WO2010004761A1 - キノリンカルボキサミド誘導体を有効成分とするstat3阻害剤 - Google Patents
キノリンカルボキサミド誘導体を有効成分とするstat3阻害剤 Download PDFInfo
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- WO2010004761A1 WO2010004761A1 PCT/JP2009/003235 JP2009003235W WO2010004761A1 WO 2010004761 A1 WO2010004761 A1 WO 2010004761A1 JP 2009003235 W JP2009003235 W JP 2009003235W WO 2010004761 A1 WO2010004761 A1 WO 2010004761A1
- Authority
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- WIPO (PCT)
- Prior art keywords
- group
- substituted
- unsubstituted
- compound
- quinolinecarboxamide
- Prior art date
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- ZEXKKIXCRDTKBF-UHFFFAOYSA-N quinoline-2-carboxamide Chemical class C1=CC=CC2=NC(C(=O)N)=CC=C21 ZEXKKIXCRDTKBF-UHFFFAOYSA-N 0.000 title claims abstract description 60
- 239000003112 inhibitor Substances 0.000 title claims abstract description 47
- 239000004480 active ingredient Substances 0.000 title claims abstract description 35
- 101150099493 STAT3 gene Proteins 0.000 title 1
- 150000003839 salts Chemical class 0.000 claims abstract description 75
- 108010017324 STAT3 Transcription Factor Proteins 0.000 claims abstract description 67
- 125000000217 alkyl group Chemical group 0.000 claims abstract description 49
- 125000001997 phenyl group Chemical group [H]C1=C([H])C([H])=C(*)C([H])=C1[H] 0.000 claims abstract description 38
- 125000002541 furyl group Chemical group 0.000 claims abstract description 25
- 125000001544 thienyl group Chemical group 0.000 claims abstract description 25
- 229910052717 sulfur Inorganic materials 0.000 claims abstract description 23
- 125000002947 alkylene group Chemical group 0.000 claims abstract description 8
- 102000004495 STAT3 Transcription Factor Human genes 0.000 claims abstract 18
- 150000001875 compounds Chemical class 0.000 claims description 436
- YMWUJEATGCHHMB-UHFFFAOYSA-N Dichloromethane Chemical compound ClCCl YMWUJEATGCHHMB-UHFFFAOYSA-N 0.000 claims description 78
- 125000006615 aromatic heterocyclic group Chemical group 0.000 claims description 78
- 125000003118 aryl group Chemical group 0.000 claims description 63
- -1 alicyclic hydrocarbon Chemical class 0.000 claims description 56
- 125000004435 hydrogen atom Chemical group [H]* 0.000 claims description 37
- 125000006848 alicyclic heterocyclic group Chemical group 0.000 claims description 36
- 125000000753 cycloalkyl group Chemical group 0.000 claims description 35
- 125000003342 alkenyl group Chemical group 0.000 claims description 31
- 125000003710 aryl alkyl group Chemical group 0.000 claims description 31
- 125000000304 alkynyl group Chemical group 0.000 claims description 29
- 125000004430 oxygen atom Chemical group O* 0.000 claims description 24
- 125000000623 heterocyclic group Chemical group 0.000 claims description 23
- HEDRZPFGACZZDS-UHFFFAOYSA-N Chloroform Chemical compound ClC(Cl)Cl HEDRZPFGACZZDS-UHFFFAOYSA-N 0.000 claims description 22
- 125000004434 sulfur atom Chemical group 0.000 claims description 20
- 125000005843 halogen group Chemical group 0.000 claims description 17
- QJGQUHMNIGDVPM-UHFFFAOYSA-N nitrogen group Chemical group [N] QJGQUHMNIGDVPM-UHFFFAOYSA-N 0.000 claims description 17
- 125000004076 pyridyl group Chemical group 0.000 claims description 15
- 125000003545 alkoxy group Chemical group 0.000 claims description 14
- 229910052801 chlorine Inorganic materials 0.000 claims description 12
- 125000001309 chloro group Chemical group Cl* 0.000 claims description 12
- 125000000449 nitro group Chemical group [O-][N+](*)=O 0.000 claims description 11
- 125000000956 methoxy group Chemical group [H]C([H])([H])O* 0.000 claims description 10
- 239000002246 antineoplastic agent Substances 0.000 claims description 9
- 125000004093 cyano group Chemical group *C#N 0.000 claims description 8
- 125000002496 methyl group Chemical group [H]C([H])([H])* 0.000 claims description 8
- 125000001624 naphthyl group Chemical group 0.000 claims description 8
- 125000000876 trifluoromethoxy group Chemical group FC(F)(F)O* 0.000 claims description 8
- 125000005504 styryl group Chemical group 0.000 claims description 7
- WKBOTKDWSSQWDR-UHFFFAOYSA-N Bromine atom Chemical group [Br] WKBOTKDWSSQWDR-UHFFFAOYSA-N 0.000 claims description 6
- 229910052731 fluorine Inorganic materials 0.000 claims description 6
- 125000001153 fluoro group Chemical group F* 0.000 claims description 6
- 125000004464 hydroxyphenyl group Chemical group 0.000 claims description 5
- 125000002723 alicyclic group Chemical group 0.000 claims description 4
- 125000000175 2-thienyl group Chemical group S1C([*])=C([H])C([H])=C1[H] 0.000 claims description 3
- 239000004215 Carbon black (E152) Substances 0.000 claims description 3
- 125000005343 heterocyclic alkyl group Chemical group 0.000 claims description 3
- 229930195733 hydrocarbon Natural products 0.000 claims description 3
- YZCKVEUIGOORGS-UHFFFAOYSA-N Hydrogen atom Chemical compound [H] YZCKVEUIGOORGS-UHFFFAOYSA-N 0.000 claims description 2
- 125000004426 substituted alkynyl group Chemical group 0.000 claims description 2
- 125000005346 substituted cycloalkyl group Chemical group 0.000 claims description 2
- 125000002029 aromatic hydrocarbon group Chemical group 0.000 claims 2
- 125000004785 fluoromethoxy group Chemical group [H]C([H])(F)O* 0.000 claims 1
- 125000001183 hydrocarbyl group Chemical group 0.000 claims 1
- 229910052760 oxygen Inorganic materials 0.000 abstract description 3
- 229910052736 halogen Inorganic materials 0.000 abstract 1
- 150000002367 halogens Chemical class 0.000 abstract 1
- 238000002330 electrospray ionisation mass spectrometry Methods 0.000 description 172
- 238000005160 1H NMR spectroscopy Methods 0.000 description 98
- 238000004519 manufacturing process Methods 0.000 description 59
- 239000000243 solution Substances 0.000 description 55
- 238000003786 synthesis reaction Methods 0.000 description 55
- 238000000034 method Methods 0.000 description 53
- 230000015572 biosynthetic process Effects 0.000 description 52
- 102100024040 Signal transducer and activator of transcription 3 Human genes 0.000 description 49
- 238000001308 synthesis method Methods 0.000 description 39
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 description 31
- 239000002904 solvent Substances 0.000 description 27
- 239000000203 mixture Substances 0.000 description 25
- OSSAIQFBELCOGQ-UHFFFAOYSA-N 2-(4-fluorophenyl)quinoline-4-carboxylic acid Chemical compound N=1C2=CC=CC=C2C(C(=O)O)=CC=1C1=CC=C(F)C=C1 OSSAIQFBELCOGQ-UHFFFAOYSA-N 0.000 description 23
- 238000006243 chemical reaction Methods 0.000 description 22
- YTRMTPPVNRALON-UHFFFAOYSA-N 2-phenyl-4-quinolinecarboxylic acid Chemical compound N=1C2=CC=CC=C2C(C(=O)O)=CC=1C1=CC=CC=C1 YTRMTPPVNRALON-UHFFFAOYSA-N 0.000 description 21
- HEMHJVSKTPXQMS-UHFFFAOYSA-M Sodium hydroxide Chemical compound [OH-].[Na+] HEMHJVSKTPXQMS-UHFFFAOYSA-M 0.000 description 21
- IAZDPXIOMUYVGZ-UHFFFAOYSA-N Dimethylsulphoxide Chemical compound CS(C)=O IAZDPXIOMUYVGZ-UHFFFAOYSA-N 0.000 description 20
- 206010028980 Neoplasm Diseases 0.000 description 20
- JUJWROOIHBZHMG-UHFFFAOYSA-N Pyridine Chemical compound C1=CC=NC=C1 JUJWROOIHBZHMG-UHFFFAOYSA-N 0.000 description 20
- WYURNTSHIVDZCO-UHFFFAOYSA-N Tetrahydrofuran Chemical compound C1CCOC1 WYURNTSHIVDZCO-UHFFFAOYSA-N 0.000 description 20
- ZMXDDKWLCZADIW-UHFFFAOYSA-N N,N-Dimethylformamide Chemical compound CN(C)C=O ZMXDDKWLCZADIW-UHFFFAOYSA-N 0.000 description 19
- OKKJLVBELUTLKV-UHFFFAOYSA-N Methanol Chemical compound OC OKKJLVBELUTLKV-UHFFFAOYSA-N 0.000 description 18
- 210000004027 cell Anatomy 0.000 description 17
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- 239000011541 reaction mixture Substances 0.000 description 16
- XEKOWRVHYACXOJ-UHFFFAOYSA-N Ethyl acetate Chemical compound CCOC(C)=O XEKOWRVHYACXOJ-UHFFFAOYSA-N 0.000 description 15
- 125000004432 carbon atom Chemical group C* 0.000 description 14
- 150000001732 carboxylic acid derivatives Chemical class 0.000 description 14
- 238000004992 fast atom bombardment mass spectroscopy Methods 0.000 description 14
- 229920006395 saturated elastomer Polymers 0.000 description 14
- 238000012360 testing method Methods 0.000 description 14
- 238000007796 conventional method Methods 0.000 description 13
- RNARLYVZVOWYHW-UHFFFAOYSA-N 5-(furan-2-yl)-1,3,4-oxadiazol-2-amine Chemical compound O1C(N)=NN=C1C1=CC=CO1 RNARLYVZVOWYHW-UHFFFAOYSA-N 0.000 description 12
- 239000007821 HATU Substances 0.000 description 12
- VEXZGXHMUGYJMC-UHFFFAOYSA-N Hydrochloric acid Chemical compound Cl VEXZGXHMUGYJMC-UHFFFAOYSA-N 0.000 description 12
- PMZURENOXWZQFD-UHFFFAOYSA-L Sodium Sulfate Chemical compound [Na+].[Na+].[O-]S([O-])(=O)=O PMZURENOXWZQFD-UHFFFAOYSA-L 0.000 description 12
- YXFVVABEGXRONW-UHFFFAOYSA-N Toluene Chemical compound CC1=CC=CC=C1 YXFVVABEGXRONW-UHFFFAOYSA-N 0.000 description 12
- ZMANZCXQSJIPKH-UHFFFAOYSA-N Triethylamine Chemical compound CCN(CC)CC ZMANZCXQSJIPKH-UHFFFAOYSA-N 0.000 description 12
- YLQBMQCUIZJEEH-UHFFFAOYSA-N tetrahydrofuran Natural products C=1C=COC=1 YLQBMQCUIZJEEH-UHFFFAOYSA-N 0.000 description 12
- FPIRBHDGWMWJEP-UHFFFAOYSA-N 1-hydroxy-7-azabenzotriazole Chemical compound C1=CN=C2N(O)N=NC2=C1 FPIRBHDGWMWJEP-UHFFFAOYSA-N 0.000 description 11
- 150000001412 amines Chemical class 0.000 description 11
- NPZTUJOABDZTLV-UHFFFAOYSA-N hydroxybenzotriazole Substances O=C1C=CC=C2NNN=C12 NPZTUJOABDZTLV-UHFFFAOYSA-N 0.000 description 11
- 125000001424 substituent group Chemical group 0.000 description 11
- 125000002941 2-furyl group Chemical group O1C([*])=C([H])C([H])=C1[H] 0.000 description 10
- RTZKZFJDLAIYFH-UHFFFAOYSA-N Diethyl ether Chemical compound CCOCC RTZKZFJDLAIYFH-UHFFFAOYSA-N 0.000 description 10
- 239000013078 crystal Substances 0.000 description 10
- 238000001914 filtration Methods 0.000 description 10
- RORNLRJDQSBUKJ-UHFFFAOYSA-N n-[[(4,5-dimethylfuran-2-carbonyl)amino]carbamothioyl]-2-phenylquinoline-4-carboxamide Chemical compound O1C(C)=C(C)C=C1C(=O)NNC(=S)NC(=O)C1=CC(C=2C=CC=CC=2)=NC2=CC=CC=C12 RORNLRJDQSBUKJ-UHFFFAOYSA-N 0.000 description 10
- UMJSCPRVCHMLSP-UHFFFAOYSA-N pyridine Natural products COC1=CC=CN=C1 UMJSCPRVCHMLSP-UHFFFAOYSA-N 0.000 description 10
- LWIHDJKSTIGBAC-UHFFFAOYSA-K tripotassium phosphate Chemical compound [K+].[K+].[K+].[O-]P([O-])([O-])=O LWIHDJKSTIGBAC-UHFFFAOYSA-K 0.000 description 10
- UHOVQNZJYSORNB-UHFFFAOYSA-N Benzene Chemical compound C1=CC=CC=C1 UHOVQNZJYSORNB-UHFFFAOYSA-N 0.000 description 9
- 239000000843 powder Substances 0.000 description 9
- 238000010898 silica gel chromatography Methods 0.000 description 9
- WIKBZUXHNPONPP-UHFFFAOYSA-N 1,1,1,3,3,3-hexafluoro-2-iodo-2-(trifluoromethyl)propane Chemical compound FC(F)(F)C(I)(C(F)(F)F)C(F)(F)F WIKBZUXHNPONPP-UHFFFAOYSA-N 0.000 description 8
- HBKKFPXOPGPSIH-UHFFFAOYSA-N 2-(4-fluorophenyl)-n-[5-(furan-2-yl)-1,3,4-oxadiazol-2-yl]quinoline-4-carboxamide Chemical compound C1=CC(F)=CC=C1C1=CC(C(=O)NC=2OC(=NN=2)C=2OC=CC=2)=C(C=CC=C2)C2=N1 HBKKFPXOPGPSIH-UHFFFAOYSA-N 0.000 description 8
- QTBSBXVTEAMEQO-UHFFFAOYSA-N Acetic acid Chemical compound CC(O)=O QTBSBXVTEAMEQO-UHFFFAOYSA-N 0.000 description 8
- UIIMBOGNXHQVGW-UHFFFAOYSA-M Sodium bicarbonate Chemical compound [Na+].OC([O-])=O UIIMBOGNXHQVGW-UHFFFAOYSA-M 0.000 description 8
- DTQVDTLACAAQTR-UHFFFAOYSA-N Trifluoroacetic acid Chemical compound OC(=O)C(F)(F)F DTQVDTLACAAQTR-UHFFFAOYSA-N 0.000 description 8
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- 201000011510 cancer Diseases 0.000 description 8
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- 230000005764 inhibitory process Effects 0.000 description 8
- BWHMMNNQKKPAPP-UHFFFAOYSA-L potassium carbonate Chemical compound [K+].[K+].[O-]C([O-])=O BWHMMNNQKKPAPP-UHFFFAOYSA-L 0.000 description 8
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- 150000004945 aromatic hydrocarbons Chemical group 0.000 description 7
- 230000010261 cell growth Effects 0.000 description 7
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- 125000002950 monocyclic group Chemical group 0.000 description 7
- 235000011121 sodium hydroxide Nutrition 0.000 description 7
- XHAJMVPMNOBILF-UHFFFAOYSA-N 5-(trifluoromethoxy)-1h-indole-2,3-dione Chemical compound FC(F)(F)OC1=CC=C2NC(=O)C(=O)C2=C1 XHAJMVPMNOBILF-UHFFFAOYSA-N 0.000 description 6
- WFDIJRYMOXRFFG-UHFFFAOYSA-N Acetic anhydride Chemical compound CC(=O)OC(C)=O WFDIJRYMOXRFFG-UHFFFAOYSA-N 0.000 description 6
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- 101100532685 Caenorhabditis elegans scc-3 gene Proteins 0.000 description 6
- SMWDFEZZVXVKRB-UHFFFAOYSA-N Quinoline Chemical compound N1=CC=CC2=CC=CC=C21 SMWDFEZZVXVKRB-UHFFFAOYSA-N 0.000 description 6
- VYPSYNLAJGMNEJ-UHFFFAOYSA-N Silicium dioxide Chemical compound O=[Si]=O VYPSYNLAJGMNEJ-UHFFFAOYSA-N 0.000 description 6
- 230000002401 inhibitory effect Effects 0.000 description 6
- QMIGETCKSCOQTQ-UHFFFAOYSA-N n-[5-(4-methoxyphenyl)-1,3,4-oxadiazol-2-yl]-2-phenylquinoline-4-carboxamide Chemical compound C1=CC(OC)=CC=C1C(O1)=NN=C1NC(=O)C1=CC(C=2C=CC=CC=2)=NC2=CC=CC=C12 QMIGETCKSCOQTQ-UHFFFAOYSA-N 0.000 description 6
- 125000003367 polycyclic group Chemical group 0.000 description 6
- SOGBOGBTIKMGFS-UHFFFAOYSA-N thiophene-2-carbohydrazide Chemical compound NNC(=O)C1=CC=CS1 SOGBOGBTIKMGFS-UHFFFAOYSA-N 0.000 description 6
- 0 *c1nnc(CCC*N(*)C(c2c(*)c(*)nc3c2c(*)c(*)c(*)c3*)=O)[o]1 Chemical compound *c1nnc(CCC*N(*)C(c2c(*)c(*)nc3c2c(*)c(*)c(*)c3*)=O)[o]1 0.000 description 5
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- PFUWHIZWFWQRAF-UHFFFAOYSA-N 2-(2-aminophenyl)-n-[5-(furan-2-yl)-1,3,4-oxadiazol-2-yl]quinoline-4-carboxamide Chemical compound NC1=CC=CC=C1C1=CC(C(=O)NC=2OC(=NN=2)C=2OC=CC=2)=C(C=CC=C2)C2=N1 PFUWHIZWFWQRAF-UHFFFAOYSA-N 0.000 description 5
- OBQCFMYCDUQSST-UHFFFAOYSA-N 2-phenyl-6-(trifluoromethoxy)quinoline-4-carboxylic acid Chemical compound N=1C2=CC=C(OC(F)(F)F)C=C2C(C(=O)O)=CC=1C1=CC=CC=C1 OBQCFMYCDUQSST-UHFFFAOYSA-N 0.000 description 5
- NMZRJSIRDKOKCW-UHFFFAOYSA-N 2-phenyl-n-[(thiophene-2-carbonylamino)carbamothioyl]-6-(trifluoromethoxy)quinoline-4-carboxamide Chemical compound C12=CC(OC(F)(F)F)=CC=C2N=C(C=2C=CC=CC=2)C=C1C(=O)NC(=S)NNC(=O)C1=CC=CS1 NMZRJSIRDKOKCW-UHFFFAOYSA-N 0.000 description 5
- AFHGMYUEOXZDBM-UHFFFAOYSA-N 2-phenylquinoline-4-carbonyl chloride Chemical compound N=1C2=CC=CC=C2C(C(=O)Cl)=CC=1C1=CC=CC=C1 AFHGMYUEOXZDBM-UHFFFAOYSA-N 0.000 description 5
- 206010025323 Lymphomas Diseases 0.000 description 5
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- 229910052751 metal Inorganic materials 0.000 description 5
- 239000002184 metal Chemical class 0.000 description 5
- HPALAKNZSZLMCH-UHFFFAOYSA-M sodium;chloride;hydrate Chemical class O.[Na+].[Cl-] HPALAKNZSZLMCH-UHFFFAOYSA-M 0.000 description 5
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- MFSHNFBQNVGXJX-UHFFFAOYSA-N 2-oxo-1,2-dihydroquinoline-4-carboxylic acid Chemical compound C1=CC=C2C(C(=O)O)=CC(=O)NC2=C1 MFSHNFBQNVGXJX-UHFFFAOYSA-N 0.000 description 4
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- HQKMJHAJHXVSDF-UHFFFAOYSA-L magnesium stearate Chemical compound [Mg+2].CCCCCCCCCCCCCCCCCC([O-])=O.CCCCCCCCCCCCCCCCCC([O-])=O HQKMJHAJHXVSDF-UHFFFAOYSA-L 0.000 description 4
- LTRWOPHBDJBIBD-UHFFFAOYSA-N n-(5-phenyl-1,3,4-oxadiazol-2-yl)-2-thiophen-2-ylquinoline-4-carboxamide Chemical compound C=1C(C=2SC=CC=2)=NC2=CC=CC=C2C=1C(=O)NC(O1)=NN=C1C1=CC=CC=C1 LTRWOPHBDJBIBD-UHFFFAOYSA-N 0.000 description 4
