with water (100 ml) and brine (25 ml). The solvent was evaporated and the residue was
purified by column chromatography (20 % ethyl acetate in hexanes) to give the
compound in 87 % yield (5.7 g). H NMR (300 MHz, DMSO-d ): δ 9.9 (s, 1H), 8.25 (s,
1H), 7.8 (d, 1H), 7.6 (s, 1H), 7.05 (d, 1H), 6.8 (s, 1H), 6.5 (m, 1H), 6.3 (m, 1H), 5.15 (s,
2H), 2.02 (s, 3H).
e) N-(3-(4-bromonitrophenylamino)(1H-pyrrolyl) phenyl) acetamide
To a solution of N-(3-aminopyrrolyl-phenyl)acetamide (5 g, 23.23 mmol)
in anhydrous DMF (5 ml), 4-bromofluoronitrobenzene (5.11 g, 23.23 mmol) and
potassium fluoride (1.35 g, 23.23 mmol) were added. The mixture was stirred at 110 C
for overnight. Then the mixture was brought to RT and DMF was removed under
vacuum. Residue was subjected to flash column chromategraphy (50 % ethyl acetate in
hexanes) to get the compound in 63 % yield (6.1 g).
f) N-(3-(2-aminobromophenylamino)(1H-pyrrolyl) phenyl) acetamide
To a solution of the compound of Example 87(e) (6.0 g, 14.45 mmol) in ethanol
(50 ml), iron powder (2.02 g, 36.12 mmol, 2.5 eq.) and calcium chloride (4.01 g, 36.12
mmol, 2.5 eq.) with 50 ml water were added. The mixture was stirred at 80 C for 2 h
and then filtered through a pad of celite. The celite pad was washed with ethyl acetate
(100 ml) and the combined organic layer was washed with water (50 ml) and brine (25
ml). The solvent was evaporated and the residue was purified by column
chromatography (20 % ethyl acetate in hexanes) to give the compound in 86 % yield
(4.8 g). LC-MS (ESI): Calculated mass: 385.26; Observed mass: 385 [M+H] (rt: 1.659
min).
g) N-(3-(5-bromo-1H-benzo[d]imidazolyl)(1H-pyrrolyl) phenyl)
acetamide
Formic acid (12 ml) was added to the compound of Example 87(f) (4 g, 10.38
mmol) at RT and the mixture was heated at 100 C for 2 h. The formic acid was
removed under reduced pressure and the residue was purified over flash column
chromatography (3 % methanol in chloroform) to afford the product in 76 % yield (3.1
g). LC-MS (ESI): Calculated mass: 395.25; Observed mass: 396.8 [M+H] (RT: 1.55
min).
h) N-(3-(5-(1-methyl-1H-pyrazolyl)-1H-benzo[d]imidazolyl)(1H-pyrrol-
1-yl) phenyl) acetamide
To a solution of the compound of Example 87(g) (2.0 g, 5.06 mmol) in 1,2-
methoxyethane (50 ml), 1-methyl(4,4,5,5-tetramethyl-1,3,2-dioxaborolanyl)-1H-
pyrazole (1.58 g, 7.59 mmol, 1.5 eq.), sodium carbonate (1.34 g, 12.65 mmol, 2.5 eq.)
and water (5.0 ml) were added and the mixture was degassed for 15 min (N bubbling).
Pd(PPh ) (2.92 g, 2.53 mmol, 0.5 eq.) was added and the mixture was heated at 100 C
for 2 h. The mixture was quenched and extracted as in Example 1(d). The solvent was
distilled off and the residue was purified column chromatography afford the compound
in 60 % yield (1.2 g). H- NMR (300 MHz, CD OD): δ 8.53 (s, 1H), 8.0 (s, 1H), 7.9 (s,
1H), 7.82 (m, 2H), 7.79 (m, 1H), 7.7 (d, 1H), 7.6 (m, 1H), 7.48 (m, 1H), 7.29 (m, 2H),
6.31 (m, 2H), 3.95 (s, 3H), 2.15 (s, 3H); LC-MS (ESI): Calculated mass: 396.44;
Observed mass: 396.8 [M+H] (rt: 0.63 min).
Example 88.
N-(3-(5-(1-methyl-1H-pyrazolyl)-1H-benzo[d]imidazolyl)(1H-pyrrol
yl)phenyl)methanesulfonamide
a) 3-(5-(1-methyl-1H-pyrazolyl)-1H-benzo[d]imidazolyl)(1H-pyrrol
yl)aniline
A mixture of 20 % sodium hydroxide (5 ml) and the compound of Example 87
(1.15 g, 2.9 mmol) in 25 ml ethanol was heated at 100 C for 2 h. The mixture was
diluted with ethyl acetate (100 ml) and the organic layer was washed with water (50 ml)
and brine (25 ml). The solvent was removed under reduced pressure and the crude was
purified by column chromatography over silica gel to give the product in 68 % yield (0.7
b) N-(3-(5-(1-methyl-1H-pyrazolyl)-1H-benzo[d]imidazolyl)(1H-pyrrol-
1-yl) phenyl)methanesulfonamide
To a solution of the compound of Example 88(a) (70 mg, 0.198 mmol) in DCM
(1 ml) were added pyridine (0.5 ml) and methanesulfonyl chloride (27 mg, 0.237 mmol,
1.2 eq.) and the mixture was stirred at RT for 12 h. Pyridine was removed under reduced
pressure and the crude was purified by preparative HPLC to give the product in 12 %
yield (10 mg). H- NMR (300 MHz, DMSO-d ): δ: 10.2 (s, 1H), 8.7 (s, 1H), 8.21 (s,
1H), 7.99 (d, 2H), 7.7-7.61 (m, 3H), 7.45 (t, 2H), 7.38 (d, 2H), 6.33 (t, 2H), 3.88 (s, 3H),
3.2 (s, 3H); LC-MS (ESI): Calculated mass: 432.5; Observed mass: 433.1[M+H] (rt:
0.88 min).
Example 89.
N-(3-(5-(1-methyl-1H-pyrazolyl)-1H-benzo[d]imidazolyl)(1H-pyrrol
yl)phenyl)cyclopropanesulfonamide
The compound was prepared from the compound of Example 87 using the
procedures of Example 88 and cyclopropane sulfonyl chloride. H- NMR (300 MHz,
DMSO-d ): δ 10.2 (s, 1H), 8.71 (s, 1H), 8.2 (s, 1H), 7.99 (m, 1H), 7.95 (s, 1H), 7.68-
7.59 (m, 3H), 7.44-7.41 (m, 4H), 6.31 (m, 2H), 3.95 (s, 3H), 2.95 (m, 1H), 1.0 (m, 4H);
LC-MS (ESI): Calculated mass: 458.54; Observed mass: 459.2 [M+H] (rt: 1.29 min).
Example 90.
N-(3-(5-(1-methyl-1H-pyrazolyl)-1H-benzo[d]imidazolyl)(1H-pyrrol
yl)phenyl)benzenesulfonamide
The compound was prepared from the compound of Example 87 using the
procedures of Example 88. H- NMR (300 MHz, CD OD): δ 8.35 (s, 1H), 7.93 (s, 1H),
7.83-7.78 (m, 4H), 7.58-7.55 (m, 1H), 7.51-7.47 (m, 3H), 7.36 (t, 1H), 7.32 (d, 1H),
7.21 t, 1H), 7.14 (t, 1H), 7.12-7.11 (m, 2H), 6.22 (t, 2H), 3.9 (s, 3H); LC-MS (ESI):
Calculated mass: 494.57; Observed mass: 495 [M+H] (rt: 1.71 min).
Example 91.
1-(furanylmethyl)(3-(5-(1-methyl-1H-pyrazolyl)-1H-benzo[d]imidazol-
1-yl)(1H-pyrrolyl)phenyl)urea
To a solution of the compound of Example 88(a) (70 mg, 0.198 mmol) in DCM
(1 ml) at 0 C were added TEA (triethylamine) (0.055 ml, 0.396 mmol, 2.0 eq.) and 2-
(isocyanatomethyl)furan (29 mg, 0.237 mmol, 1.2 eq.). The mixture was stirred at RT
for 16 h. The solvent was removed under reduced pressure and the residue was purified
by preparative HPLC to afford the compound in 40 % yield (38 mg). H- NMR (300
MHz, CD OD): δ 9.0 (s, 1H), 8.07 (s, 1H), 7.97 (s, 1H), 7.92 (s, 1H), 7.81-7.74 (m,
3H), 7.63 (s, 1H), 7.44 (m, 2H), 7.3 (m, 2H), 6.36-6.31 (m, 4H), 4.41 (s, 2H), 3.96 (s,
3H); LC-MS (ESI): Calculated mass: 477.52; Observed mass: 478.1 [M+H] (rt: 1.393
min).
Example 92.
1-cyclopentyl(3-(5-(1-methyl-1H-pyrazolyl)-1H-benzo[d]imidazolyl)
(1H-pyrrolyl)phenyl)urea
The compound was prepared from the compound of Example 87 using the
procedures of Example 91. H- NMR (300 MHz, CD OD): δ 9.52 (s, 1H), 8.16 (s, 1H),
8.03 (s, 1H), 7.98 (s, 1H), 7.88-7.84 (m, 3H), 7.65 (s, 1H), 7.47 (s, 1H ), 7.3 (m, 2H),
6.35 (m, 2H), 4.1 (m, 1H), 3.95 (s, 3H), 2.05 (m, 2H), 1.8-1.6 (m, 4H), 1.51-1.48 (m,
2H); LC-MS (ESI): Calculated mass: 465.55; Observed mass: 466.1 [M+H] (rt: 1.45
min).
Example 93.
N-(3-(5-(1-(2-(dimethylamino)ethyl)-1H-pyrazolyl)-1H-benzo[d]imidazol
yl)(1H-pyrrolyl)phenyl)acetamide
The compound was prepared from the compound of Example 87(g) using the
procedures of Example 87. H- NMR (300 MHz, CD OD): δ 8.42 (s, 1H), 8.0 (s, 1H),
7.82-7.8 (m, 2H), 7.75 (s, 1H), 7.65 (s, 1H), 7.6 (d, 1H), 7.51 (d, 1H), 7.38 (s, 1H), 7.19
(m, 2H), 6.21 (m, 2H), 4.32 (t, 2H), 3.0 (t, 2H), 2.4 (s, 6H), 2.08 (s, 3H); LC-MS (ESI):
Calculated mass: 453.23; Observed mass: 453.9 [M+H] (rt: 0.112 min).
Example 94.
N-(3-(5-(1-(2-(dimethylamino)ethyl)-1H-pyrazolyl)-1H-benzo[d]imidazol
yl)(1H-pyrrolyl)phenyl)benzenesulfonamide
The compound was prepared from the compound of Example 93 using the
procedures of Example 88. H- NMR (300 MHz, DMSO-d ): δ 10.91 (s, 1H), 8.66 (s,
1H), 8.36 (s, 1H), 8.14 (s, 1H), 7.92 (s, 1H), 7.91-7.89 (m, 2H), 7.7-7.59 (m, 5H), 7.36-
7.29 (m, 4H), 7.22 (m, 1H), 6.32 (t, 2H), 4.57 (t, 2H), 3.64 (m, 2H), 2.86 (d, 6H); LC-
MS (ESI): Calculated mass: 551.66; Observed mass: 552.2 [M+H] (rt: 0.54 min).
Example 95.
N-(3-(5-(6-methoxypyridinyl)-1H-benzo[d]imidazolyl)(1H-pyrrolyl)-
phenyl)acetamide
The compound was prepared using the procedures of Example 87. H- NMR
(300 MHz, CD OD): δ 9.0 (s, 1H), 8.37 (d, 1H), 7.96 (dd, 1H), 7.92 (s, 1H), 7.89-7.87
(m, 1H), 7.78 (d, 1H), 7.71 (t, 2H), 7.68-7.65 (m, 1H), 7.49 (t, 1H), 7.2 (t, 2H), 6.85 (d,
1H), 6.25 (t, 2H), 3.89 (s, 3H), 2.1 (s, 3H); LC-MS (ESI): Calculated mass: 423.47;
Observed mass: 424.1[M+H] (rt: 1.518 min).
Example 96.
N-(3-(5-(1H-pyrazolyl)-1H-benzo[d]imidazolyl)(1H-pyrrolyl)-
phenyl)acetamide
To a solution of the compound of Example 87(g) (2.0 g, 5.06 mmol) in DMF
(50 ml) were added pyrazole (0.69 g, 10.12 mmol, 2.0 eq.), copper(I) oxide (0.145 g,
1.01 mmol, 0.2 eq.) and cesium carbonate (3.3 g, 10.12 mmol, 2.0 eq.) and the mixture
was heated at 110 C for 16 h. The mixture was quenched and extracted as in Example
1(d). The solvent was distilled off and the residue was purified by column chromato-
graphy to give the product in 78 % yield (1.5 g). H- NMR (300 MHz, DMSO-d ): δ
10.2 (s, 1H), 8.79 (s, 1H), 8.61 (d, 1H), 8.24 (d, 1H), 7.94-7.91 (m, 1H), 7.87-7.81 (m,
3H), 7.76 (d, 1H), 7.64-7.63 (m, 1H), 7.43-7.42 (m, 2H), 6.57 (t, 1H), 6.33 (m, 2H),
2.13 (s, 3H); LC-MS (ESI): Calculated mass: 382.42; Observed mass: 383.1 [M+H] (rt:
1.376 min).
Example 97.
N-(3-(5-(1H-pyrazolyl)-1H-benzo[d]imidazolyl)(1H-pyrrolyl)-
phenyl)ethanesulfonamide
a) 3-(5-(1H-pyrazolyl)-1H-benzo[d]imidazolyl)(1H-pyrrolyl)aniline
A mixture of 10 % NaOH (5 ml) and the compound of Example 96 (1.45 g, 3.79
C for 2 h. The mixture was diluted with
mmol) in 25 ml ethanol was heated at 100
ethyl acetate (100 ml) and the organic layer was washed with water (50 ml) and brine
(25 ml). The solvent was removed under reduced pressure and the residue was purified
by column chromatography over silica gel to give the product in 85 % yield (1.1 g).
b) N-(3-(5-(1H-pyrazolyl)-1H-benzo[d]imidazolyl)(1H-pyrrolyl)-
phenyl)ethanesulfonamide
To a solution of the compound of Example 97(a) (70 mg, 0.206 mmol) in DCM
(2 ml) were added pyridine (0.033 ml, 0.411 mmol, 2.0 eq.) and ethanesulfonyl chloride
(32 mg, 0.247 mmol, 1.2 eq.) and the mixture was stirred at RT for 12 h. Pyridine was
removed under reduced pressure and the residue was purified by preparative HPLC to
afford the product in 63 % yield (56 mg). H- NMR (300 MHz, DMSO-d ): δ 10.35 (s,
1H), 8.83 (s, 1H), 8.62 (d, 1H), 8.26 (d, 1H), 7.95 (dd, 1H), 7.82-7.78 (m, 2H), 7.69 (s,
1H), 7.46-7.42 (m, 4H), 6.58 (t, 1H), 6.35 (t, 2H), 3.34-3.32 (m, 2H), 1.28 (t, 3H); LC-
MS (ESI): Calculated mass: 432.5; Observed mass: 433.2 [M+H] (rt: 1.43 min).
Example 98.
N-(3-(5-(1H-pyrazolyl)-1H-benzo[d]imidazolyl)(1H-pyrrolyl)-
phenyl)propanesulfonamide
The compound was prepared from the compound of Example 96 using the
procedures of Example 87. H- NMR (300 MHz, DMSO-d ): δ 10.3 (s, 1H), 8.81 (s,
1H), 8.6 (d, 1H), 8.25 (d, 1H), 7.95-7.92 (m, 1H), 7.79-7.76 (m, 2H), 7.66 (m, 1H),
7.43 (m, 4H), 6.57-6.56 (m, 1H), 6.34-6.33 (m, 2H), 3.53-3.5 (m, 1H), 1.31 (d, 6H); LC-
MS (ESI): Calculated mass: 446.52: Observed mass: 447.2 [M+H] (rt: 1.5 min).
Example 99.
N-(3-(5-(1-methyl-1H-1,2,3-triazolyl)-1H-benzo[d]imidazolyl)(1H-
pyrrolyl)phenyl)acetamide
a) N-(3-(4-iodonitrophenylamino)(1H-pyrrolyl)phenyl)acetamide
A solution of N-(3-aminopyrrolyl-phenyl)acetamide of Example 87(d) (5.0
g, 18.72 mmol), 1-fluoroiodonitrobenzene (4.02 g, 18.72 mmol, 1.0 eq.) and
potassium fluoride (1.08 g, 18.72 mmol, 1.0 eq.) in DMF (30 ml) was heated at 130 C
for 5 h. The mixture was quenched and extracted as in Example 1(d). The solvent was
distilled off and the residue was purified by column chromatography (60-120 silica gel,
50 % ethyl acetate in hexane) to give the product in 49 % yield (4.3 g).
b) N-(3-((2-aminoiodophenyl)amino)(1H-pyrrolyl)phenyl)acetamide
To a solution of the compound of Example 99(a) (0.5 g, 1.08 mmol) in THF (30
ml) were added a solution of ammonium chloride (0.289 g, 5.41 mmol, 5 eq.) in water
(5 ml) and zinc (0.354 g, 5.41 mmol, 5 eq.). The mixture was stirred at RT for 0.5 h and
filtered. The filtrate was diluted with water and extracted as in Example 1(d). The
solvent was distilled off to afford the product in 75 % yield (0.35 g). H NMR (300
MHz, DMSO-d ): δ 9.88 (s, 1H), 7.38 (s, 1H), 7.19 (s, 1H), 7.09-7.06 (m, 3H), 6.84-6.8
(m, 3H), 6.51 (m, 1H), 6.22 (t, 2H), 5.04 (br s, 2H), 2.0 (s, 3H).
c) N-(3-(5-iodo-1H-benzo[d]imidazolyl)(1H-pyrrolyl) phenyl)
acetamide
A mixture of the compound of Example 99(b) (0.35 g, 0.81 mmol) and formic
acid (10 ml) was heated at 100 C for 30 min. The formic acid was distilled off under
reduced pressure and the residue was dissolved in ethyl acetate. The ethyl acetate layer
was washed with water, brine and dried over sodium sulphate. The solvent was distilled
off to afford the product in 84 % yield (0.3 g). H NMR, 300 MHz: (DMSO-d ): δ 10.4
(s, 1H), 8.7 (s, 1H), 8.18 (s, 1H), 7.82 (s, 2H), 7.67-7.54 (m, 3H), 7.4 (s, 2H), 6.32 (m,
2H), 2.05 (s, 3H).
d) N-(3-(1H-pyrrolyl)(5-((trimethylsilyl) ethynyl)-1H-benzo[d]imidazol
yl) phenyl) acetamide
A solution of the compound of Example 99(c) (3.0 g, 7.4 mmol) in DMF-Et N
(1:1; 60 ml) was degassed by N bubbling for 15 min. Pd(PPh ) (1.2g, 11.9 mmol, 0.1
2 3 4
eq.), copper(I) iodide (0.2 g, 11.9 mmol, 0.1 eq.) and ethynyltrimethylsilane (2.2 ml,
49.2 mmol, 2 eq.) were added sequentially and the mixture was stirred for 12 h at RT.
The mixture was quenched and extracted as in Example 1(d). The solvent was distilled
off and the residue was purified by column chromatography (60-120 silica gel, 60 %
ethyl acetate in hexane) to give the product in 71 % yield (2.0 g). H NMR, 300 MHz:
(DMSO-d ): δ 10.4 (s, 1H), 8.85 (s, 1H), 7.9-7.8 (m, 2H), 7.75-7.5 (m, 6H), 7.45 (t, 2H),
2.05 (s, 3H), 0.2 (s, 9H); LC-MS (ESI): Calculated mass: 412.56; Observed mass: 413
[M+H] (rt: 1.55 min).
e) N-(3-(5-ethynyl-1H-benzo[d]imidazolyl)(1H-pyrrolyl)phenyl)acet-
amide
To a solution of the compound of Example 99(d) (2.0g, 4.85 mmol) in THF at 0
C was added TBAF (1M in THF; 2.0 ml, 9.7 mmol, 2 eq.) and the mixture was stirred
for 0.5 h. The mixture was filtered over a pad of silica and distilled to give the product
in 96 % yield (1.6 g). LC-MS (ESI): Calculated mass: 340.38; Observed mass: 341.1
[M+H] (rt: 1.518 min).
f) N-(3-(5-(1-methyl-1H-1,2,3-triazolyl)-1H-benzo[d]imidazolyl)(1H-
pyrrolyl)phenyl)acetamide
A mixture of the compound of Example 99(e) (1.0g, 29.4 mmol), sodium azide
(0.19 g, 29.4 mmol, 1.0 eq.), methyl iodide (0.4 g, 29.4 mmol, 1.0 eq.), sodium
ascorbate (0.6g, 29.4 mmol, 1.0 eq.) and copper sulfate pentahydrate (0.36 g, 14.7
mmol, 0.5 eq.) in DMSO, DCM and water (1:1:1, 15:12:12 ml) was stirred for 12 h at
RT. The mixture was quenched with water and the precipitate formed was filtered and
dried to give the crude product which was purified by preparative HPLC to give the
product in 15 % yield (0.02 g). LC-MS (ESI): Calculated mass: 397.43; Observed mass:
398.1 [M+H] (rt: 0.453 min).
Example 100.
N-(3-(5-(1-methyl-1H-1,2,3-triazolyl)-1H-benzo[d]imidazolyl)(1H-
pyrrolyl)phenyl)methanesulfonamide
a) 3-(5-(1-methyl-1H-1,2,3-triazolyl)-1H-benzo[d]imidazolyl)(1H-
pyrrolyl)aniline
A mixture of 20 % sodium hydroxide (5 ml) and the compound of Example 99
(1.0 g, 2.52 mmol) in 10 ml ethanol was heated at 100 C for 3 h. The mixture was
diluted with ethyl acetate (100 ml) and the organic layer was washed with water (50 ml)
and brine (25 ml). The solvent was removed under reduced pressure and the residue was
purified by column chromatography over silica gel to afford the product in 73 % yield
(0.65 g). LC-MS (ESI): Calculated mass: 355.4; Observed mass: 356.3 [M+H] (rt: 0.49
min).
b) N-(3-(5-(1-methyl-1H-1,2,3-triazolyl)-1H-benzo[d]imidazolyl)(1H-
pyrrolyl)phenyl)methanesulfonamide
To a solution of the compound of Example 100(a) (100 mg, 0.281 mmol) in
DCM (5 ml) were added pyridine (45 mg, 0.563 mmol, 2.0 eq.) and methanesulfonyl
chloride (26 mg, 0.225 mmol, 0.8 eq.) and the mixture was stirred at RT for 12 h.
Pyridine was removed under reduced pressure and the residue was purified by
preparative HPLC to afford the product in 7 % yield (8 mg). H NMR, 300 MHz:
(DMSO-d ): δ 10.33 (s, 1H), 9.01 (s, 1H), 8.64 (s, 1H), 8.27 (s, 1H), 7.97-7.94 (m, 1H),
7.83 (d, 1H), 7.71 (s, 1H), 7.46-7.42 (m, 4H), 6.35-6.34 (m, 2H), 4.12 (s, 3H), 3.21 (s,
3H); LC-MS (ESI): Calculated mass: 433.49; Observed mass: 434.3 [M+H] (rt: 0.67
min).
Example 101.
N-(3-(5-(1-methyl-1H-1,2,3-triazolyl)-1H-benzo[d]imidazolyl)(1H-
pyrrolyl)phenyl)ethanesulfonamide
The compound was prepared from the compound of Example 99 using the
procedures of Example 100. H NMR, 300 MHz: (DMSO-d ): δ 10.37 (s, 1H), 8.97 (s,
1H), 8.63 (s, 1H), 8.26 (s, 1H), 7.95-7.93 (m, 1H), 7.8 (d, 1H), 7.67 (m, 1H), 7.45-7.42
(m, 4H), 6.34 (t, 2H), 4.2 (s, 3H), 2.4 (m, 2H), 1.2 (d, 3H); LC-MS (ESI): Calculated
mass: 447.51; Observed mass: 449.1 [M+H] (rt: 0.97 min).
Example 102.
N-(3-(5-(1-methyl-1H-1,2,3-triazolyl)-1H-benzo[d]imidazolyl)(1H-
pyrrolyl)phenyl)cyclopropanesulfonamide
The compound was prepared from the compound of Example 99 using the
procedures of Example 100 and cyclopropane sulfonyl chloride. H NMR, 300MHz:
(DMSO-d ): δ 10.3 (s, 1H), 8.8 (s, 1H), 8.61 (s, 1H), 8.25 (s, 1H), 7.91 (d, 1H), 7.78 (d,
1H), 7.69 (s, 1H), 7.46-7.43 (m, 4H), 6.34 (t, 2H), 4.12 (s, 3H), 2.94 (m, 1H), 1.04-1.02
(m, 4H); LC-MS (ESI): Calculated mass: 459.52; Observed mass: 460.1 [M+H] (rt:
1.22 min).
Example 103.
N-(3-(5-(1-methyl-1H-1,2,3-triazolyl)-1H-benzo[d]imidazolyl)(1H-
pyrrolyl)phenyl)benzenesulfonamide
The compound was prepared from the compound of Example 99 using the
procedures of Example 100. H NMR, 300 MHz: (DMSO-d ): δ 10.91 (s, 1H), 8.69 (s,
1H), 8.61 (s, 1H), 8.21 (s, 1H), 7.92-7.89 (m, 3H), 7.67-7.62 (m, 4H), 7.37-7.32 (m,
4H), 7.20 (s, 1H), 6.32 (d, 2H), 4.11 (s, 3H); LC-MS (ESI): Calculated mass:495.56;
Observed mass: 496.1 [M+H] (rt: 1.42 min).
Example 104.
1-(furanylmethyl)(3-(5-(1-methyl-1H-1,2,3-triazolyl)-1H-benzo[d]-
imidazolyl)(1H-pyrrolyl)phenyl)urea
To a solution of the compound of Example 100(a) (100 mg, 0.281 mmol) in
DCM (10 ml) at 0 C was added 2-(isocyanatomethyl)furan (35 mg, 0.281 mmol, 1.0
eq.) and the mixture was stirred at RT for 16 h. The solvent was removed under reduced
pressure and the residue was purified by preparative HPLC to give the compound in 13
% yield (18 mg). H NMR, 300 MHz: (DMSO-d ): δ 9.05 (s, 1H), 8.8 (s, 1H), 8.6 (s,
1H), 8.24 (s, 1H), 7.92-7.9 (m, 1H), 7.81 (d, 1H), 7.72-7.60 (m, 4H), 7.48-7.41 (m, 3H),
6.89 (t, 1H), 6.41 (m, 1H), 6.32-6.28 (m, 2H), 4.33 (d, 2H), 4.12 (s, 3H); LC-MS (ESI):
Calculated mass:478.51 ; Observed mass: 479.2 [M+H] (rt: 1.39 min).
Example 105.
N-(3-(5-(1-(2-morpholinoethyl)-1H-1,2,3-triazolyl)-1H-benzo[d]imidazol
yl)(1H-pyrrolyl)phenyl)acetamide
A mixture of the compound of Example 99(e) (100 mg, 0.294 mmol), 4-(2-
azidoethyl)morpholine (55 mg, 0.353 mmol, 1.2 eq.), sodium ascorbate (58 mg, 0.294
mmol, 1.0 eq.) and copper sulfate pentahydrate (37 mg, 0.147 mmol, 0.5 eq.) in DMSO,
DCM and water (1:1:1, 3 ml) was stirred for 12 h at RT. The mixture was quenched
with water and the precipitate formed was filtered and dried to give the crude product
which was purified by preparative HPLC to give the product in 7 % yield (10 mg). H
NMR, 300 MHz: (DMSO-d ): δ 10.46 (s, 1H), 8.83 (s, 1H), 8.73 (s, 1H), 8.28 (s, 1H),
7.92 (m, 2H), 7.84-7.81 (m, 2H), 7.63 (s, 1H), 7.43-7.42 (m, 2H), 6.34 (m, 2H), 4.82 (t,
2H), 4.01 (m, 4H), 3.7 (m, 2H), 2.51-2.43 (m, 4H), 2.05 (s, 3H); LC-MS (ESI):
Calculated mass: 496.56; Observed mass: 497 [M+H] (rt: 0.08 min).
Example 106.
N-(3-(5-(oxazolyl)-1H-benzo[d]imidazolyl)(1H-pyrrolyl)phenyl)-
acetamide
a) N-(3-(4-formylnitrophenylamino)(1H-pyrrolyl)phenyl)acetamide
A solution of the compound of Example 87(d) (5.5 g, 25.7 mmol), 4-fluoro
nitrobenzaldehyde of Intermediate Example 4 (3.86 g, 25.7 mmol, 1.0 eq.) and
potassium fluoride (1.49 g, 25.7 mmol, 1.0 eq.) in DMF (5 ml) was heated at 130 C for
4 h. The mixture was quenched and extracted as in Example 1(d). The solvent was
distilled off and the residue was purified by column chromatography (60-120 silica gel,
40 % ethyl acetate in hexane) to give the product in 38 % yield (3.58 g). H NMR (300
MHz, DMSO-d ): δ 10.05 (s, 1H), 9.86 (s, 1H), 8.71 (s, 1H), 7.95 (d, 1H), 7.67 (m, 2H),
7.50 (s, 1H), 7.32-7.29 (m, 5H), 6.29 (s, 1H), 2.08 (s, 3H).
b) N-(3-(2-nitro(oxazolyl)phenylamino)(1H-pyrrolyl)phenyl)acet-
amide
To a solution of the compound of Example 106(a) (2.5 g, 6.88 mmol) in
methanol (15 ml) was added potassium carbonate (1.04 g, 7.57 mmol, 1,1 eq.) and the
mixture was stirred for 10 min at RT. Toluenesulfonylmethyl isocyanide (1.48 g, 7.57
mmol, 1.1 eq.) was added and the mixture was refluxed for 4 h. The solvent was
distilled off and water was added to the crude. The mixture was extracted as in Example
1(d).. The solvent was distilled off and the residue was purified by column
chromatography (60-120 silica gel, 70% ethyl acetate in hexane) to give the product in
57 % yield (1.58 g). H NMR (300 MHz, DMSO-d ): δ 10.05 (d, 1H), 10.32 (d, 1H),
9.87 (s, 1H), 7.81 (s, 1H), 7.98-7.92 (m, 1H), 7.85-7.60 (m, 3H), 7.55 (s, 1H), 7.32-7.29
(m, 4H), 7.29 (s, 1H), 2.08 (s, 3H).
c) N-(3-(2-amino(oxazolyl)phenylamino)(1H-pyrrolyl)phenyl)acet-
amide
To a solution of the compound of Example 106(b) (1.58 g, 3.9 mmol) in
methanol (30 ml) and ethylacetate (15 ml) was added 10 % Pd/C (300 mg, 0.2 eq.) and
the reaction vessel was purged with nitrogen gas for 5 min. The mixture was then
hydrogenated with H balloon for 12 h. The mixture was filtered through a pad of celite
and the filtrate was concentrated to afford the compound in 68 % yield (1.0 g).
d) N-(3-(5-(oxazolyl)-1H-benzo[d]imidazolyl)(1H-pyrrolyl)phenyl)-
acetamide
A mixture of the compound of Example 106(c) (0.4 g, 1.07 mmol) and formic
acid (4 ml) was heated at 100 C for 30 min. The formic acid was distilled off and the
residue was dissolved in ethyl acetate. The ethyl acetate layer was washed with water,
brine and dried over sodium sulphate. The solvent was distilled off and the residue was
purified by preparative HPLC to give the product in 12 % yield (50 mg). H NMR (300
MHz, DMSO-d ): δ 10.43 (s, 1H), 8.84 (s, 1H), 8.47 (s, 1H), 8.17 (s, 1H), 7.87-7.77 (m,
5H), 7.63 (s, 1H), 7.42 (t, 2H), 6.34 (t, 2H), 2.13 (s, 3H); LC-MS (ESI): Calculated
mass: 383.40; Observed mass: 384.1 [M+H] (rt: 1.108 min).
Example 107.
N-(3-(5-(oxazolyl)-1H-benzo[d]imidazolyl)(1H-pyrrolyl)phenyl)-
propanesulfonamide
a) 3-(5-(oxazolyl)-1H-benzo[d]imidazolyl)(1H-pyrrolyl)aniline
To a solution of the compound of Example 106 (800 mg, 2.1 mmol) in ethanol
(15 ml) was added aqueous solution of NaOH (0.72 g, 18.06 mmol, 8.6 eq.) and the
mixture was heated at 85 C for 5 h. The mixture was quenched and extracted as in
Example 1(d). The solvent was distilled off to afford the product in 70 % yield (0.5 g).
b) N-(3-(5-(oxazolyl)-1H-benzo[d]imidazolyl)(1H-pyrrolyl)phenyl)-
propanesulfonamide
To a solution of the compound of Example 107(a) (80 mg, 0.23 mmol) in DCM
(2 ml) was added pyridine (37 mg, 0.47 mmol, 2.0 eq.) followed by propanesulfonyl
chloride (39 mg, 0.28 mmol, 1.2 eq.). The mixture was stirred for 1 h and quenched and
extracted as in Example 2(b). The solvent was distilled off and the residue was purified
by preparative HPLC to give the product in 14 % yield (14 mg). H NMR (300 MHz,
DMSO-d ): δ 10.29 (s, 1H), 8.80 (s, 1H), 8.46 (s, 1H), 8.17 (s, 1H), 7.82-7.86 (m, 3H),
7.68 (s, 1H), 7.46-7.40 (m, 4H), 6.34 (t, 2H), 3.30 (m, 1H), 2.51-2.50 (m, 6H); LC-MS
(ESI): Calculated mass: 447.51; Observed mass: 448.1 [M+H] (rt: 2.001 min).
Example 108.
N-(3-(5-(oxazolyl)-1H-benzo[d]imidazolyl)(1H-pyrrolyl)phenyl)-
cyclopropanesulfonamide
The compound was prepared from the compound of Example 106 using the
procedures of Example 107 and cyclopropane sulfonyl chloride. H NMR (300 MHz,
DMSO-d ): δ 10.35 (s, 1H), 8.87 (s, 1H), 8.52 (s, 1H), 8.22 (s, 1H), 7.82 (d, 3H), 7.74-
7.35 (m, 1H), 7.5-7.45 (m, 4H), 6.39 (t, 2H), 3.04-2.95 (m, 1H), 1.08-1.07 (m, 4H); LC-
MS (ESI): Calculated mass: 445.49; Observed mass: 446.1 [M+H] (rt: 1.43 min).
Example 109.
N-(3-(5-(1-methyl-1H-pyrazolyl)-1H-benzo[d]imidazolyl)(1H-pyrrol
yl)phenyl)ethanesulfonamide
The compound was prepared from the compound of Example 87 using the
procedures of Example 88. H NMR (300 MHz, DMSO-d ): δ 10.3 (s, 1H), 8.67 (s, 1H),
8.2 (s, 1H), 8.0 (s, 1H), 7.95 (s, 1H), 7.67-7.61 (m, 3H), 7.43-7.39 (m, 4H), 6.38 (s, 2H),
3.88 (s, 3H), 3.32 (quartet, 2H), 1.27 (t, 3H); LC-MS (ESI): Calculated mass: 446.52;
Observed mass: 447.1 [M+H] (rt: 1.25 min).
Example 110.
N-(3-(5-(1-methyl-1H-pyrazolyl)-1H-benzo[d]imidazolyl)(1H-pyrrol
yl)phenyl)propanesulfonamide
The compound was prepared from the compound of Example 87 using the
procedures of Example 88. H NMR (400 MHz, DMSO-d ): δ 10.34 (s, 1H), 8.89 (s,
1H), 8.23 (s, 1H), 8.01 (s, 1H), 7.97 (s, 1H), 7.69-7.65 (m, 3H), 7.44-7.41 (m, 4H), 7.64
(d, 2H), 3.89 (s, 3H), 3.51-3.50 (m, 1H), 1.31 (d, 6H); LC-MS (ESI): Calculated mass:
460.55; Observed mass: 461.1 [M+H] (rt: 1.377 min).
Example 111.
N-(3-(5-(1-cyclopentyl-1H-pyrazolyl)-1H-benzo[d]imidazolyl)(1H-
pyrrolyl)phenyl)acetamide
The compound was prepared using the procedures of Example 87. H NMR (300
MHz DMSO-d ): δ 10.45 (s, 1H), 8.96 (s, 1H), 8.34 (s, 1H), 8.04 (s, 1H), 7.98 (s, 1H),
7.91 (s, 1H), 7.83 (s, 1H), 7.72-7.68 (m, 2H), 7.64 (s, 1H), 7.42 (t, 2H), 6.34 (t, 2H),
4.68-4.57 (m, 1H), 2.14 (s, 3H), 2.08-1.93 (m, 4H), 1.87-1.73 (m, 2H), 1.72-1.60 (m,
2H); LC-MS (ESI): Calculated mass: 450.53; Observed mass: 451.2 [M+H] (rt: 1.509
min).
Example 112.
N-(3-(5-(1-(3-hydroxymethylbutyl)-1H-1,2,3-triazolyl)-1H-benzo[d]-
imidazolyl)(1H-pyrrolyl)phenyl)acetamide
A mixture of the compound of Example 99(e) (0.3 g, 0.88 mmol), 4-azido
methylbutanol of Intermediate Example 6 (0.17 g, 1.06 mmol, 1.2 eq.), sodium-(L)-
ascorbate (0.17 g, 0.88 mmol, 1.0 eq.) and copper sulfate pentahydrate (0.11 g, 0.44
mmol, 0.5 eq.) in DCM (2 ml), DMSO (2 ml) and water (2 ml) was stirred for 12 h at
RT. The mixture was quenched with water and the precipitate was filtered and dried.
The crude product was purified by preparative HPLC to give the product in 48 % yield
(0.2 g). H NMR (300 MHz, DMSO-d ): δ 10.42 (s, 1H), 8.86 (s, 1H), 8.68 (s, 1H), 8.23
(s, 1H), 7.93-7.77 (m, 4H), 7.62 (s, 1H), 7.40 (t, 2H), 6.31 (t, 2H), 4.70 (t, 2H), 3.40 (br
s, 1H), 2.48 (t, 2H), 2.11 (s, 3H), 1.16 (s, 6H); LC-MS (ESI): Calculated mass: 469.54;
Observed mass: 470.2 [M+H] (rt: 0.666 min).
Example 113.
N-(3-(5-(1-(3-hydroxymethylbutyl)-1H-1,2,3-triazolyl)-1H-benzo[d]-
imidazolyl)(1H-pyrrolyl)phenyl)ethanesulfonamide
a) 4-(4-(1-(3-amino(1H-pyrrolyl)phenyl)-1H-benzo[d]imidazolyl)-1H-
1,2,3-triazolyl)methylbutanol
To a solution of the compound of Example 112 (150 mg, 0.32 mmol) in ethanol
(10 ml) was added aqueous solution of NaOH (160 mg, 4 mmol, 12.5 eq.) and the
mixture was heated at 80 C for 2 h. The mixture was quenched and extracted as in
Example 1(d). The solvent was distilled off to afford the product in 58 % yield (80 mg).
b) N-(3-(5-(1-(3-hydroxymethylbutyl)-1H-1,2,3-triazolyl)-1H-benzo[d]-
imidazolyl)(1H-pyrrolyl)phenyl)ethanesulfonamide
To a solution of the compound of Example 113(a) (100 mg, 0.234 mmol) in
DCM (5 ml) was added pyridine (36 mg, 0.47 mmol, 2 eq.) followed by ethanesulfonyl
chloride (23 mg, 0.187 mmol, 0.8 eq.). The mixture was stirred for 2 h and quenched
and extracted as in Example 2(b). The solvent was distilled off and the residue was
purified by preparative HPLC to give the product in 10 % yield (12 mg). H NMR (300
MHz, DMSO-d ): δ 10.35 (s, 1H), 8.88 (s, 1H), 8.70 (s, 1H), 8.25 (s, 1H), 7.93 (dd, 1H),
7.78 (d, 1H), 7.68 (m, 1H), 7.45-7.41 (m, 4H), 6.34 (t, 2H), 4.52-4.46 (m, 2H) 3.37-3.30
(m, 5H), 1.27 (t, 3H), 1.18 (s, 6H); LC-MS (ESI): Calculated mass: 519.62; Observed
mass: 520.2 [M+H] (rt: 1.17 min).
Example 114.
N-(3-(5-(1-methyl-1H-pyrazolyl)-1H-benzo[d]imidazolyl)(1H-pyrazol-
1-yl)phenyl)acetamide
a) N-(3-nitro(1H-pyrazolyl)phenyl)acetamide
To a solution of N-(3-bromonitrophenyl)acetamide of Example 1(c) (10 g,
38.6 mmol) in DMF (100 ml) were added pyrazole (5.26 g, 77.2 mmol, 2.0 eq.),
copper(I) oxide (1.104 g, 7.72 mmol, 0.2 eq.) and cesium carbonate (25.15 g, 77.2
mmol, 2.0 eq.) and the mixture was heated at 120 C for 16 h. The mixture was
quenched and extracted as in Example 1(d). The solvent was distilled off and the residue
was purified by column chromatography over silica gel (30 % ethyl acetate in hexane) to
afford the compound in 86 % yield (8.2 g). H NMR (300 MHz, DMSO-d ): δ 10.62 (s,
1H), 8.7 (d, 1H), 8.5-8.48 (m, 2H), 8.32 (t, 1H), 7.84 (d, 1H), 6.62 (t, 1H), 2.08 (s, 3H);
LC-MS (ESI): Calculated mass: 246.22; Observed mass: 247.1 [M+H] (rt: 0.6 min).
b) N-(3-amino(1H-pyrazolyl)phenyl)acetamide
To a solution of the compound of Example 114(a) (8.2 g, 33.3 mmol) in ethanol
(70 ml) were added iron powder (3.72 g, 66.6 mmol, 2.0 eq.) and 50 % aqueous calcium
chloride solution (15 ml). The mixture was stirred at 100 C for 4 h. The mixture was
quenched and extracted as in Example 1(d). The solvent was distilled off and the residue
was purified by column chromatography over silica gel to afford the compound in 99 %
yield (7.1 g). LC-MS (ESI): Calculated mass: 216.24; Observed mass: 217 [M+H] (rt:
0.12 min).
c) N-(3-((4-bromonitrophenyl)amino)(1H-pyrazolyl)phenyl)acetamide
A solution of the compound of Example 114(b) (6.97 g, 32.23 mmol), 4-bromo-
1-fluoronitrobenzene (7.09 g, 32.23 mmol, 1.0 eq.) and potassium fluoride (1.87 g,
32.23 mmol, 1.0 eq.) in DMF was heated at 150 C for 4 h. The mixture was quenched
and extracted as in Example 2(b). The solvent was distilled off to give the crude residue
which was purified by column chromatography over silica gel to give the compound in
75 % yield (10 g). LC-MS (ESI): Calculated mass: 416.23; Observed mass: 417 [M+H]
(rt: 1.65 min).
d) N-(3-((2-aminobromophenyl)amino)(1H-pyrazolyl)phenyl)acetamide
To a solution of the compound of Example 114(c) (10 g, 24.03 mmol) in ethanol
(70 ml) were added iron powder (2.68 g, 48.05 mmol, 2.0 eq.) and 50 % aqueous
calcium chloride solution (20 ml). The mixture was stirred at 100 C for 4 h. The
mixture was quenched and extracted as in Example 1(d). The solvent was distilled off
and the residue was used without purification in the next step.
e) N-(3-(5-bromo-1H-benzo[d]imidazolyl)(1H-pyrazolyl)phenyl)acet-
amide
A mixture of the compound of Example 114(d) (crude from previous step) and
formic acid (20 ml) was heated at 100 C for 30 min. The formic acid was distilled off
and the crude was dissolved in ethyl acetate. The ethyl acetate layer was washed with
water, brine and dried over sodium sulphate. The solvent was distilled off to afford the
product in 84 % yield (8.0 g). H NMR (300 MHz, DMSO-d ): δ 8.72 (s, 1H), 8.57 (d,
1H), 8.22 (m, 1H), 8.11 (s, 1H), 8.01 (d, 1H), 7.87-7.79 (m, 3H), 7.66 (d, 1H), 7.51 (dd,
1H), 6.58 (t, 1H), 2.1 (s, 3H); LC-MS (ESI): Calculated mass: 396.24; Observed mass:
397 [M+H] (rt: 1.38 min).
f) N-(3-(5-(1-methyl-1H-pyrazolyl)-1H-benzo[d]imidazolyl)(1H-
pyrazolyl)phenyl)acetamide
A solution of the compound of Example 114(e) (8.0 g, 20.19 mmol) in 1,2-
dimethoxyethane (100 ml) was degassed by N bubbling for 5 min. 1-Methyl(4,4,5,5-
tetramethyl-1,3,2-dioxaborolanyl)-1H-pyrazole (6.3 g, 30.29 mmol, 1.5 eq.) was
added and the mixture was degassed for another 5 min. Pd(PPh ) (4.67 g, 4.04 mmol,
0.2 eq.) and aqueous sodium carbonate (5.35 g, 50.5 mmol, 2.5 eq.) were added and the
procedure of Example 1(d) was followed. The crude residue of the product was purified
by column chromatography over silica gel to afford the compound in 62 % yield (5.0 g).
H NMR (300 MHz, CD OD): δ 9.21 (s, 1H), 8.35 (d, 1H), 8.13-8.08 (m, 3H), 8.0 (s,
1H), 7.94 (s, 1H), 7.88-7.76 (m, 4H), 6.73-6.69 (m, 1H), 3.98 (s, 3H), 2.23 (s, 3H), LC-
MS (ESI): Calculated mass: 397.43; Observed mass: 398.1 [M+H] (rt: 0.26 min).
Example 115.
N-(3-(5-(1-methyl-1H-pyrazolyl)-1H-benzo[d]imidazolyl)(1H-pyrazol-
1-yl)phenyl)methanesulfonamide
a) 3-(5-(1-methyl-1H-pyrazolyl)-1H-benzo[d]imidazolyl)(1H-pyrazol
yl)aniline
To a solution of the compound of Example 114 (4.0 g, 10.06 mmol) in ethanol
(25 ml) was added 20 % aqueous solution of NaOH (5 ml) and the reaction was heated
at 100 C for 2 h. The mixture was quenched and extracted as in Example 1(d). The
solvent was distilled off to afford the product in 78 % yield (2.8 g).
b) N-(3-(5-(1-methyl-1H-pyrazolyl)-1H-benzo[d]imidazolyl)(1H-
pyrazolyl)phenyl)methanesulfonamide
To a solution of the compound of Example 115(a) (50 mg, 0.14 mmol) in DCM
was added pyridine (22 mg, 0.28 mmol, 2.0 eq.) followed by methanesulfonyl chloride
(19 mg, 0.169 mmol, 1.2 eq.). The mixture was stirred for 1 h and quenched and
extracted as in Example 2(b). The solvent was distilled off and the residue was purified
by preparative HPLC to give the product in 20 % yield (12 mg). H NMR (300 MHz,
CD OD): δ 8.68 (s, 1H), 8.35 (d, 1H), 8.02 (s, 1H), 7.92 (s, 1H), 7.87 (s, 1H), 7.84-7.81
(m, 1H), 7.77-7.73 (m, 2H), 7.71 (s, 1H), 7.67-7.63 (m, 1H), 7.5-7.48 (m, 1H), 6.58-
6.55 (m, 1H), 3.93 (s, 3H), 3.12 (s, 3H); LC-MS (ESI): Calculated mass: 433.49;
Observed mass: 434.1 [M+H] (rt: 0.35 min).
Example 116.
N-(3-(5-(1-methyl-1H-pyrazolyl)-1H-benzo[d]imidazolyl)(1H-pyrazol-
1-yl)phenyl)propanesulfonamide
The compound was prepared from the compound of Example 114 using the
procedures of Example 115. H NMR (300 MHz, CD OD): δ 8.65 (s, 1H), 8.37 (d, 1H),
8.05 (s, 1H), 7.96 (s, 1H), 7.91 (s, 1H), 7.81 (m, 3H), 7.76-7.74 (m, 1H), 7.69-7.67 (m,
1H), 7.55-7.54 (m, 1H), 6.61-6.6 (m, 1H), 3.95 (s, 3H), 3.54-3.49 (m, 1H), 1.43 (d, 6H);
LC-MS (ESI): Calculated mass: 461.54; Observed mass: 462.1 [M+H] (rt: 0.7 min).
Example 117.
N-(3-(5-(1-methyl-1H-pyrazolyl)-1H-benzo[d]imidazolyl)(1H-pyrazol-
1-yl)phenyl)cyclopropanesulfonamide
The compound was prepared from the compound of Example 114 using the
procedures of Example 115 and cyclopropane sulfonyl chloride. H NMR (300 MHz,
CD OD): δ 8.54 (s, 1H), 8.37 (d, 1H), 8.02 (s, 1H), 7.93 (d, 1H), 7.88 (s, 1H), 7.82-7.8
(m, 3H), 7.72 (d, 1H), 7.65-7.62 (m, 1H), 7.53-7.52 (m, 1H), 6.6-6.59 (m, 1H), 3.95 (s,
3H), 2.81-2.78 (m, 1H), 1.18-1.15 (m, 2H), 1.09-1.04 (m, 2H); LC-MS (ESI):
Calculated mass: 459.52; Observed mass: 460.1 [M+H] (rt: 0.58 min).
Example 118.
N-(3-(5-(1-methyl-1H-pyrazolyl)-1H-benzo[d]imidazolyl)(1H-pyrazol-
1-yl)phenyl)benzenesulfonamide
The compound was prepared from the compound of Example 114 using the
procedures of Example 115. H NMR (300 MHz, CD OD): δ 9.2 (s, 1H), 8.29 (d, 1H),
8.12 (s, 1H), 8.0 (s, 1H), 7.96-7.93 (m, 3H), 7.83-7.75 (m, 4H), 7.69-7.65 (m, 1H), 7.61-
7.54 (m, 3H), 7.45 (t, 1H), 6.58 (m, 1H), 3.98 (s, 3H); LC-MS (ESI): Calculated mass:
495.56; Observed mass: 496.2 [M+H] (rt: 1.28 min).
Example 119.
N-(3-(5-(1-methyl-1H-pyrazolyl)-1H-benzo[d]imidazolyl)(1H-pyrazol-
1-yl)phenyl)piperidinesulfonamide
The compound was prepared from the compound of Example 114 using the
procedures of Example 115. H NMR (300 MHz, CD OD): δ 8.92 (s, 1H), 8.3 (d, 1H),
8.06 (s, 1H), 8.0 (s, 1H), 7.95 (s, 1H), 7.88 (s, 1H), 7.77-7.69 (m, 5H), 7.45 (m, 1H),
6.56 (m, 1H), 3.92 (s, 3H), 3.28-3.27 (m, 4H), 1.6-1.49 (m, 6H); LC-MS (ESI):
Calculated mass: 502.59; Observed mass: 503.1 [M+H] (rt: 0.1.33 min).
Example 120.
1-(furanylmethyl)(3-(5-(1-methyl-1H-pyrazolyl)-1H-benzo[d]imidazol-
1-yl)(1H-pyrazolyl)phenyl)urea
To a solution of the compound of Example 115(a) (50 mg, 0.141 mmol) in
DCM (1 ml) at 0 C were added TEA (29 mg, 0.281 mmol, 2.0 eq.) and 2-(isocyanato-
methyl)furan (21 mg, 0.169 mmol, 1.2 eq.) and the mixture was stirred at RT for 16 h.
The solvent was removed under reduced pressure and the residue was purified by
preparative HPLC to afford the compound in 15 % yield (10 mg). H NMR (300 MHz,
CD OD): δ 9.16 (s, 1H), 8.35 (d, 1H), 8.1 (s, 1H), 8.0 (s, 1H), 7.95-7.94 (m, 2H), 7.91
(m, 1H), 7.87 (d, 1H), 7.8-7.78 (m, 2H), 7.75-7.74 (m, 1H), 7.46 (d, 1H), 6.6-6.59 (m,
1H), 6.38-6.37 (m, 1H), 6.31-6.3 (m, 1H), 4.43 (s, 2H), 3.98 (s, 3H); LC-MS (ESI):
Calculated mass: 478.51; Observed mass: 479.0 [M+H] (rt: 0.72 min).
Example 121.
1-(4-fluorophenyl)(3-(5-(1-methyl-1H-pyrazolyl)-1H-benzo[d]imidazol
yl)(1H-pyrazolyl)phenyl)urea
The compound was prepared using the procedures of Example 120. H NMR
(300 MHz, CD OD): δ 9.7 (s, 1H), 9.3 (s, 1H), 8.67 (s, 1H), 8.62 (d, 1H), 8.21 (s, 1H),
8.06 (s, 1H), 8.0 (s, 1H), 7.95 (s, 1H), 7.83-7.81 (m, 2H), 7.75-7.71 (m, 2H), 7.63-7.6
(m, 1H), 7.52-7.49 (m, 2H), 7.15 (t, 2H), 6.61-6.6 (m, 1H), 3.88 (s, 3H); LC-MS (ESI):
Calculated mass: 492.51; Observed mass: 493.2 [M+H] (rt: 1.37 min).
Example 122.
N-(3-(5-(1H-pyrazolyl)-1H-benzo[d]imidazolyl)(1H-pyrazolyl)-
phenyl)acetamide
To a solution of the compound of Example 114(e) (200 mg, 0.505 mmol) in
DMF (20 ml) were added pyrazole (41 mg, 0.606 mmol, 1.2 eq.), copper(I) oxide (0.7
mg, 0.0051 mmol, 0.01 eq.) and cesium carbonate (329 mg, 1.01 mmol, 2.0 eq.) and the
mixture was heated at 110 C for 12 h. The mixture was quenched and extracted as in
Example 1(d). The solvent was distilled off and the residue was purified by preparative
HPLC to give the product in 20 % yield (37 mg). H NMR (300 MHz, CD OD): δ 8.9
(br s, 1H), 8.37-8.33 (m, 2H), 8.19 (s, 1H), 8.13-8.12 (m, 1H), 8.06-8.05 (m, 1H), 7.92
(m, 2H), 7.86-7.85 (m, 1H), 7.8-7.78 (m, 2H), 6.61-6.57 (m, 2H), 2.22 (s, 3H); LC-MS
(ESI): Calculated mass: 383.41; Observed mass: 384.3 [M+H] (rt: 0.52 min).
Example 123.
1-(3-(5-(1H-pyrazolyl)-1H-benzo[d]imidazolyl)(1H-pyrazolyl)-
phenyl)(furanylmethyl)urea
a) 3-(5-(1H-pyrazolyl)-1H-benzo[d]imidazolyl)(1H-pyrazolyl)aniline
To a solution of the compound of Example 122 (230 mg, 0.6 mmol) in ethanol
(20 ml) was added aqueous solution of sodium hydroxide (192 mg, 4.8 mmol, 8.0 eq.)
and the mixture was heated at 90 C for 3 h. The mixture was quenched and extracted as
in Example 1(d). The solvent was distilled off to afford the product in 73 % yield (150
mg).
b) 1-(3-(5-(1H-pyrazolyl)-1H-benzo[d]imidazolyl)(1H-pyrazol
yl)phenyl)(furanylmethyl)urea
To a solution of the compound of Example 123(a) (50 mg, 0.146 mmol) in
DCM was added TEA (45 mg, 0.439 mmol, 3.0 eq.) followed by 2-(isocyanatomethyl)-
furan (23 mg, 0.19 mmol, 1.3 eq.). The mixture was stirred for 1 h and then quenched
and extracted as of Example 1(d). The solvent was distilled off and the residue was
purified by preparative HPLC to give the product in 8 % yield (5 mg). H NMR (300
MHz, CD OD): δ 8.92 (br s, 1H), 8.34-8.31 (m, 2H), 8.16 (s, 1H), 7.92-7.89 (m, 4H),
7.77 (m, 2H), 7.71 (m, 1H), 7.44 (m, 1H), 6.57 (m, 2H), 6.36-6.35 (m, 1H), 6.29-6.28
(m, 1H), 4.41 (s, 2H); LC-MS (ESI): Calculated mass: 464.48; Observed mass: 465.2
[M+H] (rt: 1.35 min).
Example 124.
1-(3-(5-(1H-pyrazolyl)-1H-benzo[d]imidazolyl)(1H-pyrazolyl)-
phenyl)cyclopentylurea
The compound was prepared from the compound of Example 122 using the
procedures of Example 123. H NMR (300 MHz, CD OD): δ 9.21 (br s, 1H), 8.35-8.33
(m, 2H), 8.22 (s, 1H), 7.98 (s, 2H), 7.93-7.88 (m, 2H), 7.78-7.77 (m, 2H), 7.73-7.72 (m,
1H), 6.59-6.58 (m, 2H), 4.08 (m, 1H), 1.99-1.96 (m, 2H), 1.75-1.71 (m, 2H), 1.68-1.33
(m, 2H), 1.52-1.49 (m, 2H); LC-MS (ESI): Calculated mass: 452.51; Observed mass:
453.3 [M+H] (rt: 1.42 min).
Example 125.
N-(3-(5-(1H-imidazolyl)-1H-benzo[d]imidazolyl)(1H-pyrazolyl)-
phenyl)acetamide
The compound was prepared from the compound of Example 114(e) using the
procedures of Example 122. H NMR (300 MHz, CD OD): δ 9.43 (s, 1H), 8.77 (s, 1H),
8.35 (d, 2H), 8.16 (m, 1H), 8.12 (s, 1H), 8.09-8.08 (m, 1H), 8.03-8.02 (m, 1H), 8.0 (s,
1H), 7.98 (s, 1H), 7.83-7.82 (m, 1H), 7.79-7.72 (m, 3H), 6.59-6.58 (m, 1H), 2.21 (s,
3H); LC-MS (ESI): Calculated mass: 383.41; Observed mass: 384.1 [M+H] (rt: 0.12
min).
Example 126.
N-(3-(5-(1-methyl-1H-pyrazolyl)-1H-benzo[d]imidazolyl)(1H-pyrazol-
1-yl)phenyl)ethanesulfonamide
The compound was prepared from the compound of Example 114 using the
procedures of Example 115. H NMR (400 MHz, CD OD): δ 9.13 (s, 1H), 8.36 (d, 1H),
8.10 (s, 1H), 8.02 (s, 1H), 7.94 (s, 1H), 7.88-7.78 (m, 5H), 7.58 (s, 1H), 6.61-6.50 (m,
1H), 3.97 (s, 3H), 3.31 (quartet, 2H) 1.40 (t, 3H); LC-MS (ESI): Calculated mass:
447.51; Observed mass: 448.1 [M+H] (rt: 0.49 min).
Example 127.
N-(3-(5-(1-(cyclopropylmethyl)-1H-pyrazolyl)-1H-benzo[d]imidazolyl)
(1H-pyrazolyl)phenyl)acetamide
A solution of the compound of Example 114(e) (0.5 g, 1.26 mmol) in 1,2-
dimethoxyethane (10 ml) was degassed by N bubbling for 5 min. The compound of
Intermediate Example 9 (0.47 g, 1.89 mmol, 1.5 eq.) was added and the mixture was
degassed for another 5 min. Pd(dppf)Cl (0.2 g, 0.25 mmol, 0.2 eq.) and aqueous
sodium carbonate (0.27 g, 2.52 mmol, 2 eq.) were added and the procedure of Example
1(d) was followed. The crude residue of the product was purified by preparative HPLC
to give the product in 11 % yield (60 mg). H NMR (300 MHz, DMSO-d ): δ 10.52 (s,
1H), 8.82-8.73 (m, 1H), 8.59 (d, 1H), 8.23-8.15 (m, 3H), 8.03-7.92 (m, 2H), 7.83-7.74
(m, 2H), 7.72-7.59 (m, 2H), 6.59 (s, 1H), 4.23 (d, 2H), 2.12 (s, 3H), 1.25-0.78 (m, 5H);
LC-MS (ESI): Calculated mass: 437.50; Observed mass: 438.2 [M+H] (rt: 0.812 min).
Example 128.