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- DBTLEBSXXQGFJD-UHFFFAOYSA-N n-[5-(furan-2-yl)-1,3,4-oxadiazol-2-yl]-2-(4-nitrophenyl)quinoline-4-carboxamide Chemical compound C1=CC([N+](=O)[O-])=CC=C1C1=CC(C(=O)NC=2OC(=NN=2)C=2OC=CC=2)=C(C=CC=C2)C2=N1 DBTLEBSXXQGFJD-UHFFFAOYSA-N 0.000 description 4
- MNPXTRXFUMGQLK-UHFFFAOYSA-N n-[5-(furan-2-yl)-1,3,4-oxadiazol-2-yl]-2-phenylquinoline-4-carboxamide Chemical compound C=1C(C=2C=CC=CC=2)=NC2=CC=CC=C2C=1C(=O)NC(O1)=NN=C1C1=CC=CO1 MNPXTRXFUMGQLK-UHFFFAOYSA-N 0.000 description 4
- RMUMKXHCCRAKPL-UHFFFAOYSA-N n-[5-(furan-2-yl)-1,3,4-oxadiazol-2-yl]-6-iodo-2-phenylquinoline-4-carboxamide Chemical compound C12=CC(I)=CC=C2N=C(C=2C=CC=CC=2)C=C1C(=O)NC(O1)=NN=C1C1=CC=CO1 RMUMKXHCCRAKPL-UHFFFAOYSA-N 0.000 description 4
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Classifications
-
- C—CHEMISTRY; METALLURGY
- C07—ORGANIC CHEMISTRY
- C07D—HETEROCYCLIC COMPOUNDS
- C07D401/00—Heterocyclic compounds containing two or more hetero rings, having nitrogen atoms as the only ring hetero atoms, at least one ring being a six-membered ring with only one nitrogen atom
- C07D401/02—Heterocyclic compounds containing two or more hetero rings, having nitrogen atoms as the only ring hetero atoms, at least one ring being a six-membered ring with only one nitrogen atom containing two hetero rings
- C07D401/12—Heterocyclic compounds containing two or more hetero rings, having nitrogen atoms as the only ring hetero atoms, at least one ring being a six-membered ring with only one nitrogen atom containing two hetero rings linked by a chain containing hetero atoms as chain links
-
- A—HUMAN NECESSITIES
- A61—MEDICAL OR VETERINARY SCIENCE; HYGIENE
- A61K—PREPARATIONS FOR MEDICAL, DENTAL OR TOILETRY PURPOSES
- A61K31/00—Medicinal preparations containing organic active ingredients
- A61K31/33—Heterocyclic compounds
- A61K31/395—Heterocyclic compounds having nitrogen as a ring hetero atom, e.g. guanethidine or rifamycins
- A61K31/435—Heterocyclic compounds having nitrogen as a ring hetero atom, e.g. guanethidine or rifamycins having six-membered rings with one nitrogen as the only ring hetero atom
- A61K31/47—Quinolines; Isoquinolines
- A61K31/4709—Non-condensed quinolines and containing further heterocyclic rings
-
- A—HUMAN NECESSITIES
- A61—MEDICAL OR VETERINARY SCIENCE; HYGIENE
- A61P—SPECIFIC THERAPEUTIC ACTIVITY OF CHEMICAL COMPOUNDS OR MEDICINAL PREPARATIONS
- A61P19/00—Drugs for skeletal disorders
- A61P19/02—Drugs for skeletal disorders for joint disorders, e.g. arthritis, arthrosis
-
- A—HUMAN NECESSITIES
- A61—MEDICAL OR VETERINARY SCIENCE; HYGIENE
- A61P—SPECIFIC THERAPEUTIC ACTIVITY OF CHEMICAL COMPOUNDS OR MEDICINAL PREPARATIONS
- A61P29/00—Non-central analgesic, antipyretic or antiinflammatory agents, e.g. antirheumatic agents; Non-steroidal antiinflammatory drugs [NSAID]
-
- A—HUMAN NECESSITIES
- A61—MEDICAL OR VETERINARY SCIENCE; HYGIENE
- A61P—SPECIFIC THERAPEUTIC ACTIVITY OF CHEMICAL COMPOUNDS OR MEDICINAL PREPARATIONS
- A61P35/00—Antineoplastic agents
-
- A—HUMAN NECESSITIES
- A61—MEDICAL OR VETERINARY SCIENCE; HYGIENE
- A61P—SPECIFIC THERAPEUTIC ACTIVITY OF CHEMICAL COMPOUNDS OR MEDICINAL PREPARATIONS
- A61P43/00—Drugs for specific purposes, not provided for in groups A61P1/00-A61P41/00
-
- C—CHEMISTRY; METALLURGY
- C07—ORGANIC CHEMISTRY
- C07D—HETEROCYCLIC COMPOUNDS
- C07D413/00—Heterocyclic compounds containing two or more hetero rings, at least one ring having nitrogen and oxygen atoms as the only ring hetero atoms
- C07D413/02—Heterocyclic compounds containing two or more hetero rings, at least one ring having nitrogen and oxygen atoms as the only ring hetero atoms containing two hetero rings
- C07D413/12—Heterocyclic compounds containing two or more hetero rings, at least one ring having nitrogen and oxygen atoms as the only ring hetero atoms containing two hetero rings linked by a chain containing hetero atoms as chain links
-
- C—CHEMISTRY; METALLURGY
- C07—ORGANIC CHEMISTRY
- C07D—HETEROCYCLIC COMPOUNDS
- C07D413/00—Heterocyclic compounds containing two or more hetero rings, at least one ring having nitrogen and oxygen atoms as the only ring hetero atoms
- C07D413/14—Heterocyclic compounds containing two or more hetero rings, at least one ring having nitrogen and oxygen atoms as the only ring hetero atoms containing three or more hetero rings
-
- C—CHEMISTRY; METALLURGY
- C07—ORGANIC CHEMISTRY
- C07D—HETEROCYCLIC COMPOUNDS
- C07D417/00—Heterocyclic compounds containing two or more hetero rings, at least one ring having nitrogen and sulfur atoms as the only ring hetero atoms, not provided for by group C07D415/00
- C07D417/02—Heterocyclic compounds containing two or more hetero rings, at least one ring having nitrogen and sulfur atoms as the only ring hetero atoms, not provided for by group C07D415/00 containing two hetero rings
- C07D417/12—Heterocyclic compounds containing two or more hetero rings, at least one ring having nitrogen and sulfur atoms as the only ring hetero atoms, not provided for by group C07D415/00 containing two hetero rings linked by a chain containing hetero atoms as chain links
-
- C—CHEMISTRY; METALLURGY
- C07—ORGANIC CHEMISTRY
- C07D—HETEROCYCLIC COMPOUNDS
- C07D417/00—Heterocyclic compounds containing two or more hetero rings, at least one ring having nitrogen and sulfur atoms as the only ring hetero atoms, not provided for by group C07D415/00
- C07D417/14—Heterocyclic compounds containing two or more hetero rings, at least one ring having nitrogen and sulfur atoms as the only ring hetero atoms, not provided for by group C07D415/00 containing three or more hetero rings
Definitions
- the present invention relates to a STAT3 inhibitor containing a quinolinecarboxamide derivative or a pharmacologically acceptable salt thereof as an active ingredient, and a novel quinolinecarboxamide derivative.
- STAT Signal Transducers and Activators Transcription
- IL-6 IL-6, interferon, etc.
- growth factors EGF, PDGF, etc.
- JAK Janus protein tyrosine kinase
- STAT When a growth factor binds to its receptor, a tyrosine kinase possessed by the growth factor receptor itself phosphorylates STAT (see, for example, Non-Patent Document 3). Phosphorylated STAT is activated by forming a dimer via its own Src homology 2 (SH2) domain. The activated STAT moves into the nucleus, specifically recognizes and binds to a specific DNA sequence in the gene promoter region, and induces transcription of many genes. That is, STAT is an essential mediator in a pathway for transmitting a signal from the cell surface to the nucleus, and is deeply involved in cell proliferation and differentiation.
- SH2 Src homology 2
- STAT six different members (STAT1, STAT2, STAT3, STAT4, STAT5 and STAT6) and several isoforms (STAT1 ⁇ , STAT1 ⁇ , STAT3 ⁇ and STAT3 ⁇ ) are known.
- STAT3 is expressed in most cell types (see, for example, Non-Patent Document 4), but its constant activation and overexpression are caused by breast cancer, lung cancer, prostate cancer, head and neck cancer, skin cancer.
- various cancer cells such as pancreatic cancer and ovarian cancer, myeloma, breast cancer, prostate cancer, brain tumor, head and neck cancer, melanoma, leukemia lymphoma and multiple myeloma (eg, non-cancerous) Patent Documents 5, 6, and 7), the proliferation and invasion of these cancer cells are thought to depend on STAT3.
- abnormal or constitutive expression of STAT3 is also involved in cell transformation (see, for example, Non-Patent Documents 8, 9, and 10). Therefore, since STAT3 is considered to be useful as a target molecule for these cancer types, its inhibitor is expected as an anticancer agent.
- antisense oligonucleotides complementary to the translation initiation region of STAT3 have been reported to inhibit TGF- ⁇ stimulated cell proliferation induced by epidermal growth factor receptor (EGFR) (eg, non-patented Reference 11).
- EGFR epidermal growth factor receptor
- STAT3 inhibitors are cancer therapeutic agents. And could be a prophylactic.
- Non-Patent Document 12 6-nitrobenzo [b] thiophene-1,1-dioxide
- Non-Patent Document 13 phosphorylated oligopeptide
- R represents an alkyl group, a cycloalkyl group, etc.
- R 1 represents an alkyl group, a heterocyclyl group, an aryl group, etc.
- aryl group examples include phenyl groups and aromatic heterocyclic groups such as pyridyl and quinolyl.
- An object of the present invention is to provide a STAT3 inhibitor containing a quinolinecarboxamide derivative or a pharmacologically acceptable salt thereof as an active ingredient. Furthermore, this invention is providing the anticancer agent and novel quinoline carboxamide derivative which contain this STAT3 inhibitor as an active ingredient.
- R 1 , R 2 , R 3 , R 4 , R 5 , R 6 , R 7 and R 8 are the same or different and each represents a hydrogen atom, a substituted or unsubstituted alkyl group, a substituted or unsubstituted cycloalkyl group, substituted or Unsubstituted alkenyl group, substituted or unsubstituted alkynyl group, substituted or unsubstituted alicyclic heterocyclic group, substituted or unsubstituted aryl group, substituted or unsubstituted aralkyl group, substituted or unsubstituted aromatic heterocyclic group, substituted or unsubstituted Substituted aromatic heterocyclic alkyl group, COR 9 (wherein R 9 is a hydrogen atom, substituted or unsubstituted alkyl group, substituted or unsubstituted cycloalkyl group, substituted or unsubstituted alkenyl
- R 19 and R 20 are synonymous with the R 11 and R 12
- R 19 and R 20 same or different, a hydrogen atom, a substituted or unsubstituted alkyl group, a substituted or unsubstituted cycloalkyl Group, substituted or unsubstituted alkenyl group, substituted or unsubstituted alkynyl group, substituted or unsubstituted alicyclic heterocyclic group, substituted or unsubstituted aryl group, substituted or unsubstituted aralkyl group, substituted or unsubstituted aromatic Heterocyclic group, a substituted or unsubstituted aromatic heterocyclic alkyl group, COR 21 (wherein, R 21, said R 9 as synonymous), COOR 22 (wherein, R 22 is synonymous with the R 9 SO 2 R 23 (wherein R 23 is as defined above for R 9 ), or R 19 and R 20 together represent a nitrogen-containing heterocyclic group], N
- the present invention also provides: (2) The following formula (Ia), wherein X is an oxygen atom
- the STAT3 inhibitor according to (12) above which contains, as an active ingredient, a quinolinecarboxamide derivative in which W is a single bond, or a pharmacologically acceptable salt thereof, (14)
- a STAT3 inhibitor according to (13) above characterized by comprising: (15) A quinolinecarboxamide derivative in which R 1 is a pyridyl group, R 3 is a substituted or unsubstituted phenyl group, a substituted or unsubstituted furyl group, a substituted or unsubstituted thienyl group, or
- the present invention also provides: (17) An anticancer agent comprising the STAT3 inhibitor according to any one of (1) to (16) as an active ingredient.
- the present invention also provides: (18) Formula (I-1)
- R 1 , R 2 , R 3 , R 4a , R 5a , R 6a , R 7a and R 8a are the same or different and each represents a hydrogen atom, a substituted or unsubstituted alkyl group, a substituted or unsubstituted cycloalkyl group, substituted or unsubstituted Unsubstituted alkenyl group, substituted or unsubstituted alkynyl group, substituted or unsubstituted alicyclic heterocyclic group, substituted or unsubstituted aryl group, substituted or unsubstituted aralkyl group, substituted or unsubstituted aromatic heterocyclic group, substituted or unsubstituted Substituted aromatic heterocyclic alkyl group, COR 9 (wherein R 9 is a hydrogen atom, substituted or unsubstituted alkyl group, substituted or unsubstituted cycloalkyl group
- R 4a , R 5a , R 6a , R 7a and R 8a is Represents a group other than a hydrogen atom
- W represents a single bond or a substituted or unsubstituted alkylene group
- X represents an oxygen atom, a sulfur atom or NR 34 (wherein R 34 has the same meaning as R 9 ) ⁇
- a quinolinecarboxamide derivative represented by or a pharmacologically acceptable salt thereof (19)
- X is an oxygen atom
- W is a single bond
- R 2 is a hydrogen atom.
- R 1a and R 3a are the same or different and each represents a substituted or unsubstituted aryl group or a substituted or unsubstituted aromatic heterocyclic group; R 4a , R 5a , R 6a , R 7a and R 8a are The same as above)
- the quinolinecarboxamide derivative according to the above (18) or a pharmacologically acceptable salt thereof characterized by being represented by: (20) The quinolinecarboxamide derivative according to the above (19), wherein the aryl group in R 1a and R 3a is a phenyl group, and the aromatic heterocyclic group is a furyl group or a thienyl group, or a pharmacologically thereof Acceptable salt, (21) The quinolinecarboxamide derivative according to any one of (19) and (20) above, wherein R 1a is a furyl group, and R 3a is a substituted or unsubstituted phenyl group, furyl group or thienyl group, or Pharmacologically acceptable salts of (22) At least one group of R 4a , R 5a , R 6a , R 7a and R 8a is a fluorine atom, a chlorine atom, a bromine atom, a methyl group, a phenyl group, a hydroxyphen
- R 3b represents a hydrogen atom, a substituted or unsubstituted alkyl group, a substituted or unsubstituted cycloalkyl group, a substituted or unsubstituted alkenyl group, a substituted or unsubstituted alkynyl group, a substituted or unsubstituted alicyclic heterocyclic group
- R 9 represents a hydrogen atom, a substituted or unsubstituted alkyl group, a substituted or unsubstituted cycloalkyl group, a substituted or unsubstituted alkenyl group, a substituted or unsubstituted alkynyl group, a substituted or unsubstituted alicyclic heterocyclic group
- R 9 represents a hydrogen atom, a substituted or unsubstituted alkyl group, a substituted or unsubstituted cycloalkyl group, a substituted or unsubstit
- R 19 and R 20 are the same or different and each represents a hydrogen atom, a substituted or unsubstituted alkyl group, a substituted or unsubstituted cycloalkyl group, a substituted or unsubstituted alkenyl group, substituted or unsubstituted Substituted alkynyl group, substituted or unsubstituted alicyclic heterocyclic group, substituted or unsubstituted aryl group, substituted or unsubstituted aralkyl group, substituted or unsubstituted aromatic heterocyclic group, substituted or unsubstituted aromatic Group heterocyclic alkyl group, COR 21 (wherein, R 21, said R 9 as synonymous), COOR 22 (wherein, R 22 is the same as defined in the R 9), SO 2 R 23 ( wherein R 23 is as defined above for R 9 ), or R 19 and R 20 together represent a nitrogen-containing heterocyclic group], N (
- R 3c represents a substituted phenyl group, a substituted or unsubstituted naphthyl group, a substituted or unsubstituted furyl group, a substituted thienyl group, a styryl group or an alkoxy group
- the quinoline carboxamide derivative (I) used in the present invention has an excellent STAT3 inhibitory activity that has not been known so far, and has an activity as an anticancer agent against various cancers.
- the alkyl group and the alkyl part of the alkoxy group are, for example, linear or branched alkyl having 1 to 12 carbon atoms, specifically, methyl, ethyl, propyl, isopropyl, butyl, isobutyl, sec-butyl, tert-butyl. Pentyl, isopentyl, neopentyl, hexyl, heptyl, octyl, nonyl, decyl, undecyl, dodecyl and the like.