N-(3-(5-(1-(piperidinyl)-1H-pyrazolyl)-1H-benzo[d]imidazolyl)(1H-
pyrazolyl)phenyl)acetamide
a) tert-butyl 4-(4-(1-(3-acetamido(1H-pyrazolyl)phenyl)-1H-benzo[d]-
imidazolyl)-1H-pyrazolyl)piperidinecarboxylate
A solution of the compound of Example 114(e) (0.6 g, 1.51 mmol) in 1,2-
dimethoxyethane (20 ml) was degassed by N bubbling for 5 min. The compound of
Intermediate Example 5 (0.85 g, 2.27 mmol, 1.5 eq.) was added and the mixture was
degassed for another 5 min. Pd(dppf)Cl (0.25g, 0.302 mmol, 0.2 eq.) and aqueous
sodium carbonate (0.5 g, 4.53 mmol, 3.0 eq.) were added and the procedure of Example
1(d) was followed. The crude residue of the product was purified by preparative HPLC
to give the product in 35 % yield (0.3 g).
b) N-(3-(5-(1-(piperidinyl)-1H-pyrazolyl)-1H-benzo[d]imidazolyl)
(1H-pyrazolyl)phenyl)acetamide
To a solution of the compound of Example 128(a) (300 mg, 0.53 mmol) in
DCM (4 ml) at 0 C was added trifluoroacetic acid (0.6 ml) and the mixture was stirred
at RT for 6 h. The solvent was distilled off and the residue was purified by preparative
HPLC to give the product in 89 % yield (220 mg). H NMR (300 MHz, DMSO-d ): δ
.50 (s, 1H), 8.84 (s, 1H), 8.73 -8.63 (m, 1H), 8.61 (d, 1H), 8.52-8.38 (m, 1H), 8.35 (s,
1H), 8.20 (s, 1H), 8.07 (d, 1H), 8.01 (s, 1H), 7.87-7.83 (m, 2H), 7.73-7.65 (m, 2H), 6.62
(t, 1H), 4.36 (m, 1H), 3.50-3.35 (m, 2H), 3.17-3.10 (m, 2H), 2.32-2.21 (m, 4H), 2.14 (s,
3H) ; LC-MS (ESI): Calculated mass: 466.54; Observed mass: 467.2 [M+H] (rt: 0.128
min).
Example 129.
N-(3-(5-(1-(1-(methylsulfonyl)piperidinyl)-1H-pyrazolyl)-1H-benzo[d]-
imidazolyl)(1H-pyrazolyl)phenyl)acetamide
To a solution of the compound of Example 128 (80 mg, 0.171 mmol) in DCM
(10 ml) was added pyridine (27 mg, 0.34 mmol, 2 eq.) and methanesulfonyl chloride (19
mg, 0.171 mmol, 1 eq.). The mixture was stirred for 4 h and quenched and and extracted
as in Example 2(b). The solvent was distilled off and the residue was purified by
preparative HPLC to give the product in 19 % yield (18 mg). H NMR (300 MHz,
DMSO-d ): δ 10.52 (s, 1H), 10.06 (s, 1H), 8.58 (d, 1H), 8.43 (s, 1H), 8.24 (s, 1H), 8.06-
8.00 (m, 3H), 7.89 (s, 1H), 7.83 (d, 1H), 7.78-7.74 (m, 2H), 6.62 (t, 1H), 4.36 (m, 1H),
3.01-2.94 (m, 6H), 2.30 (s, 3H), 2.13 (s, 3H), 2.10-2.01 (m, 2H); LC-MS (ESI):
Calculated mass: 544.63; Observed mass: 545.2 [M+H] (rt: 0.40 min).
Example 130.
N-(3-(5-(oxazolyl)-1H-benzo[d]imidazolyl)(1H-pyrazolyl)phenyl)-
acetamide
a) N-(3-(4-formylnitrophenylamino)(1H-pyrazolyl)phenyl)acetamide
A solution of the compound of Example 114(b) (0.35 g, 1.62 mmol), 4-fluoro
nitrobenzaldehyde (0.24 g, 1.62 mmol, 1.0 eq.) and potassium fluoride (94 mg, 1.62
mmol, 1.0 eq.) in DMF (2 ml) was heated at 130 C for 4 h. The mixture was quenched
and extracted as in Example 1(d). The solvent was distilled off and the residue was
purified by column chromatography (60-120 silica gel, 40 % ethyl acetate in hexane) to
give the product in 51 % yield (0.3 g). H NMR (300 MHz, DMSO-d ): δ 10.29 (s, 1H),
.03 (s, 1H), 9.87 (s, 1H), 8.71 (m, 1H), 8.43 (d, 1H), 8.05 (s, 1H), 7.92 (d, 1H), 7.76
(s, 1H), 7.60 (s, 1H), 7.54 (s, 1H), 7.27 (s, 1H), 6.55 (s, 1H), 2.10 (s, 3H).
b) N-(3-(2-nitro(oxazolyl)phenylamino)(1H-pyrazolyl)phenyl)-
acetamide
To a solution of the compound of Example 130(a) (0.3 g, 0.824 mmol) in
methanol (8 ml) was added potassium carbonate (0.18 g, 0.904 mmol, 1.1 eq.) and the
mixture was stirred for 10 min at RT. Toluenesulfonylmethyl isocyanide (0.124 g, 0.904
mmol, 1.1 eq.) was added and the mixture was refluxed for 4 h. The solvent was
distilled off and water was added to the crude product. The mixture was extracted as in
Example 1(d). The solvent was distilled off and the residue was purified by column
chromatography (60-120 silica gel, 40 % ethyl acetate in hexane) to give the product in
75 % yield (0.25 g). H NMR (300 MHz, DMSO-d ): δ 10.23 (s, 1H), 9.57 (s, 1H), 8.46-
8.40 (m, 3H), 7.94-7.89 (m, 2H), 7.76-7.72 (m, 2H), 7.57 (s, 1H), 7.49 (s, 1H), 7.42 (d,
1H), 6.55 (t, 1H), 2.01 (s, 3H).
c) N-(3-(2-amino(oxazolyl)phenylamino)(1H-pyrazolyl)phenyl)-
acetamide
To a solution of the compound of Example 130(b) (0.25 g, 0.62 mmol) in
methanol (15 ml) and ethyl acetate (7 ml) was added 10 % Pd/C (30 mg) and the
reaction vessel was purged with nitrogen gas for 5 min. The mixture was then
hydrogenated with H balloon for 4 h. The mixture was filtered through a pad of celite
and the filtrate was concentrated to afford the compound in 86 % yield (0.2 g).
d) N-(3-(5-(oxazolyl)-1H-benzo[d]imidazolyl)(1H-pyrazolyl)phenyl)-
acetamide
A mixture of the compound of Example 130(c) (0.2 g, 0.54 mmol) and formic
acid (3 ml) was heated at 100 C for 30 min. The formic acid was distilled off and the
residue was dissolved in ethyl acetate. The ethyl acetate layer was washed with water,
brine and dried over sodium sulphate. The solvent was distilled off and the residue was
purified by preparative HPLC to give the product in 6 % yield (12 mg). H NMR (300
MHz, DMSO-d ): δ 10.47 (s, 1H), 8.80 (br s, 1H), 8.60 (d, 1H), 8.46 (s, 1H), 8.24 (s,
1H), 8.17 (s, 1H), 8.94 (s, 1H), 7.86-7.81 (m, 3H), 7.78-7.76 (m, 2H), 6.60 (t, 1H) 2.12
(s, 3H); LC-MS (ESI): Calculated mass: 384.39; Observed mass: 385.1 [M+H] (rt:
0.39 min).
Example 131.
N-(2',4'-difluoro(6-(1-methyl-1H-pyrazolyl)-3H-imidazo[4,5-b]pyridin
yl)biphenylyl)acetamide
a) N-(5-(5-bromonitropyridinylamino)-2',4'-difluorobiphenylyl)acet-
amide
A solution of the compound of Example 1(e) (1.07 g, 4.08 mmol), 5-bromo
chloronitropyridine (0.97 g, 4.08 mmol, 1.0 eq.) and potassium fluoride (0.24 g, 4.08
mmol, 1.0 eq.) in DMF (30 ml) was heated at 130 C for 5 h. The mixture was quenched
and extracted as in Example 1(d). The solvent was distilled off to afford the crude
product (1.8 g).
b) N-(5-(3-aminobromopyridinylamino)-2',4'-difluorobiphenylyl)acet-
amide
To a solution of the compound of Example 131(a) (1.8 g, 3.8 mmol) in THF (30
ml) were added a solution of ammonium chloride (0.83 g, 15.5 mmol, 4 eq.) in water
(15 ml) and zinc (1.02 g, 15.5 mmol, 10 eq.). The mixture was stirred at RT for 3 h and
filtered. The mixture was quenched and extracted as in Example 1(d). The solvent was
distilled off to afford the product in 97 % yield (1.6 g).
c) N-(5-(6-bromo-3H-imidazo[4,5-b]pyridinyl)-2',4'-difluorobiphenylyl)-
acetamide
A mixture of the compound of Example 131(b) (1.6 g, 3.7 mmol) and formic
acid (15 ml) was heated at 90 C for 1 h. Formic acid was then distilled off and the crude
was dissolved in ethyl acetate. The ethyl acetate layer was washed with water, brine and
dried over sodium sulphate. The solvent was distilled off to afford the product in 79 %
yield (1.3 g). H NMR (300 MHz, DMSO-d ): δ 10.43 (s, 1H), 9.0 (s, 1H), 8.55 (s, 1H),
8.24 (s, 1H), 7.89 (d, 1H), 7.75-7.65 (m, 2H), 7.48-7.41 (m, 2 H), 7.27-7.26 (dt, 1H), 2.1
(s, 3H).
d) N-(2',4'-difluoro(6-(1-methyl-1H-pyrazolyl)-3H-imidazo[4,5-b]pyridin-
3-yl)biphenylyl)acetamide
A solution of the compound of Example 131(c) (75 mg, 0.17 mmol) in 1,2-
dimethoxyethane (10 ml) was degassed by N bubbling for 5 min. 1-Methyl(4,4,5,5-
tetramethyl-1,3,2-dioxaborolanyl)-1H-pyrazole (42 mg, 0.203 mmol, 1.2 eq.) was
added and the mixture was degassed for another 5 min. Pd(dppf)Cl (28 mg, 0.033
mmol, 0.2 eq.) and aqueous sodium carbonate (54 mg, 0.507 mmol, 3.0 eq.) were added
and the procedure of Example 1(d) was followed. The crude residue of the product was
purified by preparative HPLC to give the product in 20 % yield (15 mg). H NMR (300
MHz, DMSO-d ): δ 10.39 (s, 1H), 8.94 (s, 1H), 8.71 (d, 1H), 8.41 (d, 1H), 8.3 (s, 2H),
8.05 (s, 1H), 7.88 (s, 1H), 7.75-7.68 (m, 2H), 7.48-7.42 (dt, 1H), 7.29-7.25 (dt, 1H),
3.89 (s, 3H), 2.1 (s, 3H); LC-MS (ESI); Calculated mass: 444.15: Observed mass: 445.1
[M+H] (rt: 1.39 min).
Example 132.
N-(2',4'-difluoro(6-(1-methyl-1H-pyrazolyl)-3H-imidazo[4,5-b]pyridin
yl)biphenylyl)methanesulfonamide
a) 2',4'-difluoro(6-(1-methyl-1H-pyrazolyl)-3H-imidazo[4,5-b]pyridin
yl)biphenylamine
To a solution of the compound of Example 131 (0.5 g, 1.1 mmol) in ethanol (10
ml) was added aqueous solution of NaOH (392 mg, 9.79 mmol, 8.9 eq.) and the mixture
was heated at 85 C for 2 h. The mixture was quenched and extracted as in Example
1(d). The solvent was distilled off to afford the product in 79 % yield (0.35 g).
b) N-(2',4'-difluoro(6-(1-methyl-1H-pyrazolyl)-3H-imidazo[4,5-b]pyridin-
3-yl)biphenylyl)methanesulfonamide
To a solution of the compound of Example 132(a) (70 mg, 0.174 mmol) in
DCM (5 ml) was added pyridine (28 mg, 0.348 mmol, 2.0 eq.) followed by methane-
sulfonyl chloride (22 mg, 0.192 mmol, 1.1 eq.). The reaction was stirred for 1 h and
quenched and extracted as in Example 2(b). The solvent was distilled off and the residue
was purified by preparative HPLC to give the product in 8 % yield (7 mg). H-NMR
(300MHz,CD OD): δ 8.8 ( br s, 1H), 8.7 (s, 1H), 8.32-8.28 (m, 1H), 8.12 (s, 1H), 7.95
(s, 1H), 7.9-7.85( m, 1H), 7.8-7.77 (s, 1H), 7.7-7.6 (m, 1H), 7.53-7.49 (m, 2H), 7.18-
7.05 (m, 2H), 3.96 (s, 3H), 3.13 (s, 3H); LC-MS (ESI): Calculated mass: 480.12;
Observed mass: 481.3 [M+H] (rt: 1.38 min).
Example 133.
N-(2',4'-difluoro(6-(1-methyl-1H-pyrazolyl)-3H-imidazo[4,5-b]pyridin
yl)biphenylyl)ethanesulfonamide
The compound was prepared from the compound of Example 131 using the
procedures of Example 132. H NMR (300 MHz, DMSO-d ): δ 8.8 (s, 1H), 8.7 (d, 1H),
8.29 (d, 1H), 8.11 (s, 1H), 7.95 (s, 1H), 7.86 (t, 1H), 7.8-7.77 (m, 1H), 7.7-7.49 (m, 4H),
7.05-7.18 (m, 1H), 3.96 (s, 3H), 3.29 (quartet, 2H), 1.37 (t, 3H); LC-MS (ESI):
Calculated mass: 494.13; Observed mass: 495.1 [M+H] (rt: 1.46 min).
Example 134.
N-(2',4'-difluoro(6-(1-methyl-1H-pyrazolyl)-3H-imidazo[4,5-b]pyridin
yl)biphenylyl)benzenesulfonamide
The compound was prepared from the compound of Example 131 using the
procedures of Example 132. LC-MS (ESI): Calculated mass: 542.13; Observed mass:
543.1 [M+H] (rt: 1.64 min).
Example 135.
N-(5-(6-(1-cyclopentyl-1H-pyrazolyl)-3H-imidazo[4,5-b]pyridinyl)-2',4'-
difluorobiphenylyl)acetamide
The compound was prepared from the compound of Example 131(c) using the
procedures of Example 131(d). H- NMR (300 MHz, DMSO-d ): δ 10.43 (s, 1H), 8.92
(s, 1H), 8.73-8.74 (d, 1H), 8.44-8.40 (m, 1H), 8.30-8.25 (m, 1H), 8.05 (s, 1H), 7.25-7.9
(m, 6H), 3.59-3.50 (m, 1H), 2.11 (s, 3H), 2.02-1.93 (m, 2H), 1.88-1.83 (m, 4H), 1.71-
1.66 (m, 2H); LC-MS (ESI): Calculated mass: 498.20; Observed mass: 499.2 [M+H]
(rt: 1.63 min).
Example 136.
N-(2',4'-difluoro(6-(1-(piperidinyl)-1H-pyrazolyl)-3H-imidazo[4,5-b]-
pyridinyl)biphenylyl)acetamide
a) tert-butyl 4-(4-(3-(5-acetamido-2',4'-difluorobiphenylyl)-3H-imidazo[4,5-
b]pyridinyl)-1H-pyrazolyl)piperidinecarboxylate
A solution of the compound of Example 131(c) (150 mg, 0.338 mmol) in 1,2-
dimethoxyethane (20 ml) was degassed by N bubbling for 5 min. tert-Butyl 4-(4-
(4,4,5,5-tetramethyl-1,3,2-dioxaborolanyl)-1H-pyrazolyl)piperidinecarboxylate
(153 mg, 0.406 mmol, 1.2 eq.) was added and the mixture was degassed for another 5
min. Pd(PPh ) (55 mg, 0.068 mmol, 0.2 eq.) and aqueous sodium carbonate (107 mg,
1.01 mmol, 3.0 eq.) were added and the procedure of Example 1(d) was followed. The
crude residue of the product was obtained in 48 % yield (100 mg).
b) N-(2',4'-difluoro(6-(1-(piperidinyl)-1H-pyrazolyl)-3H-imidazo[4,5-
b]pyridinyl)biphenylyl)acetamide
To a solution of the compound of Example 136(a) (100 mg, 0.16 mmol) in 1,4-
dioxane (5 ml) at 0 C was added HCl in dioxane and stirred at RT for 2 h. The solvent
was distilled off and the residue was purified by preparative HPLC to give the product
in 30 % yield (25 mg). H NMR (300 MHz, DMSO-d ): δ 10.2 (s, 1H), 8.95-8.91(m,
1H), 8.78-8.75 (m, 2H), 8.48-8.30 (m, 3H), 8.15-8.10 (m, 1H), 7.84-7.64 (m, 3H), 7.48-
7.38 (m, 1H), 7.30-7.20 (m, 1H), 4.6-4.45 (m, 1H), 3.2-3.0 (m, 4H), 2.3-2.05 (m, 7H);
LC-MS (ESI): Calculated mass: 513.21; Observed mass: 514.2 [M+H] (rt: 0.21 min).
Example 137.
N-(5-(6-(1H-pyrazolyl)-3H-imidazo[4,5-b]pyridinyl)-2',4'-difluorobi-
phenylyl)acetamide
To a solution of the compound of Example 131(c) (1.5 g, 3.3 mmol) in DMF
(20 ml) were added pyrazole (0.22 g, 3.3 mmol, 1 eq.), copper(I) oxide (0.243 g, 1.69
mmol, 0.5 eq.) and cesium carbonate (1.73 g, 5.3 mmol, 1.6 eq.) and then heated at 90
C for 12 h. The mixture was quenched and extracted as in Example 1(d). The solvent
was distilled off and the residue was purified by column chromatography (60-120 silica
gel, 70 % ethyl acetate in hexane) to give the product in 35 % yield (0.5 g). H NMR
(300 MHz, DMSO-d ): δ 10.4 (s, 1H), 9.05-8.97 (m, 2H), 8.68-8.60 (m, 2H), 8.32-825
(br s, 1H), 7.92-7.8 (m, 2H), 7.75-7.65 (m, 2H), 7.48-7.38 (m, 1H), 7.30-7.20 (m, 1H),
6.63-6.60 (m, 1H), 2.1 (s, 3H); LC-MS (ESI): Calculated mass: 430.14; Observed mass:
431.1 [M+H] (rt: 1.46 min).
Example 138.
N-(2',5'-difluoro(5-(1-methyl-1H-pyrazolyl)-1H-benzo[d]imidazolyl)bi-
phenylyl)acetamide
a) N-(2',5'-difluoronitrobiphenylyl)acetamide
A solution of N-(3-bromonitrophenyl)acetamide of Example 1(c) (0.8 g, 3.07
bubbling for 5 min. 2,5-Di-
mmol) in 1,2-dimethoxyethane (15 ml) was degassed by N
fluorophenylboronic acid (0.58 g, 3.69 mmol, 1.2 eq.) was added and the mixture was
degassed for another 5 min. Pd(dppf)Cl (0.5 g, 0.615 mmol, 0.2 eq.) and aqueous
sodium carbonate (0.98 g, 9.23 mmol, 3.0 eq.) were added and the procedure of
Example 1(d) was followed. The crude residue of the product was purified by column
chromatography (60-120 silica gel, 25 % ethyl acetate in hexane) to give the product in
67 % yield (0.6 g). H NMR (300 MHz, DMSO-d ): δ 10.56 (s, 1H), 8.65 (t, 1H), 8.14
(s, 1H), 8.06 (s, 1H), 7.56-7.52 (m, 1H), 7.47-7.37 (m, 2H), 2.12 (s, 3H).
b) N-(5-amino-2',5'-difluorobiphenylyl)acetamide
To a solution of the compound of Example 138(a) (0.6 g, 2.05 mmol) in
methanol (10 ml) and ethyl acetate (3 ml) was added 10 % Pd/C (100 mg) and the
reaction vessel was purged with nitrogen gas for 5 min. The mixture was then
hydrogenated with H balloon for a period of 12 h. The mixture was filtered through a
pad of celite and the filtrate was concentrated to afford the compound in 93 % yield
(0.5 g).
c) N-(5-(4-bromonitrophenylamino)-2',5'-difluorobiphenylyl)acetamide
A solution of the compound of Example 138(b) (0.5 g, 1.9 mmol), 4-bromo
fluoronitrobenzene (0.42 g, 1.9 mmol, 1.0 eq.) and potassium fluoride (0.11 g, 1.9
mmol, 1.0 eq.) in DMF (2 ml) was heated at 130 C for 5 h. The mixture was quenched
and extracted as in Example 1(d). The solvent was distilled off and the residue was
purified by column chromatography (60-120 silica gel, 30 % ethyl acetate in hexane) to
give the product in 57 % yield (0.5 g).
d) N-(5-(2-aminobromophenylamino)-2',5'-difluorobiphenylyl)acetamide
To a solution of the compound of Example 138(c) (0.5 g, 1.08 mmol) in THF
(10 ml) were added a solution of ammonium chloride (0.46 g, 8.67 mmol, 8 eq.) in
water (2 ml) and zinc (0.57 g, 8.67 mmol, 8 eq.). The mixture was stirred at 45 C for 2
h and filtered. The filtrate was diluted with water and extracted as in Example 1(d). The
solvent was distilled off to afford the product in 86 % yield (0.4 g).
e) N-(5-(5-bromo-1H-benzo[d]imidazolyl)-2',5'-difluorobiphenylyl)acet-
amide
A mixture of the compound of Example 138(d) (0.4 g, 0.93 mmol) and formic
acid (4 ml) was heated at 100 C for 30 min. The formic acid was distilled off and the
residue was dissolved in ethyl acetate. The ethyl acetate layer was washed with water,
brine and dried over sodium sulphate. The solvent was distilled off to afford the
product in 85 % yield (0.35 g). H NMR (300 MHz, DMSO-d ): δ 10.42 (s, 1H), 8.75 (s,
1H), 8.04 (d, 2H), 7.86 (s, 1H), 7.69 (d, 1H), 7.64-7.56 (m, 3H), 7.54-7.38 (m, 1H),
7.37-7.31 (m, 1H), 2.12 (s, 3H).
f) N-(2',5'-difluoro(5-(1-methyl-1H-pyrazolyl)-1H-benzo[d]imidazolyl)-
biphenylyl)acetamide
A solution of the compound of Example 138(e) (100 mg, 0.226 mmol) in 1,2-
dimethoxyethane (10 ml) was degassed by N bubbling for 5 min. 1-Methyl(4,4,5,5-
tetramethyl-1,3,2-dioxaborolanyl)-1H-pyrazole (57 mg, 0.27 mmol, 1.2 eq.) was
added and the mixture was degassed for another 5 min. Pd(dppf)Cl (37 mg, 0.045
mmol, 0.2 eq.) and aqueous sodium carbonate (71 mg, 0.678 mmol, 3.0 eq.) were added
and the procedure of Example 1(d) was followed. The crude residue of the product was
purified by preparative HPLC to give the product in 20 % yield (20 mg). H NMR (300
MHz, DMSO-d ): δ 10.4 (s, 1H), 8.64 (s, 1H), 8.20 (s, 1H), 8.07 (s, 1H), 7.99 (s, 1H),
7.94 (s, 1H), 7.8-7.68 (m, 2H), 7.6-7.45 (m, 4H), 7.27 (t, 1H), 3.88 (s, 3H), 2.12 (s, 3H);
LC-MS (ESI): Calculated mass: 443.45; Observed mass: 444.1 [M+H] (rt: 1.147 min).
Example 139.
N-(2',5'-difluoro(5-(1-(2-morpholinoethyl)-1H-pyrazolyl)-1H-benzo[d]-
imidazolyl)biphenylyl)acetamide
A solution of the compound of Example 138(e) (5 g, 11.34 mmol) in 1,2-
dimethoxyethane (100 ml) was degassed by N bubbling for 5 min. 4-(2-(4-(4,4,5,5-
Tetramethyl-1,3,2-dioxaborolanyl)-1H-pyrazolyl)ethyl)morpholine (4.2 g, 13.61
mmol, 1.2 eq.) was added and the mixture was degassed for another 5 min. Pd(PPh )
(1.3 g, 1.13 mmol, 0.1 eq.) and aqueous sodium carbonate (2.4 g, 22.67 mmol, 2.0 eq.)
were added and the procedure of Example 1(d) was followed. The crude residue of the
product was purified by preparative HPLC to give the product in 37 % yield (2.3 g). H
NMR (400 MHz, DMSO-d ): δ 10.42 (s, 1H), 8.87 (s, 1H), 8.34 (s, 1H), 8.17 (s, 1H),
8.13 (s, 1H), 8.05 (s, 1H), 7.80-7.53 (m, 2H), 7.66-7.58 (m, 3H), 7.46-7.44 (m, 1H),
7.38-7.32 (m, 1H), 4.59 (t, 2H), 3.76-3.67 (m, 4H), 3.43-3.39 (m, 2H), 2.54-2.44 (m,
4H), 2.07 (s, 3H); LC-MS (ESI): Calculated mass: 542.58; Observed mass: 543.3
[M+H] (rt: 0.22 min).
Example 140.
N-(2',5'-difluoro(5-(1-(2-morpholinoethyl)-1H-pyrazolyl)-1H-benzo[d]-
imidazolyl)biphenylyl)methanesulfonamide
a) 2',5'-difluoro(5-(1-(2-morpholinoethyl)-1H-pyrazolyl)-1H-benzo[d]-
imidazolyl)biphenylamine
To a solution of the compound of Example 139 (2.2 g, 4.0 mmol) in ethanol
(100 ml) was added aqueous solution of NaOH (2.0 g, 50 mmol, 12.5 eq.) and the
mixture was heated at 100 C for 4 h. The mixture was quenched and extracted as in
Example 1(d). The solvent was distilled off to afford the product in 90 % yield (1.8 g).
b) N-(2',5'-difluoro(5-(1-(2-morpholinoethyl)-1H-pyrazolyl)-1H-benzo[d]-
imidazolyl)biphenylyl)methanesulfonamide
To a solution of the compound of Example 140(a) (100 mg, 0.2 mmol) in DCM
(2 ml) was added pyridine (32 mg, 0.4 mmol, 2.0 eq.) followed by methanesulfonyl
chloride (30 mg, 0.26 mmol, 1.3 eq.). The mixture was stirred for 1 h and quenched and
extracted as in Example 2(b). The solvent was distilled off and the residue was purified
by preparative HPLC to give the product in 26 % yield (30 mg). H NMR (400 MHz,
CD OD): δ 9.34 (s, 1H), 8.25 (s, 1H), 8.06-8.05 (m, 2H), 7.86.7.80 (s, 2H), 7.74-7.73
(m, 1H), 7.68 (m, 1H), 7.60-7.59 (m, 1H), 7.44-7.39 (m, 1H), 7.33-7.27 (m, 1H), 7.24-
7.19 (m, 1H), 4.69 (t, 2H), 3.94-3.88 (m, 4H), 3.76 (t, 2H), 3.54-3.40 (m, 4H), 3.19 (s,
3H); LC-MS (ESI): Calculated mass: 578.63; Observed mass: 579.3 [M+H] (rt: 0.26
min).
Example 141.
N-(2',5'-difluoro(5-(1-(2-morpholinoethyl)-1H-pyrazolyl)-1H-benzo[d]-
imidazolyl)biphenylyl)ethanesulfonamide
The compound was prepared from the compound of Example 139 using the
procedures of Example 140. H NMR (400 MHz, DMSO-d ): δ 10.34 (s, 1H), 8.69 (s,
1H), 8.27 (s, 1H), 8.01 (s, 1H), 7.98 (s, 1H), 7.72-7.61 (m, 5H), 7.51-7.44 (m, 2H), 7.39-
7.35 (m, 1H), 4.27 (t, 2H), 3.58 (t, 4H), 3.32-3.28 (m, 2H), 2.77 (t, 2H), 2.45 (m, 4H),
1.22 (t, 3H); LC-MS (ESI): Calculated mass: 592.66; Observed mass: 593.2 [M+H] (rt:
0.332 min).
Example 142.
N-(2',5'-difluoro(5-(1-(2-morpholinoethyl)-1H-pyrazolyl)-1H-benzo[d]-
imidazolyl)biphenylyl)propanesulfonamide
The compound was prepared from the compound of Example 139 using the
procedures of Example 140. H NMR (400 MHz, DMSO-d ): δ 10.35 (s, 1H), 8.79 (s,
1H), 8.37 (s, 1H), 8.15 (s, 1H), 8.07 (s, 1H), 7.74-7.62 (m, 5H), 7.54 (s, 1H), 7.51-7.45
(m, 1H), 7.41-7.35 (m, 1H), 4.61 (t, 2H), 3.70-3.63 (m, 6H), 3.52-3.42 (m, 3H), 3.40-
3.28 (m, 2H), 1.43 (d, 6H); LC-MS (ESI): Calculated mass: 606.69; Observed mass:
607.4 [M+H] (rt: 0.55 min).
Example 143.
N-(2',5'-difluoro(5-(1-(2-morpholinoethyl)-1H-pyrazolyl)-1H-benzo[d]-
imidazolyl)biphenylyl)cyclopropanesulfonamide
The compound was prepared from the compound of Example 139 using the
procedures of Example 140 and cyclopropane sulfonyl chloride. H NMR (400 MHz,
DMSO-d ): δ 10.31 (s, 1H), 8.76 (s, 1H), 8.36 (s, 1H), 8.14 (s, 1H), 8.07 (s, 1H), 7.73
(d, 1H), 7.67-7.63 (m, 4H), 7.55 (s, 1H), 7.50-7.45 (m, 2H), 4.60 (t, 2H), 3.99-3.79 (m,
2H), 3.69-3.63 (m, 6H), 3.20-3.17 (m, 2H), 2.91-2.88 (m, 1H), 1.1-1.0 (d, 4H); LC-MS
(ESI): Calculated mass: 604.67; Observed mass: 605.4 [M+H] (rt: 0.48 min).
Example 144.
N-(5-(5-(1-(2-(dimethylamino)ethyl)-1H-pyrazolyl)-1H-benzo[d]imidazol
yl)-2',5'-difluorobiphenylyl)acetamide
The compound was prepared from the compound of Example 138(e) using the
procedures of Example 139. H NMR (400 MHz, DMSO-d ): δ 10.42 (s, 1H), 8.74 (s,
1H), 8.34 (s, 1H), 8.16 (s, 1H), 8.12 (s, 1H), 8.04 (s, 1H), 7.79-7.73 (m, 2H), 7.64-7.57
(m, 3H), 7.45-7.42 (m, 1H), 7.36-7.34 (m, 1H), 4.56 (t, 2H), 3.62 (t, 2H), 3.84 (s, 6H),
2.12 (s, 3H); LC-MS (ESI): Calculated mass: 500.54; Observed mass: 501.2 [M+H] (rt:
0.22 min).
Example 145.
N-(5-(5-(1H-pyrazolyl)-1H-benzo[d]imidazolyl)-2',5'-difluorobiphenyl
yl)acetamide
To a solution of the compound of Example 138(e) (2.5 g, 5.67 mmol, 1 eq.) in
DMF (10 ml) were added pyrazole (0.77 g, 11.3 mmol, 2 eq.), copper(I) oxide (1.62 g,
11.3 mmol, 2.0 eq.) and cesium carbonate (3.67 g, 11.3 mmol, 2.0 eq.) and the mixture
was heated at 90 C for 48 h The mixture was quenched and extracted as in Example
1(d). The solvent was distilled off and the residue was purified by preparative HPLC to
give the product in 79 % yield (1.92 g). H NMR (400 MHz, CD OD): δ 10.43 (s, 1H),
8.84 (s, 1H), 8.60 (d, 1H), 8.24 (s, 1H), 8.12 (s, 1H), 7.97-7.82 (m, 3H), 7.76 (s, 1H),
7.63-7.60 (m, 2H), 7.49-7.32 (m, 1H), 6.56 (s, 1H), 2.10 (s, 3H); LC-MS (ESI):
(rt: 1.45 min).
Calculated mass: 429.42; Observed mass: 430.2 [M+H]
Example 146.
N-(5-(5-(1H-pyrrolyl)-1H-benzo[d]imidazolyl)-2',5'-difluorobiphenyl
yl)acetamide
To a solution of the compound of Example 138(e) (250 mg, 0.57 mmol, 1 eq.) in
DMF (1 ml) were added pyrazole (77 mg, 1.13 mmol, 2 eq.), copper(I) oxide (162 mg,
1.13 mmol, 2.0 eq.) and cesium carbonate (367 mg, 1.13 mmol, 2.0 eq.) and the mixture
was heated at 90 C for 48 h. The mixture was quenched and extracted as in Example
1(d). The solvent was distilled off and the residue was purified by preparative HPLC to
give the product in 45 % yield (110 mg). H NMR (400 MHz, DMSO-d ): δ 10.45 (s,
1H), 8.81 (s, 1H), 8.15 (s, 1H), 8.00 (d, 1H), 7.86-7.80 (m, 2H), 7.66-7.62 (m, 3H),
7.46-7.44 (m, 4H), 6.29 (t, 2H), 2.13 (s, 3H); LC-MS (ESI): Calculated mass: 428.43;
Observed mass: 429.1 [M+H] (rt: 1.647 min).
Example 147.
N-(3-(benzofuranyl)(5-(1-methyl-1H-pyrazolyl)-1H-benzo[d]imidazol-
1-yl)phenyl)acetamide
a) N-(3-(benzofuranyl)nitrophenyl)acetamide
A solution of N-(3-bromonitrophenyl)acetamide of Example 1(c) (2 g, 7.7
mmol) in 1,2-dimethoxyethane (25 ml) was degassed by N bubbling for 5 min. 2-
(Benzofuranyl)-4,4,5,5-tetramethyl-1,3,2-dioxaborolane (2.45 g, 10 mmol, 1.3 eq.)
was added and the mixture was degassed for another 5 min. Pd(dppf)Cl (0.63 g, 0.77
mmol, 0.1 eq.) and aqueous sodium carbonate (2.45 g, 23.1 mmol, 3.0 eq.) were added
and the procedure of Example 1(d) was followed. The crude residue of the product was
directly used for the next step.
b) N-(3-amino(benzofuranyl)phenyl)acetamide
To a solution of the compound of Example 147(a) (1.8 g, 6.08 mmol) in ethanol
(30 ml) were added calcium chloride (1.35 g, 12.16 mmol, 2 eq.) and iron powder (0.7
g, 12.16 mmol, 2 eq.) and the mixture was heated at 100 C for 2 h and filtered. The
filtrate was diluted with water and extracted as in Example 1(d). The solvent was
distilled off and the residue was purified by column chromatography (100-200 neutral
alumina, 4 % methanol in chloroform) to give the product in 90 % yield (1.45 g).
c) N-(3-(benzofuranyl)(4-bromonitrophenylamino)phenyl)acetamide
A solution of the compound of Example 147(b) (1.45 g, 5.45 mmol), 4-bromo-
1-fluoronitrobenzene (1.2 g, 5.45 mmol, 1.0 eq.) and potassium fluoride (0.32 g, 5.45
mmol, 1.0 eq.) in DMF (5 ml) was heated at 100 C for 12 h. The mixture was quenched
and extracted as in Example 1(d). The solvent was distilled off and the residue was
purified by column chromatography (60-120 silica gel, 40 % ethyl acetate in hexane) to
give the product in 59 % yield (1.5 g).
d) N-(3-(2-aminobromophenylamino)(benzofuranyl)phenyl)acetamide
To a solution of the compound of Example 147(c) (1.45 g, 3.12 mmol) in
ethanol (35 ml) were added calcium chloride (0.69 g, 6.24 mmol, 2 eq.) and iron powder
(0.36 g, 6.24 mmol, 2 eq.) and the mixture was heated at 100 C for 2 h and filtered. The
filtrate was diluted with water and extracted as in Example 1(d). The solvent was
distilled off and the residue was directly used for the next step.
e) N-(3-(benzofuranyl)(5-bromo-1H-benzo[d]imidazolyl)phenyl)acet-
amide
A mixture of the compound of Example 147(d) (1.36 g, 3.2 mmol) and formic
acid (2 ml) was heated at 100 C for 30 min. The formic acid was distilled off and the
residue was dissolved in ethyl acetate. The ethyl acetate layer was washed with water,
brine and dried over sodium sulphate. The solvent was distilled off to afford the
product in 61 % yield (0.85 g).
f) N-(3-(benzofuranyl)(5-(1-methyl-1H-pyrazolyl)-1H-benzo[d]-
imidazolyl)phenyl)acetamide
A solution of the compound of Example 147(e) (0.8 g, 1.8 mmol) in 1,2-
dimethoxyethane (20 ml) was degassed by N bubbling for 5 min. 1-Methyl(4,4,5,5-
tetramethyl-1,3,2-dioxaborolanyl)-1H-pyrazole (0.56 g, 2.7 mmol, 1.5 eq.) was added
and the mixture was degassed for another 5 min. Pd(PPh ) (0.207 g, 0.18 mmol, 0.1
eq.) and aqueous sodium carbonate (3.8 g, 3.6 mmol, 2.0 eq.) were added and the
procedure of Example 1(d) was followed. The crude residue of the product was purified
by preparative HPLC to give the pure product in 75 % yield (0.6 g). H NMR (300
MHz, DMSO-d ): δ 10.46 (s, 1H), 8.78 (s, 1H), 8.21 (m, 2H), 8.06 (s, 1H), 8.01 (s, 1H),
7.96 (s, 2H), 7.74-7.64 (m, 3H), 7.63-7.59 (m, 2H), 7.34-7.31 (m, 2H), 3.89 (s, 3H),
2.15 (s, 3H); LC-MS (ESI): Calculated mass: 447.49; Observed mass: 448.1 [M+H] (rt:
1.397 min).
Example 148.
N-(5-(5-(1-methyl-1H-pyrazolyl)-1H-benzo[d]imidazolyl)biphenylyl)-
acetamide
a) N-(5-nitrobiphenylyl)acetamide
A solution of N-(3-bromonitrophenyl)acetamide of Example 1(c) (1 g, 3.87
mmol) in 1,2-dimethoxyethane (20 ml) was degassed by N bubbling for 5 min. Phenyl-
boronic acid (0.61 g, 5.04 mmol, 1.3 eq.) was added and the mixture was degassed for
another 5 min. Pd(dppf)Cl (0.63 g, 0.77 mmol, 0.2 eq.) and aqueous sodium carbonate
(1.23 g, 11.6 mmol, 3.0 eq.) were added and the procedure of Example 1(d) was
followed. The crude residue of the product was purified by column chromatography
(60-120 silica gel, 50 % ethyl acetate in hexane) to give the product in 61 % yield (0.6
g).
b) N-(5-aminobiphenylyl)acetamide
To a solution of N-(5-nitrobiphenylyl)acetamide (1.2 g, 4.68 mmol) in THF
(10 ml) were added a solution of ammonium chloride (2 g, 37.4 mmol, 8 eq.) in water (2
ml) and zinc (2.36 g, 37.4 mmol, 8 eq.). The mixture was stirred at 45 C for 2 h and
filtered. The filtrate was diluted with water and extracted as in Example 1(d). The
solvent was distilled off to afford the product in 94 % yield (1 g).
c) N-(5-(4-bromonitrophenylamino)biphenylyl)acetamide
A solution of N-(5-aminobiphenylyl)acetamide (1 g, 4.54 mmol), 4-bromo
fluoronitrobenzene (1.03 g, 4.54 mmol, 1.0 eq.) and potassium fluoride (0.26 g, 4.54
mmol, 1.0 eq.) in DMF (5 ml) was heated at 100 C for 12 h. The mixture was quenched
and extracted as in Example 1(d). The solvent was distilled off and the residue was
purified by column chromatography (60-120 silica gel, 50 % ethyl acetate in hexane) to
give the product in 52 % yield (1 g).
d) N-(5-(2-aminobromophenylamino)biphenylyl)acetamide
To a solution of the compound of Example 148(c) (1.0 g, 2.35 mmol) in THF
(10 ml) were added a solution of ammonium chloride (1.18 g, 18.8 mmol, 8 eq.) in
water (2 ml) and zinc (1 g, 18.8 mmol, 8 eq.). The mixture was stirred at 45 C for 2 h
and filtered. The filtrate was diluted with water and extracted as in Example 1(d). The
solvent was distilled off to afford the product in 43 % yield (0.4 g).
e) N-(5-(5-bromo-1H-benzo[d]imidazolyl)biphenylyl)acetamide
A mixture of the compound of Example 148(d) (0.4 g, 1.01 mmol) and formic
acid (10 ml) was heated at 100 C for 2 h. The formic acid was distilled off and the
crude was dissolved in ethyl acetate. The ethyl acetate layer was washed with water,
brine and dried over sodium sulphate. The solvent was distilled off and the residue was
purified by column chromatography (60-120 silica gel, 50 % ethyl acetate in hexane) to
give the product in 85 % yield (0.35 g).
f) N-(5-(5-(1-methyl-1H-pyrazolyl)-1H-benzo[d]imidazolyl)biphenylyl)-
acetamide
A solution of the compound of Example 148(e) (400 mg, 0.99 mmol) in 1,2-
dimethoxyethane (10 ml) was degassed by N bubbling for 5 min. 1-Methyl(4,4,5,5-
tetramethyl-1,3,2-dioxaborolanyl)-1H-pyrazole (220 mg, 1.05 mmol, 1.2 eq.) was
added and the mixture was degassed for another 5 min. Pd(PPh ) (230 mg, 0.197
mmol, 0.2 eq.) and aqueous sodium carbonate (320 mg, 3.01 mmol, 3.0 eq.) were added
and the procedure of Example 1(d) was followed. The crude residue of the product was
purified by preparative HPLC to give the product in 12 % yield (50 mg). H NMR (300
MHz, DMSO-d ): δ 10.36 (s, 1H), 8.68 (s, 1H), 8.18 (s, 1H), 8.02-7.97 (m, 2H), 7.93-
7.88 (m, 2H), 7.75-7.67 (s, 3H), 7.61-7.49 (m, 4H), 7.43 (t, 1H), 3.87 (s, 3H), 2.12 (s,
3H); LC-MS (ESI): Calculated mass: 407.47; Observed mass: 408.1 [M+H] (rt: 1.67
min).
Example 149.
N-(4'-methoxy(5-(1-methyl-1H-pyrazolyl)-1H-benzo[d]imidazolyl)bi-
phenylyl)acetamide
a) N-(4'-methoxynitrobiphenylyl)acetamide
A solution of N-(3-bromonitrophenyl)acetamide of Example 1(c) (1 g, 3.8
mmol) in 1,2-dimethoxyethane (20 ml) was degassed by N bubbling for 5 min. 4-
Methoxyphenylboronic acid (0.69 g, 4.4 mmol, 1.1 eq.) was added and the mixture was
degassed for another 5 min. Pd(dppf)Cl (0.31 g, 0.38 mmol, 0.1 eq.) and aqueous
sodium carbonate (1 g, 9.5 mmol, 2.5 eq.) were added and the procedure of Example
1(d) was followed. The crude residue of the product was purified by column chromato-
graphy (60-120 silica gel, 40 % ethyl acetate in hexane) to give the product in 73 %
yield (0.8 g).
b) N-(5-amino-4'-methoxybiphenylyl)acetamide
To a solution of N-(4'-methoxynitrobiphenylyl)acetamide (4 g, 13.98
mmol) in ethanol (50 ml) were added calcium chloride (3.1 g, 27.96 mmol, 2 eq.) and
iron powder (1.45 g, 27.96 mmol, 2 eq.) and the mixture was heated at 100 C for 2 h
and filtered. The filtrate was diluted with water and extracted as in Example 1(d). The
solvent was distilled off to afford the product in 87 % yield (3.1 g).
c) N-(5-(4-bromonitrophenylamino)-4'-methoxybiphenylyl)acetamide
The compound was prepared from the compound of Example 149(b) (3.1 g,
12.11 mmol) using the procedure of Example 148(c) to give the title product in 52 %
yield (2.9 g).
d) N-(5-(2-aminobromophenylamino)-4'-methoxybiphenylyl)acetamide
To a solution of the compound of Example 149(c) (2.9 g, 6.37 mmol) in ethanol
(30 ml) were added calcium chloride (1.4 g, 12.74 mmol, 2 eq.) and iron powder (0.66
g, 12.74 mmol, 2 eq.) and the mixture was heated at 100 C for 2 h and filtered. The
filtrate was diluted with water and extracted as descrined in Example 1(d). The solvent
was distilled off to afford the crude residue which was directly used for the next step.
e) N-(5-(5-bromo-1H-benzo[d]imidazolyl)-4'-methoxybiphenylyl)acet-
amide
The compound was prepared from the compound of Example 149(d) (2.7 g,
6.37 mmol) using the procedure of Example 148(e) to give the product in 79 % yield
(2.2 g).
f) N-(4'-methoxy(5-(1-methyl-1H-pyrazolyl)-1H-benzo[d]imidazolyl)bi-
phenylyl)acetamide
The compound was prepared from the compound of Example 149(e) using the
procedure of Example 148(f) to give the product in 67 % yield (0.54 g). H NMR (300
MHz, DMSO-d ): δ 8.48 (s, 1H), 7.96-7.84 (m, 4H), 7.74-7.45 (m, 7H), 7.01 (d, 2H),
3.93 (s, 3H), 3.83 (s, 3H), 2.19 (s, 3H); LC-MS (ESI): Calculated mass: 437.49;
Observed mass: 437.9 [M+H] (rt: 0.89 min).
Example 150.
N-(3',4'-difluoro(5-(1-methyl-1H-pyrazolyl)-1H-benzo[d]imidazolyl)bi-
phenylyl)acetamide
a) N-(3',4'-difluoronitrobiphenylyl)acetamide
A solution of N-(3-bromonitrophenyl)acetamide of Example 1(c) (0.7 g, 2.69
mmol) in 1,2-dimethoxyethane (15 ml) was degassed by N bubbling for 5 min. 3,4-
Difluorophenylboronic acid (0.5 g, 3.23 mmol, 1.2 eq.) was added and the mixture was
degassed for another 5 min. Pd(dppf)Cl (0.44 g, 0.54 mmol, 0.2 eq.) and aqueous
sodium carbonate (0.86 g, 8.07 mmol, 3.0 eq.) were added and the procedure of
Example 1(d) was followed. The crude residue of the product was purified by column
chromatography (60-120 silica gel, 25 % ethyl acetate in hexane) to give the product in
76 % yield (0.6 g).
b) N-(5-amino-3',4'-difluorobiphenylyl)acetamide
To a solution of the compound of Example 150(a) (0.6 g, 2.05 mmol) in
methanol (10 ml) and ethyl acetate (2 ml) was added 10 % Pd/C (100 mg) and the
reaction vessel was purged with nitrogen gas for 5 min. The mixture was then
hydrogenated with H balloon for 12 h. The mixture was filtered through a pad of celite
and the filtrate was concentrated under reduced pressure to afford the compound in 93
% yield (0.5 g).
c) N-(5-(4-bromonitrophenylamino)-3',4'-difluorobiphenylyl)acetamide
The compound was prepared from the compound of Example 150(b) (3.1 g,
12.11 mmol) using the procedure of Example 148(c) to give the product in 57 % yield
(0.5 g). H NMR (300 MHz, DMSO-d ): δ 10.16 (s, 1H), 9.43 (s, 1H), 8.23 (d, 1H),
7.69-7.58 (m, 3H), 7.41-7.38 (m, 2H), 7.29-7.26 (m, 2H), 7.19 (s, 1H), 2.04 (s, 3H).
d) N-(5-(2-aminobromophenylamino)-3',4'-difluorobiphenylyl)acetamide
The compound was prepared from the compound of Example 150(c) (0.5 g, 1.08
mmol) using the procedure of Example 148(d) to give the product in 86 % yield (0.4 g).
e) N-(5-(5-bromo-1H-benzo[d]imidazolyl)-3',4'-difluorobiphenylyl)acet-
amide
The compound was prepared from the compound of Example 150(d) (0.4 g, 0.93
mmol) using the procedure of Example 148(e) to give the product in 97 % yield (0.4 g).
f) N-(3',4'-difluoro(5-(1-methyl-1H-pyrazolyl)-1H-benzo[d]imidazolyl)-
biphenylyl)acetamide
The compound was prepared from the compound of Example 150(e) (0.1 g,
0.226 mmol) using the procedure of Example 148(f) to give the product in 30 % yield
(30 mg). H NMR (300 MHz, DMSO-d ): δ 10.43 (s, 1H), 9.03 (s, 1H), 8.24 (s, 1H),
8.09 (s, 1H), 8.01 (s, 1H), 7.97 (s, 1H), 7.90-7.85 (s, 2H), 7.76-7.74 (m, 1H), 7.71 (s,
1H), 7.68-7.66 (m, 1H), 7.61-7.59 (m, 2H), 3.88 (s, 3H), 2.13 (s, 3H); LC-MS (ESI):
Calculated mass: 443.45; Observed mass: 444.1 [M+H] (rt: 1.3 min).
Example 151.
N-(2',6'-difluoro(5-(1-methyl-1H-pyrazolyl)-1H-benzo[d]imidazolyl)-
biphenylyl)acetamide
a) N-(2',6'-difluoronitrobiphenylyl)acetamide
A solution of N-(3-bromonitrophenyl)acetamide of Example 1(c) (20 g, 77
mmol) in 1,2-dimethoxyethane (250 ml) was degassed by N bubbling for 5 min. 2,6-
Difluorophenylboronic acid (14.6 g, 92.4 mmol, 1.2 eq.) was added and the mixture was
degassed for another 5 min. Pd(dppf)Cl (6.28 g, 7.7 mmol, 0.1 eq.) and aqueous
sodium carbonate (24.49 g, 231 mmol, 3.0 eq.) were added and the procedure of
Example 1(d) was followed. The crude residue of the product was purified by column
chromatography (60-120 silica gel, 30 % ethyl acetate in hexane) to give the product in
94 % yield (21.2 g). LC-MS (ESI): Calculated mass: 292.24; Observed mass: 293.1
[M+H] (rt: 1.49 min).
b) N-(5-amino-2',6'-difluorobiphenylyl)acetamide
The compound was prepared from the compound of Example 151(a) (21 g, 72
mmol) using the procedure of Example 148(b) to give the product in 95 % yield (18 g).
c) N-(5-(4-bromonitrophenylamino)-2',6'-difluorobiphenylyl)acetamide
The compound was prepared from the compound of Example 151(b) (8 g, 30.5
mmol) using the procedure of Example 148(c) to give the product in 96 % yield (13.5
g).
d) N-(5-(2-aminobromophenylamino)-2',6'-difluorobiphenylyl)acetamide
The compound was prepared from the compound of Example 151(c) (13.5 g,
29.22 mmol) using the procedure of Example 148(d) to give the product in 95 % yield
(12 g).
e) N-(5-(5-bromo-1H-benzo[d]imidazolyl)-2',6'-difluorobiphenylyl)-
acetamide
The compound was prepared from the compound of Example 151(d) (12 g,
27.84 mmol) using the procedure of Example 148(e) to give the product in 96 % yield
(11.8 g).
f) N-(2',6'-difluoro(5-(1-methyl-1H-pyrazolyl)-1H-benzo[d]imidazolyl)-
biphenylyl)acetamide
The compound was prepared from the compound of Example 151(e) (2.5 g, 5.67
mmol) using the procedure of Example 148(f) to give the product in 84 % yield (2.1 g).
H NMR (400 MHz, DMSO-d ): δ 10.39 (s, 1H), 8.56 (s, 1H), 8.18 (s, 1H), 8.05 (s,
1H), 7.97 (s, 1H), 7.92 (s, 1H), 7.71-7.47 (m, 5H), 7.27 (t, 2H), 3.85 (s, 3H), 2.09 (s,
3H); LC-MS (ESI): Calculated mass: 443.45; Observed mass: 444.0 [M+H] (rt: 1.34
min).
Example 152.
N-(5-(5-(1H-pyrazolyl)-1H-benzo[d]imidazolyl)-2',6'-difluorobiphenyl
yl)acetamide
To a solution of the compound of Example 151(e) (2.5 g, 5.67 mmol) in DMF
(20 ml) were added pyrazole (0.96 g, 14.18 mmol, 2.5 eq.), copper(I) oxide (0.81 g, 5.67
mmol, 1 eq.) and cesium carbonate (4.6 g, 14.18 mmol, 2.5 eq.) and the mixture was
heated at 90 C for 48 h. The mixture was quenched and extracted as in Example 1(d).
The solvent was distilled off and the residue was purified by preparative HPLC to give
the product in 91 % yield (2.2 g). H NMR (300 MHz, DMSO-d ): δ 10.43 (s, 1H), 8.67
(s, 1H), 8.57 (d, 1H), 8.20 (d, 1H), 8.06 (s, 1H), 7.92-7.88 (m, 1H), 7.77-7.74 (m, 3H),
7.53-7.49 (m, 2H), 7.30-7.25 (m, 2H), 6.54 (t, 1H), 2.1 (s, 3H); LC-MS (ESI):
Calculated mass: 429.42; Observed mass: 430.1 [M+H] (rt: 1.50 min).
Example 153.
N-(3-(1-methyl-1H-pyrazolyl)(5-(1-methyl-1H-pyrazolyl)-1H-benzo[d]-
imidazolyl)phenyl)acetamide
a) N-(3-(1-methyl-1H-pyrazolyl)nitrophenyl)acetamide
A solution of N-(3-bromonitrophenyl)acetamide (0.5 g, 1.9 mmol) in 1,2-di-
methoxyethane (20 ml) was degassed by N bubbling for 5 min. 1-Methyl(4,4,5,5-
tetramethyl-1,3,2-dioxaborolanyl)-1H-pyrazole (0.513 g, 2.47 mmol, 1.3 eq.) was
added and the mixture was degassed for another 5 min. Pd(dppf)Cl (0.155 g, 0.19
mmol, 0.1 eq.) and aqueous sodium carbonate (0.5 g, 4.75 mmol, 2.5 eq.) were added
and the procedure of Example 1(d) was followed. The crude residue of the product was
purified by column chromatography (60-120 silica gel, 30 % ethyl acetate in hexane) to
give the product in 81 % yield (0.4 g).
b) N-(3-amino(1-methyl-1H-pyrazolyl)phenyl)acetamide
To a solution of the compound of Example 153(a) (0.4 g, 1.54 mmol) in ethanol
(25 ml) were added calcium chloride (0.34 g, 3.08 mmol, 2 eq.) and iron powder (0.16
g, 3.08 mmol, 2 eq.) and the mixture was heated at 100 C for 2 h and filtered. The
filtrate was diluted with water and extracted as in Example 1(d). The solvent was
distilled off to afford the product in 85 % yield (0.3 g). LC-MS (ESI): Calculated mass:
230.27; Observed mass: 231.1 [M+H] (rt: 0.225 min).
c) N-(3-(4-bromonitrophenylamino)(1-methyl-1H-pyrazolyl)phenyl)-
acetamide
A solution of the compound of Example 153(b) (0.3 g, 1.3 mmol), 4-bromo
fluoronitrobenzene (0.29 g, 1.3 mmol, 1.0 eq.) and potassium fluoride (0.075 g, 1.3
mmol, 1.0 eq.) in DMF (5 ml) was heated at 100 C for 12 h. The mixture was quenched
and extracted as in Example 1(d). The solvent was distilled off and the residue was
directly used for the next step.
d) N-(3-(2-aminobromophenylamino)(1-methyl-1H-pyrazolyl)phenyl)-
acetamide
To a solution of the compound of Example 153(c) (0.6 g, 1.3 mmol) in ethanol
(20 ml) were added calcium chloride (0.29 g, 2.6 mmol, 2 eq.) and iron powder (0.14 g,
2.6 mmol, 2 eq.) and the mixture was heated at 100 C for 2 h and filtered. The filtrate
was diluted with water and extracted as in Example 1(d). The solvent was distilled off
and the residue was directly used for the next step.
e) N-(3-(5-bromo-1H-benzo[d]imidazolyl)(1-methyl-1H-pyrazolyl)-
phenyl)acetamide
A mixture of the compound of Example 153(d) (0.52 g, 1.3 mmol) and formic
acid (2 ml) was heated at 100 C for 30 min. The formic acid was distilled off and the
residue was dissolved in ethyl acetate. The ethyl acetate layer was washed with water,
brine and dried over sodium sulphate. The solvent was distilled off to afford the
product in 54 % yield (0.28 g). LC-MS (ESI): Calculated mass: 410.27; Observed mass:
411.0 [M+H] (rt: 0.84 min).
f) N-(3-(1-methyl-1H-pyrazolyl)(5-(1-methyl-1H-pyrazolyl)-1H-
benzo[d]imidazolyl)phenyl)acetamide
A solution of the compound of Example 153(e) (0.15 g, 0.365 mmol) in 1,2-
dimethoxyethane (10 ml) was degassed by N bubbling for 5 min. 1-Methyl(4,4,5,5-
tetramethyl-1,3,2-dioxaborolanyl)-1H-pyrazole (0.091 g, 0.439 mmol, 1.2 eq.) was
added and the mixture was degassed for another 5 min. Pd(PPh ) (0.043 g, 0.037 mmol,
0.1 eq.) and aqueous sodium carbonate (0.077 g, 0.73 mmol, 2.0 eq.) were added and
the procedure of Example 1(d) was followed. The crude residue of the product was
purified by preparative HPLC to give the product in 12 % yield (18 mg). H NMR (300
MHz, CD OD): δ 9.39 (s, 1H), 8.10-7.91 (m, 6H), 7.80-7.77 (m, 3H), 7.63 (s, 1H), 3.96
(s, 6H), 2.20 (s, 3H); LC-MS (ESI): Calculated mass: 443.45; Observed mass: 411.46
[M+H] (rt: 0.28 min).
Example 154.
N-(3-(5-(1-methyl-1H-pyrazolyl)-1H-benzo[d]imidazolyl)(2-oxopyri-
din-1(2H)-yl)phenyl)acetamide
a) N-(3-nitro(2-oxopyridin-1(2H)-yl)phenyl)acetamide
To a solution of N-(3-bromonitrophenyl)acetamide (1 g, 3.85 mmol), pyridin-
2-ol (0.4 g, 4.24 mmol, 1.1 eq.), potassium carbonate (1 g, 1.3 mmol, 1.0 eq.) and
copper(I) iodide (10 mg) in toluene (20 ml) was added trans cyclohexyl diamine ( 5 mg,
0.039 mmol, 0.01 eq.) and the mixture was heated at 100 C for 16 h. The mixture was
quenched and extracted as in Example 1(d). The solvent was distilled off and the residue
was purified by column chromatography (60-120 silica gel, 50 % ethyl acetate in
hexane) to give the product in 95 % yield (1 g).
b) N-(3-amino(2-oxopyridin-1(2H)-yl)phenyl)acetamide
To a solution of the compound of Example 154(a) (1.2 g, 4.4 mmol) in ethanol
(20 ml) and water (2 ml) were added calcium chloride (0.98 g, 8.8 mmol, 2 eq.) and iron
powder (0.46 g, 8.8 mmol, 2 eq.) and the mixture was heated at 100 C for 4 h and
filtered. The filtrate was diluted with water and extracted as in Example 1(d). The
solvent was distilled off to afford the product in 89 % yield (0.95 g). LC-MS (ESI):
Calculated mass: 243.26; Observed mass: 244.1 [M+H] (rt: 0.19 min)
c) N-(3-(4-bromonitrophenylamino)(2-oxopyridin-1(2H)-yl)phenyl)-
acetamide
A solution of the compound of Example 154(b) (0.95 g, 3.9 mmol), 4-bromo
fluoronitrobenzene (0.86 g, 3.9 mmol, 1.0 eq.) and potassium fluoride (0.23 g, 3.9
mmol, 1.0 eq.) in DMF (1 ml) was heated at 150 C for 2 h. The mixture was quenched
and extracted as in Example 1(d). The solvent was distilled off and the residue was
purified by column chromatography (100-200 silica gel, 1 % methanol in DCM) to give
the product in 69 % yield (1.2 g).
d) N-(3-(2-aminobromophenylamino)(2-oxopyridin-1(2H)-yl)phenyl)acet-
amide
To a solution of the compound of Example 154(c) (1.2 g, 2.7 mmol) in ethanol
(20 ml) were added calcium chloride (0.6 g, 5.4 mmol, 2 eq.) and iron powder (0.28 g,
.4 mmol, 2 eq.) and the mixture was heated at 100 C for 4 h and filtered. The mixture
was quenched and extracted as in Example 1(d). The solvent was distilled off and the
crude residue was directly used for the next step.
e) N-(3-(5-bromo-1H-benzo[d]imidazolyl)(2-oxopyridin-1(2H)-yl)phenyl)-
acetamide
A mixture of the compound of Example 154(d) (1.12 g, 2.7 mmol) and formic
acid (1 ml) was heated at 100 C for 2 h. The formic acid was distilled off and the
residue was dissolved in ethyl acetate. The ethyl acetate layer was washed with water,
brine and dried over sodium sulphate. The solvent was distilled off to afford the
product in 61 % yield (0.7 g). LC-MS (ESI): Calculated mass: 423.26; Observed mass:
424.9 [M+H] (rt: 1.065 min).
f) N-(3-(5-(1-methyl-1H-pyrazolyl)-1H-benzo[d]imidazolyl)(2-oxopyri-
din-1(2H)-yl)phenyl)acetamide
A solution of the compound of Example 154(e) (0.7 g, 1.65 mmol) in 1,2-
dimethoxyethane (10 ml) was degassed by N bubbling for 5 min. 1-Methyl(4,4,5,5-
tetramethyl-1,3,2-dioxaborolanyl)-1H-pyrazole (0.41 g, 1.98 mmol, 1.2 eq.) was
added and the mixture was degassed for another 5 min. Pd(PPh ) (0.19 g, 0.165 mmol,
0.1 eq.) and aqueous sodium carbonate (0.35 g, 3.3 mmol, 2.0 eq.) were added and the
procedure of Example 1(d) was followed. The crude residue of the product was
purified by preparative HPLC to give the product in 64 % yield (0.45 g). H NMR (300
MHz, CD OD-d ): δ 9.35 (s, 1H), 8.29-8.28 (m, 1H), 8.11 (s, 1H), 8.00 (s, 1H), 7.94 (d,
1H), 7.86-7.83 (m, 2H), 7.77-7.73 (m, 2H), 7.67-7.63 (m, 1H), 7.59 (t, 1H), 6.70-6.67
(m, 1H), 6.55 (dt, 1H), 3.96 (s, 3H), 2.20 (s, 3H); LC-MS (ESI): Calculated mass:
424.45; Observed mass: 425.2 [M+H] (rt: 0.23 min).
Example 155.
N-(3-(5-(1-methyl-1H-pyrazolyl)-1H-benzo[d]imidazolyl)(1H-1,2,4-
triazolyl)phenyl)acetamide
a) N-(3-nitro(1H-1,2,4-triazolyl)phenyl)acetamide
To a solution of N-(3-bromonitrophenyl)acetamide (5 g, 19.3 mmol) in DMF
(50 ml) were added 1,2,4-triazole (3.3 g, 48.25 mmol, 2.5 eq.), copper(I) oxide (0.56 g,
3.86 mmol, 0.2 eq.) and cesium carbonate (12.5 g, 38.6 mmol, 2 eq.) and the mixture
was heated at 90 C for 48 h. The mixture was quenched and extracted as in Example
1(d). The solvent was distilled off and the residue was purified by column chromato-
graphy (60-120 silica gel, 30 % ethyl acetate in hexane) to give the product in 86 %
yield (4.1 g). LC-MS (ESI): Calculated mass: 247.21; Observed mass: 248.0 [M+H]
(rt: 0.257 min).
b) N-(3-amino(1H-1,2,4-triazolyl)phenyl)acetamide
To a solution of the compound of Example 155(a) (4.1 g, 16.6 mmol) in THF
(50 ml) and methanol (10 ml) were added ammonium chloride (0.88 g, 16.6 mmol) and
zinc (1.08 g, 16.6 mmol). The mixture was stirred at RT overnight and filtered. The
filtrate was diluted with water and extracted as in Example 1(d). The solvent was
distilled off and the residue was purified by column chromatography (60-120 silica gel,
3 % methanol in DCM) to give the product in 94 % yield (3.4 g).
c) N-(3-(4-bromonitrophenylamino)(1H-1,2,4-triazolyl)phenyl)acet-
amide
A solution of the compound of Example 155(b) (3.43 g, 15.67 mmol), 4-bromo-
1-fluoronitrobenzene (3.4 g, 15.67 mmol, 1.0 eq.) and potassium fluoride (0.91 g,
.67 mmol, 1.5 eq.) in DMF (5 ml) was heated at 80 C for 7 h. The mixture was
quenched and extracted as in Example 1(d). The solvent was distilled off and the residue
was purified by column chromatography (60-120 silica gel, 4 % methanol in DCM) to
give the product in 80 % yield (5.2 g).
d) N-(3-(2-aminobromophenylamino)(1H-1,2,4-triazolyl)phenyl)acet-
amide
To a solution of the compound of Example 155(c) N-(3-(4-bromonitro-
phenylamino)(1H-1,2,4-triazolyl)phenyl)acetamide (5.2 g, 12.5 mmol) in ethanol
(100 ml) were added calcium chloride (2.78 g, 25 mmol, 2 eq.) and iron powder (1.3 g,
mmol, 2 eq.) and the mixture was heated at 100 C for 4 h and filtered. The filtrate
was diluted with water and extracted as in Example 1(d). The solvent was distilled off
and the crude residue was directly used for the next step.
e) N-(3-(5-bromo-1H-benzo[d]imidazolyl)(1H-1,2,4-triazolyl)phenyl)-
acetamide
A mixture of the compound of Example 155(d) (4.84 g, 12.5 mmol) and formic
acid (10 ml) was heated at 80 C for 2 h. The formic acid was distilled off and the
residue was dissolved in ethyl acetate. The ethyl acetate layer was washed with water,
brine and dried over sodium sulphate. The solvent was distilled off to afford the
product in 85 % yield (4.2 g).
f) N-(3-(5-(1-methyl-1H-pyrazolyl)-1H-benzo[d]imidazolyl)(1H-1,2,4-
triazolyl)phenyl)acetamide
A solution of the compound of Example 155(e) (100 mg, 0.25 mmol) in 1,2-
dimethoxyethane (10 ml) was degassed by N bubbling for 5 min. 1-Methyl(4,4,5,5-
tetramethyl-1,3,2-dioxaborolanyl)-1H-pyrazole (62 mg, 0.3 mmol, 1.2 eq.) was added
and the mixture was degassed for another 5 min. Pd(PPh ) (35 mg, 0.03 mmol, 0.12
eq.) and aqueous sodium carbonate (0.53 g, 0.5 mmol, 2.0 eq.) were added and the
procedure of Example 1(d) was followed. The crude residue of the product was
purified by preparative HPLC to give the product in 50 % yield (50 mg). H NMR (400
MHz, DMSO-d ): δ 10.50 (s, 1H), 9.36 (s, 1H), 8.77 (s, 1H), 8.28 (s, 1H), 8.19-8.18 (m,
2H), 8.00-7.93 (m, 4H), 7.72 (d, 1H), 7.60 (dd, 1 H), 3.86 (s, 3H), 2.11 (s, 3H); LC-MS
(ESI): Calculated mass: 398.42; Observed mass: 399.4 [M+H] (rt: 0.13 min).
Example 156.
N-(3-(5-(1-methyl-1H-pyrazolyl)-1H-benzo[d]imidazolyl)(thiazol
yl)phenyl)acetamide
a) N-(3-nitro(4,4,5,5-tetramethyl-1,3,2-dioxaborolanyl)phenyl)acetamide
A solution of N-(3-bromonitrophenyl)acetamide (2.1 g, 8.1 mmol) in 1,2-di-
methoxyethane (25 ml) was degassed by N bubbling for 5 min. Bis(pinacolato)diboron
(3.09 g, 12.15 mmol, 1.3 eq.) was added and the mixture was degassed for another 5
min. Pd(dppf)Cl (0.066 g, 0.081 mmol, 0.1 eq.) and potassium acetate (2.38 g, 24.3
mmol, 3 eq.) were added and the procedure of Example 1(d) was followed. The crude
residue of the product was purified by column chromatography (60-120 silica gel, 30 %
ethyl acetate in hexane) to give the product in 60 % yield (1.5 g).
b) N-(3-nitro(thiazolyl)phenyl)acetamide
A solution of the compound of Example 156(a) (2.8 g, 9.14 mmol) in 1,2-
dimethoxyethane (10 ml) was degassed by N bubbling for 5 min. 2-Bromothiazole (1 g,
9.14 mmol, 1 eq.) was added and the mixture was degassed for another 5 min.
Pd(dppf)Cl (0.74 g, 0.91 mmol, 0.1 eq.) and aqueous sodium carbonate (1.9 g, 18.2
mmol, 2 eq.) were added and the procedure of Example 1(d) was followed. The crude
residue of the product was purified by column chromatography (60-120 silica gel, 40 %
ethyl acetate in hexane) to give the product in 33 % yield (0.8 g). H NMR (300 MHz,
DMSO-d ): δ 10.64 (s, 1H), 8.65 (t, 1H), 8.55 (t, 1H), 8.34 (t, 1H), 8.04 (d, 1H), 7.94 (d,
1H), 2.13 (s, 3H).
c) N-(3-amino(thiazolyl)phenyl)acetamide
To a solution of the compound of Example 156(b) (0.8 g, 3.03 mmol) in
methanol (25 ml) and ethyl acetate (10 ml) was added 10 % Pd/C (300 mg, 0.1 eq.) and
the reaction vessel was purged with nitrogen gas for 5 min. The mixture was then
hydrogenated with H balloon for 12 h. The mixture was filtered through a pad of celite
and the filtrate was concentrated to afford the compound in 71 % yield (0.5 g). H NMR
(300 MHz, DMSO-d ): δ 9.83 (s, 1H), 7.86-7.85 (m, 1H), 7.71-7.70 (m, 1H), 7.35 (s,
1H), 7.04 (s, 1H), 6.88 (s, 1H), 5.45 (br s, 2H), 2.03 (s, 3H).
d) N-(3-(4-bromonitrophenylamino)(thiazolyl)phenyl)acetamide
A solution of the compound of Example 156(c) (0.5 g, 2.14 mmol), 4-bromo
fluoronitrobenzene (0.47 g, 2.14 mmol, 1.0 eq.) and potassium fluoride (0.19 g, 3.21
mmol, 1.5 eq.) in DMF was heated at 80 C for 7 h. The mixture was quenched and
extracted as in Example 1(d). The solvent was distilled off and the residue was purified
by column chromatography (60-120 silica gel, 40 % ethyl acetate in hexane) to give the
product in 24 % yield (0.22 g).
e) N-(3-(2-aminobromophenylamino)(thiazolyl)phenyl)acetamide
To a solution of the compound of Example 156(d) (0.22 g, 0.507 mmol) in THF
(15 ml) were added a solution of ammonium chloride (0.11 g, 2.02 mmol, 4 eq.) in
water (5 ml) and zinc (0.13 g, 2.02 mmol, 4 eq.). The mixture was stirred at RT
overnight and filtered. The filtrate was diluted with water and extracted as in Example
1(d). The solvent was distilled off to afford the product in 83 % yield (0.17 g).
f) N-(3-(5-bromo-1H-benzo[d]imidazolyl)(thiazolyl)phenyl)acetamide
A mixture of the compound of Example 156(e) (0.17 g, 0.42 mmol) and formic
acid (3 ml) was heated at 80 C for 2 h. The formic acid was distilled off and the crude
was dissolved in ethyl acetate. The ethyl acetate layer was washed with water, brine and
dried over sodium sulphate. The solvent was distilled off to afford the product in 86 %
yield (0.15 g). H NMR (300 MHz, DMSO-d ): δ 10.52 (s, 1H), 8.77 (s, 1H), 8.32 (s,
1H), 8.07-8.00 (m, 3H), 7.90-7.87 (m, 2H), 7.66-7.63 (m, 1H), 7.55 (s, 1H), 2.13 (s,
3H).
g) N-(3-(5-(1-methyl-1H-pyrazolyl)-1H-benzo[d]imidazolyl)(thiazol
yl)phenyl)acetamide
A solution of the compound of Example 156(f) (0.2 g, 0.48 mmol) in 1,2-
dimethoxyethane (15 ml) was degassed by N bubbling for 5 min. 1-Methyl(4,4,5,5-
tetramethyl-1,3,2-dioxaborolanyl)-1H-pyrazole (0.15 g, 0.73 mmol, 1.5 eq.) was
added and the mixture was degassed for another 5 min. Pd(PPh ) (0.11 g, 0.096 mmol,
0.2 eq.) and aqueous sodium carbonate (0.1 g, 0.96 mmol, 2.0 eq.) were added and the
procedure of Example 1(d) was followed. The crude residue of the product was
purified by preparative HPLC to give the product in 1.5 % yield (3 mg). H NMR (300
MHz, CD OD): δ 8.20-8.11(m, 2H), 8.05-7.82 (m, 5H), 7.68-7.61 (m, 3H), 7.55-7.45
(m, 1H), 3.88 (s, 3H), 2.12 (s, 3H); LC-MS (ESI): Calculated mass: 414.48; Observed
mass: 415.0 [M+H] (rt: 0.31 min).
Example 157.
N-(3-(1H-indolyl)(5-(1-methyl-1H-pyrazolyl)-1H-benzo[d]imidazol
yl)phenyl)acetamide
a) N-(3-nitro(1-(phenylsulfonyl)-1H-indolyl)phenyl)acetamide
A solution of N-(3-bromonitrophenyl)acetamide (0.38 g, 1.48 mmol) in 1,2-
dimethoxyethane (15 ml) was degassed by N bubbling for 5 min. 1-(Phenylsulfonyl)
(4,4,5,5-tetramethyl-1,3,2-dioxaborolanyl)-1H-indole (0.68 g, 1.77 mmol, 1.2 eq.)
was added and the mixture was degassed for another 5 min. Pd(dppf)Cl (0.12 g, 0.148
mmol, 0.1 eq.) and aqueous sodium carbonate (0.47 g, 4.45 mmol, 3.0 eq.) were added
and the procedure of Example 1(d) was followed. The crude residue of the product was
purified by column chromatography (60-120 silica gel, 30 % ethyl acetate in hexane) to
give the product in 77 % yield (0.5 g).
b) N-(3-amino(1-(phenylsulfonyl)-1H-indolyl)phenyl)acetamide
To a solution of the compound of Example 157(a) (1 g, 2.29 mmol) in methanol
(10 ml) was added 10 % Pd/C (100 mg, 0.1 eq.) and the reaction vessel was purged with
nitrogen gas for 5 min. The mixture was then hydrogenated with H balloon for 12 h.
The mixture was filtered through a pad of celite and the filtrate was concentrated to
afford the compound in 89 % yield (0.83 g).
c) N-(3-(4-bromonitrophenylamino)(1-(phenylsulfonyl)-1H-indolyl)-
phenyl)acetamide
A solution of the compound of Example 157(b) (0.83 g, 2.04 mmol), 4-bromo-
1-fluoronitrobenzene (0.45 g, 2.04 mmol, 1.0 eq.) and potassium fluoride (0.12 g,
2.04 mmol, 1.0 eq.) in DMF (10 ml) was heated at 130 C for 5 h. The mixture was
quenched and extracted as in Example 1(d). The solvent was distilled off and the residue
was purified by column chromatography (60-120 silica gel, 30 % ethyl acetate in
hexane) to give the product in 48 % yield (0.6 g).
d) N-(3-(2-aminobromophenylamino)(1-(phenylsulfonyl)-1H-indolyl)-
phenyl)acetamide
To a solution of the compound of Example 157(c) (0.61 g, 1 mmol) in THF (10
ml) and methanol (10 ml) were added a solution of ammonium chloride (0.53 g, 10
mmol, 10 eq.) in water (5 ml) and zinc (0.63 g, 10 mmol, 10 eq.). The mixture was
stirred at RT for 6 h and filtered. The filtrate was diluted with water and extracted as in
Example 1(d). The solvent was distilled off to give the product in 70 % yield (0.4 g).
e) N-(3-(5-bromo-1H-benzo[d]imidazolyl)(1-(phenylsulfonyl)-1H-indol
yl)phenyl)acetamide
A mixture of the compound of Example 157(d) (0.4 g, 0.7 mmol) and formic
acid (10 ml) was heated at 100 C for 30 min. The formic acid was distilled off and the
crude was dissolved in ethyl acetate. The ethyl acetate layer was washed with water,
brine and dried over sodium sulphate. The solvent was distilled off to afford the
product in 73 % yield (0.3 g).
f) N-(3-(5-(1-methyl-1H-pyrazolyl)-1H-benzo[d]imidazolyl)(1-(phenyl-
sulfonyl)-1H-indolyl)phenyl)acetamide
A solution of the compound of Example 157(e) (0.3 g, 0.5 mmol) in 1,2-
dimethoxyethane (15 ml) was degassed by N bubbling for 5 min. 1-Methyl(4,4,5,5-
tetramethyl-1,3,2-dioxaborolanyl)-1H-pyrazole (0.13 g, 0.62 mmol, 1.2 eq.) was
added and the mixture was degassed for another 5 min. Pd(PPh ) (0.057 g, 0.05 mmol,
0.1 eq.) and aqueous sodium carbonate (0.16 g, 1.54 mmol, 3.0 eq.) were added and the
procedure of Example 1(d) was followed. The crude residue of the product was
purified by column chromatography (60-120 silica gel, 50 % ethyl acetate in hexane) to
give the product in 100 % yield (0.29 g). LC-MS (ESI): Calculated mass: 586.66;
Observed mass: 587.2 [M+H] (rt: 1.53 min).
g) N-(3-(1H-indolyl)(5-(1-methyl-1H-pyrazolyl)-1H-benzo[d]imidazol-
1-yl)phenyl)acetamide
To a solution of the compound of Example 157(f) (0.3 g, 0.5 mmol, 1 eq.) in
THF (10 ml) and methanol (10 ml) was added cesium carbonate (0.33 g, 1 mmol, 2 eq.)
and the mixture was stirred at RT for 12 h. The mixture was quenched and extracted as
in Example 1(d). The solvent was distilled off to afford the product in 7 % yield (15
mg). H NMR (400 MHz, DMSO-d ): δ 11.52 (s, 1H), 10.33 (s, 1H), 8.65 (s, 1H), 8.19
(s, 1H), 8.04-7.89 (m, 4H), 7.68 (d, 1H), 7.60-7.58 (m, 2H), 7.49-7.47 (m, 3H), 7.21-
7.13 (m, 2H), 3.88 (s, 3H), 2.13 (s, 3H); LC-MS (ESI): Calculated mass: 446.50;
Observed mass: 447.1 [M+H] (rt: 0.55 min).
Example 158.
N-(3-(6-methoxypyridinyl)(5-(1-methyl-1H-pyrazolyl)-1H-benzo[d]-
imidazolyl)phenyl)acetamide
a) N-(3-(6-methoxypyridinyl)nitrophenyl)acetamide
A solution of N-(3-bromonitrophenyl)acetamide (1 g, 3.86 mmol) in 1,2-di-
methoxyethane (20 ml) was degassed by N bubbling for 5 min. (6-Methoxypyridin
yl)boronic acid (0.77 g, 5.0 mmol, 1.3 eq.) was added and the mixture was degassed for
5 min. Pd(dppf)Cl (0.630 g, 0.77 mmol, 0.2 eq.) and aqueous sodium carbonate (1.23 g,
11.58 mmol, 3.0 eq.) were added and the procedure of Example 1(d) was followed. The
crude residue of the product was purified by column chromatography (60-120 silica gel,
40 % ethyl acetate in hexane) to give the the product in 81 % yield (0.9 g).
b) N-(3-amino(6-methoxypyridinyl)phenyl)acetamide
To a solution of the compound of Example 158(a) (0.9 g, 3.13 mmol) in
methanol (50 ml) was added 10 % Pd/C (250 mg) and the reaction vessel was purged
with nitrogen gas for 5 min. The mixture was then hydrogenated with H balloon for a
period of 4 h. The mixture was filtered through a pad of celite and the filtrate was
concentrated to afford the compound in 99 % yield (0.8 g).
c) N-(3-((4-bromonitrophenyl)amino)(6-methoxypyridinyl)phenyl)acet-
amide
A solution of the compound of Example 158(b) (0.8 g, 3.11 mmol), 4-bromo
fluoronitrobenzene (0.68 g, 3.11 mmol, 1.0 eq.) and potassium fluoride (0.18 g, 3.111
mmol, 1.0 eq.) in DMF (5 ml) was heated at 90 C for 20 h. The mixture was quenched
and extracted as in Example 1(d). The solvent was distilled off and the residue was
purified by column chromatography (60-120 silica gel, 40 % ethyl acetate in hexane) to
give the product in 42 % yield (0.6 g). LC-MS (ESI): Calculated mass: 457.28;
Observed mass: 458.9 [M+H] (rt: 1.71 min).
d) N-(3-((2-aminobromophenyl)amino)(6-methoxypyridinyl)phenyl)-
acetamide
To a solution of the compound of Example 158(c) (0.3 g, 0.66 mmol) in ethanol
(20 ml) and water (5 ml) were added calcium chloride (0.73 g, 6.6 mmol, 10 eq.) and
iron powder (0.36 g, 6.6 mmol, 10 eq.) and the mixture was heated at 90 C for 6 h and
filtered. The filtrate was diluted with water and extracted as in Example 1(d). The
solvent was distilled off and the crude residue was directly used for the next step.
e) N-(3-(5-bromo-1H-benzo[d]imidazolyl)(6-methoxypyridinyl)phenyl)-
acetamide
A mixture of the compound of Example 158(d) (0.26 g, 0.61 mmol) and formic
acid (5 ml) was heated at 100 C for 2 h. The formic acid was distilled off and the crude
was dissolved in ethyl acetate. The ethyl acetate layer was washed with water, brine and
dried over sodium sulphate. The solvent was distilled off and the residue was purified
by column chromatography (60-120 silica gel, 10 % methanol in chloroform) to give the
product in 86 % yield (0.23 g). LC-MS (ESI): Calculated mass: 437.29; Observed mass:
438.0 [M+H] (rt: 1.52 min).
f) N-(3-(6-methoxypyridinyl)(5-(1-methyl-1H-pyrazolyl)-1H-benzo[d]-
imidazolyl)phenyl)acetamide
A solution of the compound of Example 158(e) (0.22 g, 0.5 mmol) in 1,2-
dimethoxyethane (20 ml) was degassed by N bubbling for 5 min. 1-Methyl(4,4,5,5-
tetramethyl-1,3,2-dioxaborolanyl)-1H-pyrazole (0.11 g, 0.55 mmol, 1.1 eq.) was
added and the mixture was degassed for another 5 min. Pd(PPh ) (0.116 g, 0.1 mmol,
0.2 eq.) and aqueous sodium carbonate (0.16 g, 1.5 mmol, 3.0 eq.) were added and the
procedure of Example 1(d) was followed. The crude residue of the product was
purified by preparative HPLC to give the product in 18 % yield (40 mg). H NMR (300
MHz, DMSO-d ): δ 10.4 (s, 1H), 8.82 (s, 1H), 8.55 (s, 1H), 8.23 (s, 1H), 8.1-8.04 (m,
2H), 7.98-7.91 (m, 2H), 7.85 (s, 1H), 7.74-7.65 (m, 3H), 6.97 (d, 1H), 3.92 (s, 3H), 3.88
(s, 3H), 2.12 (s, 3H); LC-MS (ESI): Calculated mass: 438.48; Observed mass: 439.1
[M+H] (rt: 0.4 min).
Example 159.
N-(5-(5-(1H-pyrazolyl)-1H-benzo[d]imidazolyl)-2',4'-difluoro-[1,1'-bi-
phenyl]yl)propionamide
To a solution of the compound of Example 29(a) (0.5 g, 1.3 mmol) in DMF (10
ml) was added HATU (0.98 g, 2.6 mmol, 2.0 eq.) followed by DIPEA (0.5 g, 3.9 mmol,
3 eq.) and propionic acid (0.19 g, 2.6 mmol, 2.0 eq.). The mixture was stirred for 4 h
and then quenched and extracted as in Example 1(d). The solvent was distilled off and
the residue was purified by preparative HPLC to give the product in 9 % yield (50 mg).
H NMR (300 MHz, DMSO-d ): δ 10.12 (s, 1H), 8.9-8.8 (s, 1H ), 8.6 (d, 1H), 8.2 (s,
1H), 8.12 (s, 1H), 7.95 (d, 1H), 7.89-7.82 (m, 2H), 7.8-7.7 (m, 2H), 7.55 (s, 1H), 7.45-
7.40 (m, 1H), 7.3-7.22 (m, 1H), 6.6-6.52 (s, 1H), 2.4 (quartet, 2H), 1.15 (t, 3H); LC-MS
(ESI): Calculated mass: 443.45; Observed mass: 444.1 [M+H] (rt: 1.58 min).
Example 160.
N-(5-(5-(1H-pyrazolyl)-1H-benzo[d]imidazolyl)-2',4'-difluoro-[1,1'-
biphenyl]yl)isobutyramide
The compound was prepared from the compound of Example 29(a) using the
procedures of Example 159. H NMR (300 MHz, DMSO-d ): δ 10.28 (s, 1H), 8.8 (s,
1H), 8.58 (d, 1H), 8.22 (d, 1H), 8.11 (s, 1H), 7.95 (d, 1H), 7.92 (d, 1H), 7.87 (d, 1H),
7.82 (s, 1H), 7.78 (s, 1H), 7.53 (s, 1H), 7.45 (d, 1H), 7.25 (s, 1H), 6.55-6.54 (m, 1H),
2.67-2.58 (m, 1H), 1.12 (d, 6H); LC-MS (ESI): Calculated mass: 457.47; Observed
mass: 458.1 [M+H] (rt: 1.6 min).
Example 161.
N-(5-(5-(1H-pyrazolyl)-1H-benzo[d]imidazolyl)-2',4'-difluoro-[1,1'-bi-
phenyl]yl)cyclopropanecarboxamide
The compound was prepared from the compound of Example 29(a) using the
procedures of Example 159. H NMR (300 MHz, DMSO-d ): δ 10.63 (s, 1H), 8.72 (s,
1H), 8.57 (d, 1H), 8.21 (d, 1H), 8.08 (s, 1H), 7.93-7.74 (m, 5H), 7.52 (s, 1H), 7.46-7.39
(m, 1H), 7.29-7.23 (m, 1H), 6.55 (s, 1H), 1.85-1.79 (m, 1H), 0.87 (d, 4H); LC-MS
(ESI): Calculated mass: 455.46; Observed mass: 456.1 [M+H] (rt: 1.58 min).
Example 162.
N-(5-(5-(1H-pyrazolyl)-1H-benzo[d]imidazolyl)-2',4'-difluoro-[1,1'-bi-
phenyl]yl)pivalamide
The compound was prepared from the compound of Example 29(a) using the
procedures of Example 159. H NMR (400 MHz, DMSO-d ): δ 9.65 (s, 1H), 8.74 (s,
1H), 8.0 (d, 1H), 8.23 (d, 1H), 8.17 (s, 1H), 8.01 (s, 1H), 7.95-7.92 (m, 1H), 7.84-7.81
(m, 1H), 7.78-7.72 (m, 2H), 7.54 (s, 1H), 7.48-7.42 (m, 1H), 7.29-7.25 (m, 1H), 6.57-
6.56 (m, 1H), 1.27 (s, 9H); LC-MS (ESI): Calculated mass: 471.5; Observed mass:
472.2 [M+H] (rt: 1.68 min).
Example 163.
N-(5-(5-(1H-pyrazolyl)-1H-benzo[d]imidazolyl)-2',4'-difluoro-[1,1'-bi-
phenyl]yl)morpholinoacetamide
To a solution of the compound of Example 29(a) (0.1 g, 0.26 mmol) in DMF (3
ml) was added EDC (74 mg, 0.39 mmol, 1.5 eq.), HOBt (70 mg, 0.52 mmol, 2 eq.)
followed by DIPEA (0.1 g, 0.77 mmol, 3 eq.) and 2-morpholinoacetic acid (Intermediate
Example 10) (56 mg, 0.39 mmol, 1.5 eq.). The mixture was stirred for 12 h and then
quenched and extracted as in Example 1(d). The solvent was distilled off and the crude
residue was purified by preparative HPLC to give the product in 27 % yield (36 mg). H
NMR (400 MHz, D O): δ 8.74 (s, 1H), 8.60 (d, 1H), 8.24 (d, 1H), 8.14 (s, 1H), 7.96-
7.91 (m, 2H), 7.84-7.76 (m, 3H), 7.57 (s, 1H),7.49-7.40 (m, 1H), 7.35-7.22 (m, 1H),
6.56 (m, 1H), 3.66 (t, 4H), 3.61-3.59 (m, 4H), 3.21 (s, 2H); LC-MS (ESI): Calculated
mass: 514.53; Observed mass: 515.1 [M+H] (rt: 0.53 min).
Example 164.
N-(2',4'-difluoro(5-(1-(1-methylpiperidinyl)-1H-1,2,3-triazolyl)-1H-
benzo[d]imidazolyl)-[1,1'-biphenyl]yl)acetamide
A mixture of the compound of Example 17(e) (0.7 g, 1.8 mmol), 4-azido
methylpiperidine (0.3 g, 2.17 mmol, 1.2 eq.), sodium ascorbate (0.35 g, 1.8 mmol, 1.0
eq.) and copper sulfate pentahydrate (0.22 g, 0.9 mmol, 0.5 eq.) in DMSO, DCM and
water (1:1:1, 3 ml) was stirred for 12 h at RT. The mixture was quenched with water
and the precipitate formed was filtered and dried to give the crude product which was
recrystallized from diethyl ether to give the product in 71 % yield (0.67 g). H NMR
(300 MHz, DMSO-d ): δ 10.41 (s, 1H), 8.75 (s, 2H), 8.28 (d, 1H), 8.11 (s, 1H), 7.95-
7.92 (m, 1H), 7.81-7.74 (m, 2H), 7.53 (s, 1H), 7.45 (m, 1H), 7.27 (m, 1H), 3.66-3.62 (m,
1H), 3.26-3.22 (m, 4H), 2.87 (s, 3H), 2.27-2.22 (m, 4H), 2.12 (m, 3H); LC-MS (ESI):
Calculated mass: 527.57; Observed mass: 528.2 [M+H] (rt: 0.19 min).
Example 165.
N-(2',4'-difluoro(5-(1-(1-methylpiperidinyl)-1H-1,2,3-triazolyl)-1H-
benzo[d]imidazolyl)-[1,1'-biphenyl]yl)ethanesulfonamide
a) 2',4'-difluoro(5-(1-(1-methylpiperidinyl)-1H-1,2,3-triazolyl)-1H-
benzo[d]imidazolyl)-[1,1'-biphenyl]amine
A solution of the compound of Example 164 (0.48 g, 0.91 mmol) in 6 N HCl
(10 ml) was heated at 70 C for 3 h. The mixture was quenched with NaHCO solution
and extracted as in Example 1(d). The solvent was distilled off to afford the product in
27 % yield (0.12 g).
b) N-(2',4'-difluoro(5-(1-(1-methylpiperidinyl)-1H-1,2,3-triazolyl)-1H-
benzo[d]imidazolyl)-[1,1'-biphenyl]yl)ethanesulfonamide
To a solution of the compound of Example 165(a) (60 mg, 0.123 mmol) in
DCM (2 ml) was added pyridine (19 mg, 0.246 mmol, 2.0 eq.) followed by
ethanesulfonyl chloride (19 mg, 0.148 mmol, 1.2 eq.). The reaction was monitored by
LCMS. After completion of the reaction the solvent was removed under reduced
pressure and the crude product was purified by flash chromatography (using 2 %
methanol in chloroform) to give the product in 13 % yield (9 mg). LC-MS (ESI):
Calculated mass: 577.65; Observed mass: 578.2 [M+H] (rt: 0.42 min).
Example 166.
N-(2',4'-difluoro(5-(1-(1-methylpiperidinyl)-1H-1,2,3-triazolyl)-1H-
benzo[d]imidazolyl)-[1,1'-biphenyl]yl)cyclopropanesulfonamide
The compound was prepared from the compound of Example 164 using the
procedures of Example 165 and cyclopropane sulfonyl chloride. LC-MS (ESI):
Calculated mass: 553.61; Observed mass: 554.2 [M+H] (rt: 0.57 min).
Example 167.
N-(2',4'-difluoro(5-(1-isopropyl-1H-pyrazolyl)-1H-benzo[d]imidazolyl)-
[1,1'-biphenyl]yl)acetamide
The compound was prepared from compound of Intermediate Example 12 using
the procedure of Example 8. H NMR (300 MHz, DMSO-d ): δ 10.43 (s, 1H), 9.12 (s,
1H), 8.34 (s, 1H), 8.12 (s, 1H), 8.02-7.97 (m, 2H), 7.81 (s, 1H), 7.75-7.67 (m, 3H), 7.55
(s, 1H), 7.47-7.41 (m, 1H), 7.29-7.22 (m, 1H), 4.52-4.45 (m, 1H), 2.10 (s, 3H), 1.45 (d,
6H); LC-MS (ESI): Calculated mass: 471.5; Observed mass: 471.6 [M+H] (rt: 1.4
min).
Example 168.
N-(2',4'-difluoro(5-(1-methyl-1H-pyrazolyl)-1H-benzo[d]imidazolyl)-
[1,1'-biphenyl]yl)acetamide
a) N-(5-((4-acetylnitrophenyl)amino)-2',4'-difluoro-[1,1'-biphenyl]yl)acet-
amide
A solution of the compound of Example 1(e) (0.6 g, 2.28 mmol), 1-(4-fluoro
nitrophenyl)ethanone (0.4 g, 2.28 mmol, 1.0 eq.) and potassium fluoride (0.26 g, 4.56
mmol, 2.0 eq.) in DMF was heated at 80 C for 7 h. The mixture was quenched and
extracted as in Example 1(d). The solvent was distilled off and the residue was purified
by column chromatography (60-120 silica gel, 1 % methanol in chloroform) to give the
product in 68 % yield (0.66 g). H NMR (300 MHz, DMSO-d ): δ 10.18 (s, 1H), 9.83 (s,
1H), 8.63 (d, 1H), 8.01 (m, 1H), 7.71 (s, 1H), 7.59 (m, 2H), 7.35 (m, 1H), 7.27-7.16 (m,
3H), 2.52 (s, 3H), 2.05 (s, 3H).
b) (E)-N-(5-((4-(3-(dimethylamino)acryloyl)nitrophenyl)amino)-2',4'-difluoro-
[1,1'-biphenyl]yl)acetamide
To a solution of the compound of Example 168(a) (0.66 g, 1.55 mmol) in DMF
(4 ml) and ethanol (4 ml) was added DMF dimethylacetal (7 ml) and stirred at 110 C
for 12 h. The mixture was extracted as in Example 1(d). The solvent was distilled off to
give the product in 89 % yield (0.66 g) which was directly used for the next step.
c) N-(2',4'-difluoro((4-(1-methyl-1H-pyrazolyl)nitrophenyl)amino)-[1,1'-
biphenyl]yl)acetamide
To a solution of the compound of Example 168(b) (0.66 g, 1.37 mmol) in
ethanol (15 ml) was added methyl hydrazine (7 ml) and stirred at RT overnight. The
mixture was quenched with chilled water and the solid formed was filtered, washed with
water and used for the next step. H NMR (300 MHz, DMSO-d ): δ 10.12 (s, 1H), 9.52
(s, 1H), 8.19 (d, 1H), 7.73-7.60 (m, 2H), 7.59-7.54 (m, 2H), 7.46-7.35 (m, 3H), 7.30-
7.14 (m, 2H), 6.44 (d, 1H), 3.85 (s, 3H), 2.05 (s, 3H).
d) N-(5-((2-amino(1-methyl-1H-pyrazolyl)phenyl)amino)-2',4'-difluoro-
[1,1'-biphenyl]yl)acetamide
To a solution of the compound of Example 168(c) (0.5 g, 1.07 mmol) in THF
(20 ml) were added a solution of ammonium chloride (0.23 g, 4.28 mmol, 4 eq.) in
water (10 ml) and zinc (0.28 g, 4.28 mmol, 4 eq.). The mixture was stirred at RT for 4 h
and filtered. The filtrate was diluted with water and extracted as in Example 1(d). The
solvent was distilled off to afford the product in 65 % yield (0.3 g). LC-MS (ESI):
Calculated mass: 433.45; Observed mass: 434.1 [M+H] (rt: 0.49 min).
e) N-(2',4'-difluoro(5-(1-methyl-1H-pyrazolyl)-1H-benzo[d]imidazolyl)-
[1,1'-biphenyl]yl)acetamide
A mixture of the compound of Example 168(d) (0.3 g, 0.69 mmol) and formic
acid (3 ml) was heated at 100 C for 2 h. The formic acid was distilled off and the crude
was extracted with in ethyl acetate. The solvent was distilled off and the residue was
purified by preparative HPLC to give the product in 9 % yield (28 mg). H NMR (300
MHz, DMSO-d ): δ 10.42 (s, 1H), 8.81 (s, 1H), 8.10 (s, 1H), 7.96 (s, 1H), 7.83-7.72 (m,
3H), 7.54-7.42 (m, 4H), 7.30-7.25 (m, 1H), 6.45 (d, 1H), 3.9 (s, 3H), 2.13 (s, 3H); LC-
MS (ESI): Calculated mass: 443.45; Observed mass: 443.7 [M+H] (RT: 1.37 min).
Example 169.
N-(5-(5-(4,5-dihydro-1H-imidazolyl)-1H-benzo[d]imidazolyl)-2',4'-
difluoro-[1,1'-biphenyl]yl)acetamide
a) N-(5-((4-(4,5-dihydro-1H-imidazolyl)nitrophenyl)amino)-2',4'-difluoro-
[1,1'-biphenyl]yl)acetamide
To a solution of the compound of Example 22(a) (200 mg, 0.49 mmol) in DCM
(10 ml) at 0 C was added ethylene diamine (0.036 ml, 0.54 mmol, 1.1 eq.) followed by
N-bromosuccinimide (95 mg, 0.54 mmol, 1.1 eq.). The mixture was stirred for 12 h,
quenched with water and extracted as in Example 2(b). The solvent was distilled off and
the residue was purified column chromatography (60-120 silica gel, 20 % methanol in
chloroform) to give the product in 50 % yield (0.11 g). LC-MS (ESI): Calculated mass:
451.43; Observed mass: 452.1 [M+H] (rt: 0.63 min).
b) N-(5-((2-amino(4,5-dihydro-1H-imidazolyl)phenyl)amino)-2',4'-
difluoro-[1,1'-biphenyl]yl)acetamide
To a solution of the compound of Example 169(a) (0.11 g, 0.23 mmol) in THF
(10 ml) were added a solution of ammonium chloride (50 mg, 0.93 mmol, 4 eq.) in
water (10 ml) and zinc (60 mg, 0.93 mmol, 4 eq.). The mixture was stirred at RT for 4 h
and filtered. The filtrate was diluted with water and extracted as in Example 1(d). The
solvent was distilled off to afford the product in 88 % yield (85 mg). LC-MS (ESI):
Calculated mass: 421.44; Observed mass: 422.2 [M+H] (rt: 0.49 min).
c) N-(5-(5-(4,5-dihydro-1H-imidazolyl)-1H-benzo[d]imidazolyl)-2',4'-
difluoro-[1,1'-biphenyl]yl)acetamide
A mixture of the compound of Example 169(b) (80 mg, 0.19 mmol) and formic
acid (3 ml) was heated at 100 C for 4 h. The formic acid was distilled off and the crude
was extracted with in ethyl acetate. The solvent was distilled off and the residue was
purified by preparative HPLC to give the product in 12 % yield (10 mg). H NMR (400
MHz, D O): δ 8.75 (s, 1H), 8.33 (s, 1H),7.96 (s, 1H), 7.84-7.79 (m, 2H), 7.74 (s, 1H),
7.66-7.6 (m, 1H), 7.47 (s, 1H), 7.29-7.23 (m, 1H), 7.19-7.14 (m, 1H), 3.99 (m, 4H), 2.06
(s, 3H); LC-MS (ESI): Calculated mass: 431.44; Observed mass: 432.1 [M+H] (rt: 0.36
min).
Example 170.
N-(4'-fluoro(5-(6-fluoropyridinyl)-1H-benzo[d]imidazolyl)-[1,1'-bi-
phenyl]yl)acetamide
The compound was synthesized using the procedures of Example 53. LC-MS
(ESI): Calculated mass: 440.44; Observed mass: 441.1 [M+H] (rt: 1.57 min).
Example 171.
N-(3-(5-(1-Ethyl-1H-pyrazolyl)-1H-benzo[d]imidazolyl)(1H-pyrrol
yl)phenyl)acetamide
To a solution of the compound of Example 87(g) (1.5 g, 3.8 mmol) in 1,2-
dimethoxyethane (40 ml), the compound of Intermediate Example 13 (1.68 g, 7.59
mmol, 2 eq.), sodium carbonate (1 g, 9.5 mmol, 2.5 eq.) and water (4 ml) were added
and the mixture was degassed for 15 min (N bubbling). Pd(PPh ) (0.9 g, 0.76 mmol,
2 3 4
0.2 eq.) was added and the mixture was heated at 100 C for 2 h. The mixture was
quenched and extracted as in Example 1(d). The solvent was distilled off and the residue
was purified column chromatography afford the compound in 74 % yield (1.15 g). H
NMR (300 MHz, DMSO-d ): δ 8.86 (m, 1H), 8.26 (m, 1H), 7.99-7.94 (m, 2H), 7.87-
7.80 (m, 2H), 7.72-7.60 (m, 3H), 7.39 (s, 2H), 6.31 (s, 2H), 4.15 (quartet, 2H), 2.10 (s,
3H), 1.40 (t, 3H); LC-MS (ESI): Calculated mass: 410.47; Observed mass: 411.2
[M+H] (rt: 1.11 min).
Example 172.
N-(3-(5-(1-Ethyl-1H-pyrazolyl)-1H-benzo[d]imidazolyl)(1H-pyrrol
yl)phenyl)ethanesulfonamide
a) 3-(5-(1-Ethyl-1H-pyrazolyl)-1H-benzo[d]imidazolyl)(1H-pyrrol
yl)aniline
A mixture of 20 % NaOH (5 ml) and the compound of Example 171 (0.9 g, 2.12
mmol) in 25 ml of ethanol was heated at 90 C for 2 h. The mixture was diluted with
ethyl acetate (100 ml) and the organic layer was washed with water (50 ml) and brine
(25 ml). The solvent was distilled off and the residue was purified by column
chromatography over silica gel to afford the compound in 78 % yield (0.7 g).
b) N-(3-(5-(1-Ethyl-1H-pyrazolyl)-1H-benzo[d]imidazolyl)(1H-pyrrol-
1-yl)phenyl)ethanesulfonamide
To a solution of the compound of Example 172(a) (75 mg, 0.2 mmol) in DCM
(1 ml) were added pyridine (0.5 ml) and ethanesulfonyl chloride (52 mg, 0.4 mmol, 2
eq.) and the mixture was stirred at RT for 12 h. Pyridine was distilled off and the residue
was purified by preparative HPLC to afford the compound in 25 % yield (23 mg). H
NMR (300 MHz, DMSO-d ): δ 10.31 (s, 1H), 8.74 (s, 1H), 8.26 (s, 1H), 7.98 (d,
2H),7.69-7.61 (m, 3H), 7.42-7.38 (m, 4H), 6.33 (s, 2H), 4.15 (quartet, 2H), 3.16
(quartet, 2H), 1.43 (t, 3H), 1.25 (t, 3H); LC-MS (ESI): Calculated mass: 460.55;
Observed mass: 461.18 [M+H] (rt: 1.38 min).
Example 173.
N-(3-(5-(1-Isopropyl-1H-pyrazolyl)-1H-benzo[d]imidazolyl)(1H-pyrrol-
1-yl)phenyl)acetamide
The compound was prepared from the compound of Intermediate Example 12
using the procedure of Example 171. H NMR (300 MHz, DMSO-d ): δ 10.40 (s, 1H),
8.67 (s, 1H), 8.29 (s, 1H), 8.01 (s, 1H), 7.94 (s, 1H), 7.86-7.81 (m, 2H), 7.70-7.59 (m,
3H), 7.41 (s, 2H), 6.32 (s, 2H), 4.53-4.49 (m, 1H), 2.12 (s, 3H), 1.46 (d, 6H); LC-MS
(ESI): Calculated mass: 424.5; Observed mass: 425.2 [M+H] (rt: 1.34 min).
Example 174.
N-(3-(5-(1-Isopropyl-1H-pyrazolyl)-1H-benzo[d]imidazolyl)(1H-pyrrol-
1-yl)phenyl)methanesulfonamide
a) 3-(5-(1-Isopropyl-1H-pyrazolyl)-1H-benzo[d]imidazolyl)(1H-pyrrol-
1-yl)aniline
A mixture of 20 % NaOH (5 ml) and the compound of Example 173 (1 g, 2.43
mmol) in 25 ml ethanol was heated at 90 C for 2 h. The mixture was diluted with ethyl
acetate (100 ml) and the organic layer was washed with water (50 ml) and brine (25 ml).
The solvent was distilled off and the crude was purified by column chromatography
over silica gel to afford the compound in 93 % yield (0.75 g).
b) N-(3-(5-(1-Isopropyl-1H-pyrazolyl)-1H-benzo[d]imidazolyl)(1H-
pyrrolyl)phenyl)methanesulfonamide
To a solution of the compound of Example 174(a) (100 mg, 0.26 mmol) in
DCM (1 ml) were added pyridine (0.5 ml) and ethanesulfonyl chloride (60 mg, 0.52
mmol, 2 eq.) and the mixture was stirred at RT for 12 h. Pyridine was distilled off and
the residue was purified by preparative HPLC to afford the compound in 8 % yield (10
mg). H NMR (300 MHz, CD OD): δ 9.20 (s, 1H), 8.18 (s, 1H), 8.01 (s, 1H), 7.94 (s,
1H), 7.80 (s, 2H), 7.62 (s, 1H), 7.49 (m, 2H), 7.31 (m, 2H), 6.35 (m, 2H), 4.65-4.51 (m,
1H), 3.14 (s, 3H), 1.55 (d, 6H); LC-MS (ESI): Calculated mass: 461.0; Observed mass:
460.55 [M+H] (rt: 1.44 min).
Example 175.
N-(3-(5-(1-isopropyl-1H-pyrazolyl)-1H-benzo[d]imidazolyl)(1H-pyrrol-
1-yl)phenyl)ethanesulfonamide
The compound was prepared from the compound of Example 173 using the
procedure of Example 174. H NMR (300 MHz, CD OD): δ 9.05 (s, 1H), 8.16 (s, 1H),
7.99-7.93 (m, 2H), 7.77 (s, 2H), 7.58 (s, 1H), 7.47 (m, 2H), 7.30 (m, 2H), 6.35 (m, 2H),
4.60-4.51 (m, 1H), 3.30 (quartet, 2H), 1.56-1.54 (d, 6H), 1.38 (t, 3H); LC-MS (ESI):
Calculated mass: 474.58; Observed mass: 475.1 [M+H] (rt: 1.50 min).
Example 176.
N-(2',4'-difluoro(6-(1-methyl-1H-pyrazolyl)-3H-imidazo[4,5-b]pyridin
yl)-[1,1'-biphenyl]yl)propionamide
To a solution of propionic acid (20 mg, 0.274 mmol) in DMF (2 ml) was added
HATU (155 mg, 0.41 mmol, 1.5 eq.) and the mixture was stirred at RT for 0.5 h. The
compound of Example 132(a) (110 mg, 0.274 mmol) and DIPEA (0.15 ml, 0.821 mmol,
3 eq.) were added and the mixture was stirred for 12 h, quenched with water and
extracted with DCM (3 × 50 ml). The combined organic layer was washed with water to
obtain precipitate which was filtered. The crude product was purified by preparative
HPLC to give the product (14 mg). H NMR (400 MHz, DMSO-d ): δ 10.23 (s, 1H),
8.92 (s, 1H), 8.72 (d, 1H), 8.41 (d, 1H), 8.33-8.31 (m, 2H), 8.04 (d, 1H), 7.89 (d, 1H),
7.75-7.69 (m, 2H), 7.48-7.42 (m, 1H), 7.29-7.25 (m, 1H), 3.90 (s, 3H), 2.40 (quartet,
2H), 1.11 (t, 3H); LC-MS (ESI): Calculated mass: 458.46; Observed mass: 459.1
[M+H] (rt: 1.44 min).
Example 177.
N-(2',4'-difluoro(6-(1-methyl-1H-pyrazolyl)-3H-imidazo[4,5-b]pyridin
yl)-[1,1'-biphenyl]yl)cyclopropanecarboxamide
The compound was prepared using the procedure of Example 176. H NMR (400
MHz, DMSO-d ): δ 10.62 (s, 1H), 8.94 (s, 1H), 8.72 (d, 1H), 8.41 (d, 1H), 8.31 (d, 2H),
8.04 (s, 1H), 7.88 (br s, 1H), 7.72-7.68 (m, 2H), 7.47-7.41 (m, 1H), 7.29-7.25 (m. 1H),
3.89 (s, 3H), 1.85 (m, 1H), 0.84 (d, 4H); LC-MS (ESI): Calculated mass: 470.4;
Observed mass: 471.1 [M+H] (rt: 1.52 min).
Example 178.
N-(2',4'-difluoro(6-(6-fluoropyridinyl)-3H-imidazo[4,5-b]pyridinyl)-
[1,1'-biphenyl]yl)acetamide
A solution of the compound of Example 131(c) (330 mg, 0.75 mmol) in 1,2-
dimethoxyethane (10 ml) was degassed by N bubbling for 5 min. (6-Fluoropyridin
yl)boronic acid (130 mg, 0.9 mmol, 1.2 eq.) was added and the mixture was degassed
for another 5 min. Pd(dppf)Cl (120 mg, 0.15 mmol, 0.2 eq.) and aqueous sodium
carbonate (290 mg, 2.7 mmol, 3.0 eq.) were added and the procedure of Example 1(d)
was followed. The crude residue of the product was purified by preparative HPLC to
give the product. H NMR (400 MHz, DMSO-d ): δ 10.40 (s, 1H), 9.03 (s, 1H), 8.79
(d, 1H), 8.68 (s, 1H), 8.60 (s, 1H), 8.43 (dt, 1H), 8.30 (s, 1H), 7.87 (s, 1H), 7.70 (s, 2H),
7.47-7.26 (m, 3H), 2.07 (s, 3H); LC-MS (ESI): Calculated mass: 459.4; Observed mass:
460.1 [M+H] (rt: 1.53 min).
Example 179.
N-(5-(6-(1H-pyrazolyl)-3H-imidazo[4,5-b]pyridinyl)-2'-fluoro-4'-methoxy-
[1,1'-biphenyl]yl)acetamide
The compound was prepared using the procedures of Example 148 starting from
N-(3-bromonitrophenyl)acetamide (0.8 g, 3.089 mmol) and 2-Fluoromethoxy-
phenyl)boronic acid (0.63 g, 3.71 mmol, 1.2 eq.). H NMR (400 MHz, DMSO-d ): δ
.39 (s, 1H), 9.05 (s, 1H), 9.02 (d, 1H), 8.67 (d, 2H), 8.26 (s, 1H), 7.89 (s, 1H), 7.84 (d,
1H), 7.68 (s, 1H), 7.59 (t, 1H), 7.04-6.95 (m, 2H), 6.64 (t, 1H), 3.85 (s, 3H), 2.13 (s,
3H); LC-MS (ESI): Calculated mass: 442.45; Observed mass: 443.1 [M+H] (rt: 1.42
min).
Example 180.
N-(2'-fluoro-4'-methoxy(6-(1-methyl-1H-pyrazolyl)-3H-imidazo[4,5-
b]pyridinyl)-[1,1'-biphenyl]yl)acetamide
A solution of the compound of Example 179(e) (250 mg, 0.549 mmol) in 1,2-
dimethoxyethane (10 ml) was degassed by N bubbling for 5 min. 1-Methyl(4,4,5,5-
tetramethyl-1,3,2-dioxaborolanyl)-1H-pyrazole (137 mg, 0.66 mmol, 1.2 eq.) was
added and the mixture was degassed for another 5 min. Pd(PPh ) (63 mg, 0.0549
mmol, 0.1 eq.) and aqueous sodium carbonate (117 mg, 1.1 mmol, 2.0 eq.) were added
and the procedure of Example 1(d) was followed. The crude residue of the product was
purified by preparative HPLC to give the product in 90 % yield (225 mg). H NMR
(400 MHz, DMSO-d ): δ 10.39 (s, 1H), 8.92 (s, 1H), 8.71 (d, 1H), 8.41 (d, 1H), 8.30 (s,
1H), 8.25 (t, 1H), 8.04 (s, 1H), 7.84 (d, 1H), 7.67 (s, 1H), 7.58 (t, 1H), 7.03-6.93 (m,
2H), 3.90 (s, 3H), 3.84 (s, 3H), 2.11 (s, 3H); LC-MS (ESI): Calculated mass: 456.47;
Observed mass: 456.6 [M+H] (rt: 1.07 min).
Example 181.
N-(2',4'-difluoro(6-(1-(1-methylpiperidinyl)-1H-1,2,3-triazolyl)-3H-
imidazo[4,5-b]pyridinyl)-[1,1'-biphenyl]yl)acetamide
a) N-(2',4'-difluoro((5-iodonitropyridinyl)amino)-[1,1'-biphenyl]yl)-
acetamide
A solution of the compound of Example 1(e) (2.58 g, 9.85 mmol), 2-chloro
iodonitropyridine of Intermediate Example 14 (2.8 g, 9.85 mmol, 1.0 eq.) and
potassium fluoride (0.57 g, 9.85 mmol, 1.0 eq.) in DMF (30 ml) was heated at 130 C
for 5 h. The mixture was quenched and extracted as in Example 1(d). The solvent was
distilled off and the residue was purified by column chromatography (60-120 silica gel,
% ethyl acetate in hexane) to give the product in 40 % yield (2.0 g). H NMR (300
MHz, DMSO-d ): δ 10.10 (s, 1H), 9.95 (s, 1H), 8.74 (d, 1H), 8.66 (d, 1H), 7.88 (s, 1H),
7.60-7.52 (m, 2H), 7.42-7.34 (m, 2H), 7.24-7.21 (m, 1H), 2.07 (s, 3H), LC-MS (ESI):
Calculated mass: 510.2; Observed mass: 510.9 [M+H] (rt: 1.75 min).
b) N-(5-((3-aminoiodopyridinyl)amino)-2',4'-difluoro-[1,1'-biphenyl]
yl)acetamide
To a solution of the compound of Example 181(a) (0.5 g, 0.98 mmol) in THF
(30 ml) were added a solution of ammonium chloride (0.2 g, 3.92 mmol, 4 eq.) in water
(15 ml) and zinc (0.25 g, 3.92 mmol, 4 eq.). The mixture was stirred at RT for 3 h and
filtered. The filtrate was diluted with water and extracted as in Example 1(d). The
solvent was distilled off to give the product in 64 % yield (0.3 g). H NMR (400 MHz,
DMSO-d ): δ 9.96 (s, 1H), 7.99 (s ,1H), 7.90 (s, 1H), 7.61 (d, 1H), 7.50 (quartet, 1H)
7.43 (s, 1H), 7.39-7.33 (m, 1H), 7.28 (s, 1H), 7.22-7.18 (m, 2H), 5.39 (s, 2H), 2.05 (s,
3H); LC-MS (ESI): Calculated mass: 480.2; Observed mass: 481.1 [M+H] (rt: 1.53
min).
c) N-(2',4'-difluoro(6-iodo-3H-imidazo[4,5-b]pyridinyl)-[1,1'-biphenyl]
yl)acetamide
A mixture of the compound of Example 181(b) (3.12 g, 1.5 g) and formic acid
(15 ml) was heated at 90 C for 1 h. Formic acid was then distilled off and the residue
was dissolved in ethyl acetate. The ethyl acetate layer was washed with water, brine and
dried over sodium sulphate. The solvent was distilled off to afford the product in 92 %
yield (1.4 g). H NMR (300 MHz, DMSO-d ): δ 10.38 (s, 1H), 8.93 (s, 1H), 8.63 (s,
2H), 8.21 (s, 1H), 7.89 (s, 1H), 7.74-7.64 (m, 2H), 7.42 (t, 1H), 7.26 (t, 1H), 2.11 (s,
3H); LC-MS (ESI): Calculated mass: 490.2; Observed mass: 491.1 [M+H] (rt: 1.60
min).
d) N-(2',4'-difluoro(6-((trimethylsilyl)ethynyl)-3H-imidazo[4,5-b]pyridin
yl)-[1,1'-biphenyl]yl)acetamide
A solution of the compound of Example 181(c) (1.6 g, 3.265 mmol) in DMF-
Et N (1:1; 60 ml) was degassed by N bubbling for 15 min. Pd(PPh ) (0.18 g, 0.163
3 2 3 4
mmol, 0.05 eq.), copper(I) iodide (62 mg, 0.326 mmol, 0.1 eq.) and ethynyl-
trimethylsilane (0.38 g, 3.91mmol, 1.2 eq.) were added sequentially and the mixture was
stirred for 12 h at RT. The mixture was quenched and extracted as in Example 1(d). The
solvent was distilled off and the residue was purified by column chromatography (60-
120 silica gel, 40 % ethyl acetate in hexane) to give the product in 73 % yield (1.1 g).
H NMR (300 MHz, DMSO-d ): δ 10.41 (s, 1H), 9.02 (s, 1H), 8.52 (d, 1H), 8.33 (d,
1H), 8.21 (s, 1H), 7.91 (s, 1H), 7.73-7.64 (m, 2H), 7.43 (m, 1H), 7.26 (m, 1H), 2.11 (s,
3H), 0.27 (s, 9H); LC-MS (ESI): Calculated mass: 460.55; Observed mass: 461.2
[M+H] (rt: 1.83 min).
e) N-(5-(6-ethynyl-3H-imidazo[4,5-b]pyridinyl)-2',4'-difluoro-[1,1'-biphenyl]-
3-yl)acetamide
To a solution of the compound of Example 181(d) (1.1 g, 2.4 mmol) in THF at 0
C was added TBAF (1 M in THF; 0.6 ml, 2.4 mmol, 1.0 eq.) and the mixture was
stirred for 0.5 h. The mixture was filtered over a pad of silica and distilled to give crude
residue which was purified by column chromatography (60-120 silica gel, 5 % methanol
in chloroform) to give the product in 86 % yield (0.8 g). H NMR (300 MHz, DMSO-
d ): δ 10.39 (s, 1H), 9.03 (s, 1H), 8.56 (d, 1H), 8.38 (d, 1H), 8.23 (s, 1H), 7.91 (s, 1H),
7.75-7.66 (m, 2H), 7.48-7.41 (m, 1H), 7.30-7.24 (m, 1H), 4.39 (s, 1H), 2.07 (s, 3H); LC-
MS (ESI): Calculated mass: 388.3; Observed mass: 389.2 [M+H] (rt: 1.49 min).
f) N-(2',4'-difluoro(6-(1-(1-methylpiperidinyl)-1H-1,2,3-triazolyl)-3H-
imidazo[4,5-b]pyridinyl)-[1,1'-biphenyl]yl)acetamide
A mixture of the compound of Example 181(e) (0.5 g, 1.28 mmol), 4-azido
methylpiperidine of Intermediate Example 11 (0.21 g, 1.54 mmol, 1.2 eq.), sodium
ascorbate (0.25 g, 1.28 mmol, 1.0 eq.) and copper sulfate pentahydrate (0.16 g, 0.6
mmol, 0.5 eq.) in DMSO, DCM and water (2:5:2, 9 ml) was stirred for 12 h at RT. The
mixture was quenched with water and the precipitate formed was filtered and dried to
give the crude product which was purified by preparative HPLC to give the product in
74 % yield (0.5 g). H NMR (300 MHz, CDCI ): δ 8.94 (d, 1H), 8.56 (d, 1H), 8.43 (s,
1H), 8.15 (s, 1H), 7.90 (s, 1H), 7.72 (s, 1H), 7.65 (s, 2H), 7.53-7.45 (m, 1H), 7.05-7.49
(m, 1H), 4.68-4.59 (m, 1H), 3.18-3.13 (m, 4H), 2.62 (s, 3H), 2.44-2.39 (m, 4H), 2.24 (s,
3H); LC-MS (ESI): Calculated mass: 558.50; Observed mass: 529.2 [M+H] (rt: 0.39
min).
Example 182.