- the cycloalkyl group is a 3- to 12-membered cycloalkyl group in which a saturated or partially unsaturated bond may be present, and is monocyclic or a plurality of the monocyclic cycloalkyl groups or an aryl group or an aromatic heterocycle. It may be a polycyclic condensed cycloalkyl group condensed with a cyclic group.
- Examples of the monocyclic cycloalkyl group include monocyclic cycloalkyl having 3 to 8 carbon atoms, specifically, cyclopropyl.
- Examples of the polycyclic cycloalkyl group include polycyclic cycloalkyl having 5 to 12 carbon atoms, specifically, Specifically, pinanyl, adamantyl, bicyclo [3.3.1] octyl, bicyclo [3.1.1] heptyl and the like can be mentioned.
- the alkenyl group is, for example, linear or branched alkenyl having 2 to 12 carbon atoms, specifically vinyl, allyl, 1-propenyl, isopropenyl, methacryl, butenyl, 1,3-butadienyl, crotyl, pentenyl, Hexenyl, heptenyl, decenyl, dodecenyl and the like can be mentioned.
- the alkynyl group is, for example, linear or branched alkynyl having 2 to 12 carbon atoms, specifically, ethynyl, propargyl, 1-propynyl, isopropynyl, 2-butynyl, pentynyl, 2-penten-4-ynyl, Hexinyl, heptynyl, decynyl, dodecynyl and the like can be mentioned.
- the alicyclic heterocyclic group is the same or different and contains at least one or more hetero atoms such as nitrogen, oxygen, sulfur and the like, and a 3- or 8-membered member which may have a saturated or partially unsaturated bond
- An alicyclic heterocyclic group which may be monocyclic or a polycyclic fused alicyclic heterocyclic group in which the monocyclic heterocyclic group is condensed with an aryl group or an aromatic heterocyclic group. Good.
- monocyclic alicyclic heterocyclic groups include aziridinyl, pyrrolidinyl, imidazolidinyl, imidazolinyl, pyrazolidinyl, pyrazolinyl, dihydrothiazolyl, tetrahydrofuranyl, 1,3-dioxolanyl, thiolanyl, oxazolidyl, thiazolidinyl, piperidino , Piperidyl, piperazinyl, homopiperidinyl, morpholino, morpholinyl, thiomorpholinyl, pyranyl, oxathianyl, oxadiazinyl, thiadiazinyl, dithiazinyl, azepinyl, dihydroazosinyl, and the like.
- polycyclic fused alicyclic heterocyclic group include , Indolinyl, isoindolinyl, chromanyl, isochronyl,
- aryl group examples include aryl having 6 to 14 carbon atoms, specifically, phenyl, naphthyl, anthryl, phenanthryl and the like.
- the aralkyl group has the same aryl part as the aryl group, and the alkyl part has the same meaning as the alkyl group.
- aralkyl having 7 to 15 carbon atoms specifically benzyl, phenethyl, phenylpropyl, phenylbutyl.
- the aromatic heterocyclic group is the same or different and consists of a 5- or 6-membered aromatic heterocyclic group containing at least one or more hetero atoms such as nitrogen, oxygen, sulfur and the like, It may be a monocyclic or a polycyclic fused aromatic heterocyclic group in which a plurality of the monocyclic heterocyclic groups are condensed with an aryl group, for example, a bicyclic or tricyclic heterocyclic group.
- the monocyclic aromatic heterocyclic group examples include furyl, thienyl, pyrrolyl, imidazolyl, pyrazolyl, triazolyl, tetrazolyl, oxazolyl, isoxazolyl, oxadiazolyl, thiazolyl, thiadiazolyl, isothiazolyl, pyridyl, pyrimidinyl, pyrazinyl, pyridazinyl, triazinyl
- the polycyclic fused aromatic heterocyclic group examples include benzofuryl, benzothienyl, indolyl, isoindolyl, indazolyl, benzimidazolyl, benzotriazolyl, benzoxazolyl, benzothiazolyl, carbazolyl, purinyl, quinolyl, isoquinolyl Quinazolinyl, phthalazinyl, quinoxalinyl, cinnolinyl,
- the aromatic heterocyclic alkyl group has the same aromatic heterocyclic moiety as the aromatic heterocyclic group, and the alkyl moiety has the same meaning as the alkyl group, for example, an aromatic group containing at least one hetero atom.
- Heterocyclic alkyl specifically pyridylmethyl, pyridylethyl, furanylmethyl, thienylmethyl and the like can be mentioned.
- the nitrogen-containing heterocyclic group is a heterocyclic group containing at least one nitrogen atom as a hetero atom among the alicyclic heterocyclic group or aromatic heterocyclic group, specifically, aziridinyl, pyrrolidinyl, Examples include piperidino, homopiperidinyl, piperazinyl, homopiperazinyl, morpholino, thiomorpholinyl, pyrrolyl, imidazolyl, pyrazolyl, triazolyl, tetrazolyl, indolyl, indazolyl, benzimidazolyl, benzotriazolyl and the like.
- the halogen atom means each atom of fluorine, chlorine, bromine and iodine.
- Examples of the alicyclic hydrocarbon ring include alicyclic hydrocarbon rings corresponding to the cycloalkyl group having 5 to 8 carbon atoms, and specific examples include cyclopentane, cyclohexane, and cyclooctane.
- the alicyclic heterocycle is, for example, a 5- to 8-membered alicyclic heterocycle corresponding to the alicyclic heterocyclic group, specifically, pyrroline, pyrrolidine, imidazoline, imidazolidine, pyrazoline, pyrazolidine, dihydrothiazole. , Tetrahydrofuran, dioxolane, thiolane, piperidine, piperazine, morpholine, thiomorpholine, pyran, oxathiane, oxadiazine, thiadiazine, dithiazine and the like.
- aromatic hydrocarbon ring examples include aromatic hydrocarbon rings corresponding to the aryl group having 6 to 14 carbon atoms, and specific examples include benzene, naphthalene, and anthracene.
- aromatic heterocycle for example, a 5- to 6-membered aromatic heterocycle corresponding to the aromatic heterocycle group, specifically, a monocyclic aromatic heterocycle includes furan, thiophene, pyrrole, oxazole, iso Oxazole, thiazole, thiadiazole, isothiazole, imidazole, pyrazole, triazole, pyridine, pyrazine, pyrimidine, pyridazine, etc., and condensed aromatic heterocycles include benzofuran, benzothiophene, indole, isoindole, indolizine, benzimidazole Benzotriazole, benzoxazole, benzothiazole, carbazole, purine, quinoline, isoquinoline, quinazoline, phthalazine, cinnoline, quinoxaline and the like.
- the alkylene group is, for example, a linear or branched alkylene having 1 to 12 carbon atoms, specifically methylene, ethylene, propylene, trimethylene, tetramethylene, pentamethylene, hexamethylene, heptamethylene, octamethylene, nonamethylene, Examples include decamethylene, undecamethylene, dodecamethylene and the like.
- Alkyl group alkenyl group, alkynyl group, cycloalkyl group, alicyclic heterocyclic group, aryl group, aralkyl group, aromatic heterocyclic group, aromatic heterocyclic alkyl group, nitrogen-containing heterocyclic group, alicyclic hydrocarbon
- substituent in the ring, alicyclic heterocycle, aromatic hydrocarbon ring, aromatic heterocycle and alkylene group include an alkyl group, an alkenyl group, an alkynyl group, a cycloalkyl group, an alicyclic heterocyclic group, an aryl group, Aralkyl group, aromatic heterocyclic group, aromatic heterocyclic alkyl group, OR a , NR b R c , S (O) qR d (where q represents 0, 1 or 2), COR e , COOR f, OCOR g, CONR h R i, NR j COR k, NR l COOR m, NR —
- R a to R w are the same or different and each represents a hydrogen atom, an alkyl group, an alkenyl group, an alkynyl group, a cycloalkyl group, an alicyclic heterocyclic group, an aryl group, an aralkyl group, an aromatic heterocyclic group, R b and R c , R h and R i , R q and R r , R t and R u and R v and R w together represent a nitrogen-containing heterocyclic group May be formed.
- alkyl group alkenyl group, alkynyl group, cycloalkyl group, alicyclic heterocyclic group, aryl group, aralkyl group, aromatic heterocyclic group, aromatic heterocyclic group and nitrogen-containing heterocyclic group are as defined above. is there.
- an alkyl group an alkenyl group, an alkynyl group, a cycloalkyl group, an alicyclic heterocyclic group, an aryl group, an aralkyl group, an aromatic heterocyclic group, an aromatic heterocyclic group, and a nitrogen-containing heterocyclic group are Further, it may have a substituent, and examples of the substituent include the same as those described above.
- the number of substitutions of these substituents may be the same or different and may be up to the maximum number of hydrogen atoms present in each group, but is preferably 1 to 10, more preferably 1 to 5.
- a compound represented by formula (I) and used as a STAT3 inhibitor of the present invention (hereinafter referred to as compound (I); the same applies to compounds of other formula numbers) is useful as an anticancer agent and as an anticancer agent.
- the compound (I) that can be used is not particularly limited as long as it is the compound (I).
- X is an oxygen atom
- R 1, R 2, R 3, R 4, R 5, R 6, R 7, R 8 and W are the same as defined above.
- the compound (Ia) is particularly preferably a quinolinecarboxamide derivative in which W is a single bond and R 2 is a hydrogen atom.
- a compound in which R 1 and R 3 are the same or different and are a substituted or unsubstituted aryl group, a substituted or unsubstituted aromatic heterocyclic group, a styryl group or an alkoxy group is more preferable.
- Specific examples include a phenyl group or a naphthyl group
- examples of the aromatic heterocyclic group include a furyl group or a thienyl group
- examples of the alkoxy group include a butoxy group.
- R 1 is a furyl group and R 3 is a substituted or unsubstituted phenyl group, a substituted or unsubstituted furyl group, or a substituted or unsubstituted thienyl group is more preferable.
- Alkyl groups such as methoxy groups, substituted or unsubstituted alkoxy groups such as methoxy groups and difluoromethoxy groups, halogen atoms such as fluorine atoms and chlorine atoms, hydroxy groups, alkoxycarbonyl groups such as tert-butoxycarbonyl, amino groups, nitro groups,
- substituent of the substituted furyl group and the substituted thienyl group such as a cyano group include an alkyl group such as a methyl group and a halogen atom such as a chlorine atom.
- R 6 is a fluorine atom, a chlorine atom, a bromine atom, a methyl group, a phenyl group, a hydroxyphenyl group, a thienyl group, a pyridyl group, a methoxy group, or a trifluoromethoxy group is more preferable.
- R 1 is a substituted or unsubstituted phenyl group and R 3 is a phenyl group is preferred.
- the substituent of the substituted phenyl group includes an alkoxy group such as a methoxy group, a halogen atom such as a chlorine atom, and a nitro group. Etc. are exemplified.
- W is preferably a single bond
- R 2 is preferably a quinoline carboxamide derivative.
- R 1 and R 3 are the same or different and are a substituted or unsubstituted aryl group or a substituted or unsubstituted aromatic heterocyclic group is more preferable.
- the aryl group include a phenyl group.
- examples of the aromatic heterocyclic group include a furyl group, a thienyl group, and a pyridyl group.
- R 1 is a pyridyl group
- R 3 is a substituted or unsubstituted phenyl group, a substituted or unsubstituted furyl group, a substituted or unsubstituted thienyl group, or a substituted or unsubstituted pyridyl group.
- substituent of the furyl group, the substituted thienyl group and the substituted pyridyl group include an alkyl group such as a methyl group, an alkoxy group such as a methoxy group and an isopropoxy group, and the like.
- R 1 , R 2 , R 3 , R 4 , R 5 , R 6 , R 7 , R 8 , R 34 and W are as defined above
- quinolinecarboxamide derivative is preferably represented in the compounds (Ic), in particular, W is a single bond, R 2 is preferably a quinolinecarboxamide derivative is a hydrogen atom.
- R 3 is a substituted or unsubstituted aryl group is more preferable, and a phenyl group is exemplified as a specific example of the aryl group.
- Specific examples of these compounds (Ic) include compounds described in Table 16 to be described later.
- 2-phenyl-N- (1,3,4-triazol-2-yl) -4- Quinoline carboxamide (Compound Ic-1) and the like are preferable.
- Examples of the pharmacologically acceptable salt of compound (I) include pharmacologically acceptable acid addition salts, metal salts, ammonium salts, organic amine addition salts, amino acid addition salts, and the like.
- Pharmacologically acceptable acid addition salts include inorganic acid salts such as hydrochloric acid, hydrobromic acid, sulfuric acid, nitric acid, phosphoric acid and boric acid, and formic acid, acetic acid, propionic acid and fumaric acid as organic acids.
- Examples thereof include carboxylic acids such as acid, malonic acid, succinic acid, maleic acid, tartaric acid, citric acid and benzoic acid, sulfonic acids such as methanesulfonic acid and p-toluenesulfonic acid, and amino acids such as glutamic acid and aspartic acid.
- Examples of pharmacologically acceptable metal salts include alkali metal salts such as lithium, sodium and potassium, alkaline earth metal salts such as magnesium and calcium, and metal salts such as aluminum and zinc.
- Acceptable ammonium salts include ammonium and tetramethylammonium salts
- pharmacologically acceptable organic amine salts include triethylamine, piperidine, morpholine, toluidine and other pharmacologically acceptable salts.
- amino acid addition salts include addition salts of lysine, glycine, phenylalanine and the like.
- the compound can be prepared by a conventional method or literature (for example, “Chemical Synthesis IV Carboxylic Acids / Amino Acids / Peptides of the 5th Edition Experimental Chemistry Course 16 edited by the Chemical Society of Japan”). , Maruzen Co., Ltd., March 2005, p118-146 and p258-270, etc.).
- Manufacturing method 1 Compound (I) can be produced according to the following reaction steps.
- Examples of the leaving group in the definition of L include a halogen atom, a hydroxyl group, a substituted or unsubstituted alkoxy group, a substituted or unsubstituted aryloxy group, a substituted or unsubstituted alkylcarbonyloxy group, and the like.
- the halogen atom has the same meaning as described above.
- the alkoxy group and the alkylcarbonyloxy group the alkyl part has the same meaning as the alkyl group.
- an alkoxy group having 1 to 12 carbon atoms and an alkylcarbonyloxy group, an aryloxy group and an arylcarbonyloxy group are The aryl moiety has the same meaning as the aryl group, and examples thereof include an aryloxy group having 6 to 12 carbon atoms and an arylcarbonyloxy group.
- the substituent include a halogen atom and a nitro group, and the halogen atom has the same meaning as described above.
- Specific examples include alkoxy groups such as methoxy, aryloxy groups such as pentafluorophenoxy and 4-nitrophenoxy, and alkylcarbonyloxy groups such as pivaloyloxy.
- Compound (I) comprises compound (II) and compound (III) in the presence of a base in a suitable inert solvent, for example, halogenated hydrocarbons such as chloroform and dichloromethane, aromatic hydrocarbons such as benzene and toluene, diethyl ether Ether solvents such as tetrahydrofuran (THF), 1,4-dioxane, aprotic polar solvents such as N, N-dimethylformamide (DMF), N-methylpyrrolidone (NMP), dimethyl sulfoxide (DMSO), pyridine, It can be obtained by reacting in a basic solvent such as quinoline or a mixed solvent thereof at a temperature between ⁇ 78 ° C. and the boiling point of the solvent used for 5 minutes to 48 hours.
- a basic solvent such as quinoline or a mixed solvent thereof at a temperature between ⁇ 78 ° C. and the boiling point of the solvent used for 5 minutes to 48 hours.
- this reaction requires a base.
- the base include organic bases such as triethylamine and pyridine, and inorganic bases such as potassium carbonate, potassium bicarbonate, tripotassium phosphate, sodium hydroxide, and sodium hydride.
- organic bases such as triethylamine and pyridine
- inorganic bases such as potassium carbonate, potassium bicarbonate, tripotassium phosphate, sodium hydroxide, and sodium hydride.
- metal alkoxides such as base, sodium methoxide, potassium tert-butoxide and the like.
- a condensing agent when L is a hydroxyl group, a condensing agent may coexist.
- the condensing agent include condensing agents described in the above paper, for example, carbodiimide condensing agents such as DCC and WSCI, phosphonium type condensing agents such as BOP, guanidinium salt condensing agents such as HATU, DMT-MM, CDI, DPP-Cl or the like can be used.
- compound (II) and compound (III) can be obtained as a commercial product, or the methods described in the literature (J. Med. Chem., 1997, 40, 1794-1807, for compound (III), Tetrahedron Lett., 2006, 4847,4889-4891 and the same publication 2004, 45,7157-7161), the method described in the production examples or reference examples, or similar methods. it can.
- Compound (Ia) is obtained by condensing compound (II-2) and compound (IV) to give compound (V), and then contracting in the presence of alkylsulfonyl chloride, alkylsulfonic acid anhydride, arylsulfonyl chloride or oxidizing agent. It can be obtained by ringing.
- the alkyl portion has the same meaning as the above alkyl group, for example, the alkyl group having 1 to 12 carbon atoms
- the arylsulfonyl chloride has the aryl portion in the above-mentioned aryl group.
- examples thereof include an aryl group having 6 to 12 carbon atoms.
- the substituent include an alkyl group, a trifluoromethyl group, a halogen atom, and a nitro group, and the alkyl group and the halogen atom are as defined above.
- methanesulfonyl chloride, trifluoromethanesulfonic anhydride, toluenesulfonyl chloride and the like can be exemplified.
- an oxidizing agent an iodine etc. can be illustrated, for example.
- compound (Ib) can be obtained by condensing compound (V) in the presence of Hg (OAc) 2 or an acid catalyst.
- the acid catalyst acid in this case include mineral acids such as hydrochloric acid, sulfuric acid, and phosphoric acid, organic acids such as acetic acid, methanesulfonic acid, trifluoromethanesulfonic acid, benzenesulfonic acid, and p-toluenesulfonic acid, and titanium tetrachloride.
- Lewis acids such as boron trifluoride and aluminum chloride.
- reaction are carried out by using an appropriate inert solvent, for example, a halogenated hydrocarbon such as chloroform or dichloromethane, an aromatic hydrocarbon such as benzene or toluene, an ether solvent such as diethyl ether, tetrahydrofuran (THF), or 1,4-dioxane.
- a halogenated hydrocarbon such as chloroform or dichloromethane
- an aromatic hydrocarbon such as benzene or toluene
- ether solvent such as diethyl ether, tetrahydrofuran (THF), or 1,4-dioxane.
- DMSO dimethyl sulfoxide
- the reaction can be carried out at
- this reaction requires a base.