N-(2',4'-difluoro(6-(1-(1-methylpiperidinyl)-1H-1,2,3-triazolyl)-3H-
imidazo[4,5-b]pyridinyl)-[1,1'-biphenyl]yl)ethanesulfonamide
a) 2',4'-difluoro(6-(1-(1-methylpiperidinyl)-1H-1,2,3-triazolyl)-3H-
imidazo[4,5-b]pyridinyl)-[1,1'-biphenyl]amine
The compound of Example 181 (0.4 g, 0.757 mmol) was added to aqueous 6 N
HCl (10 ml) at 0 C and the mixture was stirred at 70 C for 3 h. The mixture was
quenched with saturated aqueous sodium bicarbonate soluition and extracted with ethyl
acetate (3 × 50 ml). The combined organic layer was washed with water, brine and dried
over sodium sulphate and the residue was purified by column chromatography (60-120
silica gel, 10 % methanol in DCM) to give the product in 30 % yield (0.11 g). LC-MS
(ESI): Calculated mass: 486.52; Observed mass: 487.3 [M+H] (rt: 0.22 min).
b) N-(2',4'-difluoro(6-(1-(1-methylpiperidinyl)-1H-1,2,3-triazolyl)-3H-
imidazo[4,5-b]pyridinyl)-[1,1'-biphenyl]yl)ethanesulfonamide
To a solution of the compound of Example 182(a) (55 mg, 0.113 mmol) in
DCM was added pyridine (17 mg, 0.226 mmol, 2.0 eq.) followed by ethanesulfonyl
chloride (17 mg, 0.135 mmol, 1.2 eq.). The reaction was monitored by LCMS. After
completion of the reaction the solvent was distilled off and the crude product was
purified by preparative HPLC to give the product in 46 % yield (30 mg). H NMR (300
MHz, DMSO-d ): δ 10.31 (s, 1H), 9.01 (s, 1H), 8.97 (d, 1H), 8.84 (s, 1H), 8.62 (s, 1H),
7.93 (s, 1H), 7.75-7.71 (m, 2H), 7.48-7.41 9 (m, 2H), 7.27 (m, 1H), 3.45 (m, 1H), 2.79
(s, 3H), 2.41-2.34 (m, 4H), 2.28-2.24 (quartet, 2H), 1.27-1.22 (m, 4H), 1.03 (t, 3H); LC-
MS (ESI): Calculated mass: 578.64; Observed mass: 578.9 [M+H] (RT: 0.11 min).
Example 183.
N-(2',4'-difluoro(6-(1-(1-methylpiperidinyl)-1H-1,2,3-triazolyl)-3H-
imidazo[4,5-b]pyridinyl)-[1,1'-biphenyl]yl)cyclopropanecarboxamide
To a solution of cyclopropanecarboxylic acid (14 mg, 0.169 mmol, 1.5 eq.) in
DMF (2 ml) was added HATU (90 mg, 0.226 mmol, 2.0 eq.) and the mixture was stirred
at RT for 0.5 h. The compound of Example 182(a) (55 mg, 0.113 mmol) and DIPEA (45
mg, 0.339 mmol, 3 eq.) were added and the mixture was stirred for 12 h, quenched with
water and extracted with DCM (3 × 50 ml). The combined organic layer was washed
with water to obtain precipitate which was filtered. The crude product was purified by
preparative HPLC to give the product in 13 % yield (12 mg). H NMR (300 MHz,
DMSO-d ): δ 10.68 (s, 1H), 8.98 (s, 2H), 8.83 (s, 1H), 8.62 (s, 1H), 8.33 (s, 1H), 8.88
(s, 1H), 7.71-7.66 (m, 2H), 7.46-7.39 (m, 1H), 7.28-7.23 (m, 1H), 4.83 (m, 1H), 3.62-
3.52 (m, 4H), 2.81 (s, 3H), 2.30-2.26 (m, 4H), 1.85 (m, 1H), 0.83 (d, 4H); LC-MS
(ESI): Calculated mass: 554.59; Observed mass: 554.9 [M+H] (rt: 0.183 min).
Example 184.
N-(5-(5-(1H-pyrazolyl)-1H-benzo[d]imidazolyl)-2',6'-difluoro-[1,1'-bi-
phenyl]yl)methanesulfonamide
a) 5-(5-(1H-pyrazolyl)-1H-benzo[d]imidazolyl)-2',6'-difluoro-[1,1'-bi-
phenyl]amine
To a solution of the compound of Example 152 (2.1 g, 4.895 mmol) in ethanol
(50 ml) was added 10 % aqueous solution of NaOH (10 ml) and the mixture was heated
at 100 C for 2 h. The mixture was quenched and extracted as in Example 1(d). The
solvent was distilled off to afford the product in 89 % yield (1.6 g).
b) N-(5-(5-(1H-pyrazolyl)-1H-benzo[d]imidazolyl)-2',6'-difluoro-[1,1'-bi-
phenyl]yl)methanesulfonamide
To a solution of the compound of Example 184(a) (50 mg, 0.129 mmol) in
DCM was added pyridine (20 mg, 0.258 mmol, 2.0 eq.) followed by methanesulfonyl
chloride (18 mg, 0.155 mmol, 1.2 eq.). The reaction was monitored by LCMS. After
completion of the reaction the solvent was distilled off and the crude product was
purified by preparative HPLC to give the product in 50 % yield (30 mg). H NMR (400
MHz, DMSO-d ): δ 10.32 (s, 1H), 8.76 (s, 1H), 8.61 (d, 1H), 8.24 (d, 1H), 7.93 (dd,
1H), 7.79 (s, 1H), 7.76 (d, 1H), 7.61-7.57 (m, 4H), 7.37 (s, 1H), 7.31 (t, 2H), 3.19 (s,
3H); LC-MS (ESI): Calculated mass: 465.48; Observed mass: 466.1 [M+H] (rt: 1.47
min).
Example 185.
N-(5-(5-(1H-pyrazolyl)-1H-benzo[d]imidazolyl)-2',6'-difluoro-[1,1'-
biphenyl]yl)ethanesulfonamide
The compound was prepared from the compound of Example 152 using the
procedure of Example 184. H NMR (400 MHz, DMSO-d ): δ 10.35 (s, 1H), 8.72 (s,
1H), 8.60 (d, 1H), 8.24 (d, 1H), 7.93 (dd, 1H), 7.76 (t, 2H), 7.61-7.54 (m, 3H), 7.39 (s,
1H), 7.31 (t, 2H), 6.56 (t, 1H), 2.40 (quartet, 2H), 1.26 (t, 3H); LC-MS (ESI): Calculated
mass: 479.5; Observed mass: 480.0 [M+H] (rt: 1.51 min).
Example 186.
N-(2',6'-difluoro(5-(1-methyl-1H-pyrazolyl)-1H-benzo[d]imidazolyl)-
[1,1'-biphenyl]yl)methanesulfonamide
a) 2',6'-difluoro(5-(1-methyl-1H-pyrazolyl)-1H-benzo[d]imidazolyl)-
[1,1'-biphenyl]amine
To a solution of the compound of Example 151 (2.0 g, 4.514 mmol) in ethanol
(50 ml) was added 10 % aqueous solution of NaOH (2.5 ml) and the mixture was heated
at 100 C for 2 h. The mixture was quenched and extracted as in Example 1(d). The
solvent was distilled off to afford the product in 99 % yield (1.8 g).
b) N-(2',6'-difluoro(5-(1-methyl-1H-pyrazolyl)-1H-benzo[d]imidazolyl)-
[1,1'-biphenyl]yl)methanesulfonamide
To a solution of the compound of Example 186(a) (50 mg, 0.124 mmol) in
DCM was added pyridine (20 mg, 0.258 mmol, 2.0 eq.) followed by methanesulfonyl
chloride (29 mg, 0.155 mmol, 2.0 eq.). The reaction was monitored by LCMS. After
completion of the reaction the solvent was distilled off and the crude product was
purified by preparative HPLC to give the product in 42 % yield (25 mg). H NMR (300
MHz, DMSO-d ): δ 10.34 (s, 1H), 8.76 (s, 1H), 8.22 (s, 1H), 7.97 (d, 2H), 7.66-7.57 (m,
5H), 7.36-7.30 (m, 3H), 3.88 (s, 3H), 3.19 (s, 3H); LC-MS (ESI): Calculated mass:
479.50; Observed mass: 480.2 [M+H] (rt: 1.27min).
Example 187.
N-(2',6'-difluoro(5-(1-methyl-1H-pyrazolyl)-1H-benzo[d]imidazolyl)-
[1,1'-biphenyl]yl)ethanesulfonamide
The compound was prepared from the compound of Example 151 using the
procedure of Example 186. H NMR (400 MHz, DMSO-d ): δ 10.37 (s, 1H), 8.80 (s,
1H), 8.23 (s, 1H), 7.98 (d, 2H), 7.67 (s, 2H), 7.61 (s, 1H), 7.56 (s, 2H), 7.38 (s, 1H),
7.30 (t, 2H), 3.88 (s, 3H), 3.30 (quartet, 2H), 1.26 (t, 3H); LC-MS (ESI): Calculated
mass: 493.3; Observed mass: 494.1 [M+H] (rt: 1.38 min).
Example 188.
N-(4'-fluoro-2'-methoxy(5-(1-methyl-1H-pyrazolyl)-1H-benzo[d]imidazol-
1-yl)-[1,1'-biphenyl]yl)acetamide
The compound was prepared using the procedures of Example 148 starting from
N-(3-bromonitrophenyl)acetamide (0.8 g, 3.089 mmol) and 4-Fluoromethoxy-
phenyl)boronic acid (0.63 g, 3.71 mmol, 1.2 eq.). H NMR (400 MHz, DMSO-d ): δ
.35 (s, 1H), 8.93 (s, 1H), 8.24 (s, 1H), 8.07 (s, 1H), 7.98 (d, 2H), 7.71-7.69 (m, 3H),
7.47 -7.44 (m, 2H), 7.08 (dd, 1H), 6.93 (dt, 1H), 3.88 (s, 3H), 3.17 (s, 3H), 2.08 (s, 3H);
LC-MS (ESI): Calculated mass: 455.48; Observed mass: 456.1 [M+H] (rt: 1.13 min).
Example 189.
N-(5-(5-(1H-pyrazolyl)-1H-benzo[d]imidazolyl)-2'-fluoro-4'-methoxy-
[1,1'-biphenyl]yl)acetamide
a) N-(2'-fluoro-4'-methoxynitro-[1,1'-biphenyl]yl)acetamide
The compound was prepared from the compound of Example 1(c) (0.8 g, 3.089
mmol) and (2-Fluoromethoxyphenyl)boronic acid (0.63 g, 3.71 mmol, 1.2 eq.) using
the procedure of Example 148(a) to give the product in 97 % yield (0.91 g). H NMR
(300 MHz, DMSO-d ): δ 10.52 (s, 1H), 8.59 (s, 1H), 8.07 (s, 1H), 7.97 (s, 1H), 7.55 (t,
1H), 7.05-6.93 (m, 2H), 3.84 (s, 3H), 2.11 (s, 3H).
b) N-(5-amino-2'-fluoro-4'-methoxy-[1,1'-biphenyl]yl)acetamide
The compound was prepared from the compound of Example 189(a) (0.9 g, 2.96
mmol) using the procedure of Example 148(b) to give the product in 97 % yield (790
mg). H NMR (300 MHz, DMSO-d ): δ 9.74 (s, 1H), 7.28 (t, 1H), 6.91-6.78 (m, 4H),
6.34 (s, 1H), 5.15 (br s, 2H), 3.77 (s, 3H), 1.98 (s, 3H); LC-MS (ESI): Calculated mass:
274.3; Observed mass: 275.2 [M+H] (rt: 0.35 min).
c) N-(5-((4-bromonitrophenyl)amino)-2'-fluoro-4'-methoxy-[1,1'-biphenyl]
yl)acetamide
The compound was prepared from the compound of Example 189(b) (3 g, 10.95
mmol) using the procedure of Example 148(c) to give the crude product in 93 % yield
(4.82 g). H NMR (300 MHz, DMSO-d ): δ 10.13 (s, 1H), 9.43 (s, 1H), 8.23 (d, 1H),
7.68-7.64 (m, 2H), 7.53 (s, 1H), 7.44 (t, 1H), 7.24 (d, 1H), 7.11 (s, 1H), 6.98-6.88 (m,
2H), 3.81 (s, 3H), 2.06 (s, 3H); LC-MS (ESI): Calculated mass: 474.3; Observed mass:
476.01 [M+H] (rt: 1.85 min).
d) N-(5-((2-aminobromophenyl)amino)-2'-fluoro-4'-methoxy-[1,1'-biphenyl]-
3-yl)acetamide
The compound was prepared from the compound of Example 189(c) (4.8 g,
.13 mmol) using the procedure of Example 148(d) to give the product in 93 % yield
(4.12 g). H NMR (300 MHz, DMSO-d ): δ 10.80 (s, 1H), 7.30 (t, 2H), 7.11 (d, 1H),
6.98-6.82 (m, 5H), 6.63 (dd, 1H), 6.52 (s, 1H), 5.09 (br s, 2H), 3.77 (s, 3H), 1.98 (s,
3H); LC-MS (ESI): Calculated mass: 444.30; Observed mass: 441.0 [M+H] (rt: 1.66
min).
e) N-(5-(5-bromo-1H-benzo[d]imidazolyl)-2'-fluoro-4'-methoxy-[1,1'-bi-
phenyl]yl)acetamide
The compound was prepared from the compound of Example 189(d) (4 g, 9
mmol) using the procedure of Example 148(e) to give the product in 95 % yield (3.8 g).
H NMR (300 MHz, DMSO-d ): δ 10.38 (s, 1H), 8.69 (s, 1H), 7.99 (t, 2H), 7.77 (d,
1H), 7.65-7.44 (m, 4H), 7.01-6.89 (m, 2H), 3.81 (s, 3H), 2.09 (s, 3H); LC-MS (ESI):
Calculated mass: 454.3.30; Observed mass: 456.0 [M+H] (rt: 1.68 min).
f) N-(5-(5-(1H-pyrazolyl)-1H-benzo[d]imidazolyl)-2'-fluoro-4'-methoxy-
[1,1'-biphenyl]yl)acetamide
The compound was prepared from the compound of Example 189(e) (0.8 g, 1.76
mmol) using the procedure of Example 148(f) to give the product in 71 % yield (0.55 g).
H NMR (400 MHz, DMSO-d ): δ 10.34 (s, 1H), 8.84 (s, 1H), 8.61 (d, 1H), 8.24 (d,
1H), 8.06 (s, 1H), 7.95-7.93 (m, 1H), 7.82-7.77 (m, 3H), 7.61 (t, 1H), 7.51 (s, 1H), 7.04-
6.94 (m, 2H), 6.57 (t, 1H), 3.84 (s, 3H), 2.12 (s, 3H); LC-MS (ESI): Calculated mass:
441.4; Observed mass: 442.1 [M+H] (rt: 1.44 min).
Example 190.
N-(2'-fluoro-4'-methoxy(5-(1-methyl-1H-pyrazolyl)-1H-benzo[d]imidazol-
1-yl)-[1,1'-biphenyl]yl)acetamide
A solution of the compound of Example 189(e) (0.25 g, 0.55 mmol) in 1,2-di-
methoxyethane (10 ml) was degassed by N bubbling for 5 min. 1-Methyl(4,4,5,5-
tetramethyl-1,3,2-dioxaborolanyl)-1H-pyrazole (0.14 g, 0.66 mmol, 1.2eq.) was
added and the mixture was degassed for another 5 min. Pd(PPh ) (63 mg, 0.055 mmol,
0.1 eq.) and aqueous sodium carbonate (0.12 g, 1.1 mmol, 2.0 eq.) were added and the
procedure of Example 1(d) was followed. The crude residue of the product was purified
by preparative HPLC to give the product in 90 % yield (0.23 g). H NMR (400 MHz,
DMSO-d ): δ 10.42 (s, 1H), 9.08 (s, 1H), 8.26 (s, 1H), 8.11 (s, 1H), 8.02 (s, 1H), 7.99
(s, 1H), 7.80 (s, 1H), 7.75-7.68 (m, 2H), 7.58 (t, 1H), 7.53 (s, 1H), 7.04-6.94 (m, 2H),
3.89 (s, 3H), 3.84 (s, 3H), 2.12 (s, 3H); LC-MS (ESI): Calculated mass: 445.4;
Observed mass: 455.7 [M+H] (rt: 0.75 min).
Example 191.
N-(2'-fluoro-4'-methoxy(5-(1-methyl-1H-pyrazolyl)-1H-benzo[d]imidazol-
1-yl)-[1,1'-biphenyl]yl)cyclopropanesulfonamide
a) 5-(5-bromo-1H-benzo[d]imidazolyl)-2'-fluoro-4'-methoxy-[1,1'-biphenyl]-
3-amine
To a solution of the compound of Example 189(e) (2.5 g, 5.5 mmol) in ethanol
(50 ml) was added aqueous solution of NaOH (2 g, 50 mmol, 9 eq.) and the mixture was
heated at 90 C for 2 h. The mixture was quenched and extracted as in Example 1(d).
The solvent was then distilled off to afford the compound in 92 % yield (2.1 g).
b) N-(5-(5-bromo-1H-benzo[d]imidazolyl)-2'-fluoro-4'-methoxy-[1,1'-bi-
phenyl]yl)cyclopropanesulfonamide
To a solution of the compound of Example 191(a) (0.8 g, 1.94 mmol) in DCM
was added pyridine (0.8 ml, 10.12 mmol) followed by cyclopropane sulfonyl chloride
(0.326 g, 2.33 mmol, 1.2 eq.). The mixture was stirred for 16 h and quenched and
extracted as in Example 2(b). The solvent was distilled off to afford the crude residue
which was purified by column chromatography (60-120 silica gel, 4 % methanol in
DCM) to afford the product in 80 % yield (0.8 g).
c) N-(2'-fluoro-4'-methoxy(5-(1-methyl-1H-pyrazolyl)-1H-benzo[d]-
imidazolyl)-[1,1'-biphenyl]yl)cyclopropanesulfonamide
The compound was prepared from the compound of Example 191(b) (150 mg,
0.295 mmol) using the procedure of Example 148(f) to give the product in 41 % yield
(45 mg). H-NMR (400 MHz, DMSO-D6) δ = 8.94 (bs, 1H), 8.25 (s, 1H), 8.02 (s, 1H),
7.98 (s, 1H), 7.72-7.66 (m, 2H), 7.64-7.560 (m, 3H), 7.51 (s, 1H), 7.03 (d, 1H), 6.95
(dd, 1H), 3.89 (s, 3H), 3.84 (s, 3H), 2.87 (m, 1H), 1.02 (d, 4H) ;LC-MS (ESI);
Calculated mass: 517.57: Observed mass: 518.1 [M+H] (rt: 1.39 min).
Example 192.
Cyclopropanesulfonic acid {2'-fluoro-4'-methoxy[5-(1H-pyrazolyl)-
benzoimidazolyl]-biphenylyl}-amide
The compound was prepared from the compound of Example 189(e) using
procedure of Example 2 and cyclopropane sulfonyl chloride and the procedure of
Example 148(f). H-NMR (400 MHz, DMSO-D6) δ = 10.22 (s, 1H), 8.83 (s, 1H), 8.17
(s, 2H), 8.07 (s, 1H), 7.70 (s, 2H), 7.64-7.60 (t, 1H), 7.56 (s, 2H), 7.50 (s, 1H), 7.03 (d,
1H), 6.96 (d, 1H), 3.85 (s, 3H), 2.90-2.80 (m, 1H), 1.10 (t, 3H), 1.02 (d, 4H) ;LC-MS
(ESI): Calculated mass: 503.55; Observed mass: 503.9 [M+H] (rt: 1.24 min).
Example 193.
N-(2',4'-difluoro(5-(1-methyl-1H-pyrazolyl)-1H-benzo[d]imidazolyl)-
[1,1'-biphenyl]yl)methanesulfonamide
a) 2',4'-difluoro(5-(1-methyl-1H-pyrazolyl)-1H-benzo[d]imidazolyl)-
[1,1'-biphenyl]amine
The compound was prepared from the compound of Example 168(e) (0.6 g, 1.35
mmol) using the procedure of Example 186(a) to give the product in 70 % yield (0.38
g). LC-MS (ESI): Calculated mass: 401.41; Observed mass: 402.1 [M+H] (rt: 1.198
min).
b) N-(2',4'-difluoro(5-(1-methyl-1H-pyrazolyl)-1H-benzo[d]imidazolyl)-
[1,1'-biphenyl]yl)methanesulfonamide
The compound was prepared from the compound of Example 193(a) (85 mg,
0.211 mmol) using the procedure of Example 186(b) to give the product in 35 % yield
(34 mg). H NMR (400 MHz, DMSO-d ): δ 8.73 (s, 1H), 7.94 (s, 1H), 7.79-7.69 (m,
2H), 7.51-7.49(m, 1H), 7.42 (m, 2H), 7.34 (s, 1H), 7.31 (s, 1 H), 7.25 (m, 1 H), 6.44 (s,
1H), 3.89 (s, 3H), 3.00 (s, 3H); LC-MS (ESI): Calculated mass: 479.5; Observed mass:
480.1 [M+H] (rt: 1.34 min).
Example 194.
N-(5-(5-(1H-1,2,4-triazolyl)-1H-benzo[d]imidazolyl)-2',4'-difluoro-[1,1'-
biphenyl]yl)acetamide
a) N-(2',4'-difluoro((2-nitro(1H-1,2,4-triazolyl)phenyl)amino)-[1,1'-bi-
phenyl]yl)acetamide
To a solution of the compound of Example 17(c) (0.67 g, 1.31 mmol) in DMF
(2 ml) were added 1,2,4-triazole (0.136 g, 1.95 mmol, 1.5 eq.), copper(I) oxide (0.188 g,
1.31 mmol, 1 eq.) and cesium carbonate (0.85 g, 2.62 mmol, 2 eq.) and then the mixture
was heated at 90 C for 12 h. The mixture was quenched and extracted as in Example
1(d). The solvent was distilled off to afford the crude residue which was purified by
column chromatography (60-120 silica gel, 70 % ethyl acetate in hexane) to give the
product in 68 % yield (0.4 g).
b) N-(5-((2-amino(1H-1,2,4-triazolyl)phenyl)amino)-2',4'-difluoro-[1,1'-
biphenyl]yl)acetamide
To a solution of the compound of Example 194(a) (0.4g, 0.88 mmol) in acetic
acid (10 ml) at 80 C was added iron powder (0.12 g, 2.2 mmol, 2.5 eq) slowly portion-
wise over a period of 10 min (caution: highly exothermic reaction). After completion of
the addition, the mixture was heated at 80 °C for 1 h and quenched by the addition of
crushed ice. The precipitate formed was filtered and washed with cold water to obtain a
solid which was dried under high vacuum to give the product in 67.5 % yield (0.25 g).
c) N-(5-(5-(1H-1,2,4-triazolyl)-1H-benzo[d]imidazolyl)-2',4'-difluoro-[1,1'-
biphenyl]yl)acetamide
A mixture of the compound of Example 194(b) (0.250g , 0.595 mmol) and
formic acid (3 ml) was heated at 80 C for 1 h. The formic acid was distilled off and the
crude was dissolved in ethyl acetate. The crude material was purified by preparative
HPLC to afford the product in 29 % yield (75 mg). H NMR (300 MHz, DMSO-d ): δ
.41 (s, 1H), 9.36 (s, 1H), 8.81 (s, 1H), 8.3 (s, 1H), 8.26 (s, 1H), 8.08 (m, 1 H), 7.88-
7.87 (m, 3H), 7.8-7.7(m, 3H), 7.55(s,1H), 7.5-7.4(m,1H), 7.32-7.24(m,1H), 2.12(s,3H);
LC-MS (ESI): Calculated mass: 430.41; Observed mass: 430.8 [M+H] (rt: 1.17 min).
Example 195.
N-(5-(5-(1H-1, 2, 4-triazolyl)-1H-benzo[d]imidazolyl)-2',4'-difluoro-[1,1'-
biphenyl]yl)ethanesulfonamide
a) 5-(5-(1H-1,2,4-triazolyl)-1H-benzo[d]imidazolyl)-2',4'-difluoro-[1,1'-
biphenyl]amine
To a solution of the compound of Example 194(c) (0.26 g, 0.6 mmol) in ethanol
(5 ml) was added 1:1 HCl solution (3 ml) and the mixture was heated at 80 C for 1 h.
The mixture was neutralised with sodium bicarbonate solution and extracted as in
Example 2(b). The solvent was distilled off to afford the product in 56 % yield (0.13 g).
LC-MS (ESI): Calculated mass: 388.37; Observed mass: 388.8 [M+H] (rt: 0.5 min).
b) N-(5-(5-(1H-1, 2, 4-triazolyl)-1H-benzo[d]imidazolyl)-2',4'-difluoro-
[1,1'-biphenyl]yl)ethanesulfonamide
The compound was prepared from the compound of Example 195(a) (65 mg,
0.167 mmol) using the procedure of Example 186(b) and ethanesulfonyl chloride (32
mg, 0.15 mmol, 1.5 eq.) to give the product in 15 % yield (12 mg). H NMR (300 MHz,
DMSO-d ): δ 10.50 (br s, 1H), 9.15 (m, 1H), 8.85 (s, 1H), 8.30-8.25 (m, 2H), 7.83-7.76
(m, 3H), 7.60-7.48 (m, 4H), 7.22 (m, 1H), 3.32 (q, 2H),1.27-1.24 (t,3H); LC-MS (ESI):
Calculated mass: 480.49; Observed mass: 480.8 [M+H] (rt: 1.41 min).
Example 196.
N-(5-(5-(1H-1,2,4-triazolyl)-1H-benzo[d]imidazolyl)-2',4'-difluoro-[1,1'-
biphenyl]yl)methanesulfonamide
The compound was prepared from the compound of Example 195(a) using the
procedures of Example 195. H NMR (300 MHz, DMSO-d ): δ 10.30 (br s, 1H), 9.35
(m, 1H), 8.82 (s, 1H), 8.29-8.25 (m, 2H), 7.87-7.76 (m, 3H), 7.61-7.46 (m, 4H), 7.27
(m, 1H), 3.18 (s, 3H); LC-MS (ESI): Calculated mass: 466.46; Observed mass: 467.8
[M+H] (rt: 0.71 min).
Example 197.
N-(5-(5-(1H-1,2,4-triazolyl)-1H-benzo[d]imidazolyl)-2',4'-difluoro-[1,1'-
biphenyl]yl)cyclopropanesulfonamide
The compound was prepared from the compound of Example 195(a) using the
procedures of Example 195 and cyclopropane sulfonyl chloride. H NMR (300 MHz,
DMSO-d ): δ 10.40 (br s, 1H), 9.45 (m, 1H), 8.80 (s, 1H), 8.35-8.25 (m, 2H), 7.88-7.76
(m, 3H), 7.65-7.48 (m, 4H), 7.21 (m, 1H), 2.96-2.9(m,1H), 1.04-1.0(m,4H);LC-MS
(ESI): Calculated mass: 492.5; Observed mass: 493.1 [M+H] (rt: 1.43 min).
Example 198.
N-(5-(5-(1H-1,2,4-triazolyl)-1H-benzo[d]imidazolyl)-2',4'-difluoro-[1,1'-
biphenyl]yl)propionamide
To a solution of the compound of Example 195(a) (50 mg, 0.128 mmol) in
DMF (2 ml) was added propionic acid (14 mg, 0.192 mmol, 1.5 eq.). HATU (73 mg,
0.192 mmol, 1.5 eq.) was added and the mixture was stirred at RT for 6 h. The mixture
was quenched with chilled water and the precipitate was collected to afford the product
in 26 % yield (15 mg). H NMR (400 MHz, CD OD): δ 9.17 (s, 1H), 8.67 (s, 1H), 8.24-
8.22 (m, 2H), 8.17 (m, 1H), 7.89 (s, 2H), 7.7-7.64 (m, 1H), 7.55 (m, 1H), 7.17-7.11 (m,
2H), 2.52-2.46(q,2H), 1.27-1.23(t,3H); LC-MS (ESI): Calculated mass: 444.44;
Observed mass: 445.2 [M+H] (rt: 1.35 min).
Example 199.
N-(5-(5-(1H-1,2,3-triazolyl)-1H-benzo[d]imidazolyl)-2',4'-difluoro-[1,1'-
biphenyl]yl)acetamide
The compound was prepared from the compound of Example 17(c) using the
procedures of Example 194 and 1,2,3-triazole. H NMR, 300 MHz: (DMSO-d ): δ 10.37
(s, 1H), 8.24 (m,3H), 8.11-8.08(m, 3H), 7.98-7.9 (m, 1H), 7.85 (s, 1H), 7.8-7.7 (m, 1H),
7.55 (m, 1H),7.5-7.42(m, 1H), 7.32-7.24 (m, 1H), 2.1 (s, 3H); LC-MS (ESI): Calculated
mass: 430.41; Observed mass: 431.1 [M+H] (rt: 1.53 min).
Example 200.
N-(5-(5-(1-(cyclopropylsulfonyl)-1H-pyrazolyl)-1H-benzo[d]imidazolyl)-
2',4'-difluoro-[1,1'-biphenyl]yl)ethanesulfonamide
a) 5-(5-bromo-1H-benzo[d]imidazolyl)-2',4'-difluoro-[1,1'-biphenyl]amine
To a solution of the compound of Example 1(h) (20 g, 45.2 mmol) in ethanol
(250 ml) was added aqueous solution of NaOH (5 g, 125 mmol, 2.75 eq.) and the
mixture was heated at 85 C for 5 h. The mixture was quenched and extracted as in
Example 1(d). The solvent was distilled off to afford the product in 99 % yield (18 g).
b) N-(5-(5-bromo-1H-benzo[d]imidazolyl)-2',4'-difluoro-[1,1'-biphenyl]
yl)ethanesulfonamide
The compound was prepared from the compound of Example 200(a) (3.0 g, 7.5
mmol) using the procedure of Example 186(b) and ethanesulfonyl chloride (4 g, 30.7
mmol, 4 eq.) to give the product in 95 % yield (3.5g).
c) N-(5-(5-(1H-pyrazolyl)-1H-benzo[d]imidazolyl)-2',4'-difluoro-[1,1'-
biphenyl]yl)ethanesulfonamide
A solution of the compound of Example 200(b) (2.5 g, 5.08 mmol) in 1,2-di-
methoxyethane (75 ml) was degassed by N bubbling for 5 min. 4-(4,4,5,5-Tetramethyl-
[1,3,2]dioxaborolanyl)-1H-pyrazole (1.18 g, 6.1 mmol, 1.2 eq.) was added and the
mixture was degassed for another 5 min. Pd(PPh ) (0.28g, 0.254 mmol, 0.05 eq.) and
aqueous sodium carbonate (1.0 g, 9.48 mmol, 2.0 eq.) were added and the procedure of
Example 1(d) was followed. The crude residue of the product was purified by column
chromatography (60-120 silica gel, 80 % ethyl acetate in hexane) to give the product in
% yield (0.7 g). H-NMR (300 MHz, DMSO-D6) δ = 8.20 (bs, 2H), 8.08 (bs, 1H),
7.75 (m, 3H), 7.62 (s, 2H), 7.50 (m, 2H), 7.30 (m, 1H), 3.31 (q, 2H), 1.27 (t, 3H) LC-
MS (ESI): Calculated mass: 479.5; Observed mass: 480.1 [M+H] (rt: 1.22 min).
d) N-(5-(5-(1-(cyclopropylsulfonyl)-1H-pyrazolyl)-1H-benzo[d]imidazol
yl)-2',4'-difluoro-[1,1'-biphenyl]yl)ethanesulfonamide
To a solution of the compound of Example 200(c) (50 mg, 0.104 mmol) in DCM
was added pyridine (0.5 ml, 6.32 mmol) followed by cyclopropane sulfonyl chloride (22
mg, 0.139 mmol, 1.5 eq.). The reaction was stirred for 1 h and quenched and extracted
as in Example 2(b). The solvent was distilled off to afford the crude residue which was
purified by preparative HPLC to give the product in 89 % yield (40 mg). H-NMR (400
MHz, DMSO-D6) δ = 10.36 (s, 1H), 8.89 (d, 1H), 8.61 (s, 1H), 8.28 (s, 1H), 7.86 (d,
1H), 7.77-7.74 (m, 2H), 7.60 (s, 2H), 7.48-7.46 (m, 2H), 7.29 (t, 1H), 3.30 (q, 2H), 3.20-
3.18 (m, 1H), 1.33-1.32 (m, 2H), 1.26-1.23 (m, 7H) LC-MS (ESI): Calculated mass:
583.63; Observed mass: 584.1 [M+H] (rt: 1.62 min).
Example 201.
N-(2',4'-difluoro(5-(pyrimidinyl)-1H-benzo[d]imidazolyl)-[1,1'-bi-
phenyl]yl)ethanesulfonamide
The compound was prepared from the compound of Example 200(b) using the
procedures of Example 200(c). H-NMR (300 MHz, CD3OD) δ = 9.10 (bs, 4H), 8.14-
8.10 (m, 1H), 7.97-7.82 (m, 1H), 7.80 (d, 1H), 7.60-7.52 (m, 3H), 7.46 (s, 1H), 7.06-
7.04 (m, 2H),3.25(m,2H), 1.28 (t, 3H); LC-MS (ESI): Calculated mass: 419.51;
Observed mass: 492.1 [M+H] (rt: 1.43 min).
Example 202.
N-(2',4'-difluoro(5-(pyridinyl)-1H-benzo[d]imidazolyl)-[1,1'-biphenyl]-
3-yl)ethanesulfonamide
The compound was prepared from the compound of Example 200(b) using the
procedures of Example 200(c). H-NMR (300 MHz, CD3OD) δ = 8.95 (s, 1H), 8.84 (d,
2H), 8.44 (d, 3H), 8.04 (d, 1H), 7.79 (d, 1H), 7.64-7.56 (m, 1H), 7.51 (d, 2H), 7.11-7.04
(dt, 1H), 3.21 (q, 2H), 1.33 (t, 3H) ;LC-MS (ESI): Calculated mass: 490.52; Observed
mass: 490.9 [M+H] (rt: 0.37 min).
Example 203.
N-(5-(5-(1H-pyrazolyl)-1H-benzo[d]imidazolyl)-2',4'-difluoro-[1,1'-bi-
phenyl]yl)cyclopropanesulfonamide
The compound was prepared from the compound of of Example 200(a) (15 g,
37.5 mmoles) using the procedure of Example 186(b) and cyclopropane sulfonyl
chloride (10 ml, 56.25 mmol, 1.5 eq.) followed by the procedure of Example 200(c) to
give the product in 40 % yield (36 mg). H-NMR (400 MHz, DMSO-D6) δ = 10.33 (s,
1H), 8.88 (s, 1H), 8.20 (s, 2H), 8.09 (s, 1H), 7.80-7.77 (m, 1H), 7.73 (s, 2H), 7.63 (d,
2H), 7.53 (d,1H), 7.52-7.49 (m, 1H), 7.32-7.31 (m, 1H), 1.05 (d, 5H) ppm. LC-MS
(ESI): Calculated mass: 491.51; Observed mass: 492.4 [M+H] (rt: 1.34 min).
Example 204.
N-(2',4'-difluoro(5-(1-isopropyl-1H-pyrazolyl)-1H-benzo[d]imidazolyl)-
[1,1'-biphenyl]yl)cyclopropanesulfonamide
The compound was prepared from the compound of Example 167 using the
procedures of Example 2 and cyclopropane sulfonyl chloride. H-NMR (300 MHz,
DMSO-D6) δ = 8.64 (s, 1H), 8.30 (s, 1H), 8.01 (s, 1H), 7.95 (s, 1H), 7.80-7.72 (m, 1H),
7.65 (d, 2H), 7.55-7.52 (m, 3H), 7.45 (m, 2H), 7.32-7.22 (m, 1H), 4.52 (m, 1H), 2.82
(m, 1H), 1.48 (s, 3H), 1.46 (s, 3H), 1.01-0.99 (m, 4H);LC-MS (ESI): Calculated mass:
533.59; Observed mass: 534.1 [M+H] (rt: 1.59 min).
Example 205.
N-(2',4'-difluoro(5-(1-isopropyl-1H-pyrazolyl)-1H-benzo[d]imidazolyl)-
[1,1'-biphenyl]yl)methoxyacetamide
a) N-(5-(5-bromo-1H-benzo[d]imidazolyl)-2',4'-difluoro-[1,1'-biphenyl]yl)-
2-methoxyacetamide
To a solution of the compound of Example 200(a) (250 mg, 0.625 mmol) in
DCM was added TEA (0.5 ml, 3.46 mmol, 5.5 eq.) followed by 2-methoxyacetyl
chloride (81 mg, 0.75 mmol, 1.2 eq.). The mixture was stirred for 2 h and quenched and
extracted as in Example 1(d). The solvent was distilled off to afford the crude residue
which was purified by column chromatography (60-120 silica gel, 20 % Ethyl acetate in
hexane, 68 % yield (200 mg).
b) N-(2',4'-difluoro(5-(1-isopropyl-1H-pyrazolyl)-1H-benzo[d]imidazol
yl)-[1,1'-biphenyl]yl)methoxyacetamide
The compound was prepared from the compound of Example 205(a) (100 mg,
0.212 mmol) using the procedure of Example 200(c) and 1-isopropyl(4,4,5,5-tetra-
methyl-1,3,2-dioxaborolanyl)-1H-pyrazole (70 mg, 0.297mmol, 1.4 eq.) to give the
title product in 57 % yield (60 mg). H-NMR (300 MHz, DMSO-D6) δ = 8.64 (s, 1H),
8.30 (s, 1H), 8.01 (s, 1H), 7.95 (s, 1H), 7.80-7.72 (m, 1H), 7.65 (d, 2H), 7.55-7.52 (m,
3H), 7.45 (m, 2H), 7.32-7.22 (m, 1H), 4.52 (m, 1H), 2.82 (m, 1H), 1.48 (s, 3H), 1.46 (s,
3H), 1.01-0.99 (m, 4H); LC-MS (ESI): Calculated mass: 501.53; Observed mass: 502.1
[M+H] (rt: 1.55 min).
Example 206.
N-(5-(5-(1-acetyl-1H-pyrazolyl)-1H-benzo[d]imidazolyl)-2',4'-difluoro-
[1,1'-biphenyl]yl)cyclopropanesulfonamide
To a solution of the compound of Example 203 (50 mg, 0.101 mmol) in DCM (1
ml) was added TEA (0.1 ml, 0.69 mmol, 6.9 eq.) followed by acetyl chloride (12 mg,
0.142 mmol, 1.4 eq.). The micture was stirred for 2 h and quenched and extracted as in
Example 1(d). The solvent was distilled off to afford the crude residue which was
purified by preparative HPLC to yield the product in 74 % yield (40 mg). H-NMR (300
MHz, DMSO-D6) δ = 8.93 (bs, 1H), 8.72 (s, 1H), 8.50 (s, 1H), 8.24 (s, 1H), 7.83 (d,
1H), 7.76-7.70 (m, 2H), 7.58 (bs, 2H), 7.50-7.40 (m, 2H), 7.30-7.20 (m, 1H), 3.15 (s,
3H), 2.90-2.80 (m, 1H), 2.67 (s, 3H), 1.01 (d, 4H); LC-MS (ESI): Calculated mass:
533.55; Observed mass: 534.1 [M+H] (rt: 1.55 min).
Example 207.
N-(2',4'-difluoro(5-(1-(methylsulfonyl)-1H-pyrazolyl)-1H-benzo[d]-
imidazolyl)-[1,1'-biphenyl]yl)cyclopropanesulfonamide
To a solution of the compound of Example 203 (50 mg, 0.101 mmol) in DCM
was added pyridine (16 mg, 0.202 mmol, 2.0 eq.) followed by methanesulfonyl chloride
(14 mg, 0.122 mmol, 1.2 eq.). The mixture was stirred for 1 h and quenched and
extracted as in Example 2(b). The solvent was distilled off to afford the crude residue
which was purified by preparative HPLC to give the product in 60 % yield (40 mg). H-
NMR (400 MHz, DMSO-D6) δ = 10.32 (s, 1H), 8.95 (s, 1H), 8.90 (s, 1H), 8.62 (s, 1H),
8.29 (s, 1H), 7.88 (d, 1H), 7.76 (dd, 2H), 7.63 (d, 2H), 7.52 (s, 1H), 7.50-7.47 (m, 1H),
7.30-7.29 (dt, 1H), 3.61 (s, 3H), 2.90-2.86 (m, 1H), 1.04-1.02 (d, 4H); LC-MS (ESI):
Calculated mass: 569.6; Observed mass: 569.9 [M+H] (rt: 0.64 min).
Example 208.
N-(5-(5-(1-cyclopentyl-1H-pyrazolyl)-1H-benzo[d]imidazolyl)-2',4'-
difluoro-[1,1'-biphenyl]yl)methanesulfonamide
a) N-(5-(5-bromo-1H-benzo[d]imidazolyl)-2',4'-difluoro-[1,1'-biphenyl]yl)-
methanesulfonamide
To a solution of the compound was prepared from the compound of Example
200(a) (3.0 g, 7.5 mmol) in DCM was added pyridine (5 ml, 63.2 mmol, 8.4 eq.)
followed by methanesulfonyl chloride (1.3 g, 11.25 mmol, 1.5 eq.). The mixture was
stirred for 1 h and quenched and extracted as in Example 2(b). The solvent was distilled
off to afford the crude residue which was purified by preparative HPLC to give the
product in 95 % yield (3.5g).
b) N-(5-(5-(1-cyclopentyl-1H-pyrazolyl)-1H-benzo[d]imidazolyl)-2',4'-
difluoro-[1,1'-biphenyl]yl)methanesulfonamide
The compound was prepared from the the compound of Example 208(a) (100
mg, 0.209 mmol) using the procedure of Example 200(c) and 1-cyclopentyl(4,4,5,5-
tetramethyl-1,3,2-dioxaborolanyl)-1H-pyrazole (82 mg, 0.313 mmol, 1.5 eq.) to give
the title product in 33 % yield (30 mg). H-NMR (300 MHz, DMSO-D6) δ = 10.28 (s,
1H), 8.63 (s, 1H), 8.28 (s, 1H), 8.00 (s, 1H), 7.94 (s, 1H), 7.80-7.70 (m, 1H), 7.70-7.60
(m, 2H), 7.54 (d, 2H), 7.50-7.40 (m, 2H), 7.30-7.20 (dt, 1H), 4.72-4.65 (m, 1H), 3.94 (s,
1H), 3.16 (s, 3H), 2.15-2.05 (m, 2H), 2.00-1.90 (m, 2H), 1.85-1.75 (m, 2H), 1.70-1.60
(m, 2H); LC-MS (ESI): Calculated mass: 533.59; Observed mass: 534.3 [M+H] (rt:
1.12 min).
Example 209.
N-(2',6'-difluoro(6-(1-methyl-1H-pyrazolyl)-3H-imidazo[4,5-b]pyridin
yl)-[1,1'-biphenyl]yl)cyclopropanecarboxamide
a) N-(5-((5-bromonitropyridinyl)amino)-2',6'-difluoro-[1,1'-biphenyl]
yl)acetamide
A solution of N-(5-amino-2',6'-difluoro-[1,1'-biphenyl]yl)acetamide (1.4 g, 6.1
mmol), 5-bromochloronitropyridine (1.6 g, 6.1 mmol, 1.0 eq.) and potassium
fluoride (0.53 g, 9.0 mmol, 1.5 eq.) in DMF (8 ml) was heated at 110 C for 4 h. The
mixture was quenched and extracted as in Example 1(d). The solvent was distilled off to
afford the crude product which was purified by column chromatography (60-120 silica
gel, 30 % Ethyl acetate in hexane) to give the title product in 28 % yield (0.8 g).
b) N-(5-((5-bromonitropyridinyl)amino)-2',6'-difluoro-[1,1'-biphenyl]
yl)acetamide
To a solution of the compound of Example 209(a) (0.8 g, 1.73 mmol) in THF (25
ml) and methanol (5 ml) were added a solution of ammonium chloride (0.37 g, 6.92
mmol, 4 eq.) in water (5 ml) and zinc (0.45 g, 6.92 mmol, 4 eq). The mixture was stirred
at RT for 1 h and filtered. The filtrate was diluted with water and extracted as in
Example 1(d). The solvent was distilled off to afford the product in 80 % yield (0.6 g).
c) N-(5-(6-bromo-3H-imidazo [4,5-b]pyridinyl)-2',6'-difluoro-[1,1'-biphenyl]-
3-yl)acetamide
A mixture of the compound of Example 209(b) (0.6 g, 1.38 mmol) and formic
acid (3 ml) was heated at 80 C for 1 h. Formic acid was then distilled off and the crude
was dissolved in ethyl acetate. The ethyl acetate layer was washed with water, brine and
dried over sodium sulphate. The solvent was distilled off and hexane washings were
given to the crude material to afford the title product in 98 % yield (0.5 g).
d) N-(2',6'-difluoro(6-(1-methyl-1H-pyrazolyl)-3H-imidazo[4,5-b]pyridin-
3-yl)-[1,1'-biphenyl]yl)acetamide
The compound was prepared from the the compound of Example 209(c) (1.3 g,
2.94 mmol) using the procedure of Example 200(c) and 1-methyl(4,4,5,5-tetra-
methyl-1,3,2-dioxaborolanyl)-1H-pyrazole (0.91g, 4.41 mmol, 1.5 eq.) to give the
title product in 61 % yield (0.8 g).
e) 2',6'-difluoro(6-(1-methyl-1H-pyrazolyl)-3H-imidazo[4,5-b]pyridin
yl)-[1,1'-biphenyl]amine
To a solution of the compound of Example 209(d) (0.8 g, 1.8 mmol) in ethanol
(10 ml) was added aqueous solution of NaOH (0.2g, 5.4 mmol, 3 eq.) and the mixture
was heated at 80 C for 12 h. The mixture was quenched with water when solid
precipitated. This was purified using basic alumina column chromatography using 2 %
methanol in chloroform as eluant to give the product in 20 % yield (0.15 g ).
f) N-(2',6'-difluoro(6-(1-methyl-1H-pyrazolyl)-3H-imidazo[4,5-b]pyridin-
3-yl)-[1,1'-biphenyl]yl)cyclopropanecarboxamide
To a solution of the compound of Example 209(e) (15 mg, 0.37 mmol) in DMF
(2 ml) was added cyclopropane carboxylic acid (40 mg, 0.55 mmol). HATU (200 mg,
0.55 mmol) was added and stirred at RT for 4 h. The mixture was quenched with chilled
water and the precipitate was collected and purified by preparative HPLC to afford the
title product in 10 % yield (17 mg). H NMR (400 MHz, DMSO-d ): δ 10.7 (s, 1H), 8.89
(s, 1H), 8.73-8.72 (d, 1H), 8.42 (d, 1H), 8.35-8.34 (t, 1H), 8.31 (s, 1H), 8.04 (s, 1H),
7.82 (s, 1H), 7.69 (s, 1H), 7.57-7.51 (m 1H), 7.31-7.27(t,2H), 3.89(s,3H),1.86-1.83
(m,1H), 0.85-0.84 (d,4H); LC-MS (ESI): Calculated mass: 470.47; Observed mass:
471.2 [M+H] (rt: 1.43 min).
Example 210.
3-(2',4'-difluoro(5-(1-isopropyl-1H-pyrazolyl)-1H-benzo[d]imidazolyl)-
[1,1'-biphenyl]yl) - N,N'-dimethylsulfuric diamide
a) 3-(5-(5-bromo-1H-benzo[d]imidazolyl)-2',4'-difluoro-[1,1'-biphenyl]yl)-
N,N'-dimethylsulfuric diamide
To a solution of the compound of Example 200(a) (4.0g, 10.0 mmol) in DCM
(50 ml) was added pyridine (5 ml, 63.29 mmol, 6.3 eq.) followed by dimethylsulfamoyl
chloride (2.0 g, 14.0 mmol, 1.4 eq.). The mixture was stirred for 16 h and quenched and
extracted as in Example 1(d). The solvent was distilled off to afford the crude product
which was purified by column chromatography (60-120 silica gel, 2 % methanol in
DCM) to give the desired title product in 81 % yield (4.1 g).
b) 3-(2',4'-difluoro(5-(1-isopropyl-1H-pyrazolyl)-1H-benzo[d]imidazol
yl)-[1,1'-biphenyl]yl) - N,N'-dimethylsulfuric diamide
The compound was prepared from the compound of Example 210(a) (200 mg,
0.394 mmol) using the procedure of Example 200(c) and 1-isopropyl(4,4,5,5-tetra-
methyl-1,3,2-dioxaborolanyl)-1H-pyrazole (121 mg, 0.383 mmol, 1.3 eq.) to give the
title product in 23 % yield (50 mg). H-NMR (300 MHz, DMSO-D6) δ = 10.45 (s, 1H),
8.95 (s, 1H), 8.35 (s, 1H), 8.04 (s, 1H), 7.98 (s, 1H), 7.78-7.68 (m, 3H), 7.57 (s, 2H),
7.47 (m, 2H), 7.34-7.24 (dt, 1H), 2.80 (s, 6H), 1.47 (d, 6H) ; LC-MS (ESI); Calculated
mass: 536.6: Observed mass: 537.1 [M+H] (rt: 1.57 min).
Example 211.
3-(5-(5-(6-(benzyloxy)pyridinyl)-1H-benzo[d]imidazolyl)-2',4'-difluoro-
[1,1'-biphenyl]yl)-N,N'-dimethylsulfuric diamide
The compound was prepared from the compound of Example 210(a) using the
procedures of Example 200(c) and 2-(benzyloxy)(4,4,5,5-tetramethyl-1,3,2-dioxa-
borolanyl)pyridine. H NMR (300 MHz, DMSO-d ): δ 10.29 (s, 1H), 8.81 (s, 1H),
8.22 (s, 1H), 7.99 (s, 1H), 7.95 (s, 1H), 7.75-7.56 (m, 5 H), 7.48-7.43 (m, 2 H), 7.27 (m,
1H), 3.88 (s, 3H), 3.48-3.44 (m, 1H), 1.3 (d, 6H); LC-MS (ESI): Calculated mass:
611.66; Observed mass: 612.1 [M+H] (rt: 1.87 min).
Example 212.
3-(2',4'-difluoro(5-(6-oxo-1,6-dihydropyridinyl)-1H-benzo[d]imidazol
yl)-[1,1'-biphenyl]yl)-N,N’-dimethylsulfuric diamide
To a solution of the compound of Example 211 (250 mg, 0.391 mmoles) in 1,4-
dioxane (10 ml), TFA (0.2 ml) was added and heated to 70 C for 2 h. The reaction mass
was completely concentrated and the crude material was purified by preparative HPLC
to give the title product in 70 % yield (80 mg) H-NMR (300 MHz, DMSO-D6) δ =
8.96 (s, 1H), 8.02 (s, 1H), 7.80 (dd, 1H), 7.82 (d, 1H), 7.80-7.70 (m, 2H), 7.70-7.62 (d,
1H), 7.57 (s, 2H), 7.51-7.44 (m, 2H), 7.29 (dt, 1H), 6.47 (d, 1H), 2.80 (s, 6H); LC-MS
(ESI): Calculated mass: 521.54; Observed mass: 522.2 [M+H] (rt: 0.87min).
Example 213.
N-(5-(6-(1-(cyclopropylsulfonyl)-1H-pyrazolyl)-3H-imidazo[4,5-b]pyridin
yl)-2',4'-difluoro-[1,1'-biphenyl]yl)acetamide
a) N-(5-(6-(1H-pyrazolyl)-3H-imidazo[4,5-b]pyridinyl)-2',4'-difluoro-[1,1'-
biphenyl]yl)acetamide
The compound was prepared from N-(5-(6-bromo-3H-imidazo [4,5-b]pyridin
yl)-2',4'-difluorobiphenylyl)acetamide (2.1 g, 4.74 mmol) using the procedure of
Example 200(c) to give the desired title product in 95 % yield (1.9 g).
b) N-(5-(6-(1-(cyclopropylsulfonyl)-1H-pyrazolyl)-3H-imidazo[4,5-b]pyridin-
3-yl)-2',4'-difluoro-[1,1'-biphenyl]yl)acetamide
The compound was prepared from the compound of Example 213(a) (50 mg,
0.125 mmol) using the procedure of Example 200(d) to give the product in 33 % yield
(20 mg). H-NMR (400 MHz, CD3OD) δ = 8.80 (dd, 2H), 8.73 (s, 1H), 8.44 (d, 1H),
8.40 (s, 1H), 8.27 (t, 1H), 7.81 (d, 1H), 7.76 (s, 1H), 7.66-7.64 (m, 1H), 7.14-7.09 (m,
2H), 3.03-2.99 (m, 1H), 2.20 (s, 3H), 1.47-1.44 (m, 2H), 1.25-1.23 (m, 2H) ppm:
Calculated mass:534.54 ; Observed mass: 534.8 [M+H] (rt: 1.55 min).
Example 214.
N-(2',4'-difluoro(6-(1-(methylsulfonyl)-1H-pyrazolyl)-3H-imidazo[4,5-
b]pyridinyl)-[1,1'-biphenyl]yl)acetamide
The compound was prepared from the compound of Example 213(a) using the
procedures of Example 200(d). H-NMR (400 MHz, DMSO-D6+D2O) δ = 9.01 (s, 1H),
8.99 (s, 1H), 8.92 (d, 1H), 8.69-8.68 (m, 2H), 8.31 (t, 1H), 7.90 (m, 1H), 7.73 (m, 2H),
7.46 (dt, 1H), 7.29 (dt, 1H), 3.63 (s, 3H), 2.14 (s, 3H); LC-MS (ESI): Calculated mass:
508.5; Observed mass: 508.7 [M+H] (rt: 1.46 min).
Example 215.
N-(5-(6-(1-(ethylsulfonyl)-1H-pyrazolyl)-3H-imidazo[4,5-b]pyridinyl)-
2',4'-difluoro-[1,1'-biphenyl]yl)acetamide
The compound was prepared from the compound of Example 213(a) using the
procedures of Example 200(d). H-NMR (400 MHz, DMSO-D6) δ = 10.41 (s, 1H), 9.03
(s, 1H), 8.98 (s, 1H), 8.92 (d, 1H), 8.69 (s, 1H), 8.31 (s, 1H), 7.88 (s, 1H), 7.71 (m, 2H),
7.47 (dt, 1H), 7.28 (dt, 1H), 3.77 (q, 2H), 1.16 (t, 3H), 2.12 (s, 3H); LC-MS (ESI):
Calculated mass: 522.53; Observed mass: 523.2 [M+H] (rt: 1.56 min).
Example 216.
N-(2', 4’-difluoro(6-(1-methyl-1H-pyrazolyl)-3H-imidazo [4, 5-b] pyridin-
3-yl)-[1, 1’-biphenyl]yl)- N,N'-dimethylsulfuric diamide
a) N-(2', 4’-difluoro((6-bromo)-3H-imidazo [4, 5-b] pyridinyl)-[1, 1’-bi-
phenyl]yl)- N,N'-dimethylsulfuric diamide
To a solution of N-(2',4’-difluoro((6-bromo)-3H-imidazo[4,5-b] pyridinyl)-
[1,1’-biphenyl]yl)amine (3.0 g, 7.48 mmol) in DCM (10 ml) was added pyridine (3
ml, 37.9 mmol, 2 eq.) followed by dimethylsulfamoyl chloride (1.6g, 11.22 mmol, 1.5
eq.). The mixture was stirred for 16 h and quenched and extracted as in Example 1(d).
The solvent was distilled off to afford the crude product which was purified by
preparative HPLC to give the title product in 55 % yield (2.1 g).
b) N-(2', 4’-difluoro(6-(1-methyl-1H-pyrazolyl)-3H-imidazo [4, 5-b]
pyridinyl)-[1, 1’-biphenyl]yl)- N,N'-dimethylsulfuric diamide
The compound was prepared from the compound of Example 216(a) (150 mg,
0.295 mmol) using the procedure of Example 200(c) and 1-methyl(4,4,5,5-tetra-
methyl-1,3,2-dioxaborolanyl)-1H-pyrazole to give the title product in 41 % yield (45
mg). H NMR (300 MHz, DMSO-d ): δ = 8.95 (s, 1H), 8.72 (s, 1H), 7.41 (d, 1H), 8.32
(s, 1H), 8.05 (s, 1H), 7.98 (m, 1H), 7.72 (m, 1H), 7.50-7.42 (m, 2H), 7.32-7.24 (m, 2H),
3.90 (s, 3H), 2.81 (s, 6H); LC-MS (ESI); Calculated mass: 509.53: Observed mass:
510.1 [M+H] (rt: 1.49 min).
Example 217.
N-(2',4’-difluoro(6-(1-isopropyl-1H-pyrazolyl)-3H-imidazo[4,5-b] pyridin-
3-yl)-[1,1’-biphenyl]yl)-N,N'-dimethylsulfuric diamide
The compound was prepared from the compound of Example 216(a) using the
procedures of Example 200(c) and 1-isopropyl(4,4,5,5-tetramethyl-1,3,2-dioxaboro-
lanyl)-1H-pyrazole. H-NMR (300 MHz, DMSO-D6) δ = 10.40 (s, 1H), 8.94 (s, 1H),
8.75 (d, 1H), 8.40 (m, 2H), 8.06 (s, 1H), 7.99 (t, 1H), 7.76-7.68 (m, 2H), 7.50-7.40 (m,
2H), 7.32-7.24 (dt, 1H), 4.60-4.50 (m, 1H), 2.81 (s, 6H), 1.48 (s, 6H);LC-MS (ESI):
Calculated mass: 537.58; Observed mass: 538.1 [M+H] (rt: 1.62 min).
Example 218.
N-(2',4’-difluoro(6-oxo-1,6-dihydropyridinyl)-3H-imidazo [4,5-b] pyridin-
3-yl)-[1,1’-biphenyl]yl)-N,N'-dimethylsulfuric diamide
a) N-(2', 4’-difluoro(6-(benzyloxy)pyridinyl)-3H-imidazo [4, 5-b] pyridin-
3-yl)-[1, 1’-biphenyl]yl)- N,N'-dimethylsulfuric diamide
A solution of the compound of Example 216(a) (300 mg, 0.59 mmol) in 1,2-
dimethoxyethane (10 ml) was degassed by N bubbling for 5 min. 2-(Benzyloxy)
(4,4,5,5-tetramethyl-1,3,2-dioxaborolanyl)pyridine (220 mg, 0.708 mmol, 1.2 eq.)
was added and the mixture was degassed for another 5 min. Pd(PPh ) (34 mg, 0.0295
mmol, 0.05 eq.) and aqueous sodium carbonate (125 mg, 1.179 mmol, 2.0 eq.) were
added and the procedure ofExample 1(d) was followed. The crude residue of the product
was purified by preparative HPLC to give the title product in 69 % yield (250 mg). H
NMR (300 MHz, DMSO-d ): δ 10.39 (s, 1H), 9.03 (s, 1H), 8.78 (s, 1H), 8.64 (s, 1H),
8.55 (s, 1H), 8.25-8.2 (m, 1H), 7.98 (s, 1H), 7.74 (m, 2H), 7.7-7.5 (m, 2H), 7.5-7.25 (m,
1H), 7.08-7.0 (d, 1H), 5.43 (s, 2H), 2.81(s, 6H); LC-MS (ESI); Calculated mass: 614.2:
Observed mass: 613.2 [M-H] (rt: 1.4 min).
b) N-(2',4’-difluoro(6-oxo-1,6-dihydropyridinyl)-3H-imidazo [4,5-b]
pyridinyl)-[1,1’-biphenyl]yl)-N,N'-dimethylsulfuric diamide
To a solution of the compound of Example 218(a) (240 mg, 0.391 mmoles) in
1,4-dioxane (10 ml), TFA (0.8 ml) was added and heated to 70 °C for 2 h. The reaction
mass was completely concentrated and the crude material was purified by preparative
HPLC to give the title product in 50 % yield (80 mg). H-NMR (300 MHz, DMSO-D6) δ
= 10.40 (s, 1H), 8.99 (s, 1H), 8.67 (d, 1H), 8.42 (d, 1H), 8.00-7.95 (m, 2H), 7.88 (s, 1H),
7.73 (m, 2H), 7.50-7.43 (m, 2H), 7.32-7.26 (dt, 1H), 6.48 (d, 1H), 2.81 (s, 6H); LC-MS
(ESI); Calculated mass: 522.53: Observed mass: 523.1 [M+H] (rt: 1.39 min).
Example 219.
N-(2',4'-difluoro(5-(1-(3-hydroxymethylbutyl)-1H-pyrazolyl)-1H-
benzo[d]imidazolyl)-[1,1'-biphenyl]yl)acetamide
The compound was prepared from the compound of Example 1(h) (0.2 g, 0.452
mmol) using the procedure of Example 200(c) and 2-methyl(3-(4,4,5,5-tetramethyl-
1,3,2-dioxaborolanyl)-1H-pyrazolyl)butanol to give the title product in 55.79 %
yield (0.13 g). H NMR (300 MHz, DMSO-d6): δ 10.42 (s, 1H), 8.96 (s, 1H), 8.11 (s,
1H), 8.01 (s, 2H), 7.82 (s, 1H), 7.71 (m, 3H), 7.54-7.41 (m, 2H), 7.29-7.25 (m, 1H),
4.24-4.18 (t, 2H),2.155 (s, 3H), 1.98-1.92 (s, 2H), Calculated mass: 515.55; Observed
mass: 516.3 [M+H] (rt: 1.2 min).
Example 220.
N-(4'-fluoro(5-(1-(3-hydroxymethylbutyl)-1H-pyrazolyl)-1H-benzo[d]-
imidazolyl)-[1,1'-biphenyl]yl) acetamide
The compound was prepared from N-(5-(5-bromo-1H-benzo[d]imidazolyl)-4'-
fluoro-[1,1'-biphenyl]yl)acetamide (0.07 g, 0.164 mmol) using the procedure of
Example 200(c) and 2-methyl(3-(4,4,5,5-tetramethyl-1,3,2-dioxaborolanyl)-1H-
pyrazolyl)butanol (0.092 g, 0.329 mmol, 2.0 eq.) to give the title product in 22.2
% yield (0.018 g). H NMR (300 MHz, DMSO-d ): δ 10.42 (s, 1H), 8.68 (s, 1H), 8.25
(s, 1H), 7.99 (d, 2H), 7.93 (s, 1H), 7.83 (s, 1H), 7.69 (m, 2H), 7.65 (m, 1H), 7.61 (m,
2H), 7.36 (t, 2H), 4.48 (s, 1H); 4.26 (m,2H); 2.12 (s,3H); 1.91 (m,2H);1.15(s,6H); LC-
MS (ESI): Calculated mass: 497.56 Observed mass: 497.9 [M+H] (rt: 0.9 min).
Example 221.
N-(2', 4’-difluoro(5-(3-fluoropyridinyl)-1H-benzo[d]imidazolyl)-[1,1'-
biphenyl]yl)acetamide
The compound was prepared from the compound of Example 1(h) using the
procedures of Example 200(c). H NMR (400 MHz, DMSO-d ): δ 10.42 (s, 1H), 8.85
(s, 1H), 8.70 (s, 1H), 8.541-8.53 (d, 1H), 8.14-8.11 (d, 2H), 7.88-7.84 (m, 2H), 7.79-
7.69 (m, 3H), 7.56(s, 1H), 7.48-7.46 (t, 1H),2.155 (s, 3H), 2.12(s, 3H), Calculated mass:
458.43; Observed mass: 459.2[M+H] (rt: 1.55 min).
Example 222.
N-(2', 4’-difluoro(5-(3-methyl-1H-pyrazolyl)-1H-benzo[d]imidazolyl)-
[1, 1’-biphenyl]yl) acetamide
The compound was prepared from the compound of Example 1(h) using the
procedures of Example 220. H NMR (300 MHz, DMSO-d6): δ 10.32 (s,1H) 8.80 (s,
1H), 8.40 (s, 1H), 8.37 (s, 1H), 8.16 (s, 1H), 7.97-7.91 (d, 1H), 7.90-7.76 (m,3H), 7.56
(d,1H), 7.47 (m, 1H), 7.30 (m, 1H),2.25(s, 3H), 2.10 (s, 3H); LC-MS (ESI): Calculated
mass: 443.45; Observed mass: 444.2 [M+H] (rt: 0.69 min).
Example 223.
Ethyl 3-((2', 4’-difluoro(5-(1-methyl-1H-pyrazolyl)-1H-benzo[d]imidazol-
1-yl)-[1, 1’-biphenyl]yl) amino)oxopropanoate
To a solution of the compound of Example 2(a) (80 mg, 0.1995 mmol) in DCM
was added TEA(40 mg, 0.399 mmol, 2.0 eq.) followed by ethyl 3-chlorooxopropa-
noate (32.9 mg, 0.219 mmol, 1.1 eq). The mixture was stirred for 2 h and quenched and
extracted as in Example 1(d). The solvent was distilled off to afford the crude residue
which was purified by preparative HPLC to give the pure product in 20 % yield (20 mg)
H NMR (400 MHz, DMSO- d ): δ 10.7(s, 1H), 8.77 (s, 1H), 8.23 (s, 1H), 8.10 (s, 1H),
8.01 (s, 1H), 7.97 (s, 1H), 7.83 (s, 1H), 7.78 (d, 1H), 7.73 (d, 1H), 7.65 (d, 1H), 7.59 (s,
1H), 7.49 (t, 1H),7.3(t,1H),3.90(s,3H),3.82(q, 2H),1.4(t,3H),3.45(s,2H); LC-MS (ESI):
Calculated mass: 515.51; Observed mass: 516.4 [M+H] (rt: 0.96 min).
Example 224.
3-((2', 4’-difluoro(5-(1-methyl-1H-pyrazolyl)-1H-benzo[d]imidazolyl)-
[1, 1’-biphenyl]yl) amino)oxopropanoic acid
To a solution of the compound of Example 223 (20 mg, 0.0388 mmol) in THF
(10 ml) was added aqueous solution of lithium hydroxide (4 mg, 0.0776 mmol, 2 eq)
and the mixture was stirred at RT for 2 h. The mixture was quenched and extracted as in
Example 1(d). The solvent was distilled off to afford the crude residue which was
purified by preparative HPLC to give the pure product in 90 % yield (25 mg). H NMR
(400 MHz, DMSO- d ): δ 10.7(s, 1H), 8.77 (s, 1H), 8.23 (s, 1H), 8.10 (s, 1H), 8.01 (s,
1H), 7.97 (s, 1H), 7.83 (s, 1H), 7.78 (d, 1H), 7.73 (d, 1H), 7.65(d, 1H), 7.59 (s, 1H),
7.49 (t,1H), 7.3 (t,1H), 3.90 (s,3H), 3.45 (s,2H); LC-MS (ESI): Calculated mass: 487.15;
Observed mass: 488.0 [M+H] (rt: 0.638 min).
Example 225.
N-(2',4’-difluoro(5-(1-methyl-1H-pyrazolyl)-1H-benzo[d]imidazolyl)-
[1,1’-biphenyl]yl)(1H-1,2,4-triazolyl) acetamide
To a solution of the compound of Example 2(a) (100 mg, 0.249 mmol) in DMF
was added 2-(1H-1,2,4-triazolyl)acetic acid (47 mg, 0.374, mmol,1.5 eq.) followed
by HATU (189 mg, 0.498 mmol, 2.0 eq) and DIPEA (96.5 mg, 0.74 mmol, 3.0 eq). The
mixture was stirred for 16 h and quenched and extracted as in Example 1(d). The
solvent was distilled off to afford the crude residue which was purified by preparative
HPLC to give the product in 71.4 % yield (90 mg). H NMR (400 MHz, DMSO- d ): δ
.9(s, 1H), 8.66 (s, 1H), 8.59 (s, 1H), 8.19 (s, 1H), 8.06 (s, 1H), 8.02 (s, 1H), 8.00 (d,
1H), 7.93 (s, 1H), 7.80-7.75 (m, 2H), 7.7 (d, 1H), 7.61-7.59 (m, 2H), 7.48-7.42 (m, 1H),
7.3 (m, 1H) 4.12 (s, 1H), 3.87 (s, 3H); LC-MS (ESI): Calculated mass: 510.17;
Observed mass: 511.2 [M+H] (rt: 0.386 min).
Example 226.
N-(2', 4’-difluoro(5-(1-methyl-1H-pyrazolyl)-1H-benzo[d]imidazolyl)-
[1, 1’-biphenyl]yl)(2H-tetrazolyl) acetamide
a) 2-Cyano-N-(2', 4’-difluoro(5-(1-methyl-1H-pyrazolyl)-1H-benzo[d]-
imidazolyl)-[1, 1’-biphenyl]yl) acetamide
To a solution of the compound of Example 2(a) (100 mg,0.249 mmol) in DMF
was added cyanoacetic acid (25.6 mg, 0.299 mmol,1.2 eq) followed by HATU (184 mg,
0.485 mmol, 2.0 eq) and DIPEA (0.15ml, 0.74 mmol, 3.0 eq). The mixture was stirred
for 16 h and quenched and extracted as in Example 1(d). The solvent was distilled off to
afford the crude residue which was purified by column chromatography to give the
product in 19 % yield (80 mg). LC-MS (ESI): Calculated mass: 468; Observed mass:
469.3 [M+H] (rt: 0.88 min).
b) N-(2', 4’-difluoro(5-(1-methyl-1H-pyrazolyl)-1H-benzo[d]imidazol
yl)-[1, 1’-biphenyl]yl)(2H-tetrazolyl) acetamide
To a solution of the compound of Example 226(a) (80 mg,0.170 mmol) in DMF
was added sodium azide (11 mg, 0.170 mmol, 1.eq) followed by ammonium chloride
(10 mg, 0.188 mmol, 1.1eq). The mixture was stirred at 80°C for 16 h and quenched and
extracted as in Example 1(d). The solvent was distilled off to afford the crude residue
which was purified by preparative HPLC to give the product in 6.8 % yield (6 mg). H
NMR (400 MHz, CD OD): δ 8.51(s, 1H), 8.16 (s, 1H), 8.02 (s, 1H), 7.92(s, 1H), 7.88
(s, 1H), 7.80 (s, 1H), 7.73-7.60 (m, 3H), 7.53 (s, 1H), 7.16-7.10 (m, 2H), 4.12(s, 2H),
3.96 (s, 3H), ; LC-MS (ESI): Calculated mass: 511.17; Observed mass: 512.1 [M+H]
(rt: 0.874 min).
Example 227.
(3S,5R)-N-(2',4'-difluoro(5-(1-methyl-1H-pyrazolyl)-1H-benzo[d]imida-
zolyl)-[1,1'-biphenyl]yl)-3,5-dimethylpiperazinecarboxamide
To a solution of the compound of Example 2(a) (80 mg, 0.2 mmol) in DCM was
added 20 % phosgene in toluene (0.2 ml, 0.4 mmol, 2 eq.) at 0 C. The mixture was
stirred for 1 h and excess phosgene was removed by purging with nitrogen, followed by
the addition of 2,6-dimethylpiperazine (34 mg, 0.3 mmol, 1.5 eq.). The mixture was
stirred overnight and quenched and extracted as in Example 1(d). The solvent was
distilled off to afford the crude residue which was purified by preparative HPLC to give
the pure product in 7 % yield (7 mg). H NMR (300 MHz, CD OD): δ 8.48 (s, 1H), 8.0
(s, 1H), 7.9 (s, 1H), 7.86-7.85 (m, 2H), 7.72-7.65 (d, 1H), 7.65-7.59 (m, 4H), 7.43 (s,
1H), 7.11 (m, 1H), 4.2 (d, 2H), 3.1-3.0 (br, 2H),2.7-2.6 (t, 1H), 1.23-1.17 (d, 6H); LC-
MS (ESI): Calculated mass: 541.59; Observed mass: 542.2 [M+H] (rt: 0.632 min).
Example 228.
N-(2',4'-difluoro(5-(1-methyl-1H-pyrazolyl)-1H-benzo[d]imidazolyl)-
[1,1'-biphenyl]yl)methylpiperazinecarboxamide
The compound was prepared from the compound of Example 2(a) using the
procedure of Example 227. H NMR (300 MHz, CD OD): δ 8.48 (s, 1H), 8.0 (s, 1H),
7.9 (s, 1H), 7.86-7.85 (m, 2H), 7.72-7.65 (d, 1H), 7.65-7.59 (m, 4H), 7.43 (s, 1H), 7.11-
7.09 (m, 2H), 3.94 (s, 3H), 3.63-3.60 (m, 4H), 2.55-2.53 (m, 4H), 2.36 (s, 3H); LC-MS
(ESI): Calculated mass: 527.57; Observed mass: 528.1 [M+H] (rt: 0.632 min).
Example 229.
N-(2',4'-difluoro(5-(1-methyl-1H-pyrazolyl)-1H-benzo[d]imidazolyl)-
[1,1'-biphenyl]yl)((3S,5R)-3,5-dimethylpiperazinyl)acetamide
The compound was prepared from the compound of Example 2(a) using the
procedure of Example 226. H NMR (300 MHz, DMSO-d ): δ 8.4 (br s, 1H), 8.14 (m,
1H), 8.01 (s, 1H), 7.92 (s, 1H), 7.86 (s, 1H), 7.83 (m, 1H), 7.72-7.70 (d, 1H), 7.66-7.59
(m, 2H), 7.55 (s, 1H), 7.15-7.11 (m, 2H), 3.94 (s, 3H), 3.37 (s, 2H), 2.269 (m,2H),1.27
(s,3H), 1.25 (s,3H); LC-MS (ESI): Calculated mass: 555.62; Observed mass: 556.2
[M+H] (rt: 0.75 min).
Example 230.
1-(2',4'-difluoro(5-(1-methyl-1H-pyrazolyl)-1H-benzo[d]imidazolyl)-
[1,1'-biphenyl]yl)(furanylmethyl)urea
To a solution of the compound of Example 2(a) (20 mg, 0.049 mmol) in DCM
was added furfuryl isocyanate (7 mg, 0.059 mmol, 1.2 eq.) followed by DIPEA (0.01
ml, 0.0747 mmol, 1.5 eq.). The mixture was stirred overnight and quenched and
extracted as in Example 1(d). The solvent was distilled off to afford the crude residue
which was purified by preparative HPLC to give the product in 92 % yield (24 mg). H
NMR (400 MHz, DMSO-d ): δ 9.07 (s, 1H), 8.95 (brS, 1H), 8.24(s, 1H), 7.99 (s, 1H),
7.97-7.96 (m, 2H), 7.75-7.59 (m, 5H), 7.40 (m, 2H), 7.26(m, 1H), 6.82 (t, 1H), 6.4 (m,
1H), 6.27 (m, 1H), 4.32-4.31 (d, 2H), 3.88 (s,3H); LC-MS (ESI): Calculated mass:
524.52; Observed mass: 525.1 [M+H] (rt: 0.75 min).
Example 231.
N-(2',4'-difluoro(5-(1-methyl-1H-pyrazolyl)-1H-benzo[d]imidazolyl)-
[1,1'-biphenyl]yl)(piperazinyl)acetamide
a) tert-butyl 4-(2-((2',4'-difluoro(5-(1-methyl-1H-pyrazolyl)-1H-benzo[d]-
imidazolyl)-[1,1'-biphenyl]yl)amino)oxoethyl)piperazinecarboxylate
To a solution of the compound of Example 2(a) (100 mg, 0.249 mmol) in DMF
was added 2-(4-(tert-butoxycarbonyl)piperazinyl)acetic acid (121 mg, 0.498 mmol, 2
eq.) followed by HATU (190 mg, 0.498 mmol, 2 eq.) and DIPEA (0.17 ml, 0.996 mmol,
4 eq.). The mixture was stirred for 16 h and quenched and extracted as in Example 1(d).
The solvent was distilled off to give the crude residue which was purified by preparative
HPLC to give the product in 25 % yield (25 mg).
b) N-(2',4'-difluoro(5-(1-methyl-1H-pyrazolyl)-1H-benzo[d]imidazolyl)-
[1,1'-biphenyl]yl)(piperazinyl)acetamide
To a solution of the compound of Example 231(a) (23 mg, 0.038 mmol) in DCM
(1 ml) at 0 C was added TFA (1 ml) and the mixture was stirred at RT overnight. The
solvent was distilled off to afford the crude residue which was recrystallized from
diethyl ether to give the product in 70 % yield (18 mg). H NMR (400 MHz, DMSO-
d6): δ 10.29 (s, 1H), 8.75 (s, 1H), 8.62 (br s, 2H), 8.21 (s, 1H), 8.14 (s, 1H), 8.0 (s, 1H),
7.95 (s, 1H), 7.9(s, 1H),7.75-7.7(m,2H), 7.63-7.58(m,2H), 7.48-7.44(t,1H),7.3-7.26
(t,1H); LC-MS (ESI): Calculated mass: 527.22; Observed mass: 528.1 [M+H] (rt:
0.632 min).
Example 232.
Methyl(2',4'-difluoro(5-(1-methyl-1H-pyrazolyl)-1H-benzo[d]imidazol
yl)-[1,1'-biphenyl]yl)carbamate
To a solution of the compound of Example 2(a) (60 mg, 0.15 mmol) in chloro-
form (5 ml) at 0 C were added methyl chloroformate (14 mg, 0.15 mmol, 1 eq.) and
pyridine (0.024 ml, 0.3 mmol, 2 eq.). The mixture was stirred at RT for 1 h and then
quenched with water and extracted with chloroform (3 × 50 ml). The combined organic
layer was washed with water, brine and dried over sodium sulphate. The solvent was
distilled off to afford the title compound in 37 % yield (25 mg). H NMR (300 MHz,
DMSO-d ): δ 10.13 (s, 1H), 8.63 (s, 1H), 8.20 (s, 1H), 7.98-7.92 (m, 3H), 7.70-7.67 (m,
3H), 7.60 (m, 1H), 7.46 (m, 2H), 7.27 (m, 1H), 3.87 (m, 3H), 3.72 (s, 3H); LC-MS
(ESI): Calculated mass: 459.15; Observed mass: 460.2 [M+H] (rt: 0.94 min).
Example 233.
N-(2', 4’-difluoro(5-(1-methyl-1H-pyrazolyl)-1H-benzo[d]imidazolyl)-
[1, 1’-biphenyl]yl)morpholinoacetamide
The compound was prepared from the compound of Example 2(a) (100 mg,
0.249 mmol) using the procedure of Example 225 and 2-morpholinoacetic acid (54 mg,
0.373, mmol, 1.5 eq.) to give the product in 19 % yield (25 mg). H NMR (300 MHz,
DMSO-d ): δ 10.42 (s, 1H), 8.91(s, 1H), 8.20 (s, 1H), 8.08 (s, 1H), 8.00 (s, 1H), 7.95 (s,
1H), 7.82 (s, 1H), 7.77-7.71 (m, 2H), 7.66-7.64 (m, 2H), 7.46-7.40 (m, 1H), 7.29-7.25
(m, 1H); 4.25 (s,2H), 3.9 (s, 3H), 3.87-3.15 (m, 8H); LC-MS (ESI): Calculated mass:
528.55 Observed mass: 529.3 [M+H] (rt: 0.38 min).
Example 234.
N-(2',4'-difluoro(5-(1-methyl-1H-pyrazolyl)-1H-benzo[d]imidazolyl)-
[1,1'-biphenyl]yl)(piperidinyl)acetamide
The compound was prepared from the compound of Example 2(a) using the
procedure of Example 225. H NMR (400 MHz, DMSO-d ): δ 8.91 (s, 1H), 8.18 (s,
1H), 8.05 (s, 1H), 7.99 (s, 1H), 7.94 (s, 1H), 7.81 (s, 1H), 7.75-7.70 (m, 2H), 7.67-7.63
(m, 2H), 7.42-7.37 (t, 1H), 7.27-7.23(t, 1H), 4.12 (s, 2H), 3.86 (s,3H), 3.50-3.35 (m,
2H), 3.05-2.99 (t, 2H), 1.79-1.68 (m, 5H), 1.40 (s, 1H); LC-MS (ESI): Calculated mass:
526.58; Observed mass: 527.1 [M+H] (rt: 0.36 min).
Example 235.
N-(2', 4’-difluoro(5-(1-methyl-1H-pyrazolyl)-1H-benzo[d]imidazolyl)-
[1, 1’-biphenyl]yl)(pyrrolidinyl) acetamide
The compound was prepared from the compound of Example 2(a) using the
procedure of Example 225. H NMR (400 MHz, DMSO-d ): δ 11.02 (s, 1H), 10.31 (s,
1H), 8.80 (s, 1H), 8.22. (s, 1H), 8.10 (s, 1H), 8.01 (s, 1H), 7.96 (s, 1H), 7.79-7.73 (m,
2H), 7.70 (d, 1H),7.63-7.61 (m, 2H), 7.49-7.47 (t, 1H),7.31-7.29(t,1H),4.34-4.32 (d,2H),
3.88 (s,3H), 3,16 (m,1H), 2.03-1.91 (m,4H); Calculated mass: 512.55; Observed mass:
513.5 [M+H] (rt: 0.28 min).
Example 236.
N-(2', 4’-difluoro(5-(1-methyl-1H-pyrazolyl)-1H-benzo[d]imidazolyl)-
2',3'-dihydro-[1,1'-biphenyl]yl)ethylpiperazinecarboxamide
The compound was prepared from the compound of Example 2(a) using the
procedure of Example 227. NMR (400 MHz, DMSO-D6): δ 9.53 (brs,1H), 9.22(s,1H),
8.75 (s,1H), 8.22 (s,1H), 7.98 (t,2H). 7.77-7.72 (m,3H), 7.63 (dd,1H), 7.49-7.44 (m,2H),
7.283 (dt,1H), 4.35 (d,2H), 3.89 (s,3H), 3.57 (d,3H), 3.24-3.18 (m,3H), 3.07-3.02
(m,2H), 1.26 (t,3H): LC-MS (ESI): Calculated mass: 543.6; Observed mass: 543.2
M+H] (rt: 0.224 min).
Example 237.
N-(2',4'-difluoro(6-(1-methyl-1H-pyrazolyl)-3H-imidazo[4,5-b]pyridin
yl)-[1,1'-biphenyl]yl)(pyrrolidinyl)acetamide
The compound was prepared from the compound of Example 132(a) (100 mg,
0.248 mmol) using the procedure of Example 225 and 2-(pyrrolidinyl)acetic acid (35
mg,0.273 mmol, 1.1 eq) to give the product in 7.08 % yield (9 mg). H NMR (400 MHz,
DMSO- d ): δ 8.89 (s, 1H), 8.6 (s, 1H), 8.29 (s, 2H), 8.10 (s, 1H), 7.93 (s, 1H), 7.85 (s,
1H), 7.78 (s, 1H), 7.67-7.61 (m, 1H), 7.14-7.08 (m, 2H), 4.29 (s, 2H), 3.95 (s, 3H),
3.80(s,2H),3.29(t,2H),2.14(t,4H) ; LC-MS (ESI): Calculated mass: 513.21; Observed
mass: 514.4 [M+H] (rt: 0.27 min).
Example 238.
N-(2',4'-difluoro(6-(1-methyl-1H-pyrazolyl)-3H-imidazo[4,5-b]pyridin
yl)-[1,1'-biphenyl]yl)morpholinoacetamide
The compound was prepared from the compound of Example 132(a) using the
procedure of Example 225. H NMR (400 MHz, DMSO- d ): δ 11.1 (s, 1H), 8.99 (s,
1H), 8.70 (s, 1H), 8.42 (d, 2H), 8.31 (s, 1H), 8.05 (s, 1H), 7.90 (s, 1H), 7.83 (s, 1H),
7.77-7.75 (m, 1H), 7.47 (t, 1H), 7.30 (t, 1H), 4.27 (s,2H), 3.90 (s,3H), 3.82 (t,4H), 2.50
(t,4H); LC-MS (ESI): Calculated mass: 529.20; Observed mass: 530.4 [M+H] (rt: 0.23
min).
Example 239.
N-(2',4'-difluoro(6-(1-methyl-1H-pyrazolyl)-3H-imidazo[4,5-b]pyridin
yl)-[1,1'-biphenyl]yl)(piperidinyl)acetamide
The compound was prepared from the compound of Example 132(a) using the
procedure of Example 225. H NMR (400 MHz, DMSO- d ): δ 11.0 (s, 1H), 9.73 (s,
1H), 8.99 (s, 1H), 8.70 (d, 1H), 8.43 (t, 2H), 8.31 (s, 1H), 8.05 (s, 1H), 7.90 (s, 1H), 7.83
(s, 1H), 7.79-7.73 (m, 1H), 7.49-7.44 (m, 1H), 7.30 (t, 1H), 4.20 (s,2H), 3.90 (s,3H),
3.37 (t,4H), 1.80-1.69 (m,6H); LC-MS (ESI): Calculated mass: 527.57;Observed mass:
528.6 [M+H] (rt: 0.32 min).
Example 240.
N-(2', 4’-difluoro(6-(1-methyl-1H-pyrazolyl)-3H-imidazo [4, 5-b] pyridin-
3-yl)-[1, 1’-biphenyl]yl) piperidinecarboxamide
a) tert-butyl 4-((2', 4’-difluoro(6-(1-methyl-1H-pyrazolyl)-3H-imidazo [4,
-b] pyridinyl)-[1, 1’-biphenyl]yl) carbamoyl) piperidinecarboxylate
The compound was prepared from the compound of Example 132(a) (100 mg,
0.248 mmol) using the procedure of Example 225 and 1-(tert-butoxycarbonyl)piperidi-
necarboxylic acid (56 mg, 0.248 mmol, 2 eq) to give the product in 26.3 % yield (40
mg). LC-MS (ESI): Calculated mass: 513.21; Observed mass: 514.4 [M+H] (rt: 0.68
min).
b) N-(2', 4’-difluoro(6-(1-methyl-1H-pyrazolyl)-3H-imidazo [4, 5-b]
pyridinyl)-[1, 1’-biphenyl]yl) piperidinecarboxamide
To a solution of the compound of Example 240(a) (30 mg,0.0489 mmol) in
DCM was added TFA (1 ml) and stirred at RT for 16 h. The mixture was concentrated
to give the product in 98 % yield (25 mg). H NMR (400 MHz, DMSO- d ): δ 10.50 (s,
1H), 8.94 (s, 1H), 8.72-8.66 (m, 2H), 8.40-8.35 (m, 3H), 8.29 (s, 1H), 8.03 (s, 1H), 7.90-
7.89 (d, 1H), 7.73-7.67 (m, 2H), 7.46-7.41 (m, 1H), 7.28-7.23 (m, 1H), 3.88 (s, 3H),
3.37-3.34 (d, 2H), 2.99-2.90 (m,2H), 2.73-2.68 (m,1H), 2.01-1.98 (d,2H), 1.85-1.77
(m,2H); LC-MS (ESI): Calculated mass: 513.21; Observed mass: 514.4 [M+H] (rt:
0.68 min).
Example 241.
N-(2', 4’-difluoro(5-(1-methyl-1H-pyrazolyl)-1H-benzo[d]imidazolyl)-
[1, 1’-biphenyl]yl)(1H-1, 2, 4-triazolyl) acetamide
The compound was prepared from the compound of Example 132(a) using the
procedure of Example 225. H NMR (400 MHz, DMSO- d ): δ 10.9 (s, 1H), 9.0 (s,
1H), 8.73(s, 1H), 8.6 (s, 1H), 8.3 (s, 1H), 8.4 (d, 1H), 8.03 (d, 1H), 7.87 (s, 1H), 7.75
(m, 1H), 7.48 (m, 1H), 7.29 (m, 1H), 5.23 (s, 1H), 3.95 (s, 3H), ; LC-MS (ESI):
Calculated mass: 511.49; Observed mass: 512.1 [M+H] (rt: 1.01min).
Example 242.
N-(2', 4’-difluoro(6-(1-methyl-1H-pyrazolyl)-3H-imidazo [4, 5-b] pyridin-
3-yl)-[1, 1’-biphenyl]yl)-3, 5-dimethylpiperazinecarboxamide
To a solution of the compound of Example 132(a) (100 mg,0.248 mmol) in
DCM was added 20 % phosgene (73.4 mg, 0.748 mmol, 3eq) followed by 1-ethylpipe-
razine (28.3 mg, 0.248 mmol, 1 eq.). The mixture was stirred for 16 h and quenched
and extracted as in Example 2(b). The solvent was distilled off to afford the crude
residue which was purified by preparative HPLC to give the product in 5.9 % yield (8
mg). H NMR (400 MHz, DMSO- d ): δ 9.13 (s, 2H), 8.90 (1, 1H), 8.70-8.69 (d, 1H),
8.40-8.39(d, 1H), 8.29(s, 1H), 8.18 (t, 1H), 8.03 (s, 1H), 7.74-7.63 (m, 3H), 7.46-7.40
(m, 1H), 7.28-7.22 (m 1H), 4.32-4.29 (d, 2H), 3.88 (s, 3H), 3.34 (m,2H), 2.80 (t,2H),
1.24 (s,3H), 1.22 (s,3H); LC-MS (ESI): Calculated mass: 542.24; Observed mass: 543.3
[M+H] (rt: 0.67 min).
Example 243.
N-(2', 4’-difluoro(5-(1-methyl-1H-pyrazolyl)-1H-benzo[d]imidazolyl)-
[1, 1’-biphenyl]yl) acryl amide
To a solution of the compound of Example 132(a) (60 mg, 0.1492 mmol) in
DCM was added TEA (30 mg, 0.298 mmol, 2.0 eq) followed by acryloyl chloride (16.1
mg, 0.179 mmol, 1.2 eq). The mixture was stirred for 4 h and quenched and extracted
as in Example 2(b). The solvent was distilled off to afford the crude residue which was
purified by preparative HPLC to give the product in 41 % yield (28 mg). H NMR (400
MHz, DMSO- d ): δ 10.7 (s, 1H), 8.97 (s, 1H), 8.754 (d, 1H), 8.44 (t, 1H), 8.33 (s, 1H),
8.069 (d, 2H), 7.79-7.75 (m, 2H), 7.48 (t, 1H), 7.30 (t, 1H), 6.55-6.51 (m, 1H), 6.32 (d,
1H), 5.84 (d, 1H), 3.92 (s,3H); LC-MS (ESI): Calculated mass: 456.15; Observed mass:
457.1 [M+H] (rt: 1.456 min).
Example 244.
N-cyclopropyl-N'-(2',4’-difluoro(6-(1-methyl-1H-pyrazolyl)-3H-imidazo
[4,5-b] pyridinyl)-[1,1’-biphenyl]yl)-sulfuric diamide
To a solution of the compound of Example 132(a) (60 mg,0.149 mmol) in
pyridine was added N-cyclopropyloxooxazolidinesulfonamide (49 mg, 0.238
mmol, 1.6 eq). The mixture was stirred at 50 °C for 16 h, and quenched and extracted as
in Example 1(d). The solvent was distilled off to afford the crude residue which was
purified by preparative HPLC to give the product in 19.4 % yield (15 mg). H NMR
(400 MHz, CD OD): δ 8.89 (s, 1H), 8.71 (s, 1H), 8.32 (s, 1H), 8.14(s, 1H), 7.96 (s, 1H),
7.77(t, 1H), 7.71 (d, 1H), 7.71-7.63 (m, 1H), 7.47 (t, 1H), 7.15-7.09 (m, 2H), 3.98 (s,
3H), 2.48-2.44 (m, 1H), 0.65-0.55 (m,4H); LC-MS (ESI): Calculated mass: 521.14;
Observed mass: 522.1 [M+H] (rt: 1.480 min).
Example 245.
N-(2',4’-difluoro(6-(1-methyl-1H-pyrazolyl)-3H-imidazo[4,5-b] pyridin
yl)-[1,1’-biphenyl]yl)-N'-(furanylmethyl)sulfuric diamide
To a solution of the compound of Example 132(a) (100 mg, 0.248 mmol) in
pyridine was added N-(furanylmethyl)oxooxazolidinesulfonamide (97 mg,
0.398 mmol, 1.6 eq). The mixture was stirred at 50 °C for 16 h, and quenched and
extracted as in Example 1(d). The solvent was distilled off to afford the crude residue
which was purified by preparative HPLC to give the product in 18 % yield (25 mg). H
NMR (400 MHz, DMSO- d ): δ 10.24 (s, 1H), 8.89 (s, 1H), 8.70 (d, 1H), 8.40 (d, 1H),
8.31-8.28 (m, 2H), 8.03 (d, 1H), 7.71-7.64 (m, 3H), 7.46-7.43 (m, 2H), 7.32 (d, 1H),
7.29-7.24 (m, 1H), 6.28-6.27 (m, 1H), 6.23 (d 1H), 4.10-4.09 (d,2H), 3.88 (s,3H); LC-
MS (ESI): Calculated mass: 561.14; Observed mass: 562.1 [M+H] (rt: 1.513 min).
Example 246.
N-(5-(6-(2-aminopyridinyl)-3H-imidazo[4,5-b]pyridinyl)-2',4'-difluoro-
[1,1'-biphenyl]yl)acetamide
a) tert-butyl (4-(3-(5-acetamido-2',4'-difluoro-[1,1'-biphenyl]yl)-3H-imidazo-
[4,5-b]pyridinyl)pyridinyl)carbamate
The compound was prepared from compound of Example 131(c) using the
procedure of Example 131(d).
b) N-(5-(6-(2-aminopyridinyl)-3H-imidazo [4, 5-b] pyridinyl)-2', 4’-di-
fluoro-[1, 1’-biphenyl]yl) acetamide
To a solution of the compound of Example 246(a) (0.2 g, 0.359 mmol) in DCM
(5 ml) was added (1.2 ml) of TFA at 0°C. The mixture was stirred at RT for 16 h. The
mixture was concentrated on vacuo, quenched with sodiumbicarbonate and extracted as
in Example 1(d). The solvent was distilled off to afford the product in 17.7 % yield
(0.29 g). H NMR (400 MHz, DMSO-d ): δ 10.41 (s, 1H), 9.09 (s, 1H), 8.87 (d, 1H),
8.70-8.69. (d, 2H), 8.34 (s, 1H), 8.10-8.08 (d, 1H), 8.12 (s, 1H), 7.86 (s, 1H), 7.71 (m,
2H),7.52 (m, 1H), 7.41-7.39 (d, 1H), 7.31 (m,2H), 2.12 (s,3H); Calculated mass:
456.48; Observed mass: 457.3 [M+H] (rt: 0.19 min).
Example 247.
N-(2',4'-difluoro(6-(thiazolyl)-3H-imidazo[4,5-b]pyridinyl)-[1,1'-bi-
phenyl]yl)acetamide
The compound was prepared from the compound of Example 131(c) (100 mg,
0.225 mmol) in THF (6 ml) using the procedure of Example 200(c) and thiazolylzinc
(II) bromide (155m g, 0.677 mmol, 3.0 eq.) to give the product in 25 % yield (25 mg).
H NMR (400 MHz, DMSO-D6): δ 10.42 (s,1H), 9.08 (d,2H), 8.72 (d,1H), 8.30 (s,1H),
8.01 (d,1H), 7.93 (s,1H), 7.90 (d,1H), 7.75-7.72 (m,2H), 7.46 (t,1H), 7.28 (t,1H), 2.13
(s,3H); LC-MS (ESI): Calculated mass: 447.46; Observed mass: 448.0 [M+H]
Example 248.
N-(5-(6-(6-aminopyridinyl)-3H-imidazo[4,5-b]pyridinyl)-2',4'-difluoro-
[1,1'-biphenyl]yl)acetamide
The compound was prepared from the compound of Example 131(c) using the
procedure of Example 246. H NMR (300 MHz, DMSO-d ): δ 10.43 (s, 1H), 9.02 (s,
1H), 8.76 (d, 1H), 8.55 (d, 1H), 8.44-8.34 (m, 3H), 8.04 (br s, 2H), 7.84 (s, 1H), 7.75-
7.67 (m, 2H), 7.49-7.42 (m, 1H), 7.30-7.25 (m, 1H), 7.10-7.07 (m, 1H), 2.12 (s, 3H);
LC-MS (ESI): Calculated mass: 456.15; Observed mass: 457.2 [M+H] (rt: 0.20 min).
Example 249.
N-(5-(5-(4-aminophenyl)-1H-benzo[d]imidazolyl)-2',4'-difluoro-[1,1'-bi-
phenyl]yl)acetamide
The compound was prepared from the compound of Example 131(c) using the
procedure of Example 246. H NMR (300 MHz, DMSO-d ): δ 10.41 (s, 1H), 8.98 (s,
1H), 8.68 (s, 1H), 8.37 (s, 1H), 8.31 (s, 1H), 7.89 (s, 1H), 7.71-7.68 (m, 1H), 7.62-7.59
(m, 2H), 7.48-7.42 (m, 1H), 7.29-7.24 (m, 2H), 7.12 (s, 1H), 6.95-6.90 (m, 3H), 2.12 (s,
3H); LC-MS (ESI): Calculated mass: 455.16; Observed mass: 456.3 [M+H] (rt: 0.78
min).
Example 250.
N-(5-(5-(2-aminopyridinyl)-1H-benzo[d]imidazolyl)-2',4'-difluoro-[1,1'-
biphenyl]yl)acetamide
The compound was prepared from the compound of Example 1(h) using the
procedure of Example 246 to afford the product in 97.6 % yield (0.40 g). H NMR (400
MHz CD OD): 8.68 (s, 1H), 8.21-8.20 (d, 2H7.91-7.88. (t, 2H), 7.84-7.81 (dd, 1H),
7.70-7.68 (d, 1H), 7.66-7.64 (m, 1H), 7.54 (d, 1H), 7.34-7.30 (m, 2H), 7.15-7.10 (m,
2H), 3.33 (s, 1H), 2.19 (s,3H); Calculated mass: 455.46; Observed mass: 456.3 [M+H]
(rt: 0.29 min).
Example 251.
N-(2',4'-difluoro(5-(thiazolyl)-1H-benzo[d]imidazolyl)-[1,1'-biphenyl]-
3-yl)acetamide
The compound was prepared from the compound of Example 1(h) (200 mg,
0.452 mmol) in THF (6 ml) using the method of Example 200(c) and thiazolyl-
zinc(II) bromide (310 mg, 1.35 mmol, 3.0 eq) to give the product in 25 % yield (50 mg).
Example 252.
N-(5-(5-(6-aminopyridinyl)-1H-benzo[d]imidazolyl)-2',4'-difluoro-[1,1'-
biphenyl]yl)acetamide
The compound was prepared from the compound of Example 1(h) using the
method of Example 1(i). H NMR (300 MHz, CD OD): δ 8.25 (d, 1H), 8.08 (s, 2H),
7.96 (s, 1H), 7.82 (s, 1H), 7.59-7.51 (m, 3H), 7.42 (s, 1H), 7.05-6.99 (m, 4H), 2.1 (s,
3H); LC-MS (ESI): Calculated mass: 455.16; Observed mass: 456.1 [M+H] (rt: 0.21
min).
Example 253.
N-(5-(5-(3-aminomethyl-1H-pyrazolyl)-1H-benzo[d]imidazolyl)-2',4'-
difluoro-[1,1'-biphenyl]yl)acetamide
a) tert-butyl (4-(1-(5-acetamido-2',4'-difluoro-[1,1'-biphenyl]yl)-1H-benzo[d]-
imidazolyl)methyl-1H-pyrazolyl)carbamate
The compound was prepared from the compound of Example 1(h) using the
procedure mentioned in Example 1(i).
b) N-(5-(5-(3-aminomethyl-1H-pyrazolyl)-1H-benzo[d]imidazolyl)-2',4'-
difluoro-[1,1'-biphenyl]yl)acetamide
To a solution of the compound of Example 253(a) (15 mg,0.02 mmol) in DCM
was added TFA (1 ml). The mixture was stirred at RT for 16 h and concentrated to give
the product in 50.4 % yield (6 mg). H NMR (400 MHz, CD OD): δ 8.49(s, 1H), 8.11-
8.10 (d, 1H), 7.86 (s, 1H), 7.73-7.60 (m, 4H), 7.53-7.49 (m, 2H), 7.16-7.09 (m, 2H),
3.76 (s, 3H), 2.20 (s, 3H), 1.97 (s, 2H). LC-MS (ESI): Calculated mass: 458.46;
Observed mass: 459.0 [M+H] (rt: 0.43 min).
Example 254.
N-(5-(5-(2-aminothiazolyl)-1H-benzo[d]imidazolyl)-2',4'-difluoro-[1,1'-
biphenyl]yl)acetamide
To a solution of N-(5-(5-(2-bromoacetyl)-1H-benzo[d]imidazolyl)-2',4'-di-
fluoro-[1,1'-biphenyl]yl)acetamide (100 mg, 0.20 mmol) in ethanol was added thio-
urea (20 mg, 0.30 mmol, 1.5 eq). The mixture was stirred at 60 °C for 3 h. The mixture
was quenched and extracted as in Example 1(d). The solvent was distilled off to give the
crude residue which was purified by preparative HPLC to give the product in 14.7 %
yield (14 mg). H NMR (300 MHz, CD OD): δ 8.73 (s, 1H), 8.11 (s, 1H), 8.01 (s, 1H),
7.73-7.69 (m, 2H), 7.62-7.50 (m, 2H), 7.45 (d, 1H), 7.10-6.99 (m, 3H),2.10 (s, 3H); LC-
MS (ESI): Calculated mass: 461.4; Observed mass: 462.1 [M+H] (rt: 0.80 min).
Example 255.
N-(5-(5-(2-aminopyrimidinyl)-1H-benzo[d]imidazolyl)-2',4'-difluoro-[1,1'-
biphenyl]yl)acetamide
The compound was prepared from the compound of Example 1(h) using the
procedure of Example 246. H NMR (300 MHz, CD OD): δ 8.84 (s, 1H), 8.70 (s, 1H),
8.18 (s, 1H), 7.99 (s, 1H), 7.86-7.83 (m, 1H), 7.72-7.61 (m, 3H), 7.53 (d, 1H), 7.13-7.01
(m, 2H), 2.13 (s, 3H); LC-MS (ESI): Calculated mass: 456.4; Observed mass: 457.1
[M+H] (rt: 0.56 min).
Example 256.
N-(5-(5-(1H-pyrazolyl)-1H-benzo[d]imidazolyl)-2',4'-difluoro-[1,1'-bi-
phenyl]yl)methylpiperidinecarboxamide
The compound was prepared from the compound of Example 29(a) (50 mg,
0.128 mmol) using the procedure of Example 225 using 1-methylpiperidinecarboxylic
acid (22 mg, 0.154 mmol, 1.2 eq.) to give the product in 30 % yield (20 mg). H NMR
(300 MHz, CD OD): δ 8.59 (s, 1H), 8.27 (d, 1H), 8.15-8.14 (t, 1H), 8.11 (m, 1H), 7.82-
7.75 (m, 4H), 7.66-7.56 (m,1H), 7.56 (m,1H), 7.13-7.11 (m,1H), 6.56 (t,1H), 3.53-3.47
(m,2H), 3.0 (m,2H), 2.82 (s,3H), 2.7 (m,1H), 2.14-2.0 (m,4H). LC-MS (ESI):
Calculated mass: 512.55; Observed mass: 513.1 [M+H] (rt: 1.245 min).
Example 257.
N-(5-(5-(1H-pyrazolyl)-1H-benzo[d]imidazolyl)-2', 4’-difluoro-[1, 1’-bi-
phenyl]yl)(4-methylpiperazinyl) acetamide
The compound was prepared from the compound of Example 29(a) using the
procedure of Example 225. H NMR (400 MHz, DMSO-d ): δ 10.12 (s, 1H), 8.73 (s,
1H), 8.58 (d, 1H), 8.22 (d, 1H), 8.13(t, 1H), 7.95-7.9 (m, 2H), 7.82-7.71(m, 3H), 7.55 (s,
1H), 7.47-7.41(m, 1H), 7.28-7.23(dt, 1H), 6.55-6.54(m, 1H), 3.45(s,2H), 3.17(s, 3H),
2.48-2.32 (m, 8H); LC-MS (ESI): Calculated mass: 527.57; Observed mass: 528.2
[M+H] (rt: 0.36 min).
Example 258.
N-(5-(5-(1H-pyrazolyl)-1H-benzo[d]imidazolyl)-2',4'-difluoro-[1,1'-bi-
phenyl]yl)(1H-1,2,4-triazolyl)acetamide
The compound was prepared from the compound of Example 29(a) using the
procedure of Example 225. H NMR (400 MHz, DMSO-d ): δ 11.2 (s, 1H), 8.75 (s,
1H), 8.57 (s, 1H), 8.22 (d, 1H), 8.07(t, 1H), 8.0 (s, 1H), 7.92-7.85(m, 2H), 7.8-7.73(m,
3H), 7.59(s, 1H), 7.47-7.41(dt, 1H), 7.28-7.23(dt, 1H), 6.54(m,1H), 5.24(s, 2H) : LC-
MS (ESI): Calculated mass: 496.47; Observed mass: 497.0 [M+H] (rt: 0.17min).
Example 259.
N-(5-(5-(1H-pyrazolyl)-1H-benzo[d]imidazolyl)-2',4'-difluoro-[1,1'-bi-
phenyl]yl)(piperidinyl)acetamide
The compound was prepared from the compound of Example 29(a) using the
procedure of Example 225 and 2-(piperidinyl) acetic acid (41 mg, 0.290 mmol,
1.5eq.) to give the product in 10.1 % yield (10 mg). H NMR (400 MHz, DMSO-d ): δ
10.11 (s, 1H), 8.75 (s, 1H), 8.60 (d, 1H), 8.24-8.21 (d, 1H), 8.15 (s, 1H), 7.98 (s, 1H),
7.94-7.92 (dd, 1H), 7.84-7.82 (d, 1H), 7.79-7.77(m, 2H), 7.56 (s, 1H), 7.49-7.43 (t,
1H),6.57-6.56 (t, 1H),3.14(s,2H); 2.67(s,1H); 2.33 (s,1H); 1.90 (s,1H); 1.60-1.59 (t,
5H); 1.40 (s,2H) LC-MS (ESI): Calculated mass: 512.55; Observed mass: 513.2[M+H]
(rt: 0.3 min).
Example 260.
N-(5-(5-(1H-pyrazolyl)-1H-benzo[d]imidazolyl)-2',4'-difluoro-[1,1'-bi-
phenyl]yl)(pyrrolidinyl)acetamide
The compound was prepared from the compound of Example 29(a) using the
procedure of Example 225. H NMR (600 MHz, CD OD): δ 8.62 (s, 1H), 8.29-8.28 (d,
1H), 8.17-8.16 (t, 1H), 8.12 (s, 1H), 7.85-7.83 (dd, 3H), 7.77-7.76 (d, 1H), 7.68-7.67 (m,
1H), 7.59 (s, 1H), 7.15-7.12 (m, 2H), 6.58-6.57 (t, 1H), 3.73 (s, 2H); 3.02 (t,4H); 2.00-
1.94 (m,7H); LC-MS (ESI): Calculated mass: 498.53, Observed mass: 499.6 [M+H]
(rt: 0.6 min).
Example 261.
N-(2',4'-difluoro(5-(1-methyl-1H-pyrazolyl)-1H-benzo[d]imidazolyl)-
[1,1'-biphenyl]yl)ethylpiperidinecarboxamide
The compound was prepared from the compound of Example 2(a) using the
procedure of Example 225. H NMR (300 MHz, DMSO): δ 10.6 (d, 1H), 9.50 (s, 1H),
8.79 (d, 1H), 8.22(s, 1H), 8.10 (s, 1H), 8.00-7.96 (d, 2H), 7.80-7.70 (m, 3H), 7.64-7.59
(m, 1H), 7.46 (m, 1H), 7.28 (m, 1H), 3.81 (s, 3H), 3.60-3.56 (d, 3H), 3.43-3.37 (m, 1H),
3.14-3.04 (d, 2H),3.0-2.89 (t, 2H), 2.13 (d, 1H), 2.00-1.95 (d, 1H), 1.73-1.69 (d, 1H),
1.55 (d, 1H); LC-MS (ESI): Calculated mass: 540.6; Observed mass: 541.2 [M+H] (rt:
0.22 min).
Example 262.
N-(2',4'-difluoro(5-(1-methyl-1H-pyrazolyl)-1H-benzo[d]imidazolyl)-
[1,1'-biphenyl]yl)methylpiperidinecarboxamide
The compound was prepared from the compound of Example 2(a) using the
procedure of Example 255. H NMR (300 MHz, DMSO): δ 10.6 (d, 1H), 9.50 (s, 1H),
8.79 (d, 1H), 8.22(s, 1H), 8.10 (s, 1H), 8.00-7.96 (d, 2H), 7.80-7.70 (m, 3H), 7.64-7.59
(m, 1H), 7.46 (m, 1H), 7.28 (m, 1H), 3.81 (s, 3H), 3.60-3.56 (d, 3H), 3.43-3.37 (m, 1H),
3.14-3.04 (d, 2H),3.0-2.89 (t, 2H), 2.13 (d, 1H), 2.00-1.95 (d, 1H), 1.73-1.69 (d, 1H),
1.55 (d, 1H); LC-MS (ESI): Calculated mass: 526.58; Observed mass: 527.2 [M+H]
(rt: 0.15 min).
Example 263.
N-(2',4'-difluoro(5-(1-(tetrahydro-2H-pyranyl)-1H-1,2,3-triazolyl)-1H-
benzo[d]imidazolyl)-[1,1'-biphenyl]yl)acetamide
A mixture the compound of Example 17(e) (250 mg, 0.644 mmol), 4-azido-
tetrahydro-2H-pyran (90 mg, 0.77 mmol, 1.2 eq.), copper iodide (12 mg, 0.06 mmol, 0.1
eq.) in DMF was stirred at 90 °C for 16 h. The mixture was quenched with water and
the precipitate formed was filtered and dried to give the crude product which was
purified by preparative HPLC to give the product in 45 % yield (150 mg). H NMR (300
MHz, DMSO): δ 10.4 (s,1H) 8.77 (s, 1H), 8.69 (s, 1H), 8.25 (s, 1H), 8.06 (d, 1H), 7.94-
7.90 (m, 1H), 7.83-7.76 (m,3H), 7.53 (s,1H), 7.40-7.52 (m, 1H), 7.34-7.22 (m, 1H), 4.80
(m, 1H), 4.02 (m, 2H), 3.50-3.52 (m, 2H), 2.10 (s,3H), 2.0-2.12 (m,4H); LC-MS (ESI):
Calculated mass: 514.5; Observed mass: 514.8 [M+H] (rt: 1.32 min).
Example 264.
N-(5-(5-(1H-1,2,3-triazolyl)-1H-benzo[d]imidazolyl)-2',4'-difluoro-[1,1'-
biphenyl]yl)acetamide
A mixture of the compound of Example 17(e) (300 mg, 0.77 mmol), sodium
azide (150 mg, 2.32 mmol, 3.0 eq.), copper iodide (14 mg, 0.07 mmol, 0.1 eq.) in DMF
was stirred for 16 h at RT. The mixture was quenched with water and the precipitate
formed was filtered and dried to give the crude product which was purified by
preparative HPLC to give the product in 64.3 % yield (200 mg). H NMR (300 MHz,
DMSO): δ 10.4 (s,1H) 8.80 (s, 1H), 8.40 (s, 1H), 8.32 (s, 1H), 8.11 (s, 1H), 7.97-7.94
(d, 1H), 7.85-7.76 (m,3H), 7.56 (d,1H), 7.47 (m, 1H), 7.30 (m, 1H), 2.10 (s, 3H); LC-
MS (ESI): Calculated mass: 430.4; Observed mass: 431.2 [M+H] (rt: 0.69 min).
Example 265.
N-(5-(5-(1-(cyclopropylmethyl)-1H-1,2,3-triazolyl)-1H-benzo[d]imidazol
yl)-2',4'-difluoro-[1,1'-biphenyl]yl)acetamide
A mixture of the compound of Example 17(e) (100 mg, 0.25 mmol), sodium
azide (25mg, 0.387 mmol, 1.5 eq.), (bromomethyl)cyclopropane (41 mg, 0.310 mmol,
1.2 eq.), copper iodide (5 mg, 0.025 mmol, 0.1 eq.) in DMF was stirred for 16 h at RT.
The mixture was quenched with water and the precipitate formed was filtered and dried
to give the crude product which was purified by preparative HPLC to give the product in
80.6 % yield (100 mg). H NMR (300 MHz, CD OD): δ 10.4 (s,1H) 8.68 (d, 1H), 8.05
(s, 1H), 7.90-7.88 (m, 2H), 7.81-7.69 (m, 3H), 7.51-7.39 (m, 3H), 7.28-7.22 (m, 1H),
4.25 (d,2H), 2.10 (s, 3H), 1.34 (m, 1H), 0.63-0.56 (2H,d), 0.50-0.46 (2H,d); LC-MS
(ESI): Calculated mass: 484.5; Observed mass: 484.8 [M+H] (rt: 1.42 min).
Example 266.
N-(2',4'-difluoro(5-(1-(tetrahydro-2H-pyranyl)-1H-1,2,3-triazolyl)-1H-
benzo[d]imidazolyl)-[1,1'-biphenyl]yl)ethanesulfonamide
To a solution of 2',4'-difluoro(5-(1-(tetrahydro-2H-pyranyl)-1H-1,2,3-tri-
azolyl)-1H-benzo[d]imidazolyl)-[1,1'-biphenyl]amine (60 mg, 0.126 mmol) in
DCM was added pyridine (19 mg, 2.52 mmol, 2.0 eq.) followed by ethanesulfonyl
chloride (19 mg, 0.152 mmol, 1.2 eq). After completion of the reaction the solvent was
distilled off and the crude product was purified by preparative HPLC to give the product
in 42 % yield (30 mg). H NMR (300 MHz, CD OD): δ 8.92 (s, 1H), 8.3 (d, 1H), 8.06
(s, 1H), 8.0 (s, 1H), 7.95 (s, 1H), 7.88 (s, 1H), 7.77-7.69 (m, 5H), 7.45 (m, 1H), 6.56 (m,
1H), 3.92 (s, 3H), 3.28-3.27 (m, 4H), 1.6-1.49 (m, 6H); LC-MS (ESI): Calculated mass:
564.6; Observed mass: 565.4 [M+H] (rt: 1.46 min).
Example 267.
N-(5-(5-(1H-1,2,3-triazolyl)-1H-benzo[d]imidazolyl)-2',4'-difluoro-[1,1'-
biphenyl]yl)ethanesulfonamide
To a solution of 5-(6-(1H-1,2,3-triazolyl)-3H-imidazo[4,5-b]pyridinyl)-
2',4'-difluoro-[1,1'-biphenyl]amine (70 mg, 0.18 mmol) in DCM was added pyridine
(42 mg, 0.54 mmol, 3.0 eq.) followed by ethanesulfonyl chloride (27 mg, 0.216 mmol,
1.2 eq.). The reaction was monitored by LCMS. After completion of the reaction the
solvent was distilled off and the crude product was purified by preparative HPLC to give
the product in 2.3 % yield (2 mg).
Example 268.
N-(5-(6-(1-(cyclopropylmethyl)-1H-1,2,3-triazolyl)-3H-imidazo[4,5-b]-
pyridinyl)-2',4'-difluoro-[1,1'-biphenyl]yl)acetamide
A mixture N-(5-(6-ethynyl-3H-imidazo[4,5-b]pyridinyl)-2',4'-difluoro-[1,1'-
biphenyl]yl)acetamide (300 mg, 0.77 mmol), sodium azide (76 mg, 1.15 mmol, 1.5
eq.), (bromomethyl)cyclopropane (125 mg, 0.92 mmol, 1.2 eq.), copper iodide (14 mg,
0.07 mmol, 0.1 eq.) in DMF was stirred for 16 h at RT. The mixture was quenched with
water and the precipitate formed was filtered and dried to give the crude product which
was purified by preparative HPLC to give the product in 82.6 % yield (310 mg). H
NMR (300 MHz, DMSO): δ 10.4 (s,1H) 8.99 (d, 2H), 8.80 (s, 1H), 8.63 (d, 1H), 8.30
(s, 1H), 7.91 (d, 1H),7.76-7.68 (m, 2H), 7.49-7.41 (m, 1H), 7.30-7.25 (m, 1H), 4.21
(m,2H), 2.12 (s, 3H), 1.23 (m, 1H), 0.63-0.60 (2H,d) 0.50-0.48 (2H,d) ; LC-MS (ESI):
Calculated mass: 485.4; Observed mass: 486.1 [M+H] (rt: 1.52 min).
Example 269.
N-(2',4'-difluoro(6-(1-(tetrahydro-2H-pyranyl)-1H-1,2,3-triazolyl)-3H-
imidazo[4,5-b]pyridinyl)-[1,1'-biphenyl]yl)acetamide
A mixture N-(5-(6-ethynyl-3H-imidazo[4,5-b]pyridinyl)-2',4'-difluoro-[1,1'-
biphenyl]yl)acetamide (250 mg, 0.644 mmol), 4-azidotetrahydro-2H-pyran (90 mg,
0.77 mmol, 1.2 eq.), copper iodide (12 mg, 0.06 mmol, 0.1 eq.) in DMF was stirred at
90 °C for 16 h. The mixture was quenched with water and the precipitate formed was
filtered and dried to give the crude product which was purified by preparative HPLC to
give the product in 45 % yield (150 mg). H NMR (300 MHz, DMSO): δ 10.4 (s,1H),
8.99-8.97 (m,2H), 8.88 (s, 1H), 8.61-8.60 (m,1H), 8.32-8.29 (m, 1H), 7.91 (d, 1H),
7.76-7.68 (m, 2H), 7.48-7.41 (m,1H), 7.3-7.24 (m,1H), 4.80 (m, 1H), 4.02 (m, 2H),
3.50-3.60 (m, 2H), 2.10 (s,3H), 2.0-2.12 (m,4H); LC-MS (ESI): Calculated mass: 515.5;
Observed mass: 516.5 [M+H] (rt: 1.37 min).
Example 270.
Ethyl 2-(4-(3-(5-acetamido-2', 4’-difluoro-[1,1'-biphenyl]yl)-3H-imidazo[4,5-
b]pyridinyl)-1H-1,2,3-triazolyl)acetate
A mixture of N-(5-(5-ethynyl-1H-benzo[d]imidazolyl)-2',4'-difluorobiphenyl-
3-yl)acetamide (200 mg, 0.51 mmol), sodium azide (90 mg, 1.5 mmol, 3.0 eq.), ethyl 2-
bromoacetate (100 mg, 0.61 mmol, 1.2 eq.), sodium ascorbate (100 mg, 0.51 mmol, 1.0
eq.) and copper sulfate pentahydrate (45.9 mg, 0.255 mmol, 0.5 eq.) in DMSO, THF
and water (1:1:1, 3 ml) was stirred for 12 h at RT. The mixture was quenched with
water and the precipitate formed was filtered and dried to give the crude product which
was purified by preparative HPLC to give the product in 76 % yield (200 mg). H NMR
(300 MHz, DMSO): δ 10.4 (s,1H) 9.02-8.99 (d, 2H), 8.75 (s, 1H), 8.64 (d, 1H), 8.29 (s,
1H), 7.92 (d, 1H),7.71-7.70(m, 2H), 7.50-7.40 (m,1H), 7.27 (m, 1H), 5.55(s, 2H), 4.22
(q,2H), 2.10 (s, 3H), 1.24 (t, 3H); LC-MS (ESI): Calculated mass: 517.45; Observed
mass: 517.8 [M+H] (rt: 1.47 min).
Example 271.
2-(4-(3-(5-acetamido-2', 4’-difluoro-[1, 1’-biphenyl]yl)-3H-imidazo [4, 5-b]
pyridinyl)-1H-1, 2, 3-triazolyl) acetamide
To a mixture of the compound of Example 270 (100 mg, 0.19 mmol) in
methanol was added methonalic ammonia at 0 °C and the mixture was stirred at RT for
16 h. The mixture was distilled completely and the crude product was purified by
preparative HPLC to give the product in 13 % yield (12 mg). δ 10.5 (s,1H) 9.14-8.97 (d,
2H), 8.82 (s, 1H), 8.76 (d, 1H), 8.35 (s, 1H), 7.89 (d, 1H),7.81-7.80(m, 2H), 7.65-7.55
(m, 1H) , 7.27 (m, 1H), 5.55(s, 2H), 2.8(s,2H),2.10 (s, 3H); LC-MS (ESI): Calculated
mass: 515.5; Observed mass: 516.5 [M+H] (rt: 1.37 min).
Example 272.
N-(5-(6-(1H-1,2,3-triazolyl)-3H-imidazo[4,5-b]pyridinyl)-2',4'-difluoro-
[1,1'-biphenyl]yl)acetamide
A mixture N-(5-(6-ethynyl-3H-imidazo[4,5-b]pyridinyl)-2',4'-difluoro-[1,1'-
biphenyl]yl)acetamide (300 mg, 0.77 mmol), sodium azide (75 mg, 1.15 mmol, 1.5
eq.), copper iodide (14 mg, 0.07 mmol, 0.1 eq.) in DMF was stirred for 16 h at RT. The
mixture was quenched with water and the precipitate formed was filtered and dried to
give the crude product which was purified by preparative HPLC to give the product in
90 % yield (300 mg).