- the base include organic bases such as triethylamine and pyridine, and inorganic bases such as potassium carbonate, potassium bicarbonate, tripotassium phosphate, sodium hydroxide, and sodium hydride.
- organic bases such as triethylamine and pyridine
- inorganic bases such as potassium carbonate, potassium bicarbonate, tripotassium phosphate, sodium hydroxide, and sodium hydride.
- metal alkoxides such as base, sodium methoxide, potassium tert-butoxide and the like.
- Compound (II-2) and Compound (IV) are commercially available, or are prepared by a conventional method or literature (for example, Compound (II-2), “4th edition edited by the Chemical Society of Japan”. Experimental Chemistry Lecture 20 Organic Synthesis II ", Maruzen Co., Ltd., July 1992, p488 and other methods for synthesizing acyl isothiocyanates), production examples or methods described in Reference Examples, or production according to them. is there.
- Intermediates and target compounds in each of the above production methods are isolated and purified by purification methods commonly used in synthetic organic chemistry, such as neutralization, filtration, extraction, washing, drying, concentration, recrystallization, and various chromatography. can do.
- the intermediate can be subjected to the next reaction without any particular purification.
- Some compounds (I) may have isomers, but the present invention can use all possible isomers and mixtures thereof as anticancer agents.
- compound (I) when it is desired to obtain a salt of compound (I), if compound (I) is obtained in the form of a salt, it can be purified as it is, and if it is obtained in a free form, it can be dissolved in an appropriate organic solvent. Alternatively, it may be suspended and an acid or base is added to form a salt by a conventional method.
- Compound (I) and pharmacologically acceptable salts thereof may exist in the form of adducts with water or various solvents, and these adducts may also be used as STAT3 inhibitors of the present invention. Can do.
- the compound (I) or a pharmacologically acceptable salt thereof can be administered alone as it is, but it is usually desirable to prepare various pharmaceutical preparations. It can be produced by a conventional method of pharmaceutics by mixing with one or two or more types of carriers that are acceptable.
- Administration routes include parenteral administration such as oral administration, inhalation administration, and intravenous administration.
- Examples of the dosage form include tablets, injections, etc.
- the tablets are mixed with various additives such as lactose, starch, magnesium stearate, hydroxypropyl cellulose, polyvinyl alcohol, surfactant, glycerin, etc.
- the inhalant may be produced according to a conventional method by adding, for example, lactose.
- An injection may be produced according to a conventional method by adding water, physiological saline, vegetable oil, solubilizer, preservative and the like.
- the effective amount and frequency of administration of compound (I) or a pharmacologically acceptable salt thereof vary depending on the administration form, patient age, body weight, symptoms, etc., but usually 0.001 mg to 5 g per adult, preferably Is administered in an amount of 0.1 mg to 1 g, more preferably 1 to 500 mg, once to several times a day.
- STAT3 Transcription Inhibition Test STAT3 transcription inhibition was evaluated by obtaining a cell line for the reporter gene method, STAT3 reporter HeLastable cell line (Panomics, catalog No. RC0003), and performing the following method according to the attached document.
- test result was expressed as a STAT3 transcription inhibition rate at a concentration of 100 ⁇ M of each compound.
- results are shown in Tables 19 and 20.
- MDA-MB-435S cell growth inhibitory activity MDA-MB-435S diluted with RPMI1640 (Gibco: 10% FBS, 20 units / ml Penicillin / Streptomycin) not added with phenol red in a 96-well plate (Greiner), After seeding at 2000 cells per well and culturing overnight at 37 ° C. in the presence of 5% CO 2 , 10 ⁇ L / well of test sample solution (containing 2 (v / v)% DMSO) prepared to 10 ⁇ M And contacted for 72 hours in the presence of 37 ° C., 5% CO 2 .
- RPMI1640 Gibco: 10% FBS, 20 units / ml Penicillin / Streptomycin
- Cell growth inhibition rate (%) 100-100 ⁇ (Abs chem ⁇ bkgd) / (Abs DMSO ⁇ bkgd) Abs chem : Absorbance when the test sample is added Abs DMSO : Absorbance when only the solvent for dissolving the test sample is added bkgd: Absorbance when CellTiter96 AQ ueous OneSolution Reagent is added to the cell culture medium
- test result was expressed as a cell growth inhibition rate at a concentration of 20 ⁇ M of each compound.
- results are shown in Tables 21 and 22.
- SCC-3 Cell Growth Inhibition Test Human Lymphoma SCC-3 cells purchased from the Foundation for Human Science Promotion were RPMI1640 (SIGMA) containing 10% fetal bovine serum [FBS: GIBCO]. The culture medium was cultured in a 96-well plate at a density of 5000 cells / well for 4 days. To each well, various concentrations of test compounds diluted in RPMI medium were added at the same time as cell seeding, and cell growth inhibitory activity after 72 hours of culturing was determined by the MTT method [J. Immunol. Methods]. , 1993, 65, 581-593] using a microplate reader [NJ-2300, BioTek].
- test results were expressed as a concentration (IC 50 ) that inhibits cell growth by 50%.
- concentration IC 50
- the results are shown in Table 23.
- SCC-3 tumor-bearing mice having a tumor volume of 50 to 300 mm 3 were selected and divided into 5 groups per group based on the tumor volume.
- the test compound was suspended in a 0.5% methylcellulose solution, and orally administered once a day for 5 days (Day 4) from the administration start day (Day 0) and 0.01 mL per gram body weight.
- the control group did not receive any administration.
- the tumor volume of SCC-3 tumor-bearing mice was measured daily after the start of test compound administration to evaluate the antitumor effect.
- the antitumor effect was determined by calculating the T / C (%) value according to the following.
- V Tumor volume on each measurement day
- V0 Tumor volume on the start day of administration (V / V0 of test compound group) / (V / V0 of control group) ⁇ 100
- the effective judgment criterion in this system was the method of Inaba et al. [Cancer, 1989, 64, 1577-1582]. The results are shown in Table 24.
- reaction solution was added to a solution of 2-amino-5- (2-furyl) -1,3,4-oxadiazole (90.7 mg, 0.60 mmol) in pyridine (3 mL) and stirred at room temperature for 2 hours. The mixture was stirred with heating overnight at ° C. After concentrating the reaction solution, water was added to the residue, and the precipitated solid was collected by filtration, washed with water, dried and purified by preparative HPLC to obtain the title compound (22 mg, 0.05 mmol).
- compound Ia-69 is used instead of compound Ia-12, and the corresponding boronic acid is used instead of 3-nitrophenylboronic acid.
- 6-Cyano-N- [5- (2-furyl) -1,3,4-oxadiazol-2-yl] -2-phenyl-4-quinolinecarboxamide (Compound Ia-95)
- 6-cyano-2-phenyl-4-quinolinecarboxylic acid 0.0548 g, 0.200 mmol
- triethylamine 0.0223 g, 0.220 mmol
- HOBt 0.351 g, 0.260 mmol
- 1-ethyl-3- (3-dimethylaminopropyl) carbodiimide (EDC) 0.0460 g, 0.240 mmol
- compound Ia-69 is used instead of compound Ia-12, and the corresponding boronic acid is used instead of 3-nitrophenylboronic acid. Synthesized according to the synthesis method.
- Tablets are prepared by a conventional method using a composition consisting of 10 mg of compound (Ia-71), 70 mg of lactose, 15 mg of starch, 4 mg of polyvinyl alcohol and 1 mg of magnesium stearate (100 mg in total).
- the quinolinecarboxamide derivative having STAT3 inhibitory activity of the present invention can be used as an anticancer agent for various cancers.
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Abstract
Description
(1) 式(I)
R1、R2、R3、R4、R5、R6、R7およびR8は、同一または異なって、水素原子、置換もしくは非置換アルキル基、置換もしくは非置換シクロアルキル基、置換もしくは非置換アルケニル基、置換もしくは非置換アルキニル基、置換もしくは非置換脂環式複素環基、置換もしくは非置換アリール基、置換もしくは非置換アラルキル基、置換もしくは非置換芳香族複素環基、置換もしくは非置換芳香族複素環アルキル基、COR9(式中、R9は、水素原子、置換もしくは非置換アルキル基、置換もしくは非置換シクロアルキル基、置換もしくは非置換アルケニル基、置換もしくは非置換アルキニル基、置換もしくは非置換脂環式複素環基、置換もしくは非置換アリール基、置換もしくは非置換アラルキル基、置換もしくは非置換芳香族複素環基または置換もしくは非置換芳香族複素環アルキル基を表す)、COOR10(式中、R10は、前記R9と同義である)、C(=Q1)NR11R12[式中、Q1は、酸素原子、硫黄原子またはNR13(式中、R13は、前記R9と同義である)を表し、R11およびR12は、同一または異なって、水素原子、置換もしくは非置換アルキル基、置換もしくは非置換シクロアルキル基、置換もしくは非置換アルケニル基、置換もしくは非置換アルキニル基、置換もしくは非置換脂環式複素環基、置換もしくは非置換アリール基、置換もしくは非置換アラルキル基、置換もしくは非置換芳香族複素環基、置換もしくは非置換芳香族複素環アルキル基、または、R11とR12が一緒になって、含窒素複素環基を表す]、OR14(式中、R14は、前記R9と同義である)、OCOR15(式中、R15は、前記R9と同義である)、S(O)mR16(式中、mは、0、1または2を表し、R16は、前記R9と同義である)、SO2NR17R18(式中、R17およびR18は、同一または異なって、それぞれ前記R11およびR12と同義である)、NR19R20[式中、R19およびR20は、同一または異なって、水素原子、置換もしくは非置換アルキル基、置換もしくは非置換シクロアルキル基、置換もしくは非置換アルケニル基、置換もしくは非置換アルキニル基、置換もしくは非置換脂環式複素環基、置換もしくは非置換アリール基、置換もしくは非置換アラルキル基、置換もしくは非置換芳香族複素環基、置換もしくは非置換芳香族複素環アルキル基、COR21(式中、R21は、前記R9と同義である)、COOR22(式中、R22は、前記R9と同義である)、SO2R23(式中、R23は、前記R9と同義である)、または、R19とR20が一緒になって、含窒素複素環基を表す]、N(R24)C(=Q2)NR25R26[式中、Q2は、酸素原子、硫黄原子、NR27(式中、R27は、前記R9と同義である)、NCN、CHNO2またはC(CN)2を表し、R24は、前記R9と同義であり、R25およびR26は、同一または異なって、それぞれ前記R11およびR12と同義である]、N(R28)SO2NR29R30(式中、R28は、前記R9と同義であり、R29およびR30は、同一または異なって、それぞれ前記R11およびR12と同義である)、SiR31R32R33(式中、R31、R32およびR33は、同一または異なって、前記R9と同義である)、ニトロ基、シアノ基またはハロゲン原子を表し、ここで、任意の連接する二つのR3~R8は、一緒になって、置換もしくは非置換の脂環式炭化水素環、脂環式複素環、芳香族炭化水素環または芳香族複素環を形成してもよく、
Wは、単結合または置換もしくは非置換のアルキレン基を表し、
Xは、酸素原子、硫黄原子またはNR34(式中、R34は、前記R9と同義である)を表す}
(2) Xが酸素原子である、下記式(Ia)
(3) Wが単結合であるキノリンカルボキサミド誘導体またはそれらの薬理学的に許容される塩を有効成分として含有することを特徴とする上記(2)記載のSTAT3阻害剤や、
(4) R1およびR3が、同一または異なって、置換もしくは非置換アリール基、置換もしくは非置換芳香族複素環基、スチリル基またはアルコキシ基であるキノリンカルボキサミド誘導体またはそれらの薬理学的に許容される塩を有効成分として含有することを特徴とする上記(3)記載のSTAT3阻害剤や、
(5) アリール基がフェニル基またはナフチル基であるキノリンカルボキサミド誘導体またはそれらの薬理学的に許容される塩を有効成分として含有することを特徴とする上記(4)記載のSTAT3阻害剤や、
(6) 芳香族複素環基がフリル基またはチエニル基であるキノリンカルボキサミド誘導体またはそれらの薬理学的に許容される塩を有効成分として含有することを特徴とする上記(4)記載のSTAT3阻害剤や、
(7) R1がフリル基を、R3が置換もしくは非置換フェニル基、置換もしくは非置換ナフチル基、置換もしくは非置換フリル基、置換もしくは非置換チエニル基またはスチリル基であるキノリンカルボキサミド誘導体またはそれらの薬理学的に許容される塩を有効成分として含有することを特徴とする上記(4)~(6)のいずれか記載のSTAT3阻害剤や、
(8) R6がフッ素原子、塩素原子、臭素原子、メチル基、フェニル基、ヒドロキシフェニル基、チエニル基、ピリジル基、メトキシ基またはトリフルオロメトキシ基であるキノリンカルボキサミド誘導体またはそれらの薬理学的に許容される塩を有効成分として含有することを特徴とする上記(7)記載のSTAT3阻害剤や
(9) R1が置換もしくは非置換フェニル基を、R3がフェニル基であるキノリンカルボキサミド誘導体またはそれらの薬理学的に許容される塩を有効成分として含有することを特徴とする上記(4)または(5)のいずれか記載のSTAT3阻害剤や、
(10) R6が塩素原子またはトリフルオロメトキシ基であるキノリンカルボキサミド誘導体またはそれらの薬理学的に許容される塩を有効成分として含有することを特徴とする上記(9)記載のSTAT3阻害剤や、
(11) R2が水素原子であるキノリンカルボキサミド誘導体またはそれらの薬理学的に許容される塩を有効成分として含有することを特徴とする上記(2)~(10)のいずれか記載のSTAT3阻害剤や、