Example 273.
N-(5-(6-(1H-1,2,3-triazolyl)-3H-imidazo[4,5-b]pyridinyl)-2',4'-difluoro-
[1,1'-biphenyl]yl)ethanesulfonamide
To a solution of 5-(6-(1H-1,2,3-triazolyl)-3H-imidazo[4,5-b]pyridinyl)-
2',4'-difluoro-[1,1'-biphenyl]amine (70 mg, 0.179 mmol) in DCM was added pyridine
(42 mg, 0.53mmol, 3.0 eq.) followed by ethanesulfonyl chloride (20 mg, 0.179 mmol,
1.0 eq.). The reaction was monitored by LCMS. After completion of the reaction the
solvent was distilled off and the crude product was purified by preparative HPLC to give
the product in 9.3 % yield (8 mg). H NMR (300 MHz, DMSO): δ 10.4 (s, 1H) 9.0-8.97
(m, 2H), 8.64 (d, 1H), 7.92 (s, 1H), 7.75-7.64 (m, 3H), 7.47-7.43 (m, 3H), 3.31-3.24 (q,
2H), 1.39-1.34 (t, 3H); LC-MS (ESI): Calculated mass: 481.4; Observed mass: 481.8
[M+H] (rt: 1.36 min).
Example 274.
N-(2',4'-difluoro(6-(1-(tetrahydro-2H-pyranyl)-1H-1,2,3-triazolyl)-3H-
imidazo[4,5-b]pyridinyl)-[1,1'-biphenyl]yl)ethanesulfonamide
To a solution of 2',4'-difluoro(6-(1-(tetrahydro-2H-pyranyl)-1H-1,2,3-
triazolyl)-3H-imidazo[4,5-b]pyridinyl)-[1,1'-biphenyl]amine (65 mg, 0.136
mmol) in DCM was added pyridine (21 mg, 2.72 mmol, 2.0 eq.) followed by ethane-
sulfonyl chloride (21 mg, 0.164 mmol, 1.2 eq.). After completion of the reaction the
solvent was distilled off and the crude product was purified by preparative HPLC to give
the product in 42 % yield (30 mg). H NMR (300 MHz, DMSO): δ 10.4 (s, 1H) 9.04 (s,
1H), 8.99-8.98 (d, 1H), 8.90 (d, 1H), 8.63-8.61 (d, 1H) 7.95 (d, 1H), 7.76-7.70 (m, 2H),
7.49 (m, 2H), 7.35 (d, 1H),4.82 (m, 1H),3.95 (d, 2H), 3.58-3.55 (t, 2H),3.36-3.28
(m,2H),2.12 (m,2 H), 1.29-1.24 (t, 3H), 1.08-1.06 (t, 2H); LC-MS (ESI): Calculated
mass: 565.5; Observed mass: 565.9 [M+H] (rt: 1.44 min).
Example 275.
N-(5-(6-(1-(cyclopropylmethyl)-1H-1,2,3-triazolyl)-3H-imidazo[4,5-b]-
pyridinyl)-2',4'-difluoro-[1,1'-biphenyl]yl)ethanesulfonamide
To a solution of 5-(6-(1-(cyclopropylmethyl)-1H-1,2,3-triazolyl)-3H-imidazo-
[4,5-b]pyridinyl)-2',4'-difluoro-[1,1'-biphenyl]amine (50 mg, 0.112 mmol) in
DCM was added pyridine (26 mg, 0.33 mmol, 3.0 eq.) and ethanesulfonyl chloride (17
mg, 0.135 mmol, 1.2 eq.). After completion of the reaction the solvent was distilled off
and the crude product was purified by preparative HPLC to give the product in 33 %
yield (20 mg). H NMR (300 MHz, DMSO): δ 10.3 (s, 1H) 9.02-8.99 (m, 2H), 8.81 (d,
1H), 8.63-8.61 (d, 1H) 7.95 (d, 1H), 7.77-7.69 (m, 2H), 7.49-7.42 (m, 2H), 7.31-7.25 (d,
1H),4.33 (d, 2H),3.42-3.26 (m, 2H), 1.34-1.24 (t, 3H), 0.63-0.60 (t, 2H), 0.49-0.48 (t,
2H); LC-MS (ESI): Calculated mass: 535.5; Observed mass: 535.8 [M+H] (rt: 0.1.33
min).
Example 276.
N-(5-(6-(1-(cyclopropylmethyl)-1H-1,2,3-triazolyl)-3H-imidazo[4,5-b]pyri-
dinyl)-2',4'-difluoro-[1,1'-biphenyl]yl)cyclopropanecarboxamide
To a solution of 5-(6-(1-(cyclopropylmethyl)-1H-1,2,3-triazolyl)-3H-imidazo-
[4,5-b]pyridinyl)-2',4'-difluoro-[1,1'-biphenyl]amine (50 mg, 0.11 mmol) in DMF
was added cyclopropanecarboxylic acid (11 mg, 0.13, mmol, 1.2eq.) followed by HATU
(91 mg, 0.24 mmol, 2.0 eq.) and DIPEA (43 mg, 0.33mmol, 3.0 eq). The mixture was
stirred for 16 h and quenched extracted as in Example 1(d). The solvent was distilled off
to afford the crude residue which was purified by column chromatography to give the
product in 51 % yield (25 mg). H NMR (300 MHz, DMSO): δ 10.6 (s, 1H) 8.99 (d,
2H), 8.88 (d, 1H), 8.62 (d, 1H),8.31 (d, 1H), 7.92 (d, 1H), 7.76-7.71 (m, 2H), 7.47-7.40
(m, 1H), 7.29-7.24 (m, 1H),4.33-4.30 (d, 2H), 3.64-3.62 (m, 2H), 3.12-3.09 (m, 2H),
1.87-1.83 (m, 1H), 0.63-0.61(t, 2H), 0.49-0.48 (t, 2H); LC-MS (ESI): Calculated mass:
511.5; Observed mass: 511.8 [M+H] (rt: 1.63 min).
Example 277.
N-(3-(3-fluoropyridinyl)(5-(1-methyl-1H-pyrazolyl)-1H-benzo[d]-
imidazolyl) phenyl) acetamide
a) N-(3-bromo((4-(1-methyl-1H-pyrazolyl)nitrophenyl) amino) phenyl)
acetamide
A solution of 4-(4-fluoronitrophenyl)methyl-1H-pyrazole(1.6 g, 7.239
mmol), N-(3-aminobromophenyl)acetamide (1.98 g, 8.687 mmol) and potassium
fluoride (0.503 g, 8.687 mmol) in DMF was heated at 130 C for 48 h. The mixture was
quenched and extracted as in Example 1(d). The solvent was distilled off to afford the
crude residue which was purified by column chromatography (60-120 silica gel, 50 %
ethyl acetate in hexane) to yield the title product in 35 % yield (1.1 g); LC-MS (API):
Calculated mass: 430.1; Observed mass: 432 [M+H] (rt: 1.50 min).
b) N-(3-((2-amino(1-methyl-1H-pyrazol-4yl)-phenyl)amino)bromophenyl)
acetamide
To a solution of the compound of Example 277(a) (1.0 g, 2.32 mmol) in THF (20
ml) and methanol (20 ml) were added a solution of ammonium chloride (1.24 g, 23.20
mmol, 10 eq.) in water (15 ml) and zinc (1.5 g , 23.20 mmol, 10 eq.). The mixture was
stirred at RT for 4 h and filtered. The filtrate was diluted with water and extracted as in
Example 1(d). The solvent was distilled off to give the title product in 90 % yield (0.9
g); LC-MS (API): Calculated mass: 399.1; Observed mass: 400.0 [M+H] (rt: 0.61 min).
c) N-(3-bromo(5-(1-methyl-1H-pyrazolyl)-1H-benzo[d]imidazolyl)-
phenyl)acetamide
A mixture of the compound of Example 277(b) (1.0 g, 2.50 mmol) and formic
acid (10 ml) was heated at 90 C for 2 h. The formic acid was distilled off and the
residue was dissolved in ethyl acetate. The ethyl acetate layer was washed with water,
brine and dried over sodium sulphate. The solvent was distilled off to give the product
in 85 % yield (0.9 g); LC-MS (ESI): Calculated mass: 410.1 ; Observed mass: 412.1
[M+H] (rt: 0.403 min).
d) N-(3-(3-fluoropyridinyl)(5-(1-methyl-1H-pyrazolyl)-1H-benzo[d]-
imidazolyl) phenyl) acetamide
A solution of the compound of Example 277(c) (0.1 g, 0.243 mmol) in 1,2-di-
methoxyethane (4 ml) was degassed by N bubbling for 5 min. (3-Fluoropyridinyl)-
boronic acid (0.041 g, 0.292 mmol, 1.2 eq.) was added and the mixture was degassed for
another 5 min. Pd(dppf)Cl (0.020 g , 0.024 mmol , 0.1 eq.) and aqueous sodium
carbonate (0.077 g, 0.731 mmol, 3.0 eq.) were added and the procedure of Example 1(d)
was followed. The crude residue of the product was purified by preparative HPLC to
give the product in 21 % yield. HNMR (300MHz, DMSO-d ): δ 10.5 (s, 1H) , 8.97 (s,
1H), 8.75 (s, 1H), 8.59 (d, 1H), 8.24 (s, 1H), 8.20 (s, 1H), 8.01 (s, 1H), 7.97 (d, 2H),
7.80-7.65 (m, 4H), 3.89 (s, 3H), 2.13 (s, 3H); LC-MS (ESI) : Calculated mass: 426.16;
Observed mass: 427.1 [M+H] (rt: 0.20 min).
Example 278.
N-(3-(3-fluoropyridinyl)(5-(1-methyl-1H-pyrazolyl)-1H-benzo[d]-
imidazolyl)phenyl)ethanesulfonamide
The compound was prepared from the compound of Example 277 (0.9 g, 2.11
mmol, 1 eq.) using the procedure of Example 2 and ethanesulfonyl chloride (60 mg,
0.46 mmol, 1.2 eq.) to give the product in 15.13 % yield (28 mg). H NMR (400 MHz,
DMSO-d ): δ 8.69-8.68 (d, 1H), 8.58 (s, 1H), 8.54-8.52 (d, 1H), 8.18 (s, 1H), 7.97 (s,
1H), 7.93(s, 1H), 7.74-7.71 (t, 1H), 7.67-7.64 (d, 1H), 7.58-7.56 (d, 1H), 7.44-7.43 (t,
1H), 7.36-7.33 (d, 2H), 3.87 (s, 3H), 3.07-3.02 (quartet, 2H), 1.22-1.18 (t, 3H); LC-MS
(ESI): Calculated mass: 476.14; Observed mass: 476.9 [M+H] (rt: 0.36 min).
Example 279.
N-(3-(3-chloropyridinyl)(5-(1-methyl-1H-pyrazolyl)-1H-benzo[d]-
imidazolyl)phenyl)acetamide (
The compound was prepared from the compound of Example 277(c) using the
procedure of Example 277(d). HNMR (400 MHz, DMSO- d ) : δ 10.5 (s, 1H), 8.80 (m,
2H) , 8.66 - 8.63 (m, 2H), 8.20 (s, 1H), 8.13 (s, 1H), 7.99 (s, 1H), 7.94 (s, 1H), 7.81 (s,
1H), 7.72 (d, 1H), 7.65 (d, 1H), 7.60 (d, 1H), 7.53 (s, 1H), 3.88 (s, 3H), 2.13 (s, 3H) ;
LC-MS (ESI): Calculated mass: 442.13 ; Observed mass: 443.1 [M+H] (rt: 0.28 min).
Example 280.
N-(2', 4’-difluoro(5-(1-methyl-1H-pyrazolyl)-1H-benzo[d]imidazolyl)-
[1,1'-biphenyl]yl)pyrimidinamine
A solution of 1-(5-bromo-2',4'-difluoro-[1,1'-biphenyl]yl)(1-methyl-1H-
pyrazolyl)-1H-benzo[d]imidazole (0.075 g, 0.161 mmol) in 1,4-dioxane (3 ml) was
degassed by N bubbling for 5 min. Pyrimidinamine (0.018 g, 0.193 mmol, 1.2 eq.)
was added and the mixture was degassed for another 5 min. Pd (dba) (0.014g, 0.016
mmol, 0.1 eq.) and xantphos (0.037 g, 0.064 mmol, 0.4 eq.) and Cs CO (0.209g, 0.644
mmol, 4.0 eq) were added sequentially and the mixture was further degassed for 5 min.
and then heated at110 C for 16 h. The mixture was filtered on celite bed, quenched and
extracted as in Example 1(d). The solvent was distilled off to afford the crude residue
which was purified by column chromatography (60-120 silica gel, 2 % methanol in ethyl
acetate) to yield the title product in 11.6 % yield (0.09 g). H NMR (400 MHz, DMSO-
d ): δ 10.15 (s, 1H), 8.83 (S, 1H), 8.57-8.56 (D, 2H), 8.35 (s, 1H), 8.24 (s, 1H), 8.01-
7.97 (s, 3H), 7.84-7.81 (d, 1H), 7.70-7.68 (m, 2H), 7.46-7.432(m, 2H), 7.280-7.286 (m,
1H), 6.95-6.32 (t, 1H),3.88 (s, 1H), LC-MS (ESI): Calculated mass: 479.48; Observed
mass: 480.1 [M+H] (rt: 1.52 min).
Example 281.
N-(2', 4’-difluoro(5-(1-methyl-1H-pyrazolyl)-1H-benzo[d]imidazolyl)-
[1, 1’-biphenyl]yl) thiazolamine
The compound was prepared from 1-(5-bromo-2',4'-difluoro-[1,1'-biphenyl]
yl)(1-methyl-1H-pyrazolyl)-1H-benzo[d]imidazole (0.05 g, 0.107 mmol) using the
procedure of Example 280 and thiazolamine (0.01 g, 0.10 mmol, 1.0 eq.) to yield the
title product in 11.7 % yield (0.06 g). H NMR (400 MHz CD OD): δ 9.45 (s, 1H), 8.39
(s, 1H), 8.11 (s, 1H), 8.01 (s, 1H), 7.94 (s, 1H), 7.86-7.83 (m, 2H), 7.74 (s, 1H), 7.67-
7.65 (m, 1H), 7.45(s, 1H), 7.28-7.27 (d, 1H), 7.16-7.11 (m, 2H),6.89 (d, 1H), 3.95(s,3H)
LC-MS (ESI): Calculated mass: 484.52; Observed mass: 485.2 [M+H] (rt: 1.01 min).
Example 282.
N-(2', 4’-difluoro(5-(1-methyl-1H-pyrazolyl)-1H-benzo[d]imidazolyl)-
[1, 1’-biphenyl]yl)methyl-1H-pyrazolamine
The compound was prepared from 1-(5-bromo-2',4'-difluoro-[1,1'-biphenyl]
yl)(1-methyl-1H-pyrazolyl)-1H-benzo[d]imidazole using the procedure of
Example 280. H NMR (400 MHz CD OD): δ 8.72 (s, 1H), 8.19 (s, 1H), 7.97-7.90 (m,
3H), 7.79-7.77 (d, 1H), 7.70 (m, 1H), 7.63-7.61 (d, 1H), 7.56-7.55 (d, 1H), 7.45-7.40
(m, 2H), 7.23(m, 1H), 7.13 (s, 1H), 5.86-5.85 (d, 1H),3.87 (s, 3H), 3.74(s,3H) LC-MS
(ESI): Calculated mass: 481.50; Observed mass: 482.1 [M+H] (rt: 1.45 min).
Example 283.
N-(2',4'-difluoro(5-(1-methyl-1H-pyrazolyl)-1H-benzo[d]imidazolyl)-
[1,1'-biphenyl]yl)methyl-1H-pyrazolamine
The compound was prepared from 1-(5-bromo-2',4'-difluoro-[1,1'-biphenyl]
yl)(1-methyl-1H-pyrazolyl)-1H-benzo[d]imidazole using the procedure of
Example 280. H NMR (400 MHz, DMSO-d ): δ 9.13 (s, 1H), 8.27 (s, 1H), 8.11 (s,
1H), 8.02-8.00. (d, 2H), 7.821 (s, 1H), 7.74-7.70 (m, 3H), 7.48 (m, 2H), 7.29 (m, 1H),
7.09-7.04 (m, 3H), 3.92 (s, 3H), 3.84 (s, 3H), Calculated mass: 481.50 observed mass:
482.1 [M+H] (rt: 1.36 min).
Example 284.
N-(2',4'-difluoro(5-(1-(3-hydroxymethylbutyl)-1H-pyrazolyl)-1H-
benzo[d]imidazolyl)-[1,1'-biphenyl]yl)ethanesulfonamide
The compound was prepared from 4-(4-(1-(5-amino-2',4'-difluoro-[1,1'-bi-
phenyl]yl)-1H-benzo[d]imidazolyl)-1H-pyrazolyl)methylbutanol (88 mg,
0.185 mmol) using the procedure of Example 2(b) and ethanesulfonyl chloride (28.6
mg, 0.370 mmol, 1.2 eq.) to give the product in 33.6 % yield (35 mg) H NMR (300
MHz, DMSO-d ): δ 10.42 (s, 1H), 8.92 (s, 1H), 8.30 (s, 1H), 8.01.-7.97 (d, 2H), 7.69
(m, 3H), 7.59 (d, 2H), 7.56 (m, 2H), 7.32 (m, 1H), 4.30 (m, 2H),3.31-3.28 (m, 4H), 1.8
(m, 2H), 1.28-1.24 (t, 3H), 1.15 (s, 6H), Calculated mass: 565.63; Observed mass: 566.2
[M+H] (rt: 1.40 min).
Example 285.
N-(2',4'-difluoro(6-(6-oxo-1,6-dihydropyridinyl)-3H-imidazo[4,5-
b]pyridinyl)-[1,1'-biphenyl]yl)acetamide
A solution of N-(5-(6-(6-(benzyloxy)pyridinyl)-3H-imidazo[4,5-b]pyridin
yl)-2',4'-difluoro-[1,1'-biphenyl]yl)acetamide (0.10 g, 0.182 mmol) in TFA (4 ml)
was stirred at RT for 16 h. The mixture was concentrated on vacuo, quenched with
sodium bicarbonate and extracted as in Example 1(d). The solvent was distilled off to
give the product in 84.3 % yield (0.70 g) H NMR (400 MHz, DMSO-d ): δ 10.42 (s,
1H), 8.98 (s, 1H), 8.68-8.67 (D, 1H), 8.43 (d, 1H), 8.31 (s, 1H), 7.99-7.96 (dd, 1H), 7.89
(s, 2H), 7.76-7.70 (m, 2H), 7.49-7.43 (m, 1H), 7.31-7.26 (m, 1H), 6.51-6.48 (d, 1H),
2.13 (s, 3H); LC-MS (ESI): Calculated mass 457.43: Observed mass: 458.1[M+H] (rt:
0.68 min).
Example 286.
N-(2',4’-difluoro(6-(6-oxo-1,6-dihydropyridinyl)-3H-imidazo [4,5-b]-
pyridinyl)-[1,1’-biphenyl]yl)ethanesulfonamide
A solution of N-(5-(6-(6-(benzyloxy)pyridinyl)-3H-imidazo[4,5-b]pyridin
yl)-2',4'-difluoro-[1,1'-biphenyl]yl)ethanesulfonamide (0.140 g, 0.234 mmol) in TFA
(5 ml) was stirred at RT for 16 h. The mixture was concentrated on vacuo, quenched
with sodium bicarbonate and extracted as in Example 1(d). The solvent was distilled off
to give the product in 23.7 % yield (0.028 g). H NMR (400 MHz, DMSO-d ): δ 10.35
(s, 1H), 9.07 (s, 1H), 8.70 (s, 1H), 8.44 (s, 1H), 8.01 (d, 1H), 7.93 (s, 2H), 7.78-7.72 (m,
2H), 7.48-7.45 (d, 2H), 7.30-7.26 (t, 1H), 6.52-6.50 (d, 1H), 3.30-3.28(q, 2H), 1.28-1.25
(t, 3H); LC-MS (ESI): Calculated mass: 507.51; Observed mass: 508.1 [M+H] (rt: 0.1
min).
Example 287.
N-(2',4’-difluoro(5-(6-oxo-1,6-dihydropyridinyl)-1H-benzo[d]imidazol
yl)-[1,1’-biphenyl]yl)acetamide
The compound was prepared from N-(5-(5-(6-(benzyloxy)pyridinyl)-1H-
benzo[d]imidazolyl)-2',4'-difluoro-[1,1'-biphenyl]yl)acetamide (0.15 g, 0.274
mmol) using the procedure of Example 286 to afford the product in 11.2 % yield (0.014
g). H NMR (400 MHz, CD OD): δ 8.92 (s, 1H), 8.20-8.19 (s, 1H), 8.05-8.02 (dd, 1H),
7.94 (s, 1H), 7.83-7.78 (m, 2H), 7.74(s, 1H), 7.67-7.61 (m, 2H), 7.55 (s, 1H), 7.16-
7.09(m, 2H), 6.69-6.67 (d, 1H), 2.65(s, 5H), 2.19 (s, 3H); LC-MS (ESI): Calculated
mass 456.44: Observed mass: 457.1[M+H] (rt: 0.68 min).
Example 288.
N-(2',4’-difluoro(5-(6-oxo-1,6-dihydropyridinyl)-1H-benzo[d]imidazol
yl)-[1, 1’-biphenyl]yl)ethane sulfonamide
The compound was prepared from N-(5-(5-(6-(benzyloxy)pyridinyl)-1H-
benzo[d]imidazolyl)-2',4'-difluoro-[1,1'-biphenyl]yl)ethanesulfonamide (0.25 g,
0.419 mmol) using the procedure of Example 286 to afford the product in 82.5 % yield
(0.175 g). H NMR (400 MHz, DMSO-d ): δ 10.38 (s, 1H), 9.06 (S, 1H), 8.025-7.954
(m, 2H), 7.83-7.84 (d, 1H), 7.82-7.72 (m, 2H), 7.68-7.66 (d, 1H), 7.61 (s, 2H), 7.50-7.43
(m, 2H), 7.31-7.26 (t, 1H), 6.50-6.47 (d, 1H), 3.33-3.27 (q, 2H),1.28-1.24 (t, 3H), LC-
MS (ESI): Calculated mass: 506.52; Observed mass: 507.0 [M+H] (rt: 0.085 min).
Example 289.
N-(2',4'-difluoro(5-(6-oxo-1,6-dihydropyridinyl)-1H-benzo[d]imidazol
yl)-[1,1'-biphenyl]yl)cyclopropanesulfonamide
The compound was prepared from N-(5-(5-(6-(benzyloxy)pyridinyl)-1H-
benzo[d]imidazolyl)-2',4'-difluoro-[1,1'-biphenyl]yl)cyclopropanesulfonamide
(0.145 g, 0.238 mmol) using the procedure of Example 286 to afford the product in 6.1
% yield (0.09 g). H NMR (400 MHz, CD OD): δ 9.19 (s, 1H), 8.07-8.04 (dd, 1H), 7.99
(s, 1H), 7.85-7.82 (dd,2H), 7.76-7.71 (m, 2H), 7.90 (m, 2H), 7.64-7.59 (m, 1H),7.15-
7.13 (m,2H), 6.71-7.68 (d, 1H), 2.76-2.72 (m, 1H), 1.17-1.12 (m, 2H), 1.06-1.02 (m,
2H), Calculated mass: 518.53; Observed mass: 519.3 [M+H] (rt: 0.8 min).
Example 290.
N-(5-(6-(2-aminopyridinyl)-3H-imidazo[4,5-b] pyridinyl)-2',4’-difluoro-[1,
1’-biphenyl]yl)cyclopropanesulfonamide
To a solution of tert-butyl (5-(3-(5-(cyclopropanesulfonamido)-2',4'-difluoro-
[1,1'-biphenyl]yl)-3H-imidazo[4,5-b]pyridinyl)pyridinyl)carbamate (0.2 g, 0.32
mmol) in DCM (5 ml) was added TFA (1.2 ml) at 0°C. The mixture was stirred at RT
for 16 h. The mixture was concentrated on vacuo, quenched with sodiumbicarbonate
and extracted as in Example 1(d). The solvent was distilled off to afford the product in
17.9 % yield (0.30 g). H NMR (400 MHz, DMSO-d ): δ 10.15 (s, 1H), 9.09 (S, 1H),
8.90 (s, 1H), 8.69 (s, 1H), 8.04-8.03 (d, 1H), 7.93 (s, 1H), 7.79 (s, 1H), 7.74-7.72 (d,
1H), 7.50(s, 1H), 7.45-7.38 (m, 2H), 7.34 (s, 1H),7.30-7.26 (t, 1H), 2.76-2.72 (m, 1H),
1.17-1.12 (m, 2H), 1.06-1.02 (m, 2H); LC-MS (ESI): Calculated mass: 518.54;
Observed mass: 519.2 [M+H] (rt: 0.71 min).
Example 291.
N-(5-(5-(2-aminopyridinyl)-1H-benzo[d]imidazolyl)-2',4'-difluoro-[1,1'-
biphenyl]yl)cyclopropanesulfonamide
The compound was prepared from tert-butyl (5-(1-(5-(cyclopropanesulfon-
amido)-2',4'-difluoro-[1,1'-biphenyl]yl)-1H-benzo[d]imidazolyl)pyridinyl)-
carbamate (0.2 g, 0.32 mmol) using the procedure of Example 290 to afford the product
in 9.0 % yield (0.18 g). H NMR (400 MHz, DMSO-d ): δ 10.32 (s, 1H), 8.84 (s, 1H),
8.30 (s, 1H), 8.05-8.03. (s, 3H), 7.88-7.86 (d, 1H), 7.82-7.79 (m, 2H), 7.62-7.60 (d, 2H),
7.52-7.47 (m, 2H), 7.39-7.38 (d, 1H), 7.31-7.29 (m, 2H), 1.03-1.01 (d, 4H), Calculated
mass: 517.55; Observed mass: 518.1 [M+H] (rt: 0.41 min).
Example 292.
N-(2',4'-difluoro(5-(5-methyl-1,3,4-thiadiazolyl)-1H-benzo[d]imidazol
yl)-[1,1'-biphenyl]yl)cyclopropanesulfonamide
A solution of N-(2',4'-difluoro(5-(4,4,5,5-tetramethyl-1,3,2-dioxaborolan
yl)-1H-benzo[d]imidazolyl)-[1,1'-biphenyl]yl)cyclopropanesulfonamide (0.15 g,
0.272 mmol) in 1,2-dimethoxyethane (5 ml) was degassed by N bubbling for 5 min. 2-
Bromomethyl-1,3,4-thiadiazole (0.058 g, 0.326 mmol, 1.2 eq.) was added and the
mixture was degassed for another 5 min. Pd(dppf)Cl (0.011, 0.013 mmol, 0.05 eq.) and
aqueous sodium carbonate (0.072, 0.680 mmol, 2.5 eq.) were added and the procedure
of Example 1(d) was followed. The crude residue of the product was purified by column
chromatography (60-120 silica gel, 80 % ethyl acetate in hexane) to yield the desired
title product in 4.2 % yield (0.006 g). H NMR (400 MHz, DMSO-d ): δ 10.21 (s, 1H),
8.81 (s, 1H), 8.34-8.33 (s, 1H), 8.00-7.98 (dd, 1H), 7.84(d, 1H), 7.79-7.73 (m, 1H), 7.54
(s, 1H), 7.49-7.42 (m, 2H), 7.29-7.24(m, 1H), 3.17-3.16(d, 2H), 2.85-2.84 (m, 1H),
2.79(s, 3H), 1.01-0.99 (m, 4H); LC-MS (ESI): Calculated mass: 523.58; Observed mass:
523.7 [M+H] (rt: 1.50 min).
Example 293.
N-(2', 4’-difluoro(5-(5-fluoropyridinyl)-1H-benzo[d]imidazolyl)-[1,1'-
biphenyl]yl)cyclopropanesulfonamide
A solution of N-(2',4'-difluoro(5-(4,4,5,5-tetramethyl-1,3,2-dioxaborolan
yl)-1H-benzo[d]imidazolyl)-[1,1'-biphenyl]yl)cyclopropanesulfonamide (0.15 g,
0.272 mmol) in 1,2-dimethoxyethane (5 ml) was degassed by N bubbling for 5 min. 2-
Bromofluoropyridine (0.057 g, 0.326 mmol, 1.2 eq.) was added and the mixture was
degassed for another 5 min. Pd(dppf)Cl (0.011, 0.013 mmol, 0.05 eq.) and aqueous
sodium carbonate (0.072, 0.680 mmol, 2.5 eq.) were added and the procedure of
Example 1(d) was followed. The crude residue of the product was purified by column
chromatography (60-120 silica gel, 80 % ethyl acetate in hexane) to yield the title
product in 14.1 % yield (0.02 g). H NMR (400 MHz, DMSO-d ): δ 10.23 (s, 1H), 8.75
(s, 1H), 8.68-8.67 (d, 1H), 8.48 (d, 1H), 8.20-8.13 (m, 2H), 7.86-7.743 (m, 3H), 7.61-
7.60 (d, 2H), 7.51-7.43 (m, 2H), 7.30-7.25(m, 1H), 2.89-2.86(t, 1H), 1.03-1.02 (d, 4H);
LC-MS (ESI): Calculated mass: 520.53; Observed mass: 521.2 [M+H] (rt: 1.64 min).
Example 294.
N-(3-(3-fluoropyridinyl)(5-(1-(2-morpholinoethyl)-1H-pyrazolyl)-1H-
benzo[d]imidazolyl)phenyl)methane sulphonamide
a) N-(3-nitro(4,4,5,5-tetramethyl-1,3,2-dioxaborolanyl)phenyl)acetamide
To a degassed (N bubbling) solution of N-(3-bromonitrophenyl)acetamide
(25 g, 96.89 mmol) in 1,4-dioxane (150 ml) were added 4,4,4',4',5,5,5',5'-octamethyl-
2,2'-bi(1,3,2-dioxaborolane) (29.5 g, 116.27 mmol, 1.2eq), Pd(dppf)Cl (7.9 g, 9.68
mmol, 0.1 eq.) and potassium acetate (28.5 g, 290.69 mmol, 3 eq.). The mixture was
heated at 100 °C in a sealed tube for 6 h. The mixture was diluted with ethyl acetate and
filtered over a pad of celite. The solvent was distilled off to afford the product (24 g)
. HNMR (300 MHz, DMSO-d ): δ 10.44 (s, 1H), 8.72 (t, 1H), 8.18-8.15 (m, 1H), 8.03
(d, 1H), 2.08 (s, 1H), 1.30 (s, 9H).
b) N-(3-(3-fluoropyridinyl)nitrophenyl)acetamide
A solution of N-(3-nitro(4,4,5,5-tetramethyl-1,3,2-dioxaborolanyl)phenyl-
acetamide (10 g, 32.67 mmol) in 1,2-dimethoxyethane (100 ml) was degassed by N
bubbling for 5 min. 2-Chlorofluoro pyridine (4.29 g, 32.67 mmol) was added and the
mixture was degassed for another 5 min. Pd(dppf)cl (2.6 g, 3.26 mmol) and aqueous
sodium carbonate (10.39 g, 98.03 mmol) were added and the procedure of Example 1(d)
was followed. The crude residue of the product was purified by column chromatography
(60-120 silica gel, 3 % methanol in chloroform) to yield the title product in 70 % yield
(6.3 g). H NMR (300 MHz, DMSO-d ): δ10.64 (s, 1H), 8.74 (m, 1H), 8.62 (m, 1H),
8.55 (brs, 1H), 8.44 (brs, 1H), 7.93 (m, 1H), 7.60 (m, 1H), 2.12 (s, 3H).
c) N-(3-amino(3-fluoropyridinyl)phenyl)acetamide
To a solution of N-(3-(3-fluoropyridinyl)nitrophenyl)acetamide (5 g, 18.18
mmol) in THF (50 ml), Zn (11.8 g, 181.18 mmol) was added followed by slow addition
of solution of NH Cl (9.7 g, 181.18 mmol) in 20 ml water. The mixture was stirred at
RT for 1 h. The mixture was filtered through celite and bed washed with ethyl acetate.
The mixture was diluted with ethyl acetate and washed with water and brine solution,
dried over sodium sulphate and distilled to give the product in 90 % yield (4.2 g). LC-
MS (ESI): Calculated mass: 245; Observed mass: 246.1 [M+H] (rt: 0.21 min).
d) N-(3-((4-bromonitrophenyl)amino)(3-fluoropyridinyl)phenyl)acet-
amide
Solution of 4-bromofluoronitrobenzene (3.0 g, 13.63 mmol), N-(3-amino-
-(3-fluoropyridinyl)phenyl)acetamide (4.0 g, 16.36 mmol), and potassium fluoride
(0.95 g, 16.36 mmol) in DMF was heated at 130 C for 16 h. The mixture was quenched
and extracted as in Example 1(d). The solvent was distilled off to afford the crude
residue which was purified by column chromatography (60-120 silica gel, 30 % ethyl
acetate in hexane) to yield the title product in 50 % yield (3.4 g). H NMR (300 MHz,
DMSO-d ): δ 8.55 (brs, 1H), 8.23 (brs, 1H), 7.96 (m, 2H), 7.85 (m, 2H), 7.67 (d, 1H),
7.51 (m, 2H), 7.21 (d, 1H), 2.07 (s, 3H).
e) N-(3-((2-aminobromophenyl)amino)(3-fluoropyridinyl)phenyl)acet-
amide
To a solution of the compound of Example 294(d) (3.4g, 7.64 mmol) in THF (35
ml) were added a solution of ammonium chloride (4.08 g, 76.40 mmol, 10 eq.) in water
(15 ml) and zinc (4.98 g, 76.40 mmol, 10 eq.). The mixture was stirred at RT for 4 h and
filtered. The filtrate was diluted with water and extracted as in Example 1(d). The
solvent was distilled off to afford the title product in 75 % yield (2.4 g). LC-MS (API):
Calculated mass: 415.2, Observed mass: 417.1 [M+H] (rt: 1.35 min).
f) N-(3-(5-bromo-1H-benzo[d]imidazolyl)(3-fluoropyridinyl)phenyl)-
acetamide
A mixture of the compound of Example 294(e) (2.4 g, 5.78 mmol) and formic
acid (24 ml) was heated at 90 C for 6 h. The formic acid was distilled off and the crude
was dissolved in ethyl acetate. The ethyl acetate layer was washed with water, brine and
dried over sodium sulphate. The solvent was distilled off to afford the title product in 73
% yield (1.8 g). LC-MS (ESI): Calculated mass: 425.2; Observed mass: 426.7 [M+H]
(rt: 1.38 min).
g) 3-(5-bromo-1H-benzo[d]imidazolyl)(3-fluoropyridinyl)aniline
To a solution of the compound of Example 294(f) (0.6 g, 1.41 mmol) in ethanol
(20 ml) was added solution of NaOH (0.56 g, 14.11 mmol) in 5 ml of water and the
mixture was heated at 90 C for 2 h. The mixture was concentrated and the crude
residue was quenched with water and extracted as in Example 1(d). The solvent was
distilled off to afford the product in 55 % yield (0.3 g). LC-MS (API): Calculated mass:
382.0; Observed mass: 385.1 [M+H] (rt: 1.32 min).
h) N-(3-(5-bromo-1H-benzo[d]imidazolyl)(3-fluoropyridinyl) phenyl
methane sulphonamide
To a solution of the compound of Example 294(g) (0.15 g, 0.39 mmol) in DCM
was added pyridine (0.093 g, 1.17 mmol) followed by methane sulfonyl chloride (0.054
g, 0.47 mmol). The mixture was stirred for 3 h, quenched with water and extracted as in
Example 2(b). The solvent was distilled off to afford the crude residue which was
purified by 60-120 mesh silicagel, to give the product in 60 % yield (120 mg). LC-MS
(ESI): Calculated mass: 460.1; Observed mass: 460.2 [M+H] (rt: 1.54 min).
i) N-(3-(3-fluoropyridinyl)(5-(1-(2-morpholinoethyl)-1H-pyrazolyl)-1H-
benzo[d]imidazolyl)phenyl)methane sulfonamide
A solution of the compound of Example 294(h) (0.12 g, 0.260 mmol) in 1,2-
dimethoxyethane (8 ml) was degassed by N bubbling for 5 min. 4-(2-(4-(4,4,5,5-
Tetramethyl-1,3,2-dioxaborolanyl)-1H-pyrazolyl)ethyl) morpholine (0.096 g,
0.313 mmol) was added and the mixture was degassed for another 5 min. Aqueous
sodium carbonate (0.083 g, 0.782 mmol) and Pd(dppf)Cl (0.021g, 0.026 mmol) were
added and the procedure of Example 1(d) was followed. The crude residue of the
product was purified by preparative HPLC to give the title product in 10 % yield (15
mg). H NMR (400 MHz, CD OD): δ 8.56 (d, 2H), 8.11 (s, 1H), 7.94-7.90 (m, 4H),
7.80- 7.72 (m, 2H), 7.66-7.62 (m, 2H), 7.52-7.50 (m, 1H), 4.33 (t, 2H), 3.68-3.64 (m,
4H), 3.12 (s, 3H), 2.85 (m, 2H), 2.52 (m, 4H); LC-MS (ESI): Calculated mass: 561.2 ;
Observed mass: 561.8 [M+H] (rt: 0.10 min).
Example 295.
N-(3-(3-fluoropyridinyl)(5-(1-methyl-1H-pyrazolyl)-1H-benzo[d]-
imidazolyl)phenyl)cyclopropanesulfonamide
The compound was prepared from N-(3-(5-bromo-1H-benzo[d]imidazolyl)
(3-fluoropyridinyl)phenyl)cyclopropanesulfonamide (150 mg, 0.30 mmol) using the
method of Example 1(i) to give the product in 15 % yield (10 mg). H NMR (400 MHz,
CDCl3): δ 8.53 (d, 1H), 7.92 (d, 3H), 7.80 (s, 1H), 7.72 (d, 2 H), 7.6.3-7.55 (m, 4H),
7.41-7.28 (m, 1H), 3.92 (s, 3H), 2.85-2.80 (m, 1H), 1.31-1.17 (m, 2H) 1.03-1.01 (m,
2H); LC-MS (ESI): Calculated mass: 488.5; Observed mass: 489.0 [M+H] (rt: 0.59
min).
Example 296.
N-(3-(3-methoxypyridinyl)(5-(1-methyl-1H-pyrazolyl)-1H-benzo[d]-
imidazolyl)phenyl)cyclopropanesulfonamide
The compound was prepared from N-(3-(5-bromo-1H-benzo[d]imidazolyl)
(3-methoxypyridinyl)phenyl)cyclopropanesulfonamide (200 mg, 0.40 mmol) using
the procedure of Example 1(i) to give the title product in 20 % yield (20 mg). H NMR
(400 MHz, DMSO): δ 10.3 (s, 1H),8.60 (d, 1H), 8.32-8.31 (d, 1H), 8.20 (s, 1H) 7.99 (d,
1H), 7.94 (s, 1H), 7.92-7.89 (d, 2H),7.66-7.63 (m,3H), 7.54 (d, 1H),7.47-7.43 (m, 1H),
4.33 (d, 2H),3.42-3.26 (m, 2H), 1.34-1.24 (t, 3H), 0.63-0.60(t, 2H), 0.49-0.48 (t, 2H);
LC-MS (ESI): Calculated mass: 500.5; Observed mass: 500.8 [M+H] (rt: 0.45 min).
Example 297.
N-(2',4'-difluoro(5-(1-methyl-1H-imidazolyl)-1H-benzo[d]imidazolyl)-
[1,1'-biphenyl]yl)acetamide
a) N-(2',4'-difluoro(5-(4,4,5,5-tetramethyl-1,3,2-dioxaborolanyl)-1H-
benzo[d]imidazolyl)-[1,1'-biphenyl]yl)acetamide
To a degassed (N bubbling) solution of of compound of Example 1(h) (0.3 g,
0.68 mmol) in 1,2-dimethoxyethane (10 ml) were added 4,4,4',4',5,5,5',5'-octamethyl-
2,2'-bi(1,3,2-dioxaborolane) (0.26 g, 1.02 mmol, 1.5 eq.), Pd(dppf)Cl (55 mg, 0.068
mmol, 0.1 eq.) and potassium acetate (0.2 g, 2.04 mmol, 3 eq.) and the mixture was
heated at 80 C in a sealed tube for 3 h. The mixture was diluted with ethyl acetate and
filtered over a pad of celite. The solvent was distilled off to afford the crude residue
which was purified by column chromatography (60-120 silica gel, 70 % ethyl acetate in
hexane) to yield the title product in 60 % yield (0.2 g). LC-MS (ESI): Calculated mass:
489.32; Observed mass: 490.5 [(M+H] (rt: 1.83 min).
b) N-(2',4'-difluoro(5-(1-methyl-1H-imidazolyl)-1H-benzo[d]imidazol
yl)-[1,1'-biphenyl]yl)acetamide
A solution of the compound of Example 297(a) (0.1 g, 0.204 mmol) in 1,2-
dimethoxyethane (15 ml) was degassed by N bubbling for 5 min. 4-Bromomethyl
imidazole (49 mg, 0.306 mmol, 1.5 eq.) was added and the mixture was degassed for
another 5 min. Pd(dppf)Cl (16 mg, 0.0204 mmol, 0.1 eq.) and aqueous sodium
carbonate (65 mg, 0.612 mmol, 3.0 eq.) were added and the procedure of Example 1(d)
was followed. The crude residue of the product was purified by column chromatography
(60-120 silica gel, 5 % methanol in chloroform) to yield the title product in 11 % yield
(10 mg). H NMR (400 MHz, DMSO-d6): δ 10.5 (s, 1H), 9.05-9.0(br S, 1H), 8.8 (s,
1H), 8.26 (s, 1H), 8.18 (s, 1H), 8.13 (s, 1H), 7.87-7.76 (m, 5H), 7.56 (s, 1H), 7.48 (dt,
1H), 7.3-7.29 (dt, 1H),3.9(s,3H), 2.15(s,3H); LC-MS (ESI): Calculated mass: 443.45;
Observed mass: 444.1 [M+H] (rt: 0.632 min).
Example 298.
1-(2',4'-difluoro(5-(1-methyl-1H-imidazolyl)-1H-benzo[d]imidazolyl)-
[1,1'-biphenyl]yl)(furanylmethyl)urea
a) 2',4'-difluoro(5-(1-methyl-1H-imidazolyl)-1H-benzo[d]imidazolyl)-
[1,1'-biphenyl]amine
The compound was prepared from the compound of Example 297 (0.4 g, 2.26
mmol) using the procedure of Example 2(a) to afford the product in 27 % yield (0.1 g).
LC-MS (ESI): Calculated mass: 401.41; Observed mass: 402.1 [M+H] (rt: 1.198 min).
b) 1-(2',4'-difluoro(5-(1-methyl-1H-imidazolyl)-1H-benzo[d]imidazol
yl)-[1,1'-biphenyl]yl)(furanylmethyl)urea
To a solution of the compound of Example 298(a) (50 mg, 0.124 mmol) in DCM
was added furfuryl isocyanate (0.01 ml, 0.149 mmol, 1.2 eq.) followed by DIPEA (0.06
ml, 0.37 mmol, 3 eq.). The mixture was stirred for overnight and quenched and
extracted as in Example 1(d). The solvent was distilled off to afford the crude residue
which was purified by preparative HPLC to give the product in 40 % yield (20 mg). H
NMR (300 MHz, DMSO-d6): δ 9.16 (s, 1H), 9.14 (s, 1H), 8.8 (s, 1H), 8.27-8.22 (d,
2H), 7.99 (s, 1H), 7.89 (s, 1H), 7.87 (s, 1H), 7.81-7.73 (m, 2H), 7.62 (s, 2H), 7.49-7.42
(m, 2H), 7.31-7.26 (dt,1H), 6.91-6.88 (t,1H), 6.44-6.42 (m,1H), 6.3-6.29 (m,1H), 4.35-
4.33 (d,2H), 3.94 (s,3H). LC-MS (ESI): Calculated mass: 524.52; Observed mass: 525
[M+H] (rt: 0.632 min).
Example 299.
N-(2',4'-difluoro(5-(1-methyl-1H-imidazolyl)-1H-benzo[d]imidazolyl)-
[1,1'-biphenyl]yl)ethanesulfonamide
The compound was prepared from the compound of Example 298(a) using the
procedures of Example 294(h). H NMR (300 MHz, CD OD): δ 8.4 (s, 1H), 8.0 (s, 1H),
7.71-7.69 (dd, 1H), 7.59-7.41 (m, 6H), 7.04-7.01 (m, 2H), 3.69 (S, 3H), 3.22-3.13 (q,
2H), 1.29-1.26 (t, 3H); LC-MS (ESI): Calculated mass: 493.53; Observed mass: 494
[M+H] (rt: 0.632 min).
Example 300.
N-(2',4'-difluoro(5-(1-methyl-1H-imidazolyl)-1H-benzo[d]imidazolyl)-
[1,1'-biphenyl]yl)ethanesulfonamide
The compound was prepared from the compound of Example 200(b) (0.5 g, 1.02
mmol) using the procedures of Example 297 to give the title product in 16 % yield (15
mg). H NMR (300 MHz, CD OD): δ 9.01 (s, 1H), 8.73 (s, 1H), 8.01 (s, 1H), 7.88-7.86
(d, 1H), 7.71-7.70 (m, 1H), 7.65-7.56 (m, 4H), 7.51-7.5 (m, 1H), 7.13-7.09 (m, 2H),
3.91 (s, 3H), 3.28-3.22 (m, 2H), 1.38-1.35(t,3H); LC-MS (ESI): Calculated mass:
493.53; Observed mass: 493.9 [M+H] (rt: 1.232 min).
Example 301.
N-(3-(3-fluoropyridinyl)(5-(1-(2-morpholinoethyl)-1H-pyrazolyl)-1H-
benzo[d]imidazolyl)phenyl)methanesulfonamide
The title compound was prepared from the title compound of Example 294(f)
using the procedures of Example 294(i). H NMR (400 MHz, DMSO-d ): δ 10.43 (s,
1H), 8.25 (s, 1H), 8.21 (s, 1H), 8.16 (s, 1H), 7.99 (s, 1H), 7.95 (s, 1H), 7.94-7.88 (m,
1H), 7.86 (s, 1H), 7.67-7.65 (m, 1H), 7.61-7.57 (m, 2H), 4.26-4.23 (t, 2H), 3.57-3.55 (t,
4H), 2.77-2.67 (t, 2H), 2.43 (m,4H), 2.13 (s, 3H) : LC-MS (ESI): Calculated mass:
525.58; Observed mass: 526.3 [M+H] (rt: 0.11 min).
Example 302.
N-(5-(5-(4-acetamido-1H-pyrazolyl)-1H-benzo[d]imidazolyl)-2',4'-di-
fluoro-[1,1'-biphenyl]yl)acetamide
To a solution of compound of Example 1(h) (120 mg, 0.271 mmol) in DMF (20
ml) were added N-(1H-pyrazolyl)acetamide (50 mg, 0.407 mmol, 1.5 eq), copper(I)
oxide (4.9 mg, 0.027 mmol, 0.1 eq) and cesium carbonate (176 mg, 0.5429 mmol, 2.0
eq) and then heated at 110 C for 48 h. The mixture was quenched and extracted as in
Example 1(d). The solvent was distilled off to afford the crude residue which was
purified by preparative HPLC to yield the title product in 12.8 % yield (16 mg). H NMR
(400 MHz, DMSO- d ): δ 10.41 (s, 1H), 10.15 (s, 1H), 8.85 (s, 1H), 8.54 (s, 1H), 8.14
(d, 1H), 8.07 (t, 1H), 7.87-7.71 (m, 5H), 7.53(s, 1H), 7.47-7.41 (m, 1H), 7.28-7.23 (m,
1H), 2.11 (s, 3H), 2.02 (s, 3H), LC-MS (ESI): Calculated mass: 461.54; Observed
mass: 462.1 [M+H] (rt: 0.7 min).
Example 303.
Ethyl 2-(4-(3-(5-acetamido-2',4'-difluoro-[1,1'-biphenyl]yl)-3H-imidazo[4,5-
b]pyridinyl)-1H-1,2,3-triazolyl)acetate
The title compound was prepared from the title compound of Example 131(c)
using the procedures of Example 131(d). H NMR (400 MHz, DMSO-d ): 8.71 (s, 1H),
8.64 (s, 1H), 8.26 (s, 1H), 8.07 (s, 1H), 7.93 (s, 1H), 7.91 (s, 1H), 7.84(s, 1H), 7.78-7.73
(m, 2H), 7.54 (s, 1H), 7.48-7.42 (m, 1H), 7.29-7.24(dt, 1H), 5.48 (s, 2H),4.25-4.19 (q,
2H), 2.13 (s, 3H), 1.27-1.24 (t, 3H): LC-MS (ESI): Calculated mass: 517.49; Observed
mass: 518.4 [M+H] (rt: 1.37min).
Example 304.
N-(4'-fluoro(6-(thiazolyl)-3H-imidazo [4, 5-b] pyridinyl)-[1,1'-bi-
phenyl]yl)acetamide
A solution of N-(5-(6-bromo-3H-imidazo[4,5-b]pyridinyl)-4'-fluoro-[1,1'-
biphenyl]yl)acetamide (300 mg, 0.705 mmol) in THF (8 ml) was degassed by N
bubbling for 5 min. Thiazolyl zinc(II) bromide (485 mg, 2.11 mmol, 3.0 eq.) was
added and the mixture was degassed for another 5 min. Pd(dppf)Cl (57 mg, 0.070
mmol, 0.1 eq.) aqueous sodium carbonate were added and the procedure of Example
1(d) was followed. The crude residue of the product was purified by preparative HPLC
to yield the title product in 40 % yield (120 mg) H NMR (400 MHz, DMSO-D6):
δ10.43 (s,1H), 8.78 (s,1H), 8.45 (s,1H), 8.08 (s,1H), 8.01 (d,1H), 7.94 (d,1H), 7.85-7.73
(m,4H), 7.55 (s,1H), 7.45 (t,1H), 7.27 (t,1H), 2.13 (s,3H), LC-MS (ESI): Calculated
mass: 429.47; Observed mass: 430.00 [M+H] (rt: 1.33 min).
Example 305.
N-(2',4'-difluoro(5-(thiazolyl)-1H-benzo[d]imidazolyl)-[1,1'-biphenyl]-
3-yl)methanesulfonamide
The compound was prepared using the procedure of Example 304 starting from
the compound of Example 208(a) to give the product in 10.4 % yield (12 mg). H NMR
(400 MHz, DMSO-D6): δ10.31(s,1H), 8.80 (s,1H), 8.35 (s,1H), 8.02 (d,1H), 7.94
(d,1H), 7.83-7.75 (m,3H), 7.61 (s,1H), 7.57 (d,1H), 7.49-7.43 (m,2H), 7.28 (dt,1H), 3.19
(s,3H), LC-MS (ESI): Calculated mass: 482.53; Observed mass: 483.2.
Example 306.
N-(2',4'-difluoro(5-(thiazolyl)-1H-benzo[d]imidazolyl)-[1,1'-biphenyl]-
3-yl)ethanesulfonamide
The compound was prepared from the compound of Example 200(b) using the
procedure of Example 304 to give the product in 9.6 % yield (15 mg). H NMR (400
MHz, DMSO-D6): δ10.35 (s,1H), 8.81 (s,1H), 8.35 (s,1H), 8.01 (d,1H), 7.93 (s,1H),
7.81-7.76 (m,3H), 7.58 (d,2H), 7.49-7.44 (m,2H), 7.29 (t,1H), 3.30 (q,2H), 1.26 (t,3H),
LC-MS(ESI): Calculated mass: 496.55; Observed mass: 497.0 [M+H] (rt: 1.12 min).
Example 307.
N-(2',4'-difluoro(5-(1-isopropyl-1H-pyrazolyl)-1H-benzo[d]imidazolyl)-
[1,1'-biphenyl]yl)methane sulfonamide
The compound was prepared from the compound of Example 208(a) using the
procedure of Example 208(b) and 1-isopropyl(4,4,5,5-tetramethyl-1,3,2-dioxaboro-
lanyl)-1H-pyrazole to afford the product in 9 % yield (18 mg).. H NMR (300 MHz,
DMSO- d ): δ 10.28 (s, 1H), 8.63 ( s, 1H), 8.28 (s, 1H), 7.99 (s, 1H), 7.92 (s, 1H), 7.77
(d, 1H), 7.70-7.61 (m, 2H), 7.60 -7.51 (m, 2H), 7.50-7.38 (m, 2H), 7.30-7.29 (m, 1H),
4.60-4.40 (m, 1H), 3.15 (s, 3H), 1.44 (d, 6H) ; LC-MS (API): Calculated mass: 507.15 ;
Observed mass: 508.0 [M+H] (rt: 1.00 min).
Example 308.
N-(2',4'-difluoro(5-(1-isopropyl-1H-pyrazolyl)-1H-benzo[d]imidazolyl)-
[1,1'-biphenyl]yl)ethane sulfonamide
The compound was prepared from the compound of Example 200(b) using the
procedure of Example 200(c). H NMR (400 MHz, DMSO-d ): δ 10.31 (s, 1H), 8.64
(s,1H), 8.30 (s, 1H), 8.01 (s, 1H), 7.95 (s, 1H), 7.75 (q, 1H), 7.65 (q, 2H), 7.56 (m,2H),
7.46 (m, 2H), 7.27(m, 1H), 4.51(m, 1H), 3.28 (q, 2H), 1.46 (d, 6H), 1.25 (t, 3H). LC-
MS (ESI): Calculated mass: 521.17; Observed mass: 522.1 [M+H] (rt: 1.55 min).
Example 309.
N-(2',4'-difluoro(6-(1-isopropyl-1H-pyrazolyl)-3H-imidazo[4,5-b]pyridin-
3-yl)-[1,1'-biphenyl]yl)ethanesulfonamide
A solution of N-(5-(6-bromo-3H-imidazo[4,5-b]pyridinyl)-2',4'-difluoro-[1,1'-
biphenyl]yl)ethanesulfonamide (0.2 g, 0.405 mmol) in 1,2-dimethoxyethane (5 ml)
was degassed by N bubbling for 5 min. 1-Isopropyl(4,4,5,5-tetramethyl-1,3,2-dioxa-
borolanyl)-1H-pyrazole (0.191 g, 0.810 mmol, 2.0 eq.) was added and the mixture
was degassed for another 5 min. Pd(dppf)Cl (0.032 g, 0.040 mmol, 0.1 eq.) and
aqueous sodium carbonate (0.17 g, 1.012 mmol, 2.5 eq.) were added and the procedure
of Example 1(d) was followed. The crude residue of the product was purified by column
chromatography (60-120 silica gel, 80% ethyl acetate in hexane) to yield the product in
52.1 % yield (0.11 g). H NMR (400 MHz, DMSO-d ): δ 10.42 (s, 1H), 8.94 (s, 1H),
8.75 (d, 1H), 8.44-8.42 (dd, 2H), 8.05 (s, 1H), 7.95 (s, 1H), 7.77-7.70 (m, 2H), 7.48-
7.43 (m, 2H), 7.30-7.26 (m, 1H), 4.54-4.51(m,1H), 4.13-4.11 (m, 1H); 3.28-3.26
(m,2H), 3.17-3.16 (d, 1H), 1.48-1.46 (d,6H), 1.28-1.25 (t,3H), LC-MS (ESI): Calculated
mass: 522.57 Observed mass: 523.0 [M+H] (rt: 1.52 min).
Example 310.
N-(5-(5-(6-aminopyridinyl)-1H-benzo[d]imidazolyl)-2',4'-difluoro-[1,1'-bi-
phenyl]yl)methanesulfonamide
The title compound was prepared from the title compound of Example 208(a)
using the procedures of Example 246. H NMR (300 MHz, DMSO-d ): δ 10.43 (s, 1H),
9.05 (s, 1H), 8.42 (s, 2H), 8.17 (s, 2H), 7.84 (s, 1H), 7.78-7.73 (m, 3H), 7.62 (m, 2H),
7.49 (m, 2H), 7.31-7.27 (m, 1H), 7.15-7.12 (m, 1H), 3.19 (s, 3H); LC-MS (ESI):
Calculated mass: 491.12; Observed mass: 492.2 [M+H] (rt: 0.28 min).
Example 311.
N-(5-(5-(6-aminopyridinyl)-1H-benzo[d]imidazolyl)-2',4'-difluoro-[1,1'-
biphenyl]yl)ethanesulfonamide
The compound was prepared from the compound of Example 200(b) using the
procedures of Example 246. H NMR (300 MHz, DMSO-d ): δ 10.43 (s, 1H), 8.75 (s,
1H), 8.38-8.36 (m, 2H), 8.12 (s, 1H), 7.80-7.42 (m, 3H), 7.72-7.66 (m, 2H), 7.58-7.57
(m, 2H), 7.49-7.42 (m, 2H), 7.31-7.27 (m, 1H), 7.06-7.02 (m, 1H), 3.29 (quartet, 2H),
1.26 (s, 3H); LC-MS (ESI): Calculated mass: 505.14; Observed mass: 506.3 [M+H] (rt:
0.37 min).
Example 312.
1-(5-Acetamido-2',4'-difluoro-[1,1'-biphenyl]yl)-1H-benzo[d]imidazole
carboxamide
a) 1-(5-Amino-2',4'-difluoro-[1,1'-biphenyl]yl)-1H-benzo[d]imidazole
carboxamide
To a solution of N-(5-(5-cyano-1H-benzo[d]imidazolyl)-2',4'-difluoro-[1,1'-
biphenyl]yl)acetamide (0.5 g, 1.28 mmol, 1 eq.) in ethanol (10 ml) was added 20 %
aqueous solution of potassium hydroxide (0.721 g, 12.88 mmol, 10 eq.) and the mixture
was heated at 85 C for 5 h. The mixture was quenched and extracted as in Example
1(d). The solvent was distilled off to afford title product in 71% yield (0.32 g). LC-MS
(ESI): Calculated mass: 364.11; Observed mass: 365.1 [M+H] (rt: 0.59 min).
b) 1-(5-Acetamido-2',4'-difluoro-[1,1'-biphenyl]yl)-1H-benzo[d]imidazole
carboxamide
Acetic anhydride (0.1 ml, 1 vol.) was added dropwise at 0 C to the compound of
Example 312(a) (0.1 g). The mixture was stirred for 30 min at RT and subsequently
quenched by the addition of crushed ice. The precipitate formed was filtered and was
washed with cold water to obtain off-white solid. The solid was dried under vacuum to
give the product in 28.8 % yield (32 mg). H NMR (400 MHz, DMSO-d ): δ 10.48 ( s,
1H), 8.80 (s, 1H), 8.42 (s, 1H), 8.10 (s, 1H), 7.99-7.97 (d, 1H), 7.88 (s, 1H), 7.80-7.76
(m, 2H), 7.57 (s, 1H), 7.49 (t, 1H), 7.41 (s, 1H), 7.31-7.29 (t, 1H), 2.18 (s, 3H); LC-MS
(ESI): Calculated mass: 406.12; Observed mass: 407.2 [M+H] (rt: 0.47 min).
Example 313.
N-(2',4'-difluoro(5-(5-methyl-1,2,4-oxadiazolyl)-1H-benzo[d]imidazol
yl)-[1,1'-biphenyl]yl)acetamide
a) N-(5-((4-cyanonitrophenyl)amino)-2',4'-difluoro-[1,1'-biphenyl]yl)acet-
amide
A solution of N-(5-aminobiphenylyl)acetamide (1.5 g, 5.72 mmol), 4-fluoro-
3-nitrobenzonitrile (0.95 g, 5.72 mmol, 1.0 eq.) and potassium fluoride (0.33 g, 5.72
mmol, 1.0 eq.) in DMF (15 ml) was heated at 130 C for 12 h. The mixture was
quenched and extracted as in Example 1(d). The solvent was distilled off to afford the
crude residue which was purified by column chromatography (60-120 silica gel, 50 %
ethyl acetate in hexane) to yield the title product in 43 % yield (1 g).
b) N-(5-((2-aminocyanophenyl)amino)-2',4'-difluoro-[1,1'-biphenyl]yl)-
acetamide
To a solution of the compound of Example 313(a) (1.0 g, 2.45 mmol) in THF
(15 ml) were added a solution of ammonium chloride (0.52 g, 9.8 mmol, 4 eq.) in water
(5 ml) and zinc (0.64 g, 9.8 mmol, 4 eq.). The mixture was stirred at 45 C for 2 h and
filtered. The filtrate was diluted with water and extracted as in Example 1(d). The
solvent was distilled off to afford the title product in 86 % yield (0.8 g).
c) N-(5-(5-cyano-1H-benzo[d]imidazolyl)-2',4'-difluoro-[1,1'-biphenyl]yl)-
acetamide
A mixture of the compound of Example 313(b) (0.8 g, 2.11 mmol) and formic
acid (10 ml) was heated at 100 C for 4 h. The formic acid was distilled off and the
crude was dissolved in ethyl acetate. The ethyl acetate layer was washed with water,
brine and dried over sodium sulphate. The solvent was distilled off to afford the crude
residue in 97 % yield (0.8 g).
d) N-(2',4'-difluoro(5-(N-hydroxycarbamimidoyl)-1H-benzo[d]imidazolyl)-
[1,1'-biphenyl]yl)acetamide
To a solution of the compound of Example 313(c) (0.1 g, 0.25 mmol) in ethanol
was added hydroxylamine hydrochloride (20 mg, 0.28 mmol, 1.1 eq.) and Et N (0.1 ml,
0.75 mmol, 3 eq.) and the mixture was heated at 80 C for 3 h. The volatiles were
distilled off and the crude solid obtained was washed several times with diethyl ether to
afford the title compound in 100 % yield (0.11 g).
e) N-(2',4'-difluoro(5-(5-methyl-1,2,4-oxadiazolyl)-1H-benzo[d]imidazol-
1-yl)-[1,1'-biphenyl]yl)acetamide
To a solution of the compound of Example 313(d) (0.1 g, 0.237 mmol) in TFA
(1 ml) was added trimethylortho acetate (5 ml) and the mixture was heated at 100 C for
4 h. The volatiles were distilled off and the crude product obtained was extracted with
ethyl acetate and water and dried over sodium sulphate and the residue was purified by
preparative HPLC to give the pure product in 6.6 % yield (6.6 mg). LC-MS (ESI):
Calculated mass: 445.14; Observed mass: 446.1 [M+H] (rt: 1.15 min).
Example 314.
N-(2', 4’-difluoro(6-(1-methyl-1H-pyrazolyl)-3H-imidazo [4, 5-b] pyridin-
3-yl)-[1, 1’-biphenyl]yl)(3, 5-dimethylpiperazinyl) acetamide
The compound was prepared from the compound of Example 132(a) (60 mg,
0.149 mmol) using the procedure of Example 225 and 2-(3,5-dimethylpiperazin
yl)acetic acid (30 mg, 0.179 mmol, 1.2 eq) to give the product in 21.9 % yield (18 mg).
LC-MS (ESI): Calculated mass: 556.25; Observed mass: 557.2 [M+H] (rt: 0.67 min).
Example 315.
N-(2',4'-difluoro(6-(1-methyl-1H-pyrazolyl)-3H-imidazo[4,5-b]pyridin
yl)-2',3'-dihydro-[1,1'-biphenyl]yl)(4-ethylpiperazinyl)acetamide
The compound was prepared from N-(5-(6-bromo-3H-imidazo[4,5-b]pyridin
yl)-2',4'-difluoro-[1,1'-biphenyl]yl)(4-ethylpiperazinyl)acetamide (300 mg,
0.540 mmol) using the method of Example 1(i) to give the product in 11.6 % yield (35
mg ). NMR (400 MHz, DMSO-D6): δ 9.40 (brs,1H), 8.96 (s,1H), 8.740 (d,1H), 8.44
(d,1H), 8.38 (s,1H), 8.33 (s,1H), 8.07 (s,1H), 8.97 (s,1H), 7.794-7.713 (m,2H), 7.48
(t,1H), 7.31 (t,1H), 3.93 (s,3H), 3.44 (s,2H), 3.19-3.12 (m,8H), 2.71 (q,2H), 1.24 (t,3H),
LC-MS (ESI): Calculated mass: 558.6; Observed mass: 557.0 [M-H] (rt: 0.21 min).
Example 316.
N-(2', 4’-difluoro(6-(1-methyl-1H-pyrazolyl)-3H-imidazo[4,5-b]pyridin
yl)-[1,1’-biphenyl]yl)(4-methylpiperazinyl)acetamide
The compound was prepared from the compound of Example 132(a) (75 mg,
0.186 mmol) using the procedure of Example 225 and 2-(4-methylpiperazinyl)acetic
acid (44.2 mg, 0.279 mmol, 1.5 eq) to give the product in 34.6 % yield (35 mg). H
NMR (400 MHz, DMSO- d ): δ 10.29 (s, 1H), 8.94 (s, 1H), 8.72 (d, 1H), 8.42-8.31 (d,
3H), 8.05 (s, 1H), 7.93(s, 1H), 7.77-7.71 (m, 2H), 7.49-7.43 (m, 1H), 7.29 (t, 1H), 3.90
(s, 3H), 3.17-3.11 (m, 4H), 2.80 (s, 3H), 2.67 (m,2H), 2.50 (m,4H); LC-MS (ESI):
Calculated mass: 542.58; Observed mass: 543.1 [M+H] (rt: 0.252 min).
Example 317.
1-Cyclopentyl(2',4’-difluoro(6-(1-methyl-1H-pyrazolyl)-3H-imidazo-
[4,5-b]pyridinyl)-[1,1’-biphenyl]yl)urea
To a solution of the compound of Example 132(a) (65 mg, 0.1616 mmol) in
DCM was added diisopropylamine (89 mg, 0.485 mmol, 3 eq) and cyclopentyl iso-
cyanate (19.7 mg, 0.1778 mmol, 1.1 eq). The mixture was stirred for 16 h, and quenched
and extracted as in Example 2(b). The solvent was distilled off to give the crude residue
which was purified by preparative HPLC to give the product in 12 % yield (10 mg). H
NMR (400 MHz, DMSO- d ): δ8.92 (s, 1H), 8.71 (t, 1H), 8.41 (d, 1H), 8.30 (s, 1H),
8.05 (t, 1H), 7.72-7.66 (m, 1H), 7.56 (s, 1H), 7.46-7.40 (m, 1H), 7.27-7.24 (m, 2H), 6.30
(s, 1H), 3.93 (s, 3H), 3.10 (m, 1H), 1.87-1.81 (m,2H), 1.65-1.53 (m,4H), 1.43-1.37
(m,2H); LC-MS (ESI): Calculated mass: 513.54; Observed mass: 514.5 [M+H] (rt:
1.56 min).
Example 318.
N-(2',4’-difluoro(6-(1-methyl-1H-pyrazolyl)-3H-imidazo[4,5-b] pyridin
yl)-[1,1’-biphenyl]yl)(piperazinyl)acetamide
a) tert-butyl 4-(2-((2',4’-difluoro(6-(1-methyl-1H-pyrazolyl)-3H-imidazo
[4,5-b] pyridinyl)-[1, 1’-biphenyl]yl)amino)oxoethyl)piperazinecarboxylate
The compound was prepared from the compound of Example 132(a) (120 mg,
0.298 mmol) using the method of Example 225 and 2-(4-(tert-butoxycarbonyl)piper-
azinyl)acetic acid (145 mg, 0.597 mmol, 2 eq) to give the product in 10.6 % yield (20
mg). LC-MS (ESI): Calculated mass: 628; Observed mass: 629.1 [M+H] (rt: 1.056
min).
b) N-(2', 4’-difluoro(6-(1-methyl-1H-pyrazolyl)-3H-imidazo[4,5-b]
pyridinyl)-[1,1’-biphenyl]yl)(piperazinyl)acetamide
To a solution of the compound of Example 318(a) (12 mg,0.0191 mmol) in
DCM was added TFA (1 ml) and the mixture was stirred at RT for 16 h. The mixture
was concentrated to give the product in 98 % yield (10 mg). H NMR (400 MHz,
DMSO- d ): δ 10.3 (s, 1H), 8.93 (s, 1H), 8.70 (d, 2H), 8.41-8.07 (d, 1H), 8.35 (t, 1H),
8.29 (s, 1H), 8.03 (s, 1H), 7.94-7.93 (d, 1H), 7.76-7.68 (m, 2H), 7.47-7.42 (m, 1H),
7.30-7.25 (m, 1H), 3.89 (s,3H), 3.50 (s,2H), 3.21 (s,4H), 2.92 (s,4H); LC-MS (ESI):
Calculated mass: 528.22; Observed mass: 529.2[M+H] (rt: 0.182 min).
Example 319.
N-(2', 4’-difluoro(6-(1-methyl-1H-pyrazolyl)-3H-imidazo [4, 5-b] pyridin-
3-yl)-[1, 1’-biphenyl]yl)methylpiperidinecarboxamide
The compound was prepared from the compound of Example 132(a) (75 mg,
0.1865 mmol) using the method of Example 225 and 1-methylpiperidinecarboxylic
acid (40 mg, 0.27 mmol, 1.5 eq) to give the product in 15 % yield (15 mg) . H NMR
(400 MHz, CD OD): δ 8.97(s, 1H), 8.67 (s, 1H), 8.31 (t, 1H), 8.28 (s, 1H), 8.10 (s, 1H),
7.93 (s, 1H), 7.81 (t, 1H), 7.74 (s, 1H), 7.65-7.59 (m, 1H), 7.13-7.07 (m, 2H), 3.96 (s,
3H), 3.66-3.63 (m, 2H), 3.14-3.07 (m,2H), 2.92 (s,3H), 2.79-2.73 (m,1H), 2.24-2.01
(m,4H); LC-MS (ESI): Calculated mass: 527.22; Observed mass: 528.0 [M+H] (rt:
0.20 min).
Example 320.
N-(2', 4’-difluoro(5-(1-methyl-1H-pyrazolyl)-1H-benzo[d]imidazolyl)-
2',3'-dihydro-[1,1'-biphenyl]yl)(4-ethylpiperazinyl)acetamide
The compound was prepared from the compound of Example 132(a) (100 mg,
0.249 mmol) using the procedure of Example 225 and 2-(4-ethylpiperazinyl)acetic
acid (85 mg, 0.498, mmol, 2.0 eq.) to give the product in 38 % yield (40 mg).
Example 321.
N-(5-(5-(4-ethylpiperazinyl)-1H-benzo[d]imidazolyl)-2',4'-difluoro-[1,1'-
biphenyl]yl)cyclopropanesulfonamide (
To a solution of the compound of N-(5-(5-bromo-1H-benzo[d]imidazolyl)-
2',4'-difluoro-[1,1'-biphenyl]yl)cyclopropanesulfonamide (110 mg, 0.198 mmol) in
DMSO was added potassium carbonate (54 mg, 0.391 mmol, 2.0 eq.). The mixture was
degassed by N bubbling for 10 min followed by addition of 1-ethylpiperazine (68 mg,
0.595 mmol, 3.0 eq.) and L-proline (4.5 mg) and CuI (3 mg). Then seal tube was closed
and the mixture was kept at 95 °C for 24 h. The mixture was quenched and extracted as
in Example 1(d). The solvent was distilled off to afford the crude residue which was
purified by preparative HPLC to give the product in 18 % yield (20 mg). H NMR (400
MHz, DMSO-D6): δ10.3 (s,1H), 8.98 (s,1H), 7.77 (m,1H), 7.66 (s,1H), 7.60 (brs,2H),
7.50 (brs,2H), 7.41 (s,1H), 7.33-7.27 (m,2H), 3.60 (m,4H), 3.29-3.20 (m,4H), 3.02
(q,2H), 2.90 (t,1H), 1.30 (t,3H), 1.04 (q,4H), LC-MS (ESI): Calculated mass: 537.62;
Observed mass: 538.1 [M+H]
Example 322.
N-(2',4'-difluoro(5-(3-hydroxypyrrolidinyl)-1H-benzo[d]imidazolyl)-
2',3'-dihydro-[1,1'-biphenyl]yl)cyclopropanesulfonamide
The compound was prepared as in Example 321 using (S)-pyrrolidinol to give
the pure product in 12 % yield (12 mg). NMR (400 MHz, DMSO-D6): δ 8.52 (s,1H),
7.77 (q,1H), 7.56 (d,3H), 7.51-7.46 (m,2H), 7.29 (t,1H), 6.82 (s,1H), 6.73 (d,1H), 5.01
(d,1H), 4.45 (s,1H), 3.52 (q,1H), 3.35 (s,1H), 3.14 (d,1H), 2.87 (q,1H), 2.12-2.09
(m,1H), 1.96-1.94 (m,1H), 1.03 (d,4H), LC-MS (ESI): Calculated mass: 512.1;
Observed mass: 510 [M-H] (rt: 0.42 min).
Example 323.
N-(5-(5-(1-cyclopentyl-1H-pyrazolyl)-1H-benzo[d]imidazolyl)-2',4'-di-
fluoro-[1,1'-biphenyl]yl)ethane sulfonamide
The title compound was prepared from the title compound of Example 200(b)
using the procedures of Example 1(i). H NMR (400 MHz, CD OD) : δ 8.51 (s, 1H),
8.09 (s, 1H), 7.92 (s, 1H), 7.88 (s, 1H), 7.68-7.62 (m, 3H), 7.58 (d, 1H), 7.51 (dd, 2H),
7.15-7.10 (m, 2H), 4.75-4.72 (m, 1H), 3.24 (quartet, 2H), 2.23-2.19 (m, 2H), 2.06-2.01
(m, 2H), 1.94-1.90 (m, 2H), 1.77-1.73 (m, 2H), 1.36 (t, 2H) ; LC-MS (ESI): Calculated
mass: 547.19 ; Observed mass: 548.1 [M+H] (rt: 1.66 min).
Example 324.
N-(5-(6-(1-cyclopentyl-1H-pyrazolyl)-3H-imidazo[4,5-b]pyridinyl)-2',4'-
difluoro-[1,1'-biphenyl]yl)ethanesulfonamide
a) N-(5-(6-bromo-3H-imidazo[4,5-b]pyridinyl)-2',4'-difluoro-[1,1'-biphenyl]-
3-yl)ethanesulfonamide
To a solution of 5-(6-bromo-3H-imidazo[4,5-b]pyridinyl)-2',4'-difluoro-[1,1'-
biphenyl]amine (133 mg, 0.33 mmol) in DCM was added pyridine (52 mg, 0.66
mmol, 2.0 eq.) followed by ethanesulfonyl chloride (76 mg, 0.66 mmol, 2.0 eq.). The
mixture was stirred for 1 h, and quenched and extracted as in Example 2(b). The solvent
was distilled off to afford the crude residue which was taken to the next step without
further purification, yield 76.68 % (125 mg); LC-MS (ESI): Calculated mass: 492.01;
Observed mass: 493.0 [M+H] (rt: 1.72 min).
b) N-(5-(6-(1-cyclopentyl-1H-pyrazolyl)-3H-imidazo[4,5-b]pyridinyl)-
2',4'-difluoro-[1,1'-biphenyl]yl)ethanesulfonamide
The compound was prepared from the compound of Example 324(a) (125 mg,
0.25 mmol) using the method of Example 200(c) and 1-cyclopentyl(4,4,5,5-tetra-
methyl-1,3,2-dioxaborolanyl)-1H-pyrazole (136 mg, 0.50 mmol, 2.0 eq.) to give the
product in 21.73 % yield (30 mg). H NMR (400 MHz, DMSO-d6): δ 10.32 (s, 1H),
8.96 (s, 1H), 8.76-8.75 (d, 1H), 8.45-8.42 (t, 2H), 8.06 (s, 1H), 7.95-7.94 (t, 1H), 7.77-
7.70 (m, 2H), 7.49-7.43 (m, 2H), 7.28 (t, 1H), 4.74-4.70 (t, 1H), 3.31-3.26 (q, 2H), 2.14-
2.09 (m, 2H), 2.00-1.95 (m, 2H), 1.84-1.81 (m, 2H), 1.68-1.65 (m, 2H), 1.28-1.24 (t, 3H
); LC-MS (ESI): Calculated mass: 548.18; Observed mass: 549.1 [M+H] (rt: 1.70 min).
Example 325.
2-(4-(1-(5-amino-2',4’-difluoro-[1,1’-biphenyl]yl)-1H-benzo[d]imidazol
yl)-1H-pyrazolyl)ethanol
To a solution of N-(2',4'-difluoro(5-(1-(2-((tetrahydro-2H-pyranyl)oxy)-
ethyl)-1H-pyrazolyl)-1H-benzo[d]imidazolyl)-[1,1'-biphenyl]yl)acetamide (0.12
g, 0.125 mmol) in methanol (5 ml) was added (1 ml) acetyl chloride at 0 °C. The
mixture wasstirred at RT for 16 h. The mixture was quenched and extracted as in
Example 1(d). The solvent was distilled off to afford the product in 28 % yield (0.026
g). H NMR (400 MHz, DMSO-d ): δ 8.53 (s, 1H), 8.20 (s, 1H), 7.97-7.95 (d, 2H),
7.69-7.64 (m, 2H), 7.59-7.56 (dd, 1H), 7.39-7.36 (m, 1H), 6.88 (s, 2H), 6.82 (d, 1H),
.70 (s, 2H), 4.95 (s, 1H), 4.19-4.16 (t, 2H), 3.81-3.78 (t, 2H); LC-MS (ESI): Calculated
mass: 431.44; Observed mass: 432.2 [M+H] (rt: 0.4 min).
Example 326.
N-(5-(5-(1H-pyrazolyl)-1H-benzo[d]imidazolyl)-2',4'-difluoro-[1,1'-bi-
phenyl]yl)acetamide
The compound was prepared from the title compound of Example 1(h) using the
procedures of Example 1(i). H NMR (400 MHz, DMSO-d ): δ 10.43 (s, 1H), 9.0 (s,
1H), 8.17 (s, 2H), 8.13 (m, 1H), 8.06 (s, 1H), 7.82 (s, 1H), 7.74-7.73(m, 3H), 7.55(s,
1H), 7.5-7.42(m, 1H), 7.3-7.26(dt, 1H), 2.12(s, 3H): LC-MS (ESI): Calculated mass:
429.42; Observed mass: 429.8 [M+H] (rt: 0.6 min).
Example 327.
N-(5-(5-(1H-pyrazolyl)-1H-benzo[d]imidazolyl)-2',4'-difluoro-[1,1'-bi-
phenyl]yl)acetamide
The title compound was prepared from the title compound of Example 1(h)
using the procedures of Example 1(i).
Example 328.
N-(2', 4’-difluoro(5-(6-oxo-1,6-dihydropyridinyl)-1H-benzo[d]imidazol
yl)-[1,1’-biphenyl]yl)(1H-1, 2, 4-triazolyl) acetamide
a) N-(5-(5-(6-(benzyloxy)-1,6-dihydropyridinyl)-1H-benzo[d]imidazolyl)-
2',4'-difluoro-[1,1'-biphenyl]yl)acetamide
The compound was prepared from the compound of Example 1(h) (2 g, 4.5
mmol) using the procedures of Example 200(c) and 2-(benzyloxy)(4,4,5,5-tetra-
methyl-1,3,2-dioxaborolanyl)-1,2-dihydropyridine (1.68 g, 5.4 mmol, 1.2 eq) to yield
the product in 50 % yield (1.2 g). LC-MS (ESI): Calculated mass: 548.2; Observed
mass: 549.4 [M+H] (rt: 0.302 min).
b) 5-(5-(6-(benzyloxy)-1, 6-dihydropyridinyl)-1H-benzo[d]imidazolyl)-2',
4’-difluoro-[1, 1’-biphenyl]amine
The compound was prepared from the compound of Example 328(a) (1.1 g, 2.00
mmol) using the procedure of Example 2(a) to afford the product in 50 % yield (0.7 g).
c) N-(5-(5-(6-(benzyloxy)-1,6-dihydropyridinyl)-1H-benzo[d]imidazolyl)-
2',4'-difluoro-[1,1'-biphenyl]yl)(1H-1,2,4-triazolyl)acetamide
The compound was prepared from the compound of Example 328(b) (100 mg,
0.1984 mmol) using the procedure of Example 225 to give the product in 65 % yield (80
mg). LC-MS (ESI): Calculated mass: 613; Observed mass: 614 [M+H] (rt: 1.681 min).
d) N-(2', 4’-difluoro(5-(6-oxo-1, 6-dihydropyridinyl)-1H-benzo[d]imida-
zolyl)-[1, 1’-biphenyl]yl)(1H-1, 2, 4-triazolyl) acetamide
The solution of the compound of Example 328(c) (60 mg,0.0975 mmol) in TFA
was heated at 50 °C for 16 h. The mixture was concentrated to give the product in 50 %
yield (30 mg). H NMR (400 MHz, DMSO- d ): δ 8.94 (s, 1H), 8.61 (s, 1H), 8.11 (s,
1H), 8.04-7.94 (m, 3H), 7.81-7.75 (m, 4H), 7.63 (d, 2H), 7.49-7.44 (m, 1H), 7.28 (t,
1H), 6.46 (d, 1H), 5.24 (s, 2H), LC-MS (ESI): Calculated mass: 523.16; Observed mass:
524.1 [M+H] (rt: 0.343 min).
Example 329.
1-(2',4'-difluoro(5-(6-oxo-1,6-dihydropyridinyl)-1H-benzo[d]imidazol
yl)-[1,1'-biphenyl]yl)(furanylmethyl)urea
a) 1-(5-(5-(6-(benzyloxy)pyridinyl)-1H-benzo[d]imidazolyl)-2',4'-difluoro-
[1,1'-biphenyl]yl)(furanylmethyl)urea
To a solution of 5-(5-(6-(benzyloxy)-1,6-dihydropyridinyl)-1H-benzo[d]imi-
dazolyl)-2',4’-difluoro-[1,1’-biphenyl]amine (75 mg, 0.148 mmol) in DCM was
added furfuryl isocyanate (19 mg, 0.163 mmol, 1.1 eq.). The mixture was stirred
overnight and quenched and and extracted as in Example 2(b). The solvent was distilled
off to afford the crude residue which was recrystallized in ether to afford the title
compound in 86 % yield (80 mg).
b) 1-(2',4'-difluoro(5-(6-oxo-1,6-dihydropyridinyl)-1H-benzo[d]imidazol-
1-yl)-[1,1'-biphenyl]yl)(furanylmethyl)urea
To a solution of the compound of Example 329(a) (80mg) in THF (5 ml) and
ethanol (5 ml) was added 10 % palladium on carbon (10 mg) followed by 20 %
palladium hydroxide (10 mg). The mixture was stirred under hydrogen atmosphere for 2
h. The reaction mass was filtered through a bed of celite and concentrated to afford the
crude product which was purified by silica gel (60-120) column chromatography using 6
% MeOH in chloroform as eluant to afford the product in 58 % yield (40 mg).
Example 330.
N-(2', 4’-difluoro(5-(1-(2-hydroxyethyl)-1H-pyrazolyl)-1H-benzo[d]-
imidazolyl)-[1,1’-biphenyl]yl) methane sulfonamide
To a solution of N-(2',4'-difluoro(5-(1-(2-((tetrahydro-2H-pyranyl)oxy)-
ethyl)-1H-pyrazolyl)-1H-benzo[d]imidazolyl)-[1,1'-biphenyl]yl)methanesulfon-
amide (0.15 g, 0.252 mmol) in methanol (5 ml) was added acetyl chloride (1 ml) at 0 °C
as in Example 1(d). The solvent was distilled off to afford the product (0.063 g). H
NMR (300 MHz, DMSO-d ): δ 8.64 (s, 1H), 8.22 (s, 1H), 8.00-7.97 (d, 2H), 7.80-7.69
(m, 2H), 7.67-7.61 (m, 1H), 7.59-7.60 (d, 1H), 7.53 (s, 2H), 7.47-7.41 (m, 2H), 7.29-
7.25 (t, 1H), 4.97-4.95 (t, 1H), 4.18-4.15 (m,2H), 3.80-3.78 (m,2H), 3.14 (s,3H)
Calculated mass: 509.1; Observed mass: 510.3 [M+H] (rt: 1.18 min).
Example 331.
N-(2',6'-difluoro(6-(1-(piperidinyl)-1H-pyrazolyl)-3H-imidazo[4,5-b]-
pyridinyl)-[1,1'-biphenyl]yl)acetamide
a) tert-butyl 4-(4-(3-(5-acetamido-2',6'-difluoro-[1,1'-biphenyl]yl)-3H-imi-
dazo[4,5-b]pyridinyl)-1H-pyrazolyl)piperidinecarboxylate
The title compound was prepared from the title compound of Example 209(c)
using the procedures of Example 209(d).
b) N-(2',6'-difluoro(6-(1-(piperidinyl)-1H-pyrazolyl)-3H-imidazo[4,5-
b]pyridinyl)-[1,1'-biphenyl]yl)acetamide
A solution of the compound of Example 331(a) (180 mg,0.293 mmol) in TFA
was stirred at RT for 16 h. The mixture was concentrated to give the crude product
which was purified by preparative HPLC to afford the product in 13 % yield (20 mg).
H NMR (400 MHz, DMSO-d ): δ 10.41 (s, 1H), 8.87 (s, 1H), 8.77-8.76 (d, 1H), 8.7-
8.5 (br, 1H), 8.42 (s, 1H), 8.36 (m, 1H), 8.14 (s, 1H), 7.75 (s, 1H),7.69 (s, 1H), 7.55 (m,
1H),7.31-7.27(t, 2H),4.58-4.44(m,1H),3.17-3.09(m,4H), 2.32-2.16(m, 4H), 2.11(s,3H)
Calculated mass: 513.54; Observed mass: 514.3 [M+H] (rt: 1.32 min).
Example 332.
1-(5-Acetamido-2',4'-difluoro-[1,1'-biphenyl]yl)-1H-benzo[d]imidazole
carboxylic acid
a) Methyl 4-((5-acetamido-2',4'-difluoro-[1,1'-biphenyl]yl)amino)nitro-
benzoate
A solution of N-(5-amino-2',4'-difluoro-[1,1'-biphenyl]yl)acetamide (1.0 g,
3.813 mmol), methyl 4-fluoronitrobenzoate (0.835 g, 4.194 mmol, 1.1 eq.) and
potassium fluoride (0.265 g, 4.457 mmol, 1.2 eq.) in DMF was heated at 130 C for 16
h. The mixture was quenched and extracted as in Example 1(d). The solvent was
distilled off to give the crude residue which was purified by column chromatography
(60-120 silica gel, 40 % ethyl acetate in hexane) to give the product in 48.78 % yield
(0.82 g).
b) Methyl 1-(5-acetamido-2',4'-difluoro-[1,1'-biphenyl]yl)-1H-benzo[d]-
imidazolecarboxylate
The compound was prepared from the compound of Example 332(a) using the
methods of Example 1(g) and 1(h) to give the product in 91.3 % yield (0.58 g). H
NMR (300 MHz, DMSO-d ): δ 10.21 (s, 1H), 8.89 (s, 1H), 8.38 (s, 1H), 8.14 (s, 1H),
8.03 (s, 1H), 7.86-7.83 (d, 2 H), 7.79-7.75 (m, 2H), 7.53 (s, 2H), 7.26-7.25 (m, 1H),
2.10 (s, 3H); LC-MS (ESI): Calculated mass: 421.4; Observed mass: 422 [M+H] (rt:
1.52 min).
c) 1-(5-Acetamido-2',4'-difluoro-[1,1'-biphenyl]yl)-1H-benzo[d]imidazole
carboxylic acid
To a solution of the compound of Example 332(b) (0.1 g, 0.24 mmol, 1 eq.) in
THF (10 ml), methanol (6 ml) and water (4 ml) was added LiOH (0.049 g, 1.18 mmol, 5
eq.) The mixture was stirred at RT overnight. The reaction mass was diluted with water
and extracted as in Example 1(d). The solvent was distilled off to afford the product in
26 % yield (0.025 g). H NMR (400 MHz, DMSO-d ): δ 12.92 (s, 1H), 10.38 (s, 1H),
8.79 (s, 1H), 8.34 (s, 1H), 8.07 (s, 1H), 7.98-7.96 (d, 1H), 7.87 (s, 1H), 7.78-7.73 (m,
2H), 7.52-7.41 (m, 2H), 7.28-7.24 (t, 1H), 2.11 (s, 3H); LC-MS (ESI): Calculated mass:
407.11; Observed mass: 408.4 [M+H] (rt: 1.01 min).
Example 333.
N-(5-(5-(4-bromo-1H-pyrazolyl)-1H-benzo[d]imidazolyl)-4'-fluoro-[1,1'-
biphenyl]yl)acetamide
To a solution of the compound of Example 70 (4 g, 9.73 mmol) in acetic acid
(40 ml) bromine (1.53 g, 9.73 mmoles) in acetic acid (10 ml) was added dropwise at RT.
The reaction was stirred at RT for 1 h, cold water was added and the solid obtained was
filtered and dried to afford the title product in 63.15 % yield (3 g). H NMR (300 MHz,
DMSO-d ): δ 10.42 (s, 1H), 8.88 (s, 2H), 8.24 (s, 1H), 8.23 (s, 1H), 8.0 (s, 1H), 7.92-
7.85 (m, 3H), 7.85-7.78 (m, 3H), 7.66 (s, 1H), 7.4-7.3 (m, 2H), 2.13 (s, 3H); LC-MS
(ESI): Calculated mass: 490.33; Observed mass: 491.7 [M+H] (rt: 1.66 min).
Example 334.
N-(5-(6-(1-cyclopentyl-1H-pyrazolyl)-3H-imidazo[4,5-b]pyridinyl)-2',4'-
difluoro-[1,1'-biphenyl]yl)methanesulfonamide
a) N-(5-(6-bromo-3H-imidazo[4,5-b]pyridinyl)-2',4'-difluoro-[1,1'-biphenyl]-
3-yl)methanesulfonamide
To a solution of 5-(6-bromo-3H-imidazo[4,5-b]pyridinyl)-2',4'-difluoro-[1,1'-
biphenyl]amine (133 mg, 0.33 mmol) in DCM was added pyridine (52 mg, 0.66
mmol, 2.0 eq.) followed by methanesulfonyl chloride (76 mg, 0.66 mmol, 2 eq.). The
reaction was stirred for 1 h, and quenched and extracted as in Example 2(b). The solvent
was distilled off to afford the crude residue which was taken next step without further
purification. Yield 75.0 % (120 mg) . H NMR (300 MHz, DMSO-d ): δ 10.30 (s, 1H),
9.30 (s, 1H), 8.56 (s, 1H), 7.83 (s, 1H), 7.45 (s, 1H), 7.44 (s, 2 H), 3.16 (s, 3H); LC-MS
(ESI): Calculated mass: 479.5; Observed mass: 480.2 [M+H] (rt: 1.59 min).
b) N-(5-(6-(1-cyclopentyl-1H-pyrazolyl)-3H-imidazo[4,5-b]pyridinyl)-
2',4'-difluoro-[1,1'-biphenyl]yl)methanesulfonamide
The compound was prepared from the compound of Example 334(a) (0.120 g,
0.25 mmol) using the procedure of Example 200(c) and 1-cyclopentyl(4,4,5,5-tetra-
methyl-1,3,2-dioxaborolanyl)-1H-pyrazole (0.253 g, 0.50 mmol, 2.0 eq) to afford the
crude residue which was purified by preparative HPLC to give the product 19 % yield
(0.026 g). H NMR (400 MHz, DMSO-d ): δ 10.29 (s, 1H), 8.96 (s, 1H), 8.75 (d, 1H),
8.44-8.41 (d, 2H), 8.05 (s, 1H), 7.93 (s, 1H), 7.79 (s, 1H), 7.74-7.72 (m, 1H), 7.46-7.41
(m, 2H), 7.28 (t, 1H), 4.74-4.70 (t, 1H), 3.17 (s, 3H), 2.14-2.09 (m, 2H), 2.00-1.95 (m,
2H), 1.84-1.80 (m, 2H), 1.68-1.65(m, 2H); LC-MS (ESI): Calculated mass: 534.16;
Observed mass: 535.1 [M+H] (rt: 1.70 min).
Example 335.
N-(5-(6-(1-cyclopentyl-1H-pyrazolyl)-3H-imidazo[4,5-b]pyridinyl)-2',4'-
difluoro-[1,1'-biphenyl]yl)cyclopropanesulfonamide
The compound was prepared using the procedures of Example 334 starting from
-(6-bromo-3H-imidazo[4,5-b]pyridinyl)-2',4'-difluoro-[1,1'-biphenyl]amine (133
mg, 0.33 mmol) and using cyclopropanesulfonyl chloride (20 mg, 0.66 mmol, 2.0 eq.)
and 1-cyclopentyl(4,4,5,5-tetramethyl-1,3,2-dioxaborolanyl)-1H-pyrazole (0.115
g, 0.43 mmol, 2.0 eq.) to give the crude residue which was purified by preparative
HPLC to give the product in 27.86 % yield (34 mg). H NMR (400 MHz, DMSO-d ): δ
.26 (s, 1H), 8.96 (s, 1H), 8.76-8.75 (d, 1H), 8.45-8.42 (t, 2H), 8.06 (s, 1H), 8.00-7.99
(d, 1H), 7.78-7.70 (m, 2H), 7.49-7.43 (m, 2H), 7.31-7.26 (t, 1H), 4.74-4.70 (t, 1H), 2.84
(m, 1H), 2.14-2.08 (m, 2H), 2.00-1.96 (m, 2H), 1.84-1.81 (m, 2H), 1.69-1.65 (m, 2H),
1.09-1.02 (m, 4H); LC-MS (ESI): Calculated mass: 560.18; Observed mass: 561.2
[M+H] (rt: 1.70 min).
Example 336.
N-(2',4'-difluoro(5-(1-methyl-1H-pyrazolyl)-1H-benzo[d]imidazolyl)-
[1,1'-biphenyl]yl)methoxyacetamide
The title compound was prepared from the compound of Example 2(a) using the
procedures of Example 205. H NMR (300 MHz, DMSO- d ): δ 10.28 (s, 1H), 8.99 (s,
1H), 8.23 (d, 2H), 8.03-7.98 (m, 3H), 7.80-7.67 (m, 3H), 7.60 (s, 1H), 7.47 (t, 1H), 7.29
(t, 1H), 4.09 (s, 3H), 3.89 (s, 3H), 3.42 (s, 2H) ; LC-MS (API): Calculated mass:
473.17; Observed mass: 474.1 [M+H] (rt: 0.90 min).
Example 337.
N-(5-(5-(1H-pyrazolyl)-1H-benzo[d]imidazolyl)-2',4'-difluoro[1,1'-bi-
phenyl]yl)ethanesulfonamide
a) N-(2',4'-difluoro((2-nitro(1H-pyrazolyl)phenyl)amino)-[1,1'-bi-
phenyl]yl)acetamide
To a solution of the compound of Example 168(b) (0.8 g, 1.66 mmol) in ethanol
(15 ml) was added hydrazine (7 ml) and stirred at RT overnight. The mixture was
purified by silica gel chromatography using 1 % MeOH in chloroform as eluant to
afford the product in 62 % yield (0.46 g).
b) N-(5-((2-amino(1H-pyrazolyl)phenyl)amino)-2',4'-difluoro-[1,1'-bi-
phenyl]yl)acetamide
To a solution of the compound of Example 337(a) (0.46g, 1.02 mmol) in THF (3
ml) and methanol (3 ml) was added 10 % palladium on carbon. The mixture was stirred
under hydrogen atmosphere for 4 h. The mixture was filtered through a bed of celite and
concentrated to afford the product in 66 % yield (0.28 g).
c) N-(5-(5-(1H-pyrazolyl)-1H-benzo[d]imidazolyl)-2',4'-difluoro-[1,1'-
biphenyl]yl)acetamide
A mixture of the compound of Exampe 337(b) (0.3 g, 0.69 mmol) and formic
acid (3 ml) was heated at 80 °C for 2 h. The formic acid was distilled off and the crude
product was extracted with DCM. The solvent was distilled off to afford the product in
95 % yield (0.3 g).
d) 5-(5-(1H-pyrazolyl)-1H-benzo[d]imidazolyl)-2',4'-difluoro-[1,1'-bi-
phenyl]amine
A solution of the compound of Exampe 337(c) (0.26 g, 0.465 mmol) in ethanol
(3 ml) was added 1:1 HCl solution and heated at 80 °C for 1 h. The mixture was
basified with saturated NaHCO solution and extracted with DCM (2x15 ml). The DCM
layer was concentrated to afford the product in 80 % yield (0.28 g).
e) N-(5-(5-(1H-pyrazolyl)-1H-benzo[d]imidazolyl)-2',4'-difluoro-[1,1'-
biphenyl]yl)ethanesulfonamide
To a solution of the compound of Exampe 337(d) (100 mg, 0.25 mmol) in DCM
was added pyridine 0.2 ml followed by ethanesulfonyl chloride (33 mg, 0.25 mmol, 1.0
eq.). The mixture was stirred for 1 h, quenched with water and extracted with DCM (3 ×
10 ml). The combined organic layer was concentrated and the crude material was stirred
with 10 % NaOH solution (3 ml) for 1 h and washed with water, brine and dried over
sodium sulphate. The aqueous layer was extracted with DCM (2x10 ml). The solvent
was distilled to afford the crude material which was purified by preparative HPLC to
afford the title product. H NMR (400 MHz, DMSO- d ): δ 13 -12.5 (brs, 1H), 10.4-10.2
(brs, 1H), 8.69 (s, 1H), 8.21 (s, 1H), 7.87-7.86 (m, 1H), 7.79-7.71 (m, 3H), 7.56 (m, 2),
7.42-7.42 (m, 2H), 7.3-7.25 (dt, 1H), 6.81 (d, 1H), 3.35-3.25(q,2H),1.27-1.24 (t, 3H);
LC-MS (API): Calculated mass: 479.5; Observed mass: 480.3 [M+H] (rt: 1.32 min).
Example 338.
N-(5-(5-(1H-pyrazolyl)-1H-benzo[d]imidazolyl)-2',4'-difluoro-[1,1'-bi-
phenyl]yl)methanesulfonamide
The compound was prepared from the compound of Example 208(a) using the
procedures of Example 208(b). H NMR (400 MHz, DMSO- d ): δ 8.68 (s, 1H), 8.2 (s,
1H), 7.87-7.85 (m, 1H), 7.76-7.72 (m, 3H), 7.51-7.49 (m, 2H), 7.44-7.4 (m, 2H), 7.3-
7.22 (dt, 1H), 6.81-6.8 (d, 1H), 3.11 (s, 3H) ; LC-MS (API): Calculated mass: 465.48 ;
Observed mass: 466.32 [M+H] (rt: 1.4min).
Example 339.
N-(5-(6-(6-aminopyridinyl)-3H-imidazo[4,5-b]pyridinyl)-2',4'-difluoro-
[1,1'-biphenyl]yl)methanesulfonamide
The compound was prepared from the compound of Example 334(a) using the
procedures of Example 246. H NMR (300 MHz, CD OD): δ 8.73 (s, 1H), 8.56 (s, 1H),
8.17 (d, 2H), 7.79-7.71 (m, 3H), 7.59-7.57 (m, 1H), 7.42 (m, 1H), 7.08-7.03 (m, 2H),
6.65-6.62 (m, 1H), 3.04 (s, 3H); LC-MS (ESI): Calculated mass: 492.12; Observed
mass: 493.0 [M+H] (rt: 0.20 min).
Example 340.
N-(2',5'-difluoro(5-(1-methyl-1H-pyrazolyl)-1H-benzo[d]imidazolyl)-
[1,1'-biphenyl]yl)ethanesulfonamide
The compound was prepared from 2',5'-difluoro(5-(1-methyl-1H-pyrazol
yl)-1H-benzo[d]imidazolyl)-[1,1'-biphenyl]amine (70 mg, 0.175 mmol) using the
procedure of Example 2(b) and ethanesulfonyl chloride (26 mg, 0.21 mmol, 1.2 eq.) to
give the pure product in 16.2 % yield (14 mg). NMR (400 MHz, DMSO-D6): δ10.35
(s,1H), 8.80 (s,1H), 8.23 (s,1H), 8.00 (s,1H), 7.96 (s,1H), 7.70 (d,1H), 7.65-7.60
(m,4H), 7.51 (s,2H), 7.49-7.39 (m,1H), 3.88 (s,3H), 3.30 (q,2H), 1.26 (t,3H), LC-MS
(ESI): Calculated mass: 493.53; Observed mass: 494.2 [M+H]+ (rt: 0.1.33 min).
Example 341.
N-(5-(6-(2-aminopyridinyl)-3H-imidazo[4,5-b] pyridinyl)-2',4’-difluoro-
[1,1’-biphenyl]yl) methane sulfonamide
To a solution of tert-butyl (5-(3-(2',4'-difluoro(methylsulfonamido)-[1,1'-bi-
phenyl]yl)-3H-imidazo[4,5-b]pyridinyl)pyridinyl)carbamate (0.2 g, 0.33 mmol)
in DCM (5 ml) was added TFA (1.2 ml) at 0 °C. The mixture was stirred at RT for 16 h.
The mixture was concentrated in vacuum, quenched with sodium bicarbonate and
extracted as in Example 1(d). The solvent was distilled off to afford the product in 16.9
% yield (0.28 g). H NMR (300 MHz, DMSO-d ): δ 10.30 (s, 1H), 9.04 (s, 1H), 8.73 (s,
1H), 8.46 (s, 1H), 8.00 (d, 1H), 7.91 (s, 1H), 7.79 (m, 2H), 7.44 (m, 2H), 7.30 (m, 1H),
6.95 (d, 1H), 6.82 (s, 1H), 6.06 (s, 2H), 3.17 (s,3H); LC-MS (ESI): Calculated mass:
492.50; Observed mass: 493.1 [M+H] (rt: 0.39 min).
Example 342.
N-(5-(5-(1H-pyrazolyl)-1H-benzo[d]imidazolyl)-2', 4’-difluoro-[1,1’-bi-
phenyl]yl)(pyrrolidinyl) acetamide
The compound was prepared from the compound of Example 29(a) (75 mg,
0.193 mmol) using the procedure of Example 225 and 2-(pyrrolidinyl)acetic acid
(37.3 mg, 0.289 mmol, 1.5 eq.) to give the product in 31.18 % yield (30 mg). H NMR
(600 MHz, CD OD): δ 8.62 (s, 1H), 8.29-8.28 (d, 1H), 8.17-8.16 (t, 1H), 8.12 (s, 1H),
7.85-7.83 (dd, 3H), 7.77-7.76 (d, 1H), 7.68-7.67 (m, 1H), 7.59 (s, 1H), 7.15-7.12 (m,
2H), 6.58-6.57 (t, 1H), 3.73 (s, 2H); 3.02 (t,4H); 2.00-1.94 (m,4H);LC-MS (ESI):
Calculated mass: 498.53, Observed mass: 499.6 [M+H] (rt: 0.6 min).
Example 343.
N-(5-(5-(2-aminopyridinyl)-1H-benzo[d]imidazolyl)-2',4’-difluoro-[1,1’-
biphenyl]yl) methane sulfonamide
The compound was prepared from 5-(1-(5-amino-2',4’-difluoro-[1,1’-biphenyl]-
3-yl)-1H-benzo[d]imidazolyl)pyridinamine (50 mg, 0.121 mmol) using the
method of Example 2(b) and methanesulfonyl chloride (27.7 mg, 0.242 mmol, 2.0 eq) to
give the product in 37.2 % yield (22 mg). H NMR (400 MHz, DMSO-d ): δ 10.42 (s,
1H), 8.84 (s, 1H), 8.29 (s, 1H), 8.04-8.20 (d, 3H), 7.89-7.87 (d, 1H), 7.81-7.74 (m, 2H),
7.61 (s, 1H), 7.57 (s, 1H), 7.47-7.44 (d, 2H), 7.39-7.38 (d, 1H), 7.31-7.26 (m,1H), 3.19
(s, 3H); LC-MS (ESI): Calculated mass: 491.51 Observed mass: 492.2 [M+H] (rt: 0.24
min).
Example 344.
N-(5-(5-(4-aminofluorophenyl)-1H-benzo[d]imidazolyl)-2',4'-difluoro-
[1,1'-biphenyl]yl)acetamide
The compound was prepared from the compound of Example 1(h) using the
procedures of Example 246. H NMR (300 MHz, DMSO-d ): δ 10.46 (s, 1H), 8.86 (s,
1H), 8.07 (s, 1H), 7.95 (s, 1H), 7.81-7.71 (m, 3H), 7.59 (d, 1H), 7.51-7.40 (m, 3H),
7.33-7.24 (m, 2H), 6.88-6.82 (m, 1H), 5.25 (brs, 2H), 2.12 (s, 3H); LC-MS (ESI):
Calculated mass: 472.15; Observed mass: 473.5 [M+H] (rt: 1.47 min).
Example 345.
N-(5-(5-(2-aminopyridinyl)-1H-benzo[d]imidazolyl)-2',4’-difluoro-[1,1’-
biphenyl]yl) ethane sulfonamide
The compound was prepared as in Example 343 using ethanesulfonyl chloride
(46.8 mg, 0.363 mmol, 2.0 eq.) to give the product in 36.1 % yield (33 mg). H NMR
(400 MHz, DMSO-d ): δ 10.35 (s, 1H), 8.84 (s, 1H), 8.29 (s, 1H), 8.04-7.99 (t, 3H),
7.88-7.86 (d, 1H), 7.81-7.73 (m, 2H), 7.59-7.58 (d, 1H), 7.48-7.44 (m, 2H), 7.39-7.31(d,
1H), 7.31-7.26 (m, 2H), 3.32-3.27 (q, 2H), 1.28-1.24 (t, 3H), LC-MS (ESI): Calculated
mass: 505.54; Observed mass: 506.3 [M+H] (rt: 0.2 min).
Example 346.
N-(5-(6-(2-aminopyridinyl)-3H-imidazo[4,5-b] pyridinyl)-2',4’-difluoro-
[1,1’-biphenyl]yl) ethanesulfonamide
The compound was prepared from tert-butyl (5-(3-(5-(ethylsulfonamido)-2',4'-
difluoro-[1,1'-biphenyl]yl)-3H-imidazo[4,5-b]pyridinyl)pyridinyl)carbamate
(0.2 g, 0.33 mmol) following the procedure of Example 290 to afford the product in
17.9 % yield (0.30 g). H NMR (300 MHz, DMSO-d ): δ 10.42 (s, 1H), 9.01 (s, 1H),
8.85 (s, 1H), 8.64. (s, 1H), 7.96 (d, 1H), 7.81-7.73 (m, 3H), 7.44-7.32 (m, 4H), 7.21 (m,
2H), 3.25-3.23 (q, 2H),1.26-1.23 (t, 3H), Calculated mass: 506.53; Observed mass:
507.3 [M+H] (rt: 0.2 min).
Example 347.
N-(5-(6-(6-aminopyridinyl)-3H-imidazo[4,5-b]pyridinyl)-2',4'-difluoro-
[1,1'-biphenyl]yl)ethanesulfonamide
The title compound was prepared as in Example 340 starting from N-(5-(6-
bromo-3H-imidazo[4,5-b]pyridinyl)-2',4'-difluoro-[1,1'-biphenyl]yl)ethanesulfon-
amide. H NMR (300 MHz, CD OD): δ 8.73 (s, 1H), 8.56 (s, 1H), 8.17 (d, 2H), 7.79-
7.71 (m, 3H), 7.59-7.57 (m, 1H), 7.42 (m, 1H), 7.08-7.03 (m, 2H), 6.65-6.62 (m, 1H),
3.04 (s, 3H); LC-MS (ESI): Calculated mass: 492.12; Observed mass: 493.0 [M+H]
(RT: 0.20 min).
Example 348.
1-(2',4'-difluoro(6-(1-methyl-1H-pyrazolyl)-3H-imidazo[4,5-b]pyridin
yl)-[1,1'-biphenyl]yl)(furanylmethyl)urea
To a solution of the compound of Example 132(a) (60 mg, 0.149 mmol) in
DCM was added DIPEA (0.1 ml, 0.447 mmol, 3 eq.) followed by 2-(isocyanato-
methyl)furan (22 mg, 0.179 mmol, 1.2 eq). The mixture was stirred for 16 h, and
quenched and extracted as in Example 2(b). The solvent was distilled off to afford the
crude residue which was purified by preparative HPLC to give the product in 44.87 %
yield (35 mg). H NMR (400 MHz, DMSO- d ): δ 9.02 (s, 1H), 8.92 (s, 1H), 8.71 (s,
1H), 8.4 (s, 1H), 8.30 (s, 1H), 8.10 (s, 1H), 8.04 (s, 1H), 7.72-7.67 (m,2H), 7.60 (d,2H),
7.43 (t, 1H), 7.25 (t, 1H), 6.73 (t,1H), 6.41 (s,1H), 6.3 (d,2H), 4.3 (d,2H), 3.90 (s,3H);
LC-MS (ESI): Calculated mass: 525.17; Observed mass: 526.3 [M+H] (rt: 1.49 min).
Example 349.
N-(2',4'-difluoro(5-(1-methyl-1H-imidazolyl)-1H-benzo[d]imidazolyl)-
[1,1'-biphenyl]yl)cyclopropanesulfonamide
The compound was prepared from the compound of Example 203(a) using the
procedures of Example 203(b). H NMR (400 MHz, DMSO-d6): δ 10.3 (s, 1H), 8.96 (s,
1H), 8.25 (s, 1H), 8.02 (s, 1H), 7.98 (s, 1H), 7.77-7.66 (m, 2H), 7.62 (s, 2H), 7.52-7.44
(m, 2H), 1.0 (s,4H); LC-MS (ESI): Calculated mass: 505.14; Observed mass: 506.0
[M+H] (rt: 0.632 min).
Example 350.
N-(2',4'-difluoro(5-(pyridinyl)-1H-benzo[d]imidazolyl)-[1,1'-biphenyl]-
3-yl)cyclopropanesulfonamide
The compound was prepared from the title compound of Example 203(a) using
the procedures of Example 203(b). H NMR (300 MHz, DMSO- d ): δ 8.62-8.59 (m,
3H), 8.18 (s, 1H), 7.84-7.81 (m, 4H), 7.67-7.56 (m, 4H), 7.15-7.1 (m, 2H), 2.7 (m, 1H),
1.2-1.1 (m, 4H); LC-MS (API): Calculated mass: 502.54 ; Observed mass: 503.2
[M+H] (rt: 1.15 min).
Example 351.
1-(5-(Cyclopropanesulfonamido)-2',4'-difluoro-[1,1'-biphenyl]yl)-1H-benzo-
[d]imidazolecarboxamide
The compound was prepared from the compound of Example 312(a) (100 mg,
0.27 mmol) using the procedure of Example 2(b) and cyclopropanesulfonyl chloride (42
mg, 0.30 mmol, 2.0 eq.) to give the product in 27.34 % yield (35 mg). H NMR (400
MHz, DMSO-d6): δ 10.35 (s, 1H), 8.82 (s, 1H), 8.37 (s, 1H), 8.08 (s, 1H), 7.96-7.94 (d,
1H), 7.77-7.72 (m, 2H), 7.60-7.58 (d, 2H), 7.51 (s, 1H), 7.48-7.43 (m, 1H), 7.38 (s, 1H),
7.29-7.24 (m, 1H), 2.89-2.86 (t, 1H), 1.02-1.01 (d, 4H) ; LC-MS (ESI): Calculated
mass: 468.11; Observed mass: 469.1 [M+H] (rt: 1.23 min).
Example 352.
N-(2', 4’-difluoro(5-(1-(2-hydroxyethyl)-1H-pyrazolyl)-1H-benzo[d]-
imidazolyl)-[1,1’-biphenyl]yl) cyclopropanesulfonamide
The compound was prepared from N-(2',4'-difluoro(5-(1-(2-((tetrahydro-2H-
pyranyl)oxy)ethyl)-1H-pyrazolyl)-1H-benzo[d]imidazolyl)-[1,1'-biphenyl]
yl)cyclopropanesulfonamide (0.15 g, 0.242 mmol) using the procedure of Example 330
to give the product in 78 % yield (0.063 g). H +NMR (400 MHz, DMSO-d ): δ 10.15
(s, 1H), 8.65 (S, 1H), 8.22 (s, 1H), 8.00-7.97 (d, 2H), 7.75 (s, 1H), 7.76-7.62(d, 2H),
7.56 (m, 2H), 7.47 (s, 3H), 7.27 (s, 1H), 4.95 (s, 1H), 4.17 (s, 1H), 3.79 (s, 1H), 1.01 (m,
5H); LC-MS (ESI): Calculated mass: 535.57; Observed mass:536.4[M+H] (rt: 1.0
min).
Example 353.
N-(2',4'-difluoro(5-(1-methyl-1H-pyrazolyl)-1H-benzo[d]imidazolyl)-
[1,1'-biphenyl]yl)-N,N'-dimethylsulfuric diamide
The compound was prepared from the title compound of Example 210(a) using
the procedures of Example 210(b). H NMR (300 MHz, CD OD): δ 9.4 (s, 1H), 8.02 (s,
1H), 7.92 (s, 1H), 7.85 (s, 1H), 7.78-7.67 (m, 3H), 7.55-7.46 (m, 4H), 7.06-7.03 (d, 2H),
3.86 (s, 3H), 2.77 (s, 6H); LC-MS (ESI): Calculated mass: 508.54; Observed mass:
509.0 [M+H] (rt: 0.96 min).
Example 354.
N-(2',4'-difluoro(6-(1-isopropyl-1H-pyrazolyl)-3H-imidazo[4,5-b]pyridin-
3-yl)-[1,1'-biphenyl]yl)acetamide
The compound was prepared from the title compound of Example 131(c) using
the procedures of Example 131(d). H NMR (400 MHz, DMSO-d ): δ 13.0 (br, 1H),
.2 (br, 1H), 8.69 (s, 1H), 8.20 (s, 1H), 7.87-7.71 (m, 4H), 7.56 (m, 2H), 7.48-7.42 (s,
1H), 7.3-7.25 (dt, 1H), 6.81 (d, 1H), 3.35-3.25 (q, 2H), 1.27-1.24 (t, 3H): LC-MS (ESI):
Calculated mass: 479.5; Observed mass: 480.2 [M+H] (rt: 1.42 min).
Example 355.
N-(2'-fluoro-4'-methoxy(5-(1-methyl-1H-pyrazolyl)-1H-benzo[d]imidazol-
1-yl)-[1,1'-biphenyl]yl)-N,N'-dimethylsulfuric diamide
The compound was prepared from the compound of Example 191(c) using the
methods of Example 210 (a) and (b). H NMR, 400 MHz: (DMSO-d ): δ 10.42 (s, 1H),
8.95 (s, 1H), 8.25 (s, 1H), 8.02 (s, 1H), 7.98 (s, 1H), 7.68 (s, 2H), 7.6 (t, 1H), 7.52-7.47
(m, 3H), 7.04-7.00 (dd, 1H), 6.97-6.94 (s, 1H), 3.88 (s, 3H), 3.84 (s, 3H), 2.8 (s, 6H);
LC-MS (ESI): Calculated mass: 520.58; Observed mass: 521 [M+H] (rt: 1.38 min).
Example 356.
N-(2',4’-difluoro(6-(1-isopropyl-1H-pyrazolyl)-3H-imidazo[4,5-b]pyridin-
3-yl)-[1,1’-biphenyl]yl)methane sulfonamide
The compound was prepared from the compound Example 334(a) (0.2 g, 0.417
mmol) using the method of Example 200(c) and 1-isopropyl(4,4,5,5-tetramethyl-
1,3,2-dioxaborolanyl)-1H-pyrazole (0.196 g, 0.834 mmol, 2.0 eq.) to give the product
in 45 % yield (0.095 g). H NMR (400 MHz, DMSO-d ): δ 10.30 (s, 1H), 8.97 (s, 1H),
8.766-8.762 (d, 1H), 8.44-8,42 (dd, 2H), 8.06 (s, 1H), 7.942-7.93 (s, 1H), 7.80-7.71 (m,
2H), 7.49-7.42 (m, 2H), 7.31-7.27 (m, 1H), 4.53 (m, 1H), 3.18(s, 1H), 1.48-1.47 (d, 6H
); LC-MS (ESI): Calculated mass: 508.54; Observed mass: 509.1 [M+H] (rt: 1.55 min).
Example 357.
N-(5-(5-(4-aminophenyl)-1H-benzo[d]imidazolyl)-2',4'-difluoro-[1,1'-bi-
phenyl]yl)acetamide
The compound was prepared from the compound of Example 1(h) using the
procedures of Example 246. H NMR (300 MHz, DMSO-d ): δ 10.41 (s, 1H), 8.83 (s,
1H), 8.11 (s, 1H), 7.98 (s, 1H), 7.79-7.75 (m, 3H), 7.65.7.63 (m, 4H), 7.52 (s, 1H), 7.49-
7.39 (m, 2H), 7.29-7.22 (m, 1H), 7.04-7.02 (m, 2H), 2.1 (s, 3H); Calculated mass:
454.16; Observed mass: 454.8 [M+H] (rt: 0.58 min).
Example 358.
N-(5-(6-(4-aminofluorophenyl)-3H-imidazo[4,5-b]pyridinyl)-2',4'-difluoro-
[1,1'-biphenyl]yl)acetamide
The compound was prepared from the compound of Example 131(c) using the
procedures of Example 246. H NMR (300 MHz, DMSO-d ): δ 10.39 (s, 1H), 8.94 (s,
1H), 8.68 (s, 1H), 8.37 (d, 1H), 8.29 (s, 1H), 7.89 (s, 1H), 7.71 (m, 2H), 7.55-7.25 (m,
4H), 6.85 (m, 1H), 5.35 (brs, 2H), 2.12 (s, 3H); LC-MS (ESI): Calculated mass: 473.15;
Observed mass: 474.4 [M+H] (rt: 1.51 min).
Example 359.
1-Cyclopropyl(2',4'-difluoro(5-(6-oxo-1,6-dihydropyridinyl)-1H-
benzo[d]imidazolyl)-[1,1'-biphenyl]yl)sulfuric diamide
a) 1-(5-(5-(6-(benzyloxy)pyridinyl)-1H-benzo[d]imidazolyl)-2',4'-difluoro-
[1,1'-biphenyl]yl)cyclopropyl sulfuric diamide
To a solution of 5-(5-(6-(benzyloxy)-1,6-dihydropyridinyl)-1H-benzo[d]imi-
dazolyl)-2',4'-difluoro-[1,1'-biphenyl]amine (120 mg, 0.2380 mmol) in pyridine
was added N-cyclopropyloxooxazolidinesulfonamide (78 mg, 0.380 mmol, 1.6
eq.). The mixture was stirred at 50 °C for 16 h, quenched with water and extracted with
ethyl acetate (3 × 50 ml). The combined organic layer was washed with 1 N HCl and 1N
NaOH, water, brine and dried over sodium sulphate. The solvent was distilled off to
afford the crude residue which was purified by preparative HPLC to give the product in
% yield (15 mg).
b) 1-Cyclopropyl(2',4'-difluoro(5-(6-oxo-1,6-dihydropyridinyl)-1H-
benzo[d]imidazolyl)-[1,1'-biphenyl]yl)sulfuric diamide
The solution of the compound of Example 359(a) (14 mg, 0.0224 mmol) in TFA
(1 ml) was heated at 50 °C for 16 h. The mixture was concentrated to give the product in
83 % yield (10 mg). H NMR (400 MHz, CD OD): δ 11.8 (s, 1H), 10.37 (s, 1H), 8.73
(s, 1H), 8.16 (d, 1H), 7.97-7.91 (m, 2H), 7.76-7.68 (m, 3H), 7.58-7.55 (m, 1H), 7.50 (t,
1H), 7.46-7.38 (m, 3H), 7.28-7.22 (m, 1H), 6.44 (d, 1H), 2.31 (m, 1H),0 .56-0.53
(m,2H), 0.45-0.42 (m,2H); LC-MS (ESI): Calculated mass: 533.13; Observed mass:
534.1 [M+H] (rt: 1.195min).
Example 360.