(12) Xが硫黄原子である、下記式(Ib)
(13) Wが単結合であるキノリンカルボキサミド誘導体またはそれらの薬理学的に許容される塩を有効成分として含有することを特徴とする上記(12)記載のSTAT3阻害剤や、
(14) R1およびR3が、同一または異なって、置換もしくは非置換アリール基または置換もしくは非置換芳香族複素環基であるキノリンカルボキサミド誘導体またはそれらの薬理学的に許容される塩を有効成分として含有することを特徴とする上記(13)記載のSTAT3阻害剤や、
(15) R1がピリジル基を、R3が置換もしくは非置換フェニル基、置換もしくは非置換フリル基、置換もしくは非置換チエニル基またはピリジル基であるキノリンカルボキサミド誘導体またはそれらの薬理学的に許容される塩を有効成分として含有することを特徴とする上記(14)記載のSTAT3阻害剤や、
(16) R2が水素原子であるキノリンカルボキサミド誘導体またはそれらの薬理学的に許容される塩を有効成分として含有することを特徴とする上記(12)~(15)のいずれか記載のSTAT3阻害剤に関する。
(17) 上記(1)~(16)のいずれか記載のSTAT3阻害剤を有効成分として含有することを特徴とする抗癌剤に関する。
(18) 式(I-1)
R1、R2、R3、R4a、R5a、R6a、R7aおよびR8aは、同一または異なって、水素原子、置換もしくは非置換アルキル基、置換もしくは非置換シクロアルキル基、置換もしくは非置換アルケニル基、置換もしくは非置換アルキニル基、置換もしくは非置換脂環式複素環基、置換もしくは非置換アリール基、置換もしくは非置換アラルキル基、置換もしくは非置換芳香族複素環基、置換もしくは非置換芳香族複素環アルキル基、COR9(式中、R9は、水素原子、置換もしくは非置換アルキル基、置換もしくは非置換シクロアルキル基、置換もしくは非置換アルケニル基、置換もしくは非置換アルキニル基、置換もしくは非置換脂環式複素環基、置換もしくは非置換アリール基、置換もしくは非置換アラルキル基、置換もしくは非置換芳香族複素環基または置換もしくは非置換芳香族複素環アルキル基を表す)、COOR10(式中、R10は、前記R9と同義である)、C(=Q1)NR11R12[式中、Q1は、酸素原子、硫黄原子またはNR13(式中、R13は、前記R9と同義である)を表し、R11およびR12は、同一または異なって、水素原子、置換もしくは非置換アルキル基、置換もしくは非置換シクロアルキル基、置換もしくは非置換アルケニル基、置換もしくは非置換アルキニル基、置換もしくは非置換脂環式複素環基、置換もしくは非置換アリール基、置換もしくは非置換アラルキル基、置換もしくは非置換芳香族複素環基、置換もしくは非置換芳香族複素環アルキル基、または、R11とR12が一緒になって、含窒素複素環基を表す]、OR14(式中、R14は、前記R9と同義である)、OCOR15(式中、R15は、前記R9と同義である)、S(O)mR16(式中、mは、0、1または2を表し、R16は、前記R9と同義である)、SO2NR17R18(式中、R17およびR18は、同一または異なって、それぞれ前記R11およびR12と同義である)、NR19R20[式中、R19およびR20は、同一または異なって、水素原子、置換もしくは非置換アルキル基、置換もしくは非置換シクロアルキル基、置換もしくは非置換アルケニル基、置換もしくは非置換アルキニル基、置換もしくは非置換脂環式複素環基、置換もしくは非置換アリール基、置換もしくは非置換アラルキル基、置換もしくは非置換芳香族複素環基、置換もしくは非置換芳香族複素環アルキル基、COR21(式中、R21は、前記R9と同義である)、COOR22(式中、R22は、前記R9と同義である)、SO2R23(式中、R23は、前記R9と同義である)、または、R19とR20が一緒になって、含窒素複素環基を表す]、N(R24)C(=Q2)NR25R26[式中、Q2は、酸素原子、硫黄原子、NR27(式中、R27は、前記R9と同義である)、NCN、CHNO2またはC(CN)2を表し、R24は、前記R9と同義であり、R25およびR26は、同一または異なって、それぞれ前記R11およびR12と同義である]、N(R28)SO2NR29R30(式中、R28は、前記R9と同義であり、R29およびR30は、同一または異なって、それぞれ前記R11およびR12と同義である)、SiR31R32R33(式中、R31、R32およびR33は、同一または異なって、前記R9と同義である)、ニトロ基、シアノ基またはハロゲン原子を表し、また、任意の連接する二つのR3~R8は、一緒になって、置換もしくは非置換の脂環式炭化水素環、脂環式複素環、芳香族炭化水素環または芳香族複素環を形成してもよく、ここで、R4a、R5a、R6a、R7aおよびR8aの少なくとも一つの基は、水素原子以外の基を表し、
Wは、単結合または置換もしくは非置換のアルキレン基を表し、
Xは、酸素原子、硫黄原子またはNR34(式中、R34は、前記R9と同義である)を表す}
(19) 式(I-1)で表される化合物において、Xが酸素原子を、Wが単結合を、R2が水素原子である、下記式(I-1a)
(20) R1aおよびR3aにおけるアリール基がフェニル基を、芳香族複素環基がフリル基またはチエニル基であることを特徴とする上記(19)記載のキノリンカルボキサミド誘導体またはそれらの薬理学的に許容される塩や、
(21) R1aがフリル基を、R3aが置換もしくは非置換フェニル基、フリル基またはチエニル基であることを特徴とする上記(19)または(20)のいずれか記載のキノリンカルボキサミド誘導体またはそれらの薬理学的に許容される塩や、
(22) R4a、R5a、R6a、R7aおよびR8aの少なくとも一つの基が、フッ素原子、塩素原子、臭素原子、メチル基、フェニル基、ヒドロキシフェニル基、チエニル基、ピリジル基、メトキシ基またはトリフルオロメトキシ基であることを特徴とする上記(19)~(21)のいずれか記載のキノリンカルボキサミド誘導体またはそれらの薬理学的に許容される塩や、
(23) R1aが置換もしくは非置換フェニル基を、R3aがフェニル基であることを特徴とする上記(19)または(20)のいずれか記載のキノリンカルボキサミド誘導体またはそれらの薬理学的に許容される塩や、
(24) R6aが、塩素原子またはトリフルオロメトキシ基であることを特徴とする上記(19)、(20)または(23)のいずれか記載のキノリンカルボキサミド誘導体またはそれらの薬理学的に許容される塩に関する。
(25) 式(I-2)
R2、WおよびXは、前記と同義である}
で表されるキノリンカルボキサミド誘導体またはそれらの薬理学的に許容される塩や、
(26) 式(I-2)で表される化合物において、Xが酸素原子を、Wが単結合を、R2が水素原子である、下記式(I-2a)
脂環式炭化水素環は、例えば、炭素数5~8の前記シクロアルキル基に対応する脂環式炭化水素環が、具体的には、シクロペンタン、シクロヘキサン、シクロオクタン等が挙げられる。
N-[5-(4-メトキシフェニル)-1,3,4-オキサジアゾール-2-イル]-2-フェニル-6-トリフルオロメトキシ-4-キノリンカルボキサミド(化合物Ia-117)、N-[5-(5-クロロ-2-チエニル)-1,3,4-オキサジアゾール-2-イル]-2-フェニル-4-キノリンカルボキサミド(化合物Ia-b)、N-[5-(4-メトキシフェニル)-1,3,4-オキサジアゾール-2-イル]-2-フェニル-4-キノリンカルボキサミド(化合物Ia-d)およびN-(5-フェニル-1,3,4-オキサジアゾール-2-イル)-2-(2-チエニル)-4-キノリンカルボキサミド(化合物Ia-j)等が好ましい。
化合物(I)は、次の反応工程に従い製造することができる。
化合物(I)において、R2が水素原子を、Wが単結合を表し、Xが酸素原子である化合物(Ia)およびWが単結合でXが硫黄原子である化合物(Ib)は、次の反応工程に従い製造することもできる。
また酸化剤としては、例えばヨウ素等を例示することができる。
この場合の酸触媒の酸としては、例えば塩酸、硫酸、リン酸等の鉱酸、酢酸、メタンスルホン酸、トリフルオロメタンスルホン酸、ベンゼンスルホン酸、p-トルエンスルホン酸等の有機酸、四塩化チタン、三フッ化ホウ素、塩化アルミニウム等のルイス酸等が挙げられる。
化合物(I)の中には、異性体が存在し得るものがあるが、本発明は、全ての可能な異性体およびそれらの混合物を抗癌剤として使用することができる。
・N-[5-(5-クロロ-2-チエニル)-1,3,4-オキサジアゾール-2-イル]-2-フェニル-4-キノリンカルボキサミド(Ia-b)
・N-[5-(2-メトキシフェニル)-1,3,4-オキサジアゾール-2-イル]-2-フェニル-4-キノリンカルボキサミド(Ia-c)
・N-[5-(4-メトキシフェニル)-1,3,4-オキサジアゾール-2-イル]-2-フェニル-4-キノリンカルボキサミド(Ia-d)
・N-[5-(2-クロロフェニル)-1,3,4-オキサジアゾール-2-イル]-2-フェニル-4-キノリンカルボキサミド(Ia-e)
・N-[5-(2,5-ジクロロフェニル)-1,3,4-オキサジアゾール-2-イル]-2-フェニル-4-キノリンカルボキサミド(Ia-f)
・N-[5-(3,4-エチレンジオキシフェニル)-1,3,4-オキサジアゾール-2-イル]-2-フェニル-4-キノリンカルボキサミド(Ia-g)
・N-[5-(4-メトキシフェニル)-1,3,4-オキサジアゾール-2-イル]-2-(2-チエニル)-4-キノリンカルボキサミド(Ia-h)
・N-(5-フェニル-1,3,4-オキサジアゾール-2-イル)-2-(4-トリル)-4-キノリンカルボキサミド(Ia-i)
・N-(5-フェニル-1,3,4-オキサジアゾール-2-イル)-2-(2-チエニル)-4-キノリンカルボキサミド(Ia-j)
・2-(3-イソプロポキシフェニル)-N-[5-(4-ピリジル)-1,3,4-チアジアゾール-2-イル]-4-キノリンカルボキサミド(Ib-b)
・2-(2,5-ジメトキシフェニル)-N-[5-(4-ピリジル)-1,3,4-チアジアゾール-2-イル]-4-キノリンカルボキサミド(Ib-c)
・6-クロロ-2-(3-ピリジル)-N-[5-(4-ピリジル)-1,3,4-チアジアゾール-2-イル]-4-キノリンカルボキサミド(Ib-d)
・2-(5-メチル-2-フリル)-N-[5-(4-ピリジル)-1,3,4-チアジアゾール-2-イル]-4-キノリンカルボキサミド(Ib-e)
・6-クロロ-2-(2,5-ジメチル-3-チエニル)-N-[5-(4-ピリジル)-1,3,4-チアジアゾール-2-イル]-4-キノリンカルボキサミド(Ib-f)
STAT3転写阻害の評価は、レポータージーン法のための細胞株、STAT3 reporter HeLastable cell line(Panomics社、catalogNo. RC0003)を入手し、付属の添付書類に準じて以下の方法により実施した。
L0 :オンコスタチンMによる刺激なしで得られる発光量
Lchem :試験サンプルを添加した場合の発光量
LDMSO :試験サンプル溶解用の溶媒のみを添加した場合の発光量
96穴プレート(グライナー社)に、フェノールレッドが添加されていないRPMI1640(Gibco:10%FBS、20units/ml Penicillin/Streptomycin)で希釈したMDA-MB-435Sを、1ウェル当たり2000個になるように播種し、37℃、5% CO2存在下で一晩培養した後、10μMに調製した試験サンプル溶液(2(v/v)%DMSO含有)を10μL/well添加し、37℃、5% CO2存在下で72時間接触させた。培地で各ウェルを3回洗浄した後、培地を100μL/wellおよびCellTiter96 AQueous OneSolution Reagent(プロメガ社)を20μL/well添加し、37℃、5% CO2存在下で2時間インキュベートした。Multiplatereader(モレキュラーデバイス社)を用いて495nmの吸光度を測定し、次式によって細胞増殖阻害率を算出した。
Abschem :試験サンプルを添加した場合の吸光度
AbsDMSO :試験サンプル溶解用の溶媒のみを添加した場合の吸光度
bkgd :細胞培養用培地にCellTiter96 AQueous OneSolution Reagentを添加した場合の吸光度
財団法人ヒューマンサイエンス振興財団から購入したヒトリンホーマSCC-3細胞を、10%のウシ胎児血清[FBS:ギブコ(GIBCO)社]を含有したRPMI1640[シグマ(SIGMA)社]を培養培地として96穴プレートで5000細胞/ウェル(cells/well)の密度で4日間培養した。
各ウェルに、細胞播種同時にRPMI培地で希釈した各種濃度の被験化合物を添加し、72時間培養後の細胞増殖抑制活性を、MTT法[ジャーナル・オブ・イムノロジカル・メソッズ(J. Immunol. Methods), 1993, 65, 581-593]によりマイクロプレートリーダー[NJ-2300、バイオテック(BioTek)社]を用いて測定した。
結果を表23に示す。
6週齢の雄性ヌードマウス(BALB/cA-nu/nu、日本クレア社)の腹側部皮下にヒトリンパ腫SCC-3細胞を1×106個(マトリゲル含有)移植した。移植後、SCC-3担癌マウスの腫瘍体積[長径(mm)と短径(mm)]を電子ノギス(CD-10、Mitutoyo社)で測定し、腫瘍体積[mm3:(長径)×(短径)2/2]を計算した。腫瘍体積が50~300mm3に達しているSCC-3担癌マウスを選抜し、その腫瘍体積をもとに1群5匹となるように群分けを行った。被験化合物は0.5%メチルセルロース溶液で懸濁し、投与開始日(Day 0)から5日間(Day 4)、1日1回体重1gあたり0.01mL経口投与した。対照群は何も投与を行わなかった。被験化合物投与開始後から経日的にSCC-3担癌マウスの腫瘍体積を測定して抗腫瘍効果の評価を行った。抗腫瘍効果の判定は下記に従ってT/C(%)値を計算した。
V :測定日毎の腫瘍体積
V0:投与開始日の腫瘍体積
(被験化合物群のV/V0)/(対照群のV/V0)×100
本系における有効判定基準は稲葉らの方法[キャンサー(Cancer), 1989, 64, 1577-1582]を採用した。結果を表24に示す。
N-[5-(2-フリル)-1,3,4-オキサジアゾール-2-イル]-2-フェニル-4-キノリンカルボキサミド(化合物Ia-1)
常法に従い、市販の2-フェニル-4-キノリンカルボン酸と塩化チオニルから2-フェニル-4-キノリンカルボニルクロライドを合成した。
市販の2-アミノ-5-(2-フリル)-1,3,4-オキサジアゾール(1.69g,11.2mmol)のピリジン(40mL)溶液に、2-フェニル-4-キノリンカルボニルクロライド(2.00g,7.47mmol)を少しずつ加え、60℃で6時間加熱攪拌した。反応液にメタノールを加え、溶媒留去して得られた残渣に、水を加えてトリチュレートした。析出した結晶を濾取し、メタノールで洗浄、酢酸エチルで洗浄した後、DMF-メタノールから再結晶することにより標記化合物(1.23g,3.22mmol)を淡褐色粉末として得た(収率43%)。
ES-MS (m/z): 383 (M + H)+.
N-[5-(3-フリル)-1,3,4-オキサジアゾール-2-イル]-2-フェニル-4-キノリンカルボキサミド(化合物Ia-2)
1H-NMR (DMSO-d6)δ: 8.51 (1H, s), 8.48 (1H, s), 8.36 (2H,d, J = 7.4 Hz), 8.33 (1H, d, J = 7.4 Hz), 8.19 (1H, d, J = 8.5 Hz), 7.97 (1H,s), 7.88 (1H, dd, J = 8.5 Hz, 7.4 Hz), 7.71 (1H, dd, J = 7.4 Hz, 7.4 Hz),7.63-7.54 (3H, m), 7.01 (1H, s).
ES-MS (m/z): 383 (M + H)+.
2-フェニル-N-(5-フェニル-1,3,4-オキサジアゾール-2-イル)-4-キノリンカルボキサミド(化合物Ia-3)
1H-NMR (DMSO-d6)δ: 12.83 (1H, br), 8.49 (1H, s), 8.37(2H, d, J = 7.3 Hz), 8.32 (1H, d, J = 8.3 Hz), 8.20 (1H, d, J = 8.3 Hz), 7.99(2H, d, J = 7.3 Hz), 7.88 (1H, t, J = 7.3 Hz), 7.71 (1H, t, J = 7.3 Hz),7.64-7.55 (6H, m).
ES-MS (m/z): 393 (M + H)+.
N-[5-(2-クロロフェニル)-1,3,4-オキサジアゾール-2-イル]-2-フェニル-4-キノリンカルボキサミド(化合物Ia-4)
ES-MS (m/z): 429 (37ClM + H)+, 427 (35ClM + H)+.
N-[5-(4-クロロフェニル)-1,3,4-オキサジアゾール-2-イル]-2-フェニル-4-キノリンカルボキサミド(化合物Ia-5)
ES-MS (m/z): 429 (37ClM + H)+, 427 (35ClM + H)+.
N-[5-(4-メトキシフェニル)-1,3,4-オキサジアゾール-2-イル]-2-フェニル-4-キノリンカルボキサミド(化合物Ia-6)
ES-MS (m/z): 423 (M + H)+.
N-[5-(4-ニトロフェニル)-1,3,4-オキサジアゾール-2-イル]-2-フェニル-4-キノリンカルボキサミド(化合物Ia-7)
1H-NMR (DMSO-d6)δ: 8.43 (1H, s), 8.37-8.32 (3H, m), 8.24(2H, d, J = 7.3 Hz), 8.16 (2H, d, J = 8.8 Hz), 8.10 (1H, d, J = 7.8 Hz), 8.02(1H, d, J = 8.8 Hz), 7.76 (1H, m), 7.57-7.48 (3H, m).
ES-MS (m/z): 438 (M + H)+.
2-フェニル-N-[5-(2-ピリジル)-1,3,4-オキサジアゾール-2-イル]-4-キノリンカルボキサミド(化合物Ia-8)
1H-NMR (DMSO-d6)δ: 8.79 (1H, d, J = 4.6 Hz), 8.51 (1H,s), 8.38-8.36 (3H, m),8.21-8.18 (2H, m), 8.08 (1H, t, J = 7.8 Hz), 7.88 (1H, t,J = 8.3 Hz), 7.72 (1H, m), 7.66-7.54 (4H, m).
ES-MS (m/z): 394 (M + H)+.
2-フェニル-N-[5-(3-ピリジル)-1,3,4-オキサジアゾール-2-イル]-4-キノリンカルボキサミド(化合物Ia-9)
1H-NMR (DMSO-d6)δ: 9.17 (1H, s), 8.83 (1H, d, J = 4.5Hz), 8.51 (1H, s), 8.38-8.35 (3H, m), 8.28 (1H, brd, J = 7.4 Hz), 8.21 (1H, d,J = 8.5 Hz), 7.90 (1H, dd, J = 8.5 Hz, 7.4 Hz), 7.73 (1H, dd, J = 7.4 Hz, 7.4Hz), 7.68 (1H, dd, J = 7.9 Hz, 4.5 Hz), 7.63-7.55 (3H, m).
ES-MS (m/z): 394 (M + H)+.
N-[(5-フェニル-1,3,4-オキサジアゾール-2-イル)メチル]-4-キノリンカルボキサミド(化合物Ia-10)
1H-NMR (DMSO-d6)δ: 9.75 (1H, t, J = 5.7 Hz), 8.33 (2H, d,J = 8.6 Hz), 8.28 (1H, d, J = 8.6 Hz), 8.25 (1H, s), 8.16 (1H, d, J = 8.0 Hz),8.04 (1H, dd, J = 7.4 Hz, 1.7 Hz), 7.86 (1H, m), 7.69-7.53 (7H, m), 4.95 (2H,d, J = 5.7 Hz).
ES-MS (m/z): 407 (M + H)+.
ES-MS (m/z): 307 (M + H)+.
1H-NMR (DMSO-d6)δ: 8.26 (1H, m), 8.09-8.07 (2H, m), 7.98(1H, s), 7.93 (1H, m), 7.77 (1H, m), 7.29 (1H, s), 6.81 (1H, dd, J = 3.7 Hz,1.7 Hz).
ES-MS (m/z): 343 (37ClM + H)+, 341 (35ClM + H)+.
ES-MS (m/z): 387 (81BrM + H)+, 385 (79BrM + H)+.
1H-NMR (DMSO-d6)δ: 8.08 (1H, s), 7.89 (1H, d, J = 8.0Hz), 7.62-7.57 (3H, m), 7.31 (1H, d, J = 3.4 Hz), 7.26 (1H, m), 6.82 (1H, dd, J= 3.4 Hz, 1.7 Hz), 3.78-3.76 (4H, m), 1.68-1.67 (2H, m), 1.61-1.60 (4H, m).
ES-MS (m/z): 390 (M + H)+.
3-ニトロフェニルボロン酸のかわりに3-ヒドロキシフェニルボロン酸を使用し、後述の化合物Ia-16の合成方法に準じて合成した。
ES-MS (m/z): 399 (M + H)+.
化合物Ia-12(75mg,0.22mmol)のnーブタノール(1.5mL)懸濁液に、塩化パラジウム(II)(4mg,0.02mmol)、2-ジシクロヘキシルホスフィノ-2’,4’,6’-トリイソプロピルビフェニル(21mg,0.04mmol)、リン酸三カリウム(93mg,0.44mmol)および3-ニトロフェニルボロン酸(55mg,0.33mmol)を加え、120℃で10時間加熱攪拌した。反応液を濃縮後、残渣に飽和塩化ナトリウム水溶液を加え、析出した結晶を濾取、水洗、乾燥後、分取HPLCを用いて精製することにより、標記化合物(8mg,0.02mmol)を得た。
ES-MS (m/z): 428 (M + H)+.
2-(4-フルオロフェニル)-4-キノリンカルボン酸のかわりに、参考例10に記載の2-(4-シアノフェニル)-4-キノリンカルボン酸を使用し、後述の化合物Ia-46の合成方法に準じて合成した。
ES-MS (m/z): 408 (M + H)+.
2-(4-フルオロフェニル)-4-キノリンカルボン酸、HATUおよびHOAtのかわりに、それぞれ市販の2-(2-フリル)-4-キノリンカルボン酸、HBTUおよびHOBtを使用し、後述の化合物Ia-46の合成方法に準じて合成した。
ES-MS (m/z): 373 (M + H)+.
1H-NMR (DMSO-d6)δ: 8.48 (1H, s), 8.17 (1H, d, J = 8.3Hz), 8.09-8.01 (3H, m), 7.86 (1H, m), 7.69 (1H, m), 7.32-7.31 (2H, m), 6.82(1H, dd, J = 3.4 Hz, 1.7Hz).
ES-MS (m/z): 425 (37ClM + H)+, 423 (35ClM + H)+.
ES-MS (m/z): 384 (M + H)+.
ES-MS (m/z): 357 (M + H)+.
1H-NMR (DMSO-d6)δ: 12.90 (1H, brs), 8.58 (1H, s),8.38-8.35 (3H, m), 8.22 (1H, d, J = 8.8 Hz), 8.09 (1H, d, J = 2.0 Hz), 7.91(1H, dd, J = 8.8 Hz, 2.0 Hz), 7.64-7.55 (3H, m), 7.33 (1H, d, J = 3.4 Hz), 6.83(1H, dd, J = 3.4 Hz, 2.0 Hz).
ES-MS (m/z): 419 (37ClM + H)+, 417 (35ClM + H)+.
1H-NMR (DMSO-d6)δ: 12.75 (1H, br), 8.45 (1H, s), 8.32(2H, d, J = 7.3 Hz), 8.12-8.07 (2H, m), 7.66 (1H, br), 7.60-7.50 (4H, m), 7.32(1H, d, J = 3.4 Hz), 6.82 (1H, dd, J = 3.4 Hz, 2.0 Hz), 3.92 (3H, s).
ES-MS (m/z): 413 (M + H)+.
1H-NMR (DMSO-d6)δ: 8.56 (1H, s), 8.42 (1H, d, J = 1.7Hz), 8.36 (1H, d, J = 6.9 Hz), 8.09 (1H, s), 7.95 (1H, s), 7.87 (1H, dd, J =8.6 Hz, 1.7 Hz), 7.63-7.56 (4H, m), 7.32 (1H, d, J = 3.4 Hz), 6.82 (1H, d, J =1.7 Hz).
ES-MS (m/z): 463 (81BrM + H)+, 461 (79BrM + H)+.
1H-NMR (DMSO-d6)δ: 8.50 (1H, s), 8.41 (2H, d, J = 7.3Hz), 8.09-8.06 (2H, m), 7.75 (1H, t, J = 7.1 Hz), 7.63-7.55 (4H, m), 7.32 (1H,d, J = 3.4 Hz), 6.82 (1H, d, J = 1.7 Hz), 2.87 (3H, s).
ES-MS (m/z): 397 (M + H)+.
1H-NMR (DMSO-d6)δ: 8.55 (1H, s), 8.42 (2H, d, J = 8.3Hz), 8.13-8.08 (2H, m), 7.64-7.55 (4H, m), 7.32 (1H, d, J = 3.4 Hz), 6.82 (1H,dd, J = 3.4 Hz, 1.7 Hz), 2.94 (3H, s).
ES-MS (m/z): 433 (37ClM + H)+, 431 (35ClM + H)+.
1H-NMR (DMSO-d6)δ: 8.46 (1H, s), 8.31 (2H, d, J = 7.8Hz), 8.09-8.04 (2H, m), 7.73 (1H, d, J = 6.8 Hz), 7.57 (1H, t, J = 7.8 Hz),7.41 (2H, d, J = 7.8 Hz), 7.32 (1H, s), 6.82 (1H, s), 2.86 (3H, s), 2.42 (3H,s).
ES-MS (m/z): 411 (M + H)+.
2-(4-フルオロフェニル)-4-キノリンカルボン酸のかわりに市販の7-クロロ-2-(2-フリル)-8-メチル-4-キノリンカルボン酸を使用し、後述の化合物Ia-46の合成方法に準じて合成した。
ES-MS (m/z): 423 (37ClM + H)+, 421 (35ClM + H)+.
2-フェニル-4-キノリンカルボン酸のかわりに市販の6-メチル-2-(2-チエニル)-4-キノリンカルボン酸を使用し、製造例1の方法に準じて合成した。
ES-MS (m/z): 403 (M + H)+.
2-(4-フルオロフェニル)-4-キノリンカルボン酸、HATUおよびHOAtのかわりに、市販の6-クロロ-2-(2-チエニル)-4-キノリンカルボン酸、HBTUおよびHOBtを使用し、後述の化合物Ia-46の合成方法に準じて合成した。
ES-MS (m/z): 425 (37ClM + H)+, 423 (35ClM + H)+.
市販の8-メチル-2-(2-チエニル)-4-キノリンカルボン酸(108mg,0.40mmol)の塩化メチレン(1mL)溶液に、トリフェニルホスフィンブロミド(352mg,0.80mmol)を加え、室温で1時間攪拌した。反応液を2-アミノ-5-(2-フリル)-1,3,4-オキサジアゾール(90.7mg,0.60mmol)のピリジン(3mL)溶液に加え、室温で2時間攪拌後、60℃で終夜加熱攪拌した。反応液を濃縮後、残渣に水を加え、析出した固体を濾取、水洗、乾燥後、分取HPLCを用いて精製することにより、標記化合物(22mg,0.05mmol)を得た。
ES-MS (m/z): 403 (M + H)+.
1H-NMR (DMSO-d6)δ: 8.42 (1H, s), 8.04-7.88 (3H, m), 7.78(1H, m), 7.63-7.54 (2H, m), 7.24-7.19 (2H, m), 6.76 (1H, dd, J = 3.4Hz, 1.5Hz).
ES-MS (m/z): 425 (37ClM + H)+, 423 (35ClM + H)+.
1H-NMR (DMSO-d6)δ: 12.82 (1H, brs), 8.38 (1H, s), 8.07(2H, m), 7.76 (2H, m), 7.56 (1H, s), 7.32 (1H, d, J = 3.4 Hz), 7.25 (1H, dd, J= 5.1 Hz, 3.7 Hz), 6.82 (1H, dd, J = 3.4 Hz, 1.7 Hz), 2.51 (3H, s), 2.50 (3H,s).
ES-MS (m/z): 417 (M + H)+.
2-(4-フルオロフェニル)-4-キノリンカルボン酸、HATUおよびHOAtのかわりに、2-ヒドロキシ-4-キノリンカルボン酸、市販のアミン、HBTUおよびHOBtを使用し、後述の化合物Ia-46の合成方法に準じて合成した。
ES-MS (m/z): 323 (M + H)+.
化合物Ia-15の合成方法に準じて標記化合物を得た。
1H-NMR (DMSO-d6)δ: 12.73 (1H, brs), 8.09 (1H, d, J = 8.3Hz), 8.06 (1H, s), 7.85 (1H, d, J = 8.3 Hz), 7.74 (1H, dd, J = 8.3 Hz, 6.8 Hz),7.51 (1H, dd, J = 8.3 Hz, 7.3 Hz), 7.33 (1H, d, J = 2.0 Hz), 7.28 (1H, m), 6.80(1H, dd, J = 3.9 Hz, 2.0 Hz), 4.48 (2H, t, J = 6.8 Hz), 1.79 (2H, tt, J = 7.8Hz, 6.8 Hz), 1.49 (2H, tq, J = 7.8 Hz, 7.3 Hz), 0.97 (3H, t, J = 7.3 Hz).
ES-MS (m/z): 379 (M + H)+.
2-フェニル-4-キノリンカルボン酸のかわりに2-(2-フルオロフェニル)-4-キノリンカルボン酸を使用し、製造例1の合成方法に準じて合成した。
ES-MS (m/z): 401 (M + H)+.
2-(4-フルオロフェニル)-4-キノリンカルボン酸のかわりに市販の2-(2-クロロフェニル)-4-キノリンカルボン酸を使用し、後述の化合物Ia-46の合成方法に準じて合成した。
ES-MS (m/z): 419 (37ClM + H)+, 417 (35ClM + H)+.
2-フェニル-4-キノリンカルボン酸のかわりに参考例14記載の2-(2-アセトキシフェニル)キノリンカルボン酸を使用し、製造例1の方法に準じて2-(2-アセトキシフェニル)-N-[5-(2-フリル)-1,3,4-オキサジアゾール-2-イル]-4-キノリンカルボキサミドを合成し、炭酸カリウムで脱保護することにより標記化合物を得た。
ES-MS (m/z): 399 (M+H)+.
2-(4-フルオロフェニル)-4-キノリンカルボン酸、HATUおよびHOAtのかわりに、それぞれ参考例7記載の2-(2-ニトロフェニル)-4-キノリンカルボン酸、HBTUおよびHOBtを使用し、後述の化合物Ia-46の合成方法に準じて合成した。
ES-MS (m/z): 427 (M+H)+.
化合物Ia-39を常法により接触還元に付し、標記化合物を得た。
1H-NMR (DMSO-d6)δ: 8.36 (1H, s), 8.23 (1H, d, J = 7.9Hz), 8.15 (1H, d, J = 8.5 Hz), 8.08 (1H, d, J = 1.1 Hz), 7.94 (1H, d, J = 7.4Hz), 7.85 (1H, ddd, J = 8.5 Hz, 7.4 Hz, 1.1 Hz), 7.67 (1H, ddd, J = 7.9 Hz, 7.4Hz, 1.1 Hz), 7.32 (1H, d, J = 3.4 Hz), 7.19 (1H, ddd, J = 8.5 Hz, 7.4 Hz, 1.1Hz), 6.88 (1H, dd, J = 7.9 Hz, 1.1 Hz), 6.82 (1H, dd, J = 3.4 Hz, 1.7 Hz), 6.70(1H, ddd, J = 7.9 Hz, 7.4 Hz, 1.1 Hz).
ES-MS (m/z): 398 (M+H)+.
2-(4-フルオロフェニル)-4-キノリンカルボン酸のかわりに市販の2-(3-クロロフェニル)-4-キノリンカルボン酸を使用し、後述の化合物Ia-46の合成方法に準じて合成した。
ES-MS (m/z): 419 (37ClM + H)+, 417 (35ClM + H)+.
2-フェニル-4-キノリンカルボン酸のかわりに市販の2-(3-メトキシフェニル)-4-キノリンカルボン酸を使用し、製造例1の合成方法に準じて合成した。
ES-MS (m/z): 413 (M + H)+.
1H-NMR (DMSO-d6)δ: 8.81 (1H, s), 8.72 (1H, d, J = 7.9Hz), 8.65 (1H, s), 8.30 (1H, brs), 8.25 (1H, d, J = 8.5 Hz), 8.09 (1H, s), 8.04(1H, d, J = 7.4 Hz), 7.93 (1H, m), 7.84 (1H, m), 7.77 (1H, m), 7.32 (1H, s),6.83 (1H, dd, J = 3.4 Hz, 1.7 Hz).
ES-MS (m/z): 408 (M + H)+.
1H-NMR (DMSO-d6)δ: 8.95 (1H, brs), 8.69 (1H, brs), 8.60(1H, br), 8.30 (1H, br), 8.19-8.15 (2H, m), 7.94-7.67 (4H, m), 7.42 (1H, brs),6.93 (1H, brs), 1.76 (9H, s).
ES-MS (m/z): 483 (M + H)+.
化合物Ia-44をトリフルオロ酢酸で処理して標記化合物を得た。
1H-NMR (DMSO-d6)δ: 12.83 (1H, br), 8.92 (1H, s), 8.59 (1H,d, J = 7.8 Hz), 8.55 (1H, s), 8.29 (1H, d, J = 8.3 Hz), 8.23 (1H, d, J = 8.3Hz), 8.11 (1H, d, J = 7.8 Hz), 8.06 (1H, d, J = 2.0 Hz), 7.89 (1H, dd, J = 8.3Hz, 7.3 Hz), 7.75-7.71 (2H, m), 7.31 (1H, d, J = 3.4 Hz), 6.81 (1H, dd, J = 3.4Hz, 2.0 Hz).
ES-MS (m/z): 427 (M + H)+.
市販の2-(4-フルオロフェニル)-4-キノリンカルボン酸(67mg, 0.25mmol)のDMF(2mL)溶液に、市販の2-アミノ-5-(2-フリル)-1,3,4-オキサジアゾール(57mg,0.38mmol)、HOAt(51mg,0.37mmol)、HATU(143mg,0.38mmol)およびN,N-ジイソプロピルエチルアミン(87μL,0.50mmol)を加え、室温で3日間攪拌した。反応液に水を加え、析出した固体を濾取、水洗後、メタノールおよび塩化メチレンで順次洗浄して得られた固体を乾燥することにより、標記化合物(61mg,0.15mmol)を得た。
ES-MS (m/z): 401 (M + H)+.
1H-NMR (DMSO-d6)δ: 12.84 (1H, brs), 8.52 (1H, s), 8.40(2H, d, J = 8.8 Hz), 8.27 (1H, brd, J = 8.3 Hz), 8.20 (1H, d, J = 8.3 Hz), 8.08(1H, d, J = 2.0 Hz), 7.90 (1H, dd, J = 8.3 Hz, 7.3 Hz), 7.73 (1H, dd, J = 8.3Hz, 7.3 Hz), 7.68 (2H, d, J = 8.8 Hz), 7.32 (1H, d, J = 3.2 Hz), 6.82 (1H, dd,J = 3.2 Hz, 2.0 Hz).
ES-MS (m/z): 419 (37ClM + H)+, 417 (35ClM + H)+.
1H-NMR (DMSO-d6)δ: 12.83 (1H, br), 8.47 (1H, s),8.29-8.25 (3H, m), 8.17 (1H, d, J = 8.3 Hz), 8.08 (1H, d, J = 1.5 Hz), 7.87(1H, dd, J = 7.8 Hz, 7.3 Hz), 7.69 (1H, dd, J = 7.8 Hz, 7.3 Hz), 7.41 (2H, d, J= 8.3 Hz), 7.32 (1H, d, J = 3.4 Hz), 6.82 (1H, dd, J = 3.4 Hz, 1.5 Hz), 2.42(3H, s).
ES-MS (m/z): 397 (M + H)+.
2-(4-フルオロフェニル)-4-キノリンカルボン酸のかわりに市販の2-(4-ジフルオロメトキシフェニル)-4-キノリンカルボン酸を使用し、化合物Ia-46の合成方法に準じて合成した。
ES-MS (m/z): 449 (M + H)+.
2-(2-アセトキシフェニル)キノリンカルボン酸のかわりに参考例15記載の2-(4-アセトキシフェニル)キノリンカルボン酸を使用し、化合物Ia-38の合成方法に準じて合成した。
ES-MS (m/z): 399 (M+H)+.
ES-MS (m/z): 413 (M + H)+.
1H-NMR (DMSO-d6)δ: 8.64 (3H, m), 8.46 (2H, d, J = 8.5Hz), 8.33 (1H, d, J = 8.5 Hz), 8.26 (1H, d, J = 8.5 Hz), 8.08 (1H, brs), 7.94(1H, dd, J = 8.5 Hz, 7.4 Hz), 7.79 (1H, dd, J = 8.5 Hz, 7.4 Hz), 7.32 (1H, d, J= 2.8 Hz), 6.83 (1H, dd, J = 3.4 Hz, 1.7 Hz).
ES-MS (m/z): 428 (M+H)+.
2-フェニル-4-キノリンカルボン酸のかわりに参考例11記載の2-(4-tert-ブトキシカルボニルフェニル)-4-キノリンカルボン酸を使用し、製造例1の方法に準じて合成した。
ES-MS (m/z): 483 (M + H)+.
化合物Ia-53をトリフルオロ酢酸で処理して標記化合物を得た。
1H-NMR (DMSO-d6)δ: 12.82 (1H, brs), 8.56 (1H, s), 8.48(2H, d, J = 8.8 Hz), 8.27 (1H, d, J = 8.8 Hz), 8.22 (1H, d, J = 8.8 Hz), 8.15(2H, d, J = 8.8 Hz), 8.06 (1H, d, J = 2.0 Hz), 7.90 (1H, dd, J = 8.8 Hz, 7.3Hz), 7.74 (1H, dd, J = 8.8 Hz, 7.3 Hz), 7.31 (1H, d, J = 3.4 Hz), 6.81 (1H, dd,J = 3.4 Hz, 2.0 Hz).
ES-MS (m/z): 427 (M + H)+.
2-フェニル-4-キノリンカルボン酸のかわりに参考例12記載の2-(4-スルファモイルフェニル)-4-キノリンカルボン酸を使用し、製造例1の方法に準じて合成した。
ES-MS (m/z): 462 (M + H)+.
ES-MS (m/z): 411 (M + H)+.
1H-NMR (DMSO-d6)δ: 8.48 (1H, s), 8.20 (1H, brd, J = 8.5Hz), 8.16 (1H, d, J = 7.9 Hz), 8.09 (1H, d, J = 1.7 Hz), 7.98-7.96 (2H, m),7.86 (1H, m), 7.67 (1H, m), 7.33 (1H, d, J = 3.4 Hz), 7.17 (1H, d, J = 9.1 Hz),6.83 (1H, dd, J = 3.4 Hz, 1.7 Hz), 3.94 (3H, s), 3.88 (3H, s).
ES-MS (m/z): 443 (M + H)+.
1H-NMR (DMSO-d6)δ: 8.43 (1H, s), 8.21 (1H, d, J = 8.5Hz), 8.14 (1H, d, J = 8.5 Hz), 8.07 (1H, s), 7.94-7.93 (2H, m), 7.85 (1H, dd, J= 8.5 Hz, 7.4 Hz), 7.67 (1H, dd, J = 7.4 Hz, 7.4 Hz), 7.31 (1H, s), 7.13 (1H,d, J = 8.5 Hz), 6.82 (1H, d, J = 3.4 Hz), 6.15 (2H, s).
ES-MS (m/z): 427 (M + H)+.
2-フェニル-4-キノリンカルボン酸のかわりに市販の2-シクロプロピル-4-キノリンカルボン酸を使用し、製造例1の合成方法に準じて合成した。
ES-MS (m/z): 347 (M + H)+.
1H-NMR (DMSO-d6)δ: 8.33 (1H, brd, J = 7.9 Hz), 8.28 (1H,d, J = 7.9 Hz), 8.20 (1H, d, J = 7.9 Hz), 8.15 (1H, s), 8.12-8.08 (2H, m), 8.06(1H, dd, J = 1.7 Hz), 7.94-7.87 (2H, m), 7.78 (1H, m), 7.71 (1H, m), 7.62-7.55(2H, m), 7.29 (1H, d, J = 3.4 Hz), 6.80 (1H, dd, J = 3.4 Hz, 1.7 Hz).
ES-MS (m/z): 433 (M + H)+.
ES-MS (m/z): 463 (M + H)+.
1H-NMR (DMSO-d6)δ: 8.85 (1H, s), 8.82 (1H, d, J = 4.5Hz), 8.67 (1H, d, J = 7.9 Hz), 8.29 (1H, brs), 8.25 (1H, d, J = 8.5 Hz), 8.09(1H, m), 8.09 (1H, d, J = 1.7 Hz), 7.93 (1H, m), 7.77 (1H, m), 7.60 (1H, m),7.33 (1H, d, J = 3.4 Hz), 6.83 (1H, dd, J = 3.4 Hz, 1.7 Hz).
ES-MS (m/z): 384 (M + H)+.
2-フェニル-4-キノリンカルボン酸のかわりに、市販の2-(3-ピリジル)-4-キノリンカルボン酸を使用し、製造例1の合成方法に準じて合成した。
ES-MS (m/z): 384 (M + H)+.
ES-MS (m/z): 387 (M + H)+.
1H-NMR (DMSO-d6)δ: 8.26 (1H, s), 8.18 (1H, brs),8.12-8.09 (2H, m), 7.96 (1H, d, J = 15.9 Hz), 7.86 (1H, dd, J = 7.9 Hz, 7.4Hz), 7.78 (2H, d, J = 7.4 Hz), 7.68 (1H, dd, J = 7.4 Hz, 7.4 Hz), 7.57 (1H, d,J = 15.9 Hz), 7.47 (2H, dd, J = 7.9 Hz, 7.4 Hz), 7.40 (1H, d, J = 7.4 Hz), 7.33(1H, brs), 6.83 (1H, brs).
ES-MS (m/z): 409 (M + H)+.
2-フェニル-4-キノリンカルボン酸のかわりに市販の3-メチル-2-フェニル-4-キノリンカルボン酸を使用し、製造例1の方法に準じて合成した。
1H-NMR (DMSO-d6)δ: 8.10-8.01 (2H, m), 7.87-7.49 (8H, m),7.24 (1H, d, J = 3.4 Hz), 6.77 (1H, brs), 2.38 (3H, s).
ES-MS (m/z): 397 (M + H)+.
2-(4-フルオロフェニル)-4-キノリンカルボン酸、HATUおよびHOAtのかわりに、それぞれ参考例17記載の6-フルオロ-2-フェニル-4-キノリンカルボン酸、HBTUおよびHOBtを使用し、化合物Ia-46の合成方法に準じて合成した。
FAB-MS (m/z): 401 (M + H)+.
2-フェニル-4-キノリンカルボン酸のかわりに市販の6-ブロモ-2-フェニル-4-キノリンカルボン酸を使用し、製造例1の合成方法に準じて合成した。
ES-MS (m/z): 463 (81BrM + H)+, 461 (79BrM + H)+.
2-(4-フルオロフェニル)-4-キノリンカルボン酸、HATUおよびHOAtのかわりに、それぞれ参考例18記載の6-ヨード-2-フェニル-4-キノリンカルボン酸、HBTUおよびHOBtを使用し、化合物Ia-46の合成方法に準じて合成した。
ES-MS (m/z): 509 (M + H)+.
2-フェニル-4-キノリンカルボン酸のかわりに市販の6-メチル-2-フェニル-4-キノリンカルボン酸を使用し、化合物Ia-31の合成と方法に準じて合成した。
ES-MS (m/z): 397 (M + H)+.
1H-NMR (DMSO-d6)δ: 8.64 (1H, s), 8.38 (2H, d, J = 8.5Hz), 8.33 (1H, d, J = 9.1 Hz), 8.31 (1H, brs), 8.08 (1H, d, J = 1.7 Hz), 7.89(1H, dd, J = 9.1 Hz, 2.3 Hz), 7.64-7.57 (3H, m), 7.33 (1H, d, J = 3.4 Hz), 6.83(1H, dd, J = 3.4 Hz, 1.7 Hz).
ES-MS (m/z): 467 (M + H)+.
1H-NMR (DMSO-d6)δ: 12.91 (1H, s), 8.53 (1H, s), 8.34 (2H,d, J = 6.2 Hz), 8.30 (1H, s), 8.23 (1H, d, J = 1.8 Hz), 8.07 (1H, s), 7.73 (1H,dd, J = 9.1 Hz, 2.1 Hz), 7.59 (3H, d, J = 7.7 Hz), 7.30 (1H, d, J = 3.3 Hz),6.80 (1H, dd, J = 3.3 Hz, 1.8 Hz).
FAB-MS (m/z): 417 (M + H)+.
1H-NMR (DMSO-d6)δ: 12.90 (1H, s), 8.62 (1H, s), 8.42 (1H,d, J = 6.6 Hz), 8.37 (1H, d, J = 6.2 Hz), 8.21 (1H, d, J = 7.7 Hz), 8.07 (2H,d, J = 5.9 Hz), 7.57-7.70 (4H, m), 7.31 (1H, d, J = 3.3 Hz), 6.80 (1H, dd, J =3.3 Hz, 1.8 Hz),
FAB-MS (m/z): 417 (M + H)+.
2-(4-フルオロフェニル)-4-キノリンカルボン酸のかわりに市販の6,8-ジクロロ-2-フェニル-4-キノリンカルボン酸を使用し、化合物Ia-46の合成方法に準じて合成した。
1H-NMR (DMSO-d6)δ: 8.68 (1H, s), 8.42 (2H, d, J = 8.5Hz), 8.33 (1H, brs), 8.23 (1H, d, J = 2.3 Hz), 8.07 (1H, d, J = 1.7 Hz),7.63-7.59 (3H, m), 7.32 (1H, d, J = 3.4 Hz), 6.82 (1H, dd, J = 3.4 Hz, 1.7 Hz).
ES-MS (m/z): 453 (37Cl35ClM + H)+, 451 (35Cl35ClM+ H)+.
ES-MS (m/z): 459 (M + H)+.
1H-NMR (DMSO-d6)δ: 9.33 (1H, brs), 8.50 (3H, br),8.24-8.09 (4H, brm), 7.86 (1H, brs), 7.69 (2H, brs), 7.57-7.51 (3H, brm), 7.09(1H, brs), 6.68 (1H, brs).
ES-MS (m/z): 460 (M + H)+.
1H-NMR (DMSO-d6)δ: 8.54 (1H, s), 8.47 (1H, brs), 8.36(2H, d, J = 8.3 Hz), 8.18 (1H, d, J = 8.8 Hz), 8.01 (1H, d, J = 2.0 Hz), 7.87(1H, d, J = 8.8 Hz), 7.65 (2H, d, J = 8.3 Hz), 7.25 (1H, d, J = 3.4 Hz), 6.78(1H, dd, J = 3.4 Hz, 2.0 Hz).
ES-MS (m/z): 453 (37Cl35ClM + H)+, 451 (35Cl35ClM+ H)+.
1H-NMR (DMSO-d6)δ: 8.49 (1H, brs), 8.37 (1H, s), 8.00(1H, d, J = 1.5 Hz), 7.92-7.86 (3H, m), 7.24 (1H, d, J = 3.4 Hz), 6.95 (1H, d,J = 3.9 Hz), 6.77 (1H, dd, J = 3.4 Hz, 1.5 Hz), 2.53 (3H, s).
ES-MS (m/z): 483 (81BrM + H)+, 481 (79BrM + H)+.
1H-NMR (DMSO-d6)δ: 8.36 (1H, s), 8.14 (1H, brs), 8.07-8.04(3H, m), 7.63 (1H, t, J = 7.9 Hz), 7.54 (1H, d, J = 3.4 Hz), 7.31 (1H, s), 6.80(2H, brs).
ES-MS (m/z): 409 (37ClM + H)+, 407 (35ClM + H)+.
1H-NMR (DMSO-d6)δ: 8.41 (1H, s), 8.35 (2H, d, J = 7.4Hz), 8.17 (1H, brd, J = 8.5 Hz), 8.08 (1H, d, J = 1.7 Hz), 8.00 (1H, s),7.62-7.54 (4H, m), 7.32 (1H, d, J = 3.4 Hz), 6.83 (1H, dd, J = 3.4 Hz, 1.7 Hz),2.59 (3H, s).
ES-MS (m/z): 397 (M + H)+.
N-(5-メチル-1,3,4-オキサジアゾール-2-イル)-2-フェニル-4-キノリンカルボキサミド(化合物Ia-81)
1H-NMR (DMSO-d6)δ: 8.45 (1H, s), 8.36 (2H, d, J = 7.4Hz), 8.20-8.18 (2H, m), 7.88 (1H, dd, J = 8.5 Hz, 7.4 Hz), 7.71 (1H, dd, J =7.9 Hz, 7.4 Hz), 7.62-7.56 (3H, m), 2.55 (3H, s).
ES-MS (m/z): 331 (M + H)+.
N-(5-エチル-1,3,4-オキサジアゾール-2-イル)-2-フェニル-4-キノリンカルボキサミド(化合物Ia-82)
1H-NMR (DMSO-d6)δ: 12.50 (1H, brs), 8.45 (1H, s), 8.36(2H, d, J = 7.4 Hz), 8.20-8.18 (2H, m), 7.88 (1H, dd, J = 8.5 Hz, 6.8 Hz), 7.71(1H, dd, J = 8.5 Hz, 7.4 Hz), 7.62-7.54 (3H, m), 2.90 (2H, q, J = 7.4 Hz), 1.31(3H, t, J = 7.4 Hz).
ES-MS (m/z): 345 (M + H)+.
N-(5-ベンジル-1,3,4-オキサジアゾール-2-イル)-2-フェニル-4-キノリンカルボキサミド(化合物Ia-83)
1H-NMR (DMSO-d6)δ: 12.53 (1H, br), 8.43 (1H, s), 8.34(2H, d, J = 7.8 Hz), 8.18-8.16 (2H, m), 7.86 (1H, dd, J = 8.3 Hz, 7.3 Hz), 7.69(1H, dd, J = 8.3 Hz, 7.3 Hz), 7.61-7.52 (3H, m), 7.41-7.29 (5H, m), 4.30 (2H,s).
ES-MS (m/z): 407 (M + H)+.
N-[5-(5-ニトロ-2-フリル)-1,3,4-オキサジアゾール-2-イル]-2-フェニル-4-キノリンカルボキサミド(化合物Ia-84)
1H-NMR (DMSO-d6)δ: 8.60 (1H, s), 8.39 (2H, d, J = 8.5Hz), 8.30 (1H, d, J = 7.9 Hz), 8.22 (1H, d, J = 7.9 Hz), 7.95 (1H, d, J = 4.0Hz), 7.90 (1H, m), 7.73 (1H, m), 7.71 (1H, d, J = 4.0 Hz), 7.64-7.58 (3H, m).
N-(5-エトキシカルボニル-1,3,4-オキサジアゾール-2-イル)-2-フェニル-4-キノリンカルボキサミド(化合物Ia-85)
1H-NMR (DMSO-d6)δ: 8.49 (1H, s), 8.36 (2H, d, J = 7.4Hz), 8.26 (1H, d, J = 8.5 Hz), 8.20 (1H, d, J = 8.5 Hz), 7.89 (1H, dd, J = 8.5Hz, 7.4 Hz), 7.72 (1H, dd, J = 8.5 Hz, 7.4 Hz), 7.63-7.56 (3H, m), 4.46 (2H, q,J = 6.8 Hz), 1.37 (3H, t, J = 6.8 Hz).
ES-MS (m/z): 389 (M + H)+.
N-(5-モルホリノ-1,3,4-オキサジアゾール-2-イル)-2-フェニル-4-キノリンカルボキサミド(化合物Ia-86)
2-アミノ-5-(2-フリル)-1,3,4-オキサジアゾールのかわりに市販の2-アミノ-5-モルホリノ-1,3,4-オキサジアゾールを使用し、化合物Ia-46の合成方法に準じて合成した。
1H-NMR (CDCl3)δ: 8.45-8.10 (5H, brm), 7.72-7.42 (5H,brm), 4.24-3.49 (8H, brm).
ES-MS (m/z): 402 (M + H)+.
後述の化合物Ia-91(0.1476g,0.335mmol)のメタノール(6.7mL)溶液に、飽和炭酸水素ナトリウム水溶液(1.5mL〉を少しずつ加え、室温で3時間攪拌した。反応液をジクロロメタンで抽出、飽和食塩水で洗浄、無水硫酸ナトリウムで乾燥後、溶媒留去して得られた残渣をシリカゲルカラムクロマトグラムにて分取し、溶媒留去して標記化合物(0.0856g,0.215mmol)を淡黄色粉末として得た。
ES-MS (m/z): 399 (M + H)+.
化合物Ia-87(0.0996g,0.250mmol)のテトラヒドロフラン(5.0mL)溶液に、ジメチルアミノエタノール(0.0334g,0.375mmol)およびトリフェニルホスフィン(0.0984g,0.375mmol)を加え、アゾジカルボン酸ジエチルの2.2mmol/Lトルエン溶液(171μL)を少しずつ加え、室温で15時間攪拌した。溶媒留去して得られた残渣をシリカゲルカラムクロマトグラムにて分取し、溶媒留去して標記化合物(0.0434g,0.0924mmol)を淡黄色粉末として得た。
ES-MS (m/z): 470 (M + H)+.
ジメチルアミノエタノールのかわりにメトキシエタノールを使用し、化合物Ia-88の合成方法に準じて合成した。
ES-MS (m/z): 457 (M + H)+.
ジメチルアミノエタノールのかわりにベンジルアルコールを使用し、化合物Ia-88の合成方法に準じて合成した。
1H-NMR (CDCl3)δ: 8.72 (1H, d, J = 2.7 Hz), 8.64 (1H, s),8.18-8.11 (3H, m), 7.57-7.32 (10H, m), 7.17 (1H, d, J = 3.7 Hz), 6.51 (1H, m),5.26 (2H, s).
ES-MS (m/z): 489 (M + H)+.
2-フェニル-4-キノリンカルボン酸のかわりに参考例21に記載の6-アセトキシ-2-フェニル-4-キノリンカルボン酸を使用し、製造例1の方法に準じて合成した。
ES-MS (m/z): 441 (M + H)+.
1H-NMR (DMSO-d6)δ: 10.28 (1H, s), 8.82 (1H, s), 8.25 (1H,s), 8.14 (1H, d, J = 2.4 Hz), 8.06 (1H, d, J = 3.4 Hz), 8.01 (1H, d, J = 3.4Hz), 8.07 (1H, s), 7.93 (1H, s), 7.50-7.41 (3H, m), 7.08 (1H, d, J = 3.3 Hz),6.72 (1H, dd, J = 3.3 Hz, 1.8 Hz), 2.08 (3H, s).
FAB-MS (m/z): 440 (M + H)+.
1H-NMR (DMSO-d6)δ: 10.19 (1H, s), 8.82 (1H, s), 8.08-8.20(4H, m), 8.00 (1H, s), 7.91 (1H, s), 7.51-7.45 (3H, m), 7.05 (1H, d, J = 3.3Hz), 6.71 (1H, dd, J = 3.3 Hz, 1.8 Hz), 2.38 (2H, q, J = 7.6 Hz), 1.09 (3H, t,J = 7.6 Hz).
FAB-MS (m/z): 454 (M + H)+.
1H-NMR (DMSO-d6)δ: 10.24 (1H, s), 8.77 (1H, s), 8.27 (1H,s), 8.21 (2H, d, J = 7.0 Hz), 8.08-8.03 (2H, m), 8.01 (1H, s), 7.55-7.46 (4H,m), 7.11 (1H, d, J = 3.3 Hz), 6.74 (1H, dd, J = 3.3 Hz, 1.8 Hz), 2.34 (2H, q, J= 8.3 Hz), 1.66-1.56 (2H, m), 0.91 (3H, t, J=7.3 Hz).
FAB-MS (m/z): 468 (M + H)+.
参考例22に記載の6-シアノ-2-フェニル-4-キノリンカルボン酸(0.0548g,0.200mmol)およびトリエチルアミン(0.0223g,0.220mmol)のジメチルホルムアミド(5.0mL)溶液にHOBt(0.0351g,0.260mmol)および1-エチル-3-(3-ジメチルアミノプロピル)カルボジイミド(EDC)(0.0460g,0.240mmol)を加え、室温で30分攪拌し、市販の2-アミノ-5-(2-フリル)-1,3,4-オキサジアゾール(0.0332g,0.220mmol)を加えて室温で攪拌した。反応液をジクロロメタンで抽出、水および飽和食塩水で洗浄、無水硫酸ナトリウムで乾燥後、溶媒留去して得られた残渣をシリカゲルカラムクロマトグラムにて分取し、溶媒留去して標記化合物(0.001g,0.0024mmol)をアモルファス状物質として得た。
ES-MS (m/z): 408 (M + H)+.
ES-MS (m/z): 477 (M + H)+.
ES-MS (m/z): 477 (M + H)+.
1H-NMR (DMSO-d6)δ: 9.15 (2H, brs), 8.43 (1H, brs), 8.19(2H, brd, J = 6.8 Hz), 8.10 (1H, brd, J = 8.3 Hz), 7.98 (1H, brd, J = 6.8 Hz),7.82 (1H, brs), 7.60 (2H, brd, J = 8.3 Hz), 7.53-7.45 (3H, m), 7.04 (1H, brs),6.83 (2H, brd, J = 8.3 Hz), 6.66 (1H, brs).
ES-MS (m/z): 475 (M + H)+.
1H-NMR (DMSO-d6)δ: 9.30 (1H, brs), 8.47 (1H, brs), 8.19(2H, brd, J = 7.3 Hz), 8.09 (2H, brs), 7.85-7.84 (2H, brs), 7.59 (1H, brs),7.54-7.47 (4H, m), 7.07 (1H, brs), 6.67 (1H, brs).
ES-MS (m/z): 465 (M + H)+.
1H-NMR (DMSO-d6)δ: 9.34 (1H, brs), 8.98 (1H, brs), 8.50(2H, brs), 8.21 (2H, brd, J = 7.3 Hz), 8.17 (1H, brd, J = 8.8 Hz), 8.07 (2H,brs), 7.81 (1H, brs), 7.54-7.49 (3H, m), 7.34 (1H, br), 7.02 (1H, brs), 6.65(1H, brs).
ES-MS (m/z): 460 (M + H)+.
化合物Ia-40を常法によりアセチル化して標記化合物を得た。
ES-MS (m/z): 440 (M + H)+.
化合物Ia-40を常法によりメタンスルホニル化して標記化合物を得た。
ES-MS (m/z): 476 (M + H)+.
化合物Ia-52を常法により接触還元に付し、標記化合物を得た。
ES-MS (m/z): 398 (M + H)+.
ES-MS (m/z): 425 (M + H)+.
ES-MS (m/z): 429 (M + H)+.
化合物Ia-105をmCPBAにより酸化して標記化合物を得た。
ES-MS (m/z): 461 (M + H)+.
N-[5-(2-フリル)-1,3,4-オキサジアゾール-2-イル]-2-(2-チエニル)-4-キノリンカルボキサミド(化合物Ia-107)
ES-MS (m/z): 389 (M + H)+.
ES-MS (m/z): 431 (M + H)+.
ES-MS (m/z): 445 (M + H)+.
1H-NMR (DMSO-d6)δ: 8.59 (1H, s), 8.41 (1H, brs), 8.37(2H, d, J = 6.8 Hz), 8.21 (1H, d, J = 9.1 Hz), 8.01-8.00 (2H, m), 7.91 (1H, dd,J = 9.1 Hz, 2.3 Hz), 7.65-7.57 (6H, m).
ES-MS (m/z): 429 (37ClM + H)+, 427 (35ClM + H)+.
1H-NMR (DMSO-d6)δ: 12.86 (1H, br), 8.65 (1H, s),8.39-8.32 (4H, m), 8.01-8.00 (2H, m), 7.88 (1H, d, J = 9.3 Hz), 7.65-7.56 (6H,m).
ES-MS (m/z): 477 (M + H)+.
1H-NMR (DMSO-d6)δ: 8.58 (1H, s), 8.40-8.36 (3H, m), 8.21(1H, d, J = 8.5 Hz), 7.99 (1H, d, J = 9.1 Hz), 7.95 (1H, s), 7.91 (1H, dd, J =9.1 Hz, 2.3 Hz), 7.75 (1H, dd, J = 7.9 Hz, 1.1 Hz), 7.67 (1H, ddd, J = 7.9 Hz,7.9 Hz, 1.1 Hz), 7.63-7.57 (3H, m).
ES-MS (m/z): 463 (37ClM + H)+, 461 (35ClM + H)+.
1H-NMR (DMSO-d6)δ: 12.95 (1H, br), 8.65 (1H, s),8.39-8.32 (4H, m), 8.01 (2H, d, J = 8.3 Hz), 7.89 (1H, d, J = 9.3 Hz), 7.72(2H, d, J = 7.8 Hz), 7.65-7.57 (3H, m).
ES-MS (m/z): 513 (37ClM + H)+, 511 (35ClM + H)+.
1H-NMR (DMSO-d6)δ: 8.58 (1H, s), 8.41 (1H, brs), 8.36(2H, d, J = 7.4 Hz), 8.21 (1H, d, J = 9.1 Hz), 8.01 (2H, d, J = 8.5 Hz), 7.91(1H, dd, J = 9.1 Hz, 2.3 Hz), 7.72 (2H, d, J = 9.1 Hz), 7.53-7.57 (3H, m).
ES-MS (m/z): 463 (37ClM + H)+, 461 (35ClM + H)+.
ES-MS (m/z): 513 (37ClM + H)+, 511 (35ClM + H)+.
1H-NMR (DMSO-d6)δ: 8.58(1H, s), 8.39 (1H, brs), 8.36 (2H,d, J = 7.9 Hz), 8.21 (1H, d, J = 9.1 Hz), 7.95-7.90 (3H, m), 7.63-7.57 (3H, m),7.18 (2H, d, J = 9.1 Hz), 3.87 (3H, s).
ES-MS (m/z): 459 (37ClM + H)+, 457 (35ClM + H)+.
1H-NMR (DMSO-d6)δ: 8.65 (1H, s), 8.39 (2H, d, J = 7.4Hz), 8.35-8.33 (2H, m), 7.95 (2H, d, J = 8.5 Hz), 7.90 (1H, m), 7.65-7.59 (3H,m), 7.19 (2H, d, J = 8.5 Hz), 3.88 (3H, s).
ES-MS (m/z): 507 (M + H)+.
ES-MS (m/z): 472 (M + H)+.
ES-MS (m/z): 522 (M + H)+.
1H-NMR (DMSO-d6)δ: 12.82 (1H, br), 8.64 (1H, s), 8.53(1H, s), 8.43-8.37 (2H, m), 8.33 (2H, d, J = 9.3 Hz), 7.98 (1H, s), 7.89 (1H,d, J = 8.8 Hz), 7.64-7.58 (3H, m), 7.02 (1H, s).
ES-MS (m/z): 467 (M + H)+.
4-(2-フェニル-6-トリフルオロメトキシ-4-キノリンカルボニル)-1-(2-チオフェンカルボニル)チオセミカルバジドのかわりに、参考例37に記載の4-(6-クロロ-2-フェニル-4-キノリンカルボニル)-1-(2-チオフェンカルボニル)チオセミカルバジドを使用し、後述の化合物Ia-122の合成方法に準じて合成した。
ES-MS (m/z): 435 (37ClM + H)+, 433 (35ClM + H)+.
参考例28記載の4-(2-フェニル-6-トリフルオロメトキシ-4-キノリンカルボニル)-1-(2-チオフェンカルボニル)チオセミカルバジド(70mg,0.14mmol)のピリジン(2mL)溶液に、p-トルエンスルホニルクロリド(32.7mg,0.17mmol)を加え、室温で終夜攪拌した。反応液を濃縮後、残渣に水を加えて析出した結晶を濾取、水洗、乾燥後、シリカゲルカラムクロマトグラフィーで精製することにより、標記化合物(16mg,0.03mmol)を得た。
ES-MS (m/z): 483 (M + H)+.
N-[5-(3-メチル-2-フリル)-1,3,4-オキサジアゾール-2-イル]-2-フェニル-4-キノリンカルボキサミド(化合物Ia-123)
ES-MS (m/z): 397 (M + H)+.
N-[5-(5-メチル-2-フリル)-1,3,4-オキサジアゾール-2-イル]-2-フェニル-4-キノリンカルボキサミド(化合物Ia-124)
ES-MS (m/z): 397 (M + H)+.
N-[5-(4,5-ジメチル-2-フリル)-1,3,4-オキサジアゾール-2-イル]-2-フェニル-4-キノリンカルボキサミド(化合物Ia-125)
ES-MS (m/z): 411 (M + H)+.
N-[5-(2-ベンゾフリル)-1,3,4-オキサジアゾール-2-イル]-2-フェニル-4-キノリンカルボキサミド(化合物Ia-126)
ES-MS (m/z): 433 (M + H)+.
N-[5-(2-メチル-4-チアゾリル)-1,3,4-オキサジアゾール-2-イル]-2-フェニル-4-キノリンカルボキサミド(化合物Ia-127)
ES-MS (m/z): 414 (M+H)+.
N-[5-(2,4-ジメチル-5-チアゾリル)-1,3,4-オキサジアゾール-2-イル]-2-フェニル-4-キノリンカルボキサミド(化合物Ia-128)
ES-MS (m/z): 427 (M+H)+.
N-[5-(3-メトキシフェニル)-1,3,4-オキサジアゾール-2-イル]-2-フェニル-4-キノリンカルボキサミド(化合物Ia-129)
ES-MS (m/z): 423 (M+H)+.
N-(5-シアノメチル-1,3,4-オキサジアゾール-2-イル)-2-フェニル-4-キノリンカルボキサミド(化合物Ia-130)
ES-MS (m/z): 356 (M+H)+.
N-[5-(2-フリル)-1,3,4-オキサジアゾール-2-イル]-N-メチル-2-フェニル-4-キノリンカルボキサミド(化合物Ia-131)
60%水素化ナトリウム(102mg,2.55mmol)のDMF(20mL)懸濁液に、化合物Ia-1(620mg,1.62mmol)を加え50℃で2時間攪拌した。反応液を室温に戻し、ヨウ化メチル(434μL,6.97mmol)を加え、室温で1時間攪拌した。反応液を濃縮後、残渣に水を加え、塩化メチレンで抽出、無水硫酸ナトリウムで乾燥後、溶媒留去して得られた残渣をシリカゲルカラムクロマトグラフィーで精製し、標記化合物を得た。
ES-MS (m/z): 397 (M+H)+.
N-[5-(2-テトラヒドロフリル)-1,3,4-オキサジアゾール-2-イル]-2-フェニル-4-キノリンカルボキサミド(化合物Ia-132)
4-(2-フェニル-6-トリフルオロメトキシ-4-キノリンカルボニル)-1-(2-チオフェンカルボニル)チオセミカルバジドのかわりに、参考例38に記載の4-(2-フェニル-4-キノリンカルボニル)-1-(2-テトラヒドロフランカルボニル)チオセミカルバジドを使用し、化合物Ia-122の合成方法に準じて合成した。
ES-MS (m/z): 387 (M + H)+.
2-フェニル-N-(1,3,4-チアジアゾール-2-イル)-4-キノリンカルボキサミド(化合物Ib-1)
1H-NMR (DMSO-d6)δ: 9.35 (1H, s), 8.53 (1H, s), 8.38 (2H,d, J = 8.3 Hz), 8.24-8.19 (2H, m), 7.88 (1H, dd, J = 8.3 Hz, 1.2 Hz), 7.70 (1H,dd, J = 8.3 Hz, 1.2 Hz), 7.63-7.54 (3H, m).
ES-MS (m/z): 333 (M + H)+.
N-(5-ブロモ-1,3,4-チアジアゾール-2-イル)-2-フェニル-4-キノリンカルボキサミド(化合物Ib-2)
1H-NMR (DMSO-d6)δ: 13.86 (1H, brs), 8.54 (1H, s), 8.37(2H, d, J = 8.8 Hz), 8.25 (1H, d, J = 8.3 Hz), 8.20 (1H, d, J = 8.8 Hz), 7.89(1H, dd, J = 8.3 Hz, 7.3 Hz), 7.71 (1H, dd, J = 8.3 Hz, 7.3 Hz), 7.63-7.54 (3H,m).
ES-MS (m/z): 413 (81BrM + H)+, 411 (79BrM + H)+.
N-(5-フェニル-1,3,4-チアジアゾール-2-イル)-2-フェニル-4-キノリンカルボキサミド(化合物Ib-3)
1H-NMR (DMSO-d6)δ: 8.57 (1H, s), 8.39 (2H, d, J = 8.5Hz), 8.28 (1H, d, J = 8.0 Hz), 8.21 (1H, d, J = 8.5 Hz), 8.06-8.03 (2H, m),7.89 (1H, m), 7.72 (1H, m),7.64-7.55 (5H, m), 7.39 (1H, m).
ES-MS (m/z): 409 (M + H)+.
N-[5-(2-フリル)-1,3,4-チアジアゾール-2-イル]-2-フェニル-4-キノリンカルボキサミド(化合物Ib-4)
1H-NMR (DMSO-d6)δ: 8.57 (1H, s), 8.39 (2H, d, J = 8.0Hz), 8.28 (1H, d, J = 8.5 Hz), 8.20 (1H, d, J = 8.5 Hz), 8.02 (1H, s), 7.89(1H, m), 7.72 (1H, m), 7.64-7.54 (3H, m), 7.32 (1H, d, J = 3.4 Hz), 6.79 (1H,m).
ES-MS (m/z): 399 (M + H)+.
2-フェニル-N-[5-(4-ピリジル)-1,3,4-チアジアゾール-2-イル]-4-キノリンカルボキサミド(化合物Ib-5)
1H-NMR (DMSO-d6)δ: 8.72 (2H, dd, J = 4.6 Hz, 1.7 Hz),8.52 (1H, s), 8.32 (2H, d, J = 8.5 Hz), 8.22 (1H, d, J = 8.0 Hz), 8.14 (1H, d,J = 8.3 Hz), 7.96 (2H, d, J = 4.6 Hz, 1.7 Hz), 7.83 (1H, m), 7.65 (1H, m),7.57-7.48 (3H, m).
ES-MS (m/z): 410 (M + H)+.
N-[5-(2-テトラヒドロフリル)-1,3,4-チアジアゾール-2-イル]-2-フェニル-4-キノリンカルボキサミド(化合物Ib-6)
1H-NMR (DMSO-d6)δ: 8.52 (1H, s), 8.38 (2H, d, J = 9.1Hz), 8.24-8.19 (2H, m), 7.89 (1H, ddd, J = 8.5 Hz, 7.9 Hz, 1.1 Hz), 7.71 (1H,ddd, J = 8.5 Hz, 7.9 Hz, 1.1 Hz), 7.63-7.55 (3H, m), 5.33 (1H, dd, J = 7.4 Hz,5.7 Hz), 4.02 (1H, dd, J = 14.7 Hz, 8.5 Hz), 3.90 (1H, dd, J = 14.7 Hz, 6.8Hz), 2.45 (1H, m), 2.16 (1H, m), 2.07-1.98 (2H, m).
ES-MS (m/z): 403 (M + H)+.
1H-NMR (500MHz, DMSO-d6)δ: 8.77 (2H, d, J = 5.7 Hz), 8.66(1H, s), 8.47 (1H, brs), 8.38 (2H, d, J = 6.8 Hz), 8.21 (1H, d, J = 9.1 Hz),8.01 (2H, d, J = 5.1 Hz), 7.91 (1H, dd, J = 9.1 Hz, 2.3 Hz), 7.64-7.58 (3H, m).
ES-MS (m/z): 446 (37ClM + H)+, 444 (35ClM + H)+.
1H-NMR (DMSO-d6)δ: 8.78 (2H, d, J = 6.3 Hz), 8.73 (1H,s), 8.41 (2H, d, J =7.9 Hz), 8.36-8.33 (2H, m), 8.03 (2H, dd, J = 6.3 Hz, 1.1Hz), 7.90 (1H, d, J = 7.4 Hz), 7.65-7.59 (3H, m).
ES-MS (m/z): 494 (M + H)+.
2-フェニル-N-(1,3,4-トリアゾール-2-イル)-4-キノリンカルボキサミド(化合物Ic-1)
1H-NMR (DMSO-d6)δ: 8.50 (1H, s), 8.31 (2H, d, J = 8.3Hz), 8.20 (1H, d, J = 8.5 Hz), 7.97 (1H, br), 7.87 (1H, m), 7.82 (1H, d, J =8.3 Hz), 7.66 (1H, m), 7.61-7.53 (4H, m).
ES-MS (m/z): 316 (M + H)+.
N-(5-フェニル-1,3,4-トリアゾール-2-イルメチル)-2-フェニル-4-キノリンカルボキサミド(化合物Ic-2)
1H-NMR (CDCl3)δ: 8.18-8.13 (2H, m), 8.06 (2H, d, J = 7.9Hz), 7.93-7.90 (3H, m), 7.70 (1H, m), 7.50-7.35 (7H, m), 4.88 (2H, d, J = 5.5Hz).
ES-MS (m/z): 406 (M + H)+.
2-アミノ-5-(3-フリル)-1,3,4-オキサジアゾールの合成
3-フランカルボン酸(2.50g,22.3mmol)のジクロロメタン(10mL)溶液に、氷冷下で塩化チオニル(3mL)を加え、2時間加熱還流した。溶媒留去後、トルエンを加えて濃縮した残渣を、チオセミカルバジド(4.47g,49.1mmol)のTHF(50mL)溶液に氷冷下で加え、室温で終夜攪拌した。反応液に飽和炭酸水素ナトリウム水溶液を加え、酢酸エチルで抽出、無水硫酸ナトリウムで乾燥後、溶媒留去して1-(3-フロイル)チオセミカルバジド(3.03g,16.4mmol)を得た(収率74%)。
ES-MS (m/z): 152 (M + H)+.
2-ブロモ-4-キノリンカルボン酸の合成
市販の2-ヒドロキシ-4-キノリンカルボン酸(1.00g,5,29mmol)にオキシ臭化リン(5.00g,17.4mmol)を加え、90℃で4時間加熱攪拌した。反応液を氷水にあけ、塩化ナトリウムを加えて析出した結晶を濾過、水洗、乾燥して標記化合物を得た。
2-クロロ-4-キノリンカルボン酸メチルエステルの合成
市販の2-クロロ-4-キノリンカルボン酸(4.17g,20.1mmol)のDMF(25mL)溶液に、炭酸カリウム(5.55g,40.2mmol)およびヨウ化メチル(1.88mL,30.2mmol)を加え、アルゴン雰囲気下、室温で終夜攪拌した。反応液を飽和塩化ナトリウム水溶液にあけ、析出した結晶を濾過、水洗、乾燥することにより、標記化合物(3.53g,15.9mmol)を淡黄色固体として得た。
ES-MS (m/z): 224 (37ClM + H)+, 222 (35ClM + H)+.
2-クロロ-4-キノリンカルボン酸ベンジルエステルの合成
ヨウ化メチルのかわりにベンジルブロミドを用い、参考例3の方法に準じて標記化合物を得た。
ES-MS (m/z): 300 (37ClM + H)+, 298 (35ClM + H)+.
2-(4-ニトロフェニル)-4-キノリンカルボン酸の合成
(1)参考例3で得られた2-クロロ-4-キノリンカルボン酸メチルエステル(500mg,2.26mmol)の1,4-ジオキサン(5mL)およびDMF(1mL)混合溶液に、PdCl2(dppf)・CH2Cl2(184mg,0.23mmol)、リン酸三カリウム(624mg,4.51mmol)、4-ニトロフェニルボロン酸(958mg,4.51mmol)を加え、アルゴン雰囲気下、85℃で終夜加熱攪拌した。反応液を濃縮後、残渣に飽和塩化ナトリウム水溶液および塩化メチレンを加え、セライトを用いて不溶物を濾別した後、塩化メチレンで抽出、無水硫酸ナトリウムで乾燥した。溶媒留去して得られた残渣をシリカゲルカラムクロマトグラフィーで精製し、2-(4-ニトロフェニル)-4-キノリンカルボン酸メチルエステル(549mg,1.78mmol)を得た。
ES-MS (m/z): 309 (M + H)+.
ES-MS (m/z): 295 (M + H)+.
2-(4-アセチルフェニル)-4-キノリンカルボン酸の合成
(1)参考例4で得られた2-クロロ-4-キノリンカルボン酸ベンジルエステル(500mg,1.68mmol)の1,4-ジオキサン(5mL)およびDMF(1mL)混合溶液に、PdCl2(dppf)・CH2Cl2(138mg,0.17mmol)、リン酸三カリウム(715mg,3.37mmol)、4-アセチルフェニルボロン酸(414mg,2.52mmol)を加え、アルゴン雰囲気下、85℃で10時間加熱攪拌した。反応液を濃縮後、残渣に飽和塩化ナトリウム水溶液および塩化メチレンを加え、セライトを用いて不溶物を濾別した後、塩化メチレンで抽出、無水硫酸ナトリウムで乾燥した。溶媒留去して得られた残渣をシリカゲルカラムクロマトグラフィーで精製し、2-(4-アセチルフェニル)-4-キノリンカルボン酸ベンジルエステル(434mg,1.14mmol)を得た。
ES-MS (m/z): 382 (M + H)+.
ES-MS (m/z): 292 (M+H)+.
2-(2-ニトロフェニル)-4-キノリンカルボン酸の合成
4-ニトロフェニルボロン酸のかわりに2-ニトロフェニルボロン酸を用い、参考例5の方法に準じて標記化合物を得た。
ES-MS (m/z): 295 (M+H)+.
2-(3-シアノフェニル)-4-キノリンカルボン酸の合成
4-ニトロフェニルボロン酸のかわりに3-シアノフェニルボロン酸を用い、参考例5の方法に準じて標記化合物を得た。
ES-MS (m/z): 275 (M + H)+.
2-(3-tert-ブトキシカルボニルフェニル)-4-キノリンカルボン酸の合成
4-ニトロフェニルボロン酸のかわりに3-tert-ブトキシカルボニルフェニルボロン酸を用い、参考例5の方法に準じて標記化合物を得た。
ES-MS (m/z): 350 (M + H)+.
2-(4-シアノフェニル)-4-キノリンカルボン酸の合成
4-ニトロフェニルボロン酸のかわりに対応する4-シアノフェニルボロン酸を用い、参考例5の方法に準じて標記化合物を得た。
ES-MS (m/z): 275 (M + H)+.
2-(4-tert-ブトキシカルボニルフェニル)-4-キノリンカルボン酸の合成
4-ニトロフェニルボロン酸のかわりに4-tert-ブトキシカルボニルフェニルボロン酸を用い、参考例5の方法に準じて標記化合物を得た。
ES-MS (m/z): 350 (M + H)+.
2-(4-スルファモイルフェニル