1-Cyclopropyl(2',4'-difluoro(5-(1-methyl-1H-pyrazolyl)-1H-benzo[d]-
imidazolyl)-[1,1'-biphenyl]yl)sulfuric diamide
The compound was prepared from the compound of Example 2(a) (50 mg,
0.1246 mmol) using the procedure of Example 359(a) to give the product in 9.3 % yield
(6 mg). H NMR (400 MHz, CD OD): δ 9.06 (s, 1H), 8.09 (s, 1H), 7.99 (s, 1H), 7.93 (s,
1H), 7.77 (s, 2H), 7.69-7.49 (m, 4H), 7.18-7.11 (m, 2H), 3.97 (s, 3H), 2.48-2.44 (m,
1H), 0.66-0.53 (m,4H); LC-MS (ESI): Calculated mass: 520.0; Observed mass: 521.2
[M+H] (rt: 0.94 min).
Example 361.
N-(2',4'-difluoro(6-(3-fluoropyridinyl)-3H-imidazo[4,5-b]pyridinyl)-
[1,1'-biphenyl]yl)acetamide
The compound was prepared from the title compound of Example 131(c) using
the procedures of Example 131(d). H NMR (400 MHz, DMSO-d ): δ 10.41 (s, 1H),
9.08 (s, 1H), 8.75 (s, 2H), 8.57 (s, 2H), 8.31 (s, 1H), 7.91 (s, 1H), 7.83 (s, 1H), 7.71 (s,
2H), 7.47-7.42 (t, 1H), 7.29-7.25 (t, 1H), 2.12 (s, 3H) ; LC-MS (ESI): Calculated mass:
459.13; Observed mass: 460.1 [M+H] (rt: 1.50 min).
Example 362.
N-(5-(5-(3-aminomethyl-1H-pyrazolyl)-1H-benzo[d]imidazolyl)-2',4'-
difluoro-[1,1'-biphenyl]yl)cyclopropanesulfonamide
A solution of N-(2',4'-difluoro(5-(4,4,5,5-tetramethyl-1,3,2-dioxaborolan
yl)-1H-benzo[d]imidazolyl)-[1,1'-biphenyl]yl)cyclopropanesulfonamide (100 mg,
0.181 mmol) in THF/EtOH/Water (5:5:2) was degassed by N bubbling for 5 min. 4-
Bromomethyl-1H-pyrazolamine (35 mg, 0.19 mmol, 1.1 eq.) was added and the
mixture was degassed for another 5 min. Bis(tri-tert-butylphosphine)palladium(0) (5
mg, 0.009 mmol, 0.05 eq.) and cesium carbonate (170 mg, 0.54 mmol, 3.0 eq.) were
added sequentially and the mixture was further degassed for 5 min and heated at 90 °C
for 16 h. The mixture was quenched and extracted as in Example 1(d). The solvent was
distilled off to give the crude residue which was purified by preparative HPLC to give
the product in 27 % yield (25 mg). H NMR (300 MHz, DMSO): δ 10.3 (s,1H) 8.79 (s,
1H), 7.95-7.92 (m, 2H), 7.77-7.07 (m, 2H), 7.59 (s, 2H), 7.53-7.47 (m, 3H), 7.29 (m,1H
), 3.75 (s, 3H), 2.91 (m, 1H), 1.5-1.49 (d, 2H), 1.30-1.26 (t, 2H), 1.03-1.01 (t, 2H); LC-
MS (ESI): Calculated mass: 520.5; Observed mass: 521.0 [M+H] (rt: 0.676 min).
Example 363.
N-(5-(5-(3-aminomethyl-1H-pyrazolyl)-1H-benzo[d]imidazolyl)-2',4'-
difluoro-[1,1'-biphenyl]yl)ethanesulfonamide
The compound was prepared from the compound of Example 200(b) using the
procedure of Example 200(c) to give the title product in 12 % yield (8 mg). 1H NMR
(300 MHz, CD3OD): δ 8.89 (s, 1H), 7.90 (s, 1H), 7.78-7.74 (m, 2H), 7.65-7.54 (m, 4H),
7.51 (d, 1H), 7.15-7.05 (m, 2H), 3.81 (s, 3H), 3.31-3.24 (q, 2H), 1.39-1.34 (t, 3H); LC-
MS (ESI): Calculated mass: 508.54; Observed mass: 509.0 [M+H]+ (rt: 0.85 min).
Example 364.
(Z)-N-(2',4'-difluoro(5-(1-(hydroxyimino)ethyl)-1H-benzo[d]imidazolyl)-
[1,1'-biphenyl]yl)cyclopropanesulfonamide
To a solution of N-(5-(5-acetyl-1H-benzo[d]imidazolyl)-2',4'-difluoro-[1,1'-
biphenyl]yl)cyclopropanesulfonamide (110 mg, 0.235 mmol) in ethanol was added
hydroxyl amine hydrochloride (24.7 mg, 0.353 mmol) and the mixture was heated at 80
°C for 2 h. The mixture was concentrated under vacuum and washed with ether to afford
the product in 49 % yield (55 mg). H NMR (400 MHz, DMSO- d ): δ 9.00 (s, 1H), 8.03
(s, 1H), 7.82-7.70 (m, 3H), 7.60-7.58 (d, 2H), 7.52 (s, 1H), 7.46-7.40 (m, 1H), 7.27-7.24
(m, 1H), 2.86-2.83 (m, 1H), 2.25(s,3H), 1.01-1.00 (m,4H); LC-MS (ESI): Calculated
mass: 482.5; Observed mass: 483.1 [M+H] (rt: 1.475 min).
Example 365.
2-(5-(1-(5-Acetamido-2',4'-difluoro-[1,1'-biphenyl]yl)-1H-benzo[d]imidazol-
-yl)-1H-1,2,3-triazolyl)acetamide
a) Ethyl 2-(5-(1-(5-acetamido-2',4'-difluoro-[1,1'-biphenyl]yl)-1H-benzo[d]-
imidazolyl)-1H-1,2,3-triazolyl)acetate
A mixture of N-(5-(5-ethynyl-1H-benzo[d]imidazolyl)-2',4'-difluorobiphenyl-
3-yl)acetamide (258 mg, 0.6 mmol), ethylazidoacetate (180 mg, 0.8 mmol, 1.3 eq.),
sodium ascorbate (125 mg, 0.6 mmol, 1.0 eq.) and copper sulfate pentahydrate (80 mg,
0.32 mmol, 0.5 eq.) in t-butanol and water (1:1, 3 ml) was stirred for 12 h at RT. The
mixture was quenched with water and the precipitate formed was filtered and dried to
give the product in 75 % yield (250 mg).
b) 2-(5-(1-(5-acetamido-2',4'-difluoro-[1,1'-biphenyl]yl)-1H-benzo[d]imida-
zolyl)-1H-1,2,3-triazolyl)acetic acid
To a solution of the compound of Example 365(a) (250 mg, 0.48 mmol) in
THF/methanol/water (1:1:0.5, 5 ml) was added LiOH H O (40 mg, 0.968 mmol, 2 eq.)
and the mixture was stirred at RT for 12 h. The mixture was concentrated and the crude
product obtained was extracted with ethyl acetate and water and dried over sodium
sulphate to give the product in 42 % yield (100 mg).
c) 2-(5-(1-(5-acetamido-2',4'-difluoro-[1,1'-biphenyl]yl)-1H-benzo[d]imida-
zolyl)-1
To a solution of the compound of Example 365(b) (100 mg, 0.2 mmol) in DMF
was added HOBt (30 mg, 0.224 mmol, 1.1 eq.) followed by EDC (40 mg, 0.224 mmol,
1.1 eq.). The mixture was stirred at RT for 12 h, then 25 % ammonia solution was added
to the precooled reaction mass and stirred for 4 h. The mixture was then quenched and
extracted as in Example 1(d). The solvent was distilled off to afford the crude residue
which was purified by preparative TLC to give the product in 5 % yield (5 mg).
Example 366.
N-(2',4'-Difluoro(5-(1-methyl-1H-pyrazolyl)-1H-benzo[d]imidazolyl)-
[1,1'-biphenyl]yl)ethenesulfonamide
The compound was prepared from the compound of Example 2(a) (50 mg, 0.125
mmol) in THF using the procedure of Example 2(b) and 2-chloroethanesulfonyl chloride
(30 mg, 0.187 mmol, 1.5 eq.) to afford the product in 29 % yield (18 mg). H NMR (400
MHz, CD OD): δ 9.1 (s, 1H), 8.08 (s, 1H), 7.98 (s, 1H), 7.92 (s, 1H), 7.76-7.74 (m, 2H),
7.63-7.59 (m, 3H), 7.50 (s, 1H), 7.14-7.12 (m, 2H), 6.80-6.78 (m, 1H), 6.31-6.27 (d,
1H), 6.09-6.06 (d, 1H), 3.95 (s,3H); LC-MS (ESI): Calculated mass: 491.5; Observed
mass: 492.1 [M+H] (rt: 1.413 min).
Example 367.
N-(2',4'-difluoro(5-(1-methyl-1H-pyrazolyl)-1H-benzo[d]imidazolyl)-
[1,1'-biphenyl]yl)hydroxyethanesulfonamide
a) 2-(Benzyloxy)-N-(2',4'-difluoro(5-(1-methyl-1H-pyrazolyl)-1H-benzo-
[d]imidazolyl)-[1,1'-biphenyl]yl)ethanesulfonamide
The compound was prepared from the compound of Example 2(a) (100 mg,
0.249 mmol) in THF using the method of Example 2(b) and 2-(benzyloxy)ethanesulfo-
nyl chloride (87 mg, 0.374 mmol, 1.5 eq.) to give the product in 69 % yield (100 mg).
LC-MS (ESI): Calculated mass: 512.55; Observed mass: 513.1 [M+H]+ (rt: 0.632 min).
b) N-(2',4'-difluoro(5-(1-methyl-1H-pyrazolyl)-1H-benzo[d]imidazolyl)-
[1,1'-biphenyl]yl)hydroxyethanesulfonamide
To a solution of the compound of Example 367(a) (100 mg, 0.17 mmol) in
methanol (2 ml) and THF (1 ml) was added 10 % Pd/C (10 mg, 0.1 eq.) and palladium
hydroxide on carbon (10 mg, 0.1 eq). The reaction vessel was purged with N for 5 min.
The mixture was then hydrogenated with H for 12 h. The mixture was filtered through
a pad of celite and the filtrate was concentrated to give the compound in 13 % yield (11
mg). H NMR (400 MHz, DMSO- d ): δ 10.3 (s, 1H), 8.9 (s, 1H), 8.23 (s, 1H), 8.00-
7.97 (d, 2H), 7.76-7.58 (m, 5H), 7.48 (s, 2H), 7.29 (d, 1H), 3.88 (s, 3H), 3.81 (t, 4H).
LC-MS (ESI): Calculated mass: 509.53; Observed mass: 510.1 [M+H] (rt: 0.853 min).
Example 368.
N-(2',4'-difluoro(5-(1-methyl-1H-pyrazolyl)-1H-benzo[d]imidazolyl)-
[1,1'-biphenyl]yl)piperidinecarboxamide
The title compound was prepared from the compound of Example 2(a) using the
procedures of Example 240. H NMR (400 MHz, CD OD): δ 8.49 (s, 1H), 8.11 (s, 1H),
8.0 (s, 1H), 7.91 (s, 1H), 7.86 (s, 1H), 7.75 (s, 1H), 7.71 (s, 1H), 7.69 (s, 1H), 7.65-7.59
(m, 2H), 7.52 (m, 1H), 7.14-7.1 (m, 2H), 3.94 (s, 1H), 2.89 (t, 4H), 2.7 (m, 1H), 2.04-
1.84 (m, 4H): LC-MS (ESI): Calculated mass: 512.55; Observed mass: 513.2 [M+H]
(rt: 1.0 min).
Example 369.
N-(5-(5-(4,5-dihydrooxazolyl)-1H-benzo[d]imidazolyl)-2',4'-difluoro-[1,1'-
biphenyl]yl)acetamide
a) N-(5-((4-(4,5-dihydrooxazolyl)nitrophenyl)amino)-2',4'-difluoro-[1,1'-
biphenyl]yl)acetamide
To a solution of the compound of Example 22(a) (0.25 g, 0.608 mmol) in tert-
butanol was added 2-amino ethanol (0.05 ml, 0.912 mmol, 1.5 eq.) and stirred at RT for
min. Iodine (0.25 g, 1.82 mmol, 3 eq.) and K CO (0.25 g, 1.82 mmol, 3 eq.) were
added and the mixture was stirred at 75 °C for 24 h. The mixture was quenched with
sodium thiocyanate solution and extracted with ethyl acetate (3 × 50 ml). The solvent
was distilled off to give the crude residue which was purified by combiflash chromato-
graphy (5 % methanol in chloroform) to give the product in 60 % yield (0.15 g).
b) N-(5-((2-amino(4,5-dihydrooxazolyl)phenyl)amino)-2',4'-difluoro-[1,1'-
biphenyl]yl)acetamide
To a solution of the compound of Example 369(a) (150 mg, 0.33 mmol) in THF
(3 ml) were added a solution of ammonium chloride (70 mg, 1.32 mmol, 4 eq.) in water
(1 ml) and zinc (86 mg, 1.32 mmol, 4 eq.). The mixture was stirred at RT for 2 h and
filtered. The filtrate was diluted with water and extracted as in Example 1(d). The
solvent was distilled off to afford the product in 78 % yield (0.11 g).
c) N-(5-(5-(4,5-dihydrooxazolyl)-1H-benzo[d]imidazolyl)-2',4'-difluoro-
[1,1'-biphenyl]yl)acetamide
The compound was prepared from the the compound of Example 369(b) using
the procedure of Example 22(d) to give the product in 78 % yield (0.11 g). H NMR
(400 MHz, DMSO- d ): δ 10.5 (s, 1H), 8.84 (s, 1H), 8.7(d, 1H), 8.13 (t, 1H), 8.10-8.05
(m, 3H), 7.85-7.72 (m, 3H), 7.54 (s, 1H), 7.49-7.43 (m,1H), 4.47 (t,2H), 3.31 (t,2H),
2.12 (s,3H). LC-MS (ESI): Calculated mass: 432.4; Observed mass: 432.8 [M+H] (rt:
0.288 min).
Example 370.
N-(5-(5-(1,2,4-oxadiazolyl)-1H-benzo[d]imidazolyl)-2',4'-difluoro-[1,1'-bi-
phenyl]yl)acetamide
The compound was prepared from the compound of Example 313(d) using the
procedures of Example 313(e). H NMR (400 MHz, DMSO- d ): δ 10.49 (s, 1H), 9.73
(s, 1H), 8.83 (s, 1H), 8.43 (s, 1H), 8.06 (t, 2H), 7.88 (t, 2H), 7.79-7.73 (m, 1H), 7.55 (s,
1H), 7.49-7.43 (m,1H), 7.29-7.25 (m,1H), 2.12 (s,3H); LC-MS (ESI): Calculated mass:
431.4; Observed mass: 432.8 [M+H] (rt: 1.485 min).
Example 371.
N-(5-(5-(4,5-dihydrooxazolyl)-1H-benzo[d]imidazolyl)-2',4'-difluoro-[1,1'-
biphenyl]yl)ethanesulfonamide
The compound was prepared from the compound of Example 369 using the
procedures of Example 2. H NMR (300 MHz, CD OD): δ 8.59 (s, 1H), 8.27 (d, 1H),
8.15-8.14 (t, 1H), 8.11 (m, 1H), 7.82-7.75 (m, 4H), 7.66-7.56 (m,1H), 7.56 (m,1H),
7.13-7.11 (m,1H), 6.56 (t,1H), 3.53-3.47 (m,2H), 3.0 (m,2H), 2.82 (s,3H), 2.7 (m,1H),
2.14-2.0 (m,4H). LC-MS (ESI): Calculated mass: 512.55; Observed mass: 513.1
[M+H] (rt: 0.632 min).
Example 372.
1-(2',4'-Difluoro(5-(1-methyl-1H-pyrazolyl)-1H-benzo[d]imidazolyl)-
[1,1'-biphenyl]yl)(furanylmethyl)sulfuric diamide
The compound was prepared from the compound of Example 2(a) using the
procedure of Example 245 to give the pure product in 10 % yield (7 mg). H NMR (300
MHz, DMSO-d ): δ 10.26 (s, 1H), 8.66 (s, 1H), 8.2 (s, 1H), 7.98 (s, 1H), 7.94 (s, 1H),
7.75-7.67 (m, 2 H), 7.57 (t, 3 H), 7.45-7.43 (m, 2 H), 7.29-7.25 (m, 2H), 7.22 (m, 2H),
3.87 (s, 3H), 3.17 (s, 2H); LC-MS (ESI): Calculated mass: 479.5; Observed mass: 480.2
[M+H] (rt: 1.34 min).
Example 373.
N-(2',4'-difluoro(5-(1-methyl-1H-pyrazolyl)-1H-benzo[d]imidazolyl)-
[1,1'-biphenyl]yl)methylpiperidinecarboxamide
The compound was prepared from the compound of Example 2(a) using the
procedures of Example 233. H NMR (400 MHz, CD OD): δ 9.11(s, 1H), 8.23 (t, 1H),
8.07 (s, 1H), 7.98 (s, 1H), 7.91 (s, 1H), 7.80-7.77 (m, 3H), 7.65-7.61 (m, 2H), 7.14-7.12
(m, 2H), 3.96 (s, 3H), 3.63-3.60 (m, 2H), 3.088-3.082 (m,2H), 2.90 (s,3H), 2.79-2.73
(m,1H), 2.24-2.01 (m,4H); LC-MS (ESI): Calculated mass: 526.58; Observed mass:
527.2 [M+H] (rt: 0.183 min).
Example 374.
2',4'-difluoro(5-(1-methyl-1H-pyrazolyl)-1H-benzo[d]imidazolyl)-[1,1'-
biphenyl]ol
a) 1-bromomethoxynitrobenzene
To a solution of 1-bromo-3,5-dinitrobenzene (5 g, 20.2 mmol) in methanol (50
ml) was added sodium methoxide (1.3 g, 24.3 mmol, 1.2 eq.) and the mixture was
heated to reflux for 12 h and then quenched with 10 % HCl. The solid formed was
filtered and dried to afford the compound in 65 % yield (3 g).
b) 3-bromomethoxyaniline
To a solution of 1-bromomethoxynitrobenzene (1 g, 4.33 mmol) in THF
(10 ml) were added a solution of ammonium chloride (1.83 g, 34.6 mmol, 8 eq.) in
water (5 ml) and zinc (1.93 g, 34.6 mmol, 8 eq.). The mixture was stirred at RT for 30
min and filtered. The filtrate was diluted with water and extracted as in Example 1(d).
The solvent was distilled off to afford the product in 92 % yield (0.8 g).
c) N-(3-bromomethoxyphenyl)(1-methyl-1H-pyrazolyl)nitroaniline
A solution of the compound of Example 374(b) (1 g, 4.78 mmol, 1.2 eq.), 3-
bromomethoxyaniline (0.8 g, 3.98 mmol) and potassium fluoride (0.23 g, 3.98 mmol,
1 eq.) in DMF was heated at 120 °C for 12 h. The mixture was quenched and extracted
as in Example 1(d). The solvent was distilled off to afford the crude residue which was
purified by column chromatography (60-120 silica gel, 50 % ethyl acetate in hexane) to
give the product in 42 % yield (0.81 g).
d) 1-(3-Bromomethoxyphenyl)(1-methyl-1H-pyrazolyl)-1H-benzo[d]-
imidazole
The compound was prepared using the procedures of Example 1(g) and 1(h)
starting from the compound of Example 374(c) (0.81 g, 2.02 mmol) to afford the
product in 52 % yield (0.35 g).
e) 1-(2',4'-Difluoromethoxy-[1,1'-biphenyl]yl)(1-methyl-1H-pyrazol
yl)-1H-benzo[d]imidazole
The compound was prepared from the compound of Example 374(d) (0.35 g,
0.92 mmol) using the procedure of Example 277(d) and 2,4-difluorophenyl boronic acid
(0.17 g, 1.09 mmol, 1.2 eq.) to yield the product in 25 % yield (95 mg).
f) 2',4'-difluoro(5-(1-methyl-1H-pyrazolyl)-1H-benzo[d]imidazolyl)-
[1,1'-biphenyl]ol
To a slurry of aluminium chloride (77mg, 0.576 mmol) and thiourea (15 mg,
0.192 mmol) in DCM (5 ml) was added a solution of the compound of Example 374(e)
(80 mg, 0.192 mmol) in DCM (3 ml). The mixture was heated at 50 °C for 5 h. The
mixture was quenched and extracted as in Example 2(d) and dried over anhydrous
Na SO and concentrated to afford the product in 17 % yield (15 mg). H NMR (400
MHz, CD OD): δ 9.2 (s, 1H), 8.07 (s, 1H), 7.99 (s, 1H), 7.91(s, 1H), 7.77 (s, 2H), 7.64-
7.58 (m, 1H), 7.30(s, 1H), 7.17-7.07 (m, 4H), 3.95 (s, 3H). LC-MS (ESI): Calculated
mass: 402.4; Observed mass: 403.1 [M+H] (rt: 1.282 min).
Example 375.
N-(2',4'-difluoro(5-(1-methyl-1H-pyrazolyl)-1H-benzo[d]imidazolyl)-
[1,1'-biphenyl]yl)pyrazinamine
A solution of the compound of Example 2(a) (100 mg, 0.24 mmol) in toluene (6
ml) was degassed by N bubbling for 5 min. 2-Chloro pyrazine (34 g, 0.29 mmol, 1.2
eq.) was added and the mixture was degassed for another 5 min. Pd (dba) (22 mg, 0.02
mmol, 0.1 eq.) and xantphos (28 mg, 0.04 mmol, 0.2eq.) and Cs CO (242 mg, 0.74
mmol, 3.0 eq) were added sequentially and the mixture was further degassed for 5 min
and then heated at110 C for 16 h. The mixture was filtered on celite bed and quenched
and extracted as in Example 1(d). The solvent was distilled off to afford the crude
residue which was purified by preparative HPLC to yield the product in 10 % yield (11
mg). H NMR (400 MHz, DMSO-d ): δ 9.99 (s, 1H), 8.65 (s, 1H), 8.31 (s, 1H), 8.26-
8.25(m, 1H), 8.19 (m, 2H), 8.00-7.98 (m, 3H), 7.93(s, 1H), 7.85 (d, 1H), 7.79-7.34 (m,
2H), 7.62-7.59(dd,1H), 7.47-7.4(m,2H), 7.28-7.24(dt, 1H), 3.87(s, 3H) . LC-MS (ESI):
Calculated mass: 479.48; Observed mass: 480.1 [M+H] (rt: 1.54 min).
Example 376.
N-(2',4'-difluoro(5-(1-methyl-1H-pyrazolyl)-1H-benzo[d]imidazolyl)-
[1,1'-biphenyl]yl)isoxazolamine
a) 1-(5-Bromo-2',4’-difluoro-[1,1’-biphenyl]yl)(1-methyl-1H-pyrazol
yl)-1H-benzo[d]imidazole
To a solution of the compound of Example 2(a) (0.80 g, 1.995 mmol) in HBr (8
ml) was added aqueous solution of NaNO (0.26 g in 2 ml of water) and the mixture
was stirred at 0 °C for 20 min. Then CuBr in HBr (0.572 g, 3.99 mmol, 2.0 eq in 3 ml of
HBr) was added at 0°C and the mixture was stirred at 50 °C for 10 min. The mixture
was quenched and extracted as in Example 1(d). The solvent was distilled off under
reduced pressure to afford the product in 80.9 % yield (0.750 g). LC-MS (ESI):
Calculated mass: 465.2; Observed mass: 467.0 [M+H] (rt: 1.75 min).
b) N-(2',4'-difluoro(5-(1-methyl-1H-pyrazolyl)-1H-benzo[d]imidazolyl)-
[1,1'-biphenyl]yl)isoxazolamine
The compound was prepared from the compound of Example 376(a) following
the method of Example 280. H NMR (400 MHz, CD OD): δ 8.53 (s, 1H), 8.43-8.42 (d,
1H), 8.03 (s, 1H), 7.95-7.93(m, 2H), 7.89 (s, 1H), 7.76-7.45 (d, 1H), 7.68-7.62 (m, 3H),
7.33-7.32 (d, 1H), 7.16-7.11 (m, 2H), 6.23-6.22 (d,1H), 6.23-6.27 (m,1H), 3.97 (s, 3H).
LC-MS (ESI): Calculated mass: 468.46; Observed mass: 468.46 [M+H] (rt: 1.282
min).
Example 377.
N-(2',4'-difluoro(5-(1-methyl-1H-pyrazolyl)-1H-benzo[d]imidazolyl)-
[1,1'-biphenyl]yl)pyridazinamine
The compound was prepared from the compound of Example 376(a) following
the procedure described in the Example 280. H NMR (400 MHz, DMSO-d ): δ 9.75 (s,
1H), 8.74-8.73 (d, 2H), 8.65 (s, 1H), 8.34-8.33(m, 1H), 8.19 (s, 1H), 7.98 (s, 1H), 7.94
(m, 2H), 7.78-7.75 (m, 2H), 7.6-7.57 (dd, 1H), 7.53-7.4 (m, 3H), 7.4-7.2 (m, 2H), 3.87
(s, 3H) . LC-MS (ESI): Calculated mass: 479.48; Observed mass: 403.1 [M+H] (rt:
1.282 min).
Example 378.
N-(4'-cyano(5-(1-methyl-1H-pyrazolyl)-1H-benzo[d]imidazolyl)-[1,1'-
biphenyl]yl)cyclopropanesulfonamide
a) 3-bromo(5-(1-methyl-1H-pyrazolyl)-1H-benzo[d]imidazolyl)aniline
To a solution of the compound of Example 277(c) (1.6 g, 3.89 mmol) in ethanol
(15 ml) was added aqueous solution of NaOH (1.56 g, 38.9 mmol,10.0 eq.) and the
mixture was heated at 85 C for 5 h. The mixture was quenched and extracted as in
Example 1(d). The solvent was distilled off under reduced pressure to afford the product
in 90 % yield (1.3 g).
b) N-(3-bromo(5-(1-methyl-1H-pyrazolyl)-1H-benzo[d]imidazolyl)-
phenyl)cyclopropanesulfonamide
To a solution of the compound of Example 378(a) (200 mg, 0.54 mmol) in DCM
was added pyridine (86 mg, 1.08 mmol, 2.0 eq.) followed by cyclopropane sulfonyl
chloride (93 mg, 0.65 mmol, 1.2 eq.). The mixture was stirred for 1 h, and quenched and
extracted as in Example 2(b). The solvent was distilled off under reduced pressure to
afford the product in 59 % yield (75 mg).
c) N-(4'-cyano(5-(1-methyl-1H-pyrazolyl)-1H-benzo[d]imidazolyl)-
[1,1'-biphenyl]yl)cyclopropanesulfonamide
The compound was prepared from the compound of Example 378(b) (100 mg,
0.21 mmol) using the procedure of Example 200(c) and 4-cyano phenyl boronic acid (38
mg, 0.32 mmol, 2.5 eq.) to give the product in 24 % yield (25 mg). H NMR (400 MHz,
DMSO-d ): δ 10.2-10.3 (brS, 1H), 8.71 (s, 1H), 8.19 (s, 1H), 8.02-7.94(m, 6H), 7.77 (s,
1H), 7.69-7.67 (d, 1H), 7.6-7.58 (m, 3H), 3.87 (s, 3H), 2.91-2.88 (m, 1H), 1.0 (d, 4H) .
LC-MS (ESI): Calculated mass: 494.59; Observed mass: 495.15 [M+H] (rt: 1.4 min).
Example 379.
N-(2',4'-difluoro(5-(4-methylpiperazinecarbonyl)-1H-benzo[d]imidazol
yl)-[1,1'-biphenyl]yl)acetamide
To a solution of the compound of Example 332(b) (100 mg, 0.23 mmol, 1.0 eq.)
in 1,4-dioxane (5 ml) was added trimethyl aluminium (49 mg, 0.59 mmol, 2.5 eq). The
mixture was stirred for 10 min and then N-methyl piperazine (35 mg, 0.35 mmol, 1.5
eq.) was added and the mixture was heated at 110 C in a sealed tube for 12 h. The
mixture was cooled to RT and filtered through celite and the filtrate was concentrated to
afford the crude product which was purified by preparative HPLC to afford the product
in 21 % yield (24 mg). H NMR (400 MHz, CD OD): δ 8.61 (s, 1H), 8.1 (s, 1H), 7.86 (s,
1H), 7.79.7.77(d, 1H), 7.75 (d, 1H), 7.68-7.6 (m, 1H), 7.51 (d, 1H), 7.48-7.46 (d, 1H),
7.14-7.08 (m, 2H), 3.8-3.5 (br, 4H), 2.6-2.4 (br, 4H), 2.35 (s, 3H), 2.18 (s, 3H). LC-MS
(ESI): Calculated mass: 489.52; Observed mass: 489.8 [M+H] (rt: 0.15 min).
Example 381.
N-(5-(5-cyano-1H-benzo[d]imidazolyl)-2',4'-difluoro-[1,1'-biphenyl]
yl)ethanesulfonamide
a) 1-(5-amino-2',4'-difluoro-[1,1'-biphenyl]yl)-1H-benzo[d]imidazole
carbonitrile
To a solution of the compound of Example 313(c) (1.0 g, 2.88 mmol, 1.0 eq.) in
ethanol (20 ml) was added KOH (0.486 g, 8.66 mmol, 3.0 eq.) as a 20 % aqueous
solution and the mixture was heated at 80 °C for 6 h. The solvent was distilled off under
reduced pressure and the crude material was stirred with water and ethyl acetate. The
ethyl acetate was dried over sodium sulphate and concentrated to afford the product in
78 % yield (0.7g).
b) N-(5-(5-cyano-1H-benzo[d]imidazolyl)-2',4'-difluoro-[1,1'-biphenyl]
yl)ethanesulfonamide
The compound was prepared from the compound of Example 380(a) (100 mg,
0.28 mmol) and ethanesulfonyl chloride (40 mg, 0.31 mmol, 1.1 eq.) using the
procedure of Example 2(b) to give the product in 16 % yield (22 mg). H NMR (400
MHz, DMSO-d ): δ 8.91 (s, 1H), 8.4 (s, 1H), 7.86-7.73 (m, 3H), 7.58-7.45(m, 4H),
7.29-7.25 (t, 1H), 3.3 (m, 2H), 1.27-1.24 (t, 3H). LC-MS (ESI): Calculated mass:
438.45; Observed mass: 438.9 [M+H] (rt: 1.5 min).
Example 381.
1-(2',4'-difluoromethyl-[1,1'-biphenyl]yl)(1-methyl-1H-pyrazolyl)-
1H-benzo[d]imidazole
a) 2,4-Difluoro-5'-methyl-3'-nitro-biphenyl
The compound was prepared from 1-bromomethylnitro-benzene (1.5g,
6.94 mmol) and difluorophenyl boronic acid (1.3g, 8.33 mmol, 1.2 eq.) using the
procedure of Example 1(d) to afford the product in 27 % yield (0.65g).
b) 2',4'-difluoromethyl-[1,1'-biphenyl]amine
To a solution of the compound of Example 381(a) (1.4 g, 5.62 mmol) in THF (20
ml) were added a solution of ammonium chloride (2.4 g, 44.9 mmol, 8 eq.) in water (8
ml) and zinc (2.92 g, 44.9 mmol, 8eq.). The mixture was stirred at RT for 2 h and
filtered. The filtrate was diluted with water and extracted as in Example 1(d). The
solvent was distilled off to afford the product in 92 % yield (1.3 g).
c) 1-(2',4'-difluoromethyl-[1,1'-biphenyl]yl)(1-methyl-1H-pyrazolyl)-
1H-benzo[d]imidazole
The compound was prepared from the compound of Example 381(b) (1.3 g, 5.93
mmol) using the procedures of Example 1 steps (f) to (i) to give the product in 10 %
yield (20 mg). H NMR (400 MHz, DMSO-d ): δ 8.96 (s, 1H), 8.24 (s, 1H), 8.00-7.97
(d, 2H), 7.77-7.72(m, 2H), 7.67-7.62 (m, 3H), 7.53 (s, 1H), 7.5-7.4 (t, 1H), 7.3-7.2(t,
1H), 3.9(s, 6H). LC-MS (ESI): Calculated mass: 400.42; Observed mass: 401.1 [M+H]
(rt: 1.6 min).
Example 382.
N-(5-(5-(1-methyl-1H-pyrazolyl)-1H-benzo[d]imidazolyl)-3'-(1H-pyrazol-
1-yl)-[1,1'-biphenyl]yl)acetamide
The compound was prepared from the compound of Example 277(c) using the
procedure described in Example 277(d). H NMR (400 MHz, DMSO-d ): δ 9.1 (s, 1H),
8.65 (d, 1H), 8.25 (s, 1H), 8.22(s, 1H), 8.17 (s, 1H), 8.03 (s, 1H), 7.98 (s, 2H), 7.94-7.92
(d, 1H), 7.81-7.8 (d, 1H), 7.77-7.5 (d,1H), 7.7-7.64 (m,4H), 6.59 (s,1H), 2.1 (s,1H). LC-
MS (ESI): Calculated mass: 473.53; Observed mass: 474.2 [M+H] (rt: 0.47 min).
Example 383.
N-(5-(5-(1-methyl-1H-pyrazolyl)-1H-benzo[d]imidazolyl)-4'-(1H-pyrrol
yl)-[1,1'-biphenyl]yl)acetamide
The compound was prepared from the compound of Example 277(c) using the
procedure described in Example 277(d). H NMR (400 MHz, DMSO-d ): δ 8.71 (s, 1H),
8.2 (s, 1H), 8.03 (s, 1H), 7.99(s, 1H), 7.94-7.93 (m, 2H), 7.86-7.83 (m, 2H), 7.76-7.68
(m, 4H), 7.6-7.48(m, 3H), 6.3(d, 1H), 3.88(s, 3H), 2.14(s, 3H): LC-MS (ESI):
Calculated mass: 472.54; Observed mass: 473.1 [M+H] (rt: 1.39 min).
Example 384.
N-(2',4'-difluoro(5-morpholino-1H-benzo[d]imidazolyl)-[1,1'-biphenyl]
yl)cyclopropanesulfonamide
The compound was prepared from N-(5-(5-bromo-1H-benzo[d]imidazolyl)-
2',4'-difluoro-[1,1'-biphenyl]yl)cyclopropanesulfonamide using the procedure of
Example 321. H NMR (400 MHz, DMSO-d ): δ 10.38 (s, 1H), 9.0 (s, 1H), 7.79-7.73
(m, 1H), 7.67 (s, 1H), 7.64 (s, 1H), 7.61 (s, 1H), 7.53-7.46 (m, 2H), 7.33-7.26 (m, 3H),
3.9 (s, 4H), 3.2 (s, 4H), 2.9 (m 1H), 1.05 (d, 4H): LC-MS (ESI): Calculated mass:
510.56; Observed mass: 473.1 [M+H] (rt: 1.39 min).
Example 385.
(E)-N-(2',4'-difluoro(5-(1-(methoxyimino)ethyl)-1H-benzo[d]imidazolyl)-
[1,1'-biphenyl]yl)cyclopropanesulfonamide
The compound was prepared from N-(5-(5-acetyl-1H-benzo[d]imidazolyl)-
2',4'-difluoro-[1,1'-biphenyl]yl)cyclopropanesulfonamide using the method described
in Example 364. H NMR (400 MHz, DMSO-d ): δ 8.69 (s, 1H), 9.0 (s, 1H), 8.03 (d,
1H), 7.76-7.67 (m, 3H), 7.54 (m, 2H), 7.47 (m, 1H), 7.45-7.42(m, 2H), 7.28-7.22 (m,
3H), 7.25-7.24 (dt, 1H), 3.92 (s, 3H), 2.84-2.81 (m, 1H), 2.26 (s, 3H), 1.0 (d, 4H): LC-
MS (ESI): Calculated mass: 496.53; Observed mass: 497.0 [M+H] (rt: 1.68 min).
Example 386.
N-(5-(5-(1-cyclopentyl-1H-pyrazolyl)-1H-benzo[d]imidazolyl)-2',4'-
difluoro-[1,1'-biphenyl]yl)cyclopropanesulfonamide
The compound was prepared from N-(5-(5-bromo-1H-benzo[d]imidazolyl)-
2',4'-difluoro-[1,1'-biphenyl]yl)cyclopropanesulfonamide using the procedure
described in Example 200(c). H NMR (400 MHz, DMSO-d ): δ 8.4 (s, 1H), 8.33 (s,
1H), 8.03 (s, 1H), 7.98 (s, 1H), 7.8-7.7 (m, 1H), 7.69 (s, 1H), 7.61 (m, 2H), 7.5-7.4 (m,
2H), 7.32-7.25 (dt, 1H), 4.8-4.65 (m, 1H), 2.95-2.15-1.6 (m, 8H), 1.02 (d, 4H): LC-MS
(ESI): Calculated mass: 559.63; Observed mass: 560.3 [M+H] (rt: 1.19 min).
Example 387.
N-(2',4'-difluoro(5-(2-oxopyrrolidinyl)-1H-benzo[d]imidazolyl)-[1,1'-
biphenyl]yl)cyclopropanesulfonamide
A solution of N-(5-(5-bromo-1H-benzo[d]imidazolyl)-2',4'-difluoro-[1,1'-bi-
phenyl]yl)cyclopropanesulfonamide (50 mg, 0.099 mmol, 1eq.) in DMSO (2 ml) was
degassed by nitrogen bubbling for 10 min. Copper(I)iodide (11.3 mg, 0.059 mmol, 0.6
eq.), K CO (42 mg, 0.298 mmol, 3 eq.), N,N-dimethyl glycine HCl (11 mg, 0.079
mmol) and 2-pyrrolidone (42 mg, 0.49 mmol, 5 eq.) were added and the mixture was
further degassed for 10 min and then heated to 110 C for 16 h. The mixture was cooled
to RT and diluted with ethyl acetate, filtered through a celite bed and washed with water
and brine solution. The ethyl acetate layer was dried over sodium sulphate. The solvent
was distilled off to afford the crude residue which was purified by preparative HPLC to
afford the product in 90 % yield (45mg). H NMR (400 MHz, DMSO-d ): δ 8.65 (s,
1H), 7.96 (d, 1H), 7.78-7.65 (m, 3H), 7.54 (m, 2H), 7.45-7.42 (m, 2H), 7.28-7.24 (dt,
1H), 3.9 (t, 2H), 2.88-2.8 (m, 1H), 2.12-2.02 (m, 2H), 1.0 (m, 4H): LC-MS (ESI):
Calculated mass: 508.54; Observed mass: 508.7 [M+H] (rt: 1.46 min).
Example 388.
N-(3-(5-(1-methyl-1H-pyrazolyl)-1H-benzo[d]imidazolyl)(1H-pyrazol-
4-yl)phenyl)acetamide
The compound was prepared from the compound of Example 277(c) using the
procedure described in Example 277(d). H NMR (400 MHz, DMSO-d ): δ 10.3(s,1H),
8.61 (s, 1H), 8.2 (s, 1H), 8.11 (br, 1H), 7.98 (s, 1H), 7.94 (s, 1H), 7.88 (s, 1H), 7.76 (s,
1H), 7.66-7.57 (m, 3H), 3.88 (s, 3H), 1.84 (s, 3H): LC-MS (ESI): Calculated mass:
397.43; Observed mass: 398.22 [M+H] (rt: 1.46 min).
Example 389.
N-(3-(3-fluoropyridinyl)(5-(1-methyl-1H-pyrazolyl)-1H-benzo[d]-
imidazolyl)phenyl)acetamide
The compound was prepared from the compound of Example 277(c) using the
procedure described in Example 277(d). H NMR (400 MHz, DMSO-d ): δ 10.5 (s, 1H),
8.97 (s, 1H), 8.76 (s, 1H), 8.59 (s, 1H), 8.58 (s, 1H), 8.24 (s, 1H), 8.2 (s, 1H), 8.02 (s,
1H), 7.97-7.96 (m, 2H), 7.8-7.65 (m, 4H), 3.89 (s, 3H), 2.13 (s, 3H); LC-MS (ESI):
Calculated mass: 426.45; Observed mass: 427.1 [M+H] (rt: 0.26 min).
Example 390.
N-(5-(5-(1-(cyclopropylsulfonyl)-1H-pyrazolyl)-1H-benzo[d]imidazolyl)-
2',4'-difluoro-[1,1'-biphenyl]yl)acetamide
To a solution of the compound of Example 326 (50 mg, 0.116 mmol) in DCM
was added pyridine (0.5 ml) followed by cyclopropanesulfonyl chloride (20 mg, 0.139
mmol, 1.2 eq.). The mixture was stirred for 1 h, and quenched and extracted as in
Example 2(b). The solvent was distilled off to afford the crude residue which was
purified by preparative HPLC to give the product in 90 % yield (42 mg). H NMR (400
MHz, CD OD): δ 8.58 (s, 1H), 8.52 (s, 1H), 8.33 (s, 1H), 8.09 (s, 1H), 8.05 (s, 1H),
7.74-7.62 (m, 4H), 7.49 (s, 1H), 7.17-7.08 (m, 2H), 3.0 (m, 1H), 2.2 (s, 3H), 1.1 (d, 4H);
LC-MS (ESI): Calculated mass: 533.5; Observed mass: 534.1 [M+H] (rt: 1.61 min).
Example 391.
N-(2'-fluoro(5-(1-methyl-1H-pyrazolyl)-1H-benzo[d]imidazolyl)-[1,1'-
biphenyl]yl)cyclopropanesulfonamide
The compound was prepared from N-(2'-fluoronitro-[1,1'-biphenyl]yl)-
acetamide using the procedures of Example 1, 2 and 200(c) to afford the product in 26.6
% yield (20 mg). H NMR (400 MHz, CD OD): δ 8.52 (s, 1H), 8.03 (s, 1H), 7.94 (s,
1H), 7.89 (s, 1H), 7.71-7.69 (m, 1H), 7.65-7.6 (m, 5H), 7.53-7.49 (m, 2H), 7.35-7.25
(m, 2H), 3.96 (s, 3H), 2.78-2.73 (m, 1H), 1.17-1.0 (m, 4H),; LC-MS (ESI): Calculated
mass: 487.55; Observed mass: 488.6 [M+H] (rt: 1.45 min).
Example 392.
N-(2',4'-difluoro(5-(1-(piperidinyl)-1H-pyrazolyl)-1H-benzo[d]-
imidazolyl)-[1,1'-biphenyl]yl)cyclopropanesulfonamide
a) tert-butyl 4-(4-(1-(5-(cyclopropanesulfonamido)-2',4'-difluoro-[1,1'-biphenyl]-
3-yl)-1H-benzo[d]imidazolyl)-1H-pyrazolyl)piperidinecarboxylate
The compound was prepared from N-(5-(5-bromo-1H-benzo[d]imidazolyl)-
2',4'-difluoro-[1,1'-biphenyl]yl)cyclopropanesulfonamide (100 mg, 0.19 mmol) using
the procedure of Example 200(c) to afford the title product in 26.6 % yield (20 mg).
b) N-(2',4'-difluoro(5-(1-(piperidinyl)-1H-pyrazolyl)-1H-benzo[d]-
imidazolyl)-[1,1'-biphenyl]yl)cyclopropanesulfonamide
The compound was prepared from the compound of Example 392(a) (60 mg,
0.08 mmol) using the procedure of 331(b) to afford the product in 40 % yield (0.020 g).
H NMR (400 MHz, DMSO-d ): δ 8.64 (s, 1H), 8.30 (s, 1H), 8.03 (s, 1H), 7.90 (s, 1H),
7.76-7.74 (m, 1H), 7.69-7.62 (m, 2H), 7.54-7.53 (t, 1H), 7.49 (s, 1H), 7.46-7.43 (m,
1H), 7.27 (t, 3H), 4.23 (m, 1H), 3.12-3.09 (d, 2H), 2.81 (m, 1H), 2.70-2.64 (t, 2H), 2.04-
2.01 (d, 2H), 1.88-1.84 (m, 2H), 1.23 (s, 2H), 1.00-0.99 (m, 2H), 0.97 (s, 1H); LC-MS
(ESI): Calculated mass: 574.20; Observed mass: 574.8 [M+H] (rt: 0.27 min).
Example 393.
N-(2',4'-difluoro(5-(1-(pyrrolidinyl)-1H-pyrazolyl)-1H-benzo[d]-
imidazolyl)-[1,1'-biphenyl]yl)cyclopropanesulfonamide
The compound was prepared using the procedures of Example 392. H NMR
(400 MHz, DMSO-d ): δ 8.64 (s, 1H), 8.33 (s, 1H), 8.03 (s, 1H), 7.98 (s, 1H), 7.78-7.72
(q, 1H), 7.69-7.62 (q, 2H), 7.55-7.52 (d, 2H), 7.48-7.42(m, 2H), 7.30-7.25 (m, 1H),
4.87-4.82 (m, 1H), 3.34-3.16 (m, 2H), 3.14-2.94 (m, 3H), 2.93-2.80(m, 2H), 2.26-2.21
(m, 1H), 2.14-2.07 (m, 1H), 1.01-0.98 (d, 4H); LC-MS (ESI): Calculated mass: 560.62;
Observed mass: 561.3 [M+H] (rt: 0.39 min).
Example 394.
N-(5-(5-(4-aminofluorophenyl)-1H-benzo[d]imidazolyl)-2',4'-difluoro-
[1,1'-biphenyl]yl)acetamide
The compound was prepared from the compound of Example 1(h) using the
procedure of Example 253. H NMR (300 MHz, DMSO-d ): δ 10.46 (s, 1H), 8.86 (s,
1H), 8.07 (s, 1H), 7.95 (s, 1H), 7.81-7.71 (m, 3H), 7.59 (d, 1H), 7.51-7.40 (m, 3H),
7.33-7.24 (m, 2H), 6.88-6.82 (m, 1H), 5.25 (brs, 2H), 2.12 (s, 3H); LC-MS (ESI):
Calculated mass: 472.15; Observed mass: 473.5 [M+H] (rt: 1.47 min).
Example 395.
N-(2',4'-difluoro(5-(1-methyl-1H-pyrazolyl)-1H-benzo[d]imidazolyl)-
[1,1'-biphenyl]yl)(4-methylpiperazinyl)acetamide
The compound was prepared from the compound of Example 2(a) using the
procedure of Example 233. H NMR (300 MHz, DMSO-d ): δ 10.37 (s, 1H), 8.89 (s,
1H), 8.23 (s, 1H), 8.14 (s, 1H), 8.01 (s, 1H), 7.97 (s, 1H), 7.89 (s, 1H), 7.76-7.72 (m,
2H), 7.66-7.64 (m, 2H), 7.6 (s, 1H), 7.49-7.44 (m, 1H), 7.31-7.26 (dt, 1H), 3.88 (s, 3H),
3.46 (s, 3H), 3.5-3.4 (br, 2H), 3.16 (s, 4H), 2.8 (s, 4H); LC-MS (ESI): Calculated mass:
541.59; Observed mass: 542.1 [M+H] (rt: 0.1 min).
Example 396.
N-(3-(5-fluoropyridinyl)(5-(1-methyl-1H-pyrazolyl)-1H-benzo[d]-
imidazolyl)phenyl)cyclopropanesulfonamide
a) N-(3-(5-(1-methyl-1H-pyrazolyl)-1H-benzo[d]imidazolyl)(4,4,5,5-
tetramethyl-1,3,2-dioxaborolanyl)phenyl)acetamide
A solution of the compound of Example 277(c) (0.9 g, 2.2 mmol) in 1,4-dioxane
(20 ml) was degassed by N bubbling for 5 min. Bis(pinacolato)diboron (0.67 g, 0.1855
mmol, 1.2 eq.) was added and the mixture was degassed for another 5 min. Pd(dppf)Cl
(0.0107g, 0.0131 mmol, 0.05 eq.) and potassium acetate (0.539 g, 5.49 mmol, 2.5 eq.)
were added sequentially and the mixture was further degassed for 5 min and then heated
at 100 C for 12 h. The mixture was quenched and extracted as in Example 1(d). The
solvent was distilled off to afford the crude residue, which was washed with hexane to
H NMR (300 MHz, DMSO-d6): δ 10.31 (s, 1H),
afford the title crude product (1.1 g).
8.58 (s, 1H), 8.19-8.18 (m, 1H), 7.98-7.94 (m, 3H), 7.58 (m, 2H), 7.49 (m, 1 H), 3.89 (s,
3H), 2.10 (s, 3H), 1.33 (s, 6H), 1.17 (s, 6H); LC-MS (ESI): Calculated mass: 457.23;
Observed mass: 457.90 [M+H] (rt: 0.480-0.493 min).
b) N-(3-(5-fluoropyridinyl)(5-(1-methyl-1H-pyrazolyl)-1H-benzo[d]-
imidazolyl)phenyl)acetamide
A solution of 2-bromofluoropyridine (0.2 g, 1.136 mmol) in 1,2-dimethoxy-
ethane (16 ml) was degassed by N bubbling for 5 min. The compound of Example
396(a) (1.03 g, 2.253 mmol, 2.0 eq.) was added and the mixture was degassed for
another 5 min. Pd(dppf)Cl (0.0463 g, 0.0567mmol, 0.05 eq.) and aqueous sodium
carbonate (0.3 g, 2.83 mmol, 2.5 eq.) were added sequentially and the mixture was
further degassed for 5 min and then heated at 90 C for 3 h. The mixture was quenched
and extracted as in Example 1(d). The solvent was distilled off to afford the crude
residue which was purified by column chromatography (60-120 silica gel, 3 % methanol
in DCM) to afford the title product in 52 % yield (250 mg). H NMR (400 MHz, DMSO-
d6): δ 8.59 (m, 1H), 8.53 (s, 1H), 8.19 (m, 1H), 8.13 (m, 1H), 8.03-8.01 (m, 1H), 7.96-
7.91 (m, 1H), 7.88 (m, 1H), 7.76-7.71 (m, 1H), 7.65-7.57 (m,3H), 7.56-7.48 (m, 1 H),
3.89 (s, 3H), 2.10 (s, 3H).LC-MS (ESI): Calculated mass 426.16; Observed mass: 427.1
[M+H] (rt: 0.491 min).
c) 3-(5-Fluoropyridinyl)(5-(1-methyl-1H-pyrazolyl)-1H-benzo[d]-
imidazolyl) aniline
To a solution of the compound of Example 396(b) (250 mg, 0.586 mmol) in
ethanol (30 ml) was added aqueous solution of NaOH (230 mg, 5.75 mmol, 10 eq.) and
the mixture was heated at 85 C for 16 h. The mixture was quenched and extracted as in
Example 1(d). The solvent was distilled off to afford the crude residue which was taken
to the next step without further purification. Yield 250 mg. LC-MS (API): Calculated
mass: 384.15; Observed mass: 385.2 [M+H] (rt: 0.312 to 0.413 min).
d) N-(3-(5-fluoropyridinyl)(5-(1-methyl-1H-pyrazolyl)-1H-
benzo[d]imidazolyl)phenyl)cyclopropanesulfonamide
To a solution of the compound of Example 396(c) (250 mg, 0.651 mmol) in THF
(15 ml) was added pyridine (0.154 g, 1.946 mmol, 3.0 eq.) followed by cyclopropane-
sulfonyl chloride (0.11 g, 0.7746 mmol, 1.2 eq.). The reaction was stirred at RT for 12
h, and quenched and extracted as in Example 1(d). The solvent was distilled off to
afford the crude residue which was purified by preparative HPLC to afford the product
in 5 % yield (15.6 mg). H NMR (400 MHz, DMSO-d ): δ 10.25 (s, 1H), 8.74-8.73 (d,
1H), 8.70 (s, 1H), 8.22-8.18 (m, 2H), 8.07-8.00 (m, 3H), 7.94-7.91 (m, 2 H), 7.67-7.65
(m, 1H), 7.61-7.59 (m, 2H), 3.87 (s, 3H), 2.84 (m, 1H), 1.01-0.996 (m, 4H); LC-MS
(ESI): Calculated mass: 488.14; Observed mass: 489.1 [M+H] (rt: 0.847 to 1.048 min).
Abbreviations:
RT - Room temperature
rt - Retention time
BINAP - 2,2'-bis(diphenylphosphino)-1,1'-binaphthyl
DMF - N,N-dimethylformamide
THF - Tetrahydrofuran
TEA - Triethyl amine
DCM – Dichloromethane
DMSO - Dimethylsulfoxide
EDC - 1-Ethyl(3-dimethylaminopropyl) carbodiimide hydrochloride
HATU - 2-(1Hazabenzotriazolyl)-1,1,3,3-tetramethyl uronium hexafluoro-
phosphate methanaminium
HOBt - Hydroxybenzotriazole
DIPEA - N,N-diisopropylethylamine
TBAF - tetra-n-butylammonium fluoride
Pd(dppf)Cl - 1,1'-Bis(diphenylphosphino)ferrocene-palladium(II)dichloride
Pd(PPh ) - Tetrakis(triphenylphosphine)palladium(0)
Pd (dba) - Tris(dibenzylideneacetone)dipalladium(0)
Claims (24)
- What we claim is: 5 1. A compound of formula (I) wherein Z is CH or N; 10 G is a group of formula wherein A is a phenyl ring or a 5-12 membered heterocyclic ring, and 15 R is H, C alkyl, C cycloalkyl, C cycloalkyl C alkyl, C alkoxy, C 1 1-7 3-7 3-7 1-7 1-7 1-7 alkyl carbonyl, amino, hydroxy, hydroxy C alkyl, C alkylamino C alkyl, phenyl 1-7 1-7 1-7 C alkoxy, -NHC(O)-R , -R -C(O)-R , -SO -R or -E-R , and 1-7 21 12 13 2 14 6 R is H, halogen, C alkyl or oxo; 2 1-7 B is a 5-12 membered carbocyclic or heterocyclic ring; 20 R is H, halogen, C alkyl, C alkoxy, cyano or an optionally substituted 5-6 3 1-7 1-7 membered heterocyclic ring; R is H, halogen, C alkyl or oxo; 4 1-7 M is hydroxyl, C alkyl or -NHR ; 1-7 5 R is H, -C(O)R , -SO R , -C(O)-D-R or an optionally substituted 5-6 5 7 2 8 9 25 membered heterocyclic ring; R is an optionally substituted 5-6 membered heterocyclic ring; R is C alkyl, C alkenyl, C cycloalkyl, C alkoxy, C alkoxy C alkyl, 7 1-7 2-7 3-7 1-7 1-7 1-7 carboxy C alkyl, C alkoxy carbonyl C alkyl, C alkylamino C alkyl, -NH-R 1-7 1-7 1-7 1-7 1-7 10 or -NH-X -R ; 1 11 5 R is C alkyl, C alkenyl, C cycloalkyl, hydroxy C alkyl, -NR R , -NH- 8 1-7 2-7 3-7 1-7 18 19 X -R , phenyl or an optionally substituted 5-6 membered heterocyclic ring; 2 20 R is phenyl or an optionally substituted 5-6 membered heterocyclic ring; R is C alkyl or C cycloalkyl; 10 1-7 3-7 R is phenyl or an optionally substituted 5-6 membered heterocyclic ring; 10 R and R are C alkyl; 12 21 1-7 R is C alkoxy, amino or hydroxy; 13 1-7 R is C alkyl or C cycloalkyl; 14 1-7 3-7 R and R are, independently, H, C alkyl or C cycloalkyl; 18 19 1-7 3-7 R is phenyl or an optionally substituted 5-6 membered heterocyclic ring; 15 E is a bond or a C alkyl; D is a bond or a C alkyl; X and X are, independently, a bond or C alkyl; 1 2 1-7 and pharmaceutically acceptable salts thereof.
- 2. A compound according claim 1, wherein M is -NHR . 20
- 3. A compound according to claim 1 or 2, wherein ring A is any one of the following groups or tautomers thereof (6') (1') (2') (4') (5') (3') (11') (12') (9') (10') (8') (7')
- 4. A compound according to any one of claims 1 -3, wherein ring B is any one of the following groups or tautomers thereof
- 5. A compound according to any one of claims 1 to4, wherein Z is CH.
- 6. A compound according to any one of claims 1 to4, wherein Z is N.
- 7. A compound according to any one of claims 1 to6, wherein G is a group of formula wherein A is a ring of formula (1’), (2’), (3’), (4’), (5’), (7’), (10’), (12’), (14’), (16’) or (20’); 15 R is H, C alkyl, C alkoxy, hydroxy C alkyl, C alkylamino C alkyl or 1 1-7 1-7 1-7 1-7 1-7 -E-R ; R is H; B is a ring of formula (1’’), (2’’), (3’’), (4’’) or (6’’); E is a bond or C alkyl; 20 R is any of the following groups R is H, halogen, C alkyl, C alkoxy or cyano; 3 1-7 1-7 R is H or halogen; M is -NHR ; R is –C(O)R , -SO R or –C(O)-D-R or any one of the following groups 5 7 2 8 9 R is C alkyl, C alkenyl, -NH-R or -NH-X -R ; 7 1-7 2-7 10 1 11 5 R is C alkyl, C alkenyl, C cycloalkyl, hydroxy C alkyl, -NR R -NH- 8 1-7 2-7 3-7 1-7 18 19, X -R , phenyl or a group 2 20 R is phenyl or a any one of the following groups R is C alkyl or C cycloalkyl; 10 1-7 3-7 R is phenyl, 4-fluorophenyl, or any one of the following groups (c') R and R are, independently, H, C alkyl or C cycloalkyl; 18 19 1-7 3-7 R is a group 20 X and X are, independently, a bond or C alkyl, and 1 2 1-7 D is a bond or C alkyl.
- 8. A compound according to any one of claims 1 to7, wherein B is a ring of formula (1’’) or (6’’).
- 9. A compound according to any one of claims 1 to8, wherein A is a ring of formula (1’), (2’), (4’), (7’), (10’), (14’), (16’) or (20’). 5
- 10. A compound according to any one of claims 1 to 9, wherein B is phenyl, R is halogen and R is H or halogen.
- 11. A compound according to any one of claims 1 to 10, wherein M is -NHC(O)R , wherein R is C alkyl, C alkenyl, C cycloalkyl, -NH-R or -NH-X - 7 7 1-7 2-7 3-7 10 1 R , wherein R is C alkyl or C cycloalkyl, X is a bond or C alkyl, and R is a 5- 11 10 1-7 3-7 1 1-7 11 10 6 membered heterocyclic ring optionally substituted by one or two C alkyl groups.
- 12. A compound according to any one of claims 1 to 10, wherein M is - NHSO R wherein R is C alkyl, C alkenyl, C cycloalkyl, phenyl, or NR R 2 8 8 1-7 2-7 3-7 18 19 wherein R and R are, independently, H, C alkyl or C cycloalkyl. 18 19 1-7 3-7
- 13. A compound according to any one of claims 1 to 10, wherein or M is 15 -NHC(O)-D-R wherein D is bond or C alkyl, and R is a 5-6 membered heterocyclic 9 1-7 9 ring optionally substituted by one or two C alkyl groups.
- 14. A compound according to any one of claims 1 to 10, wherein R is a 5-6 membered heterocyclic ring optionally substituted by one or two C alkyl groups.
- 15. A pharmaceutical composition comprising a compound of any one of claims 20 1-14 together with a pharmaceutically acceptable carrier.
- 16. Use of a compound of any one of claims 1-14 in the manufacture of a medicament for the treatment of a condition where FGFR kinase inhibition is desired.
- 17. Use of a compound of any one of claims 1-14 in the manufacture of a medicament for the treatment of cancer. 25
- 18. A compound of any one of claims 1-14 for use in the treatment of a condition where FGFR kinase inhibition is desired.
- 19. A compound of any one of claims 1-14 for use in the treatment of cancer.
- 20. A compound of any one of claims 1-14 for use as a medicament.
- 21. A compound of any one of claims 1-14 substantially as herein described with 30 reference to any example thereof.
- 22. A pharmaceutical composition of claim 15 substantially as herein described with reference to any example thereof.
- 23. Use of claim 16 or 17 substantially as herein described with reference to any example thereof. 35
- 24. A compound of any one of claims 1-14 for use according to any one of claims 18-20 substantially as herein described with reference to any example thereof.
Applications Claiming Priority (3)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
IN1306/KOL/2011 | 2011-10-10 | ||
IN1306KO2011 | 2011-10-10 | ||
PCT/FI2012/000040 WO2013053983A1 (en) | 2011-10-10 | 2012-10-09 | Protein kinase inhibitors |
Publications (2)
Publication Number | Publication Date |
---|---|
NZ623627A NZ623627A (en) | 2015-04-24 |
NZ623627B2 true NZ623627B2 (en) | 2015-07-28 |
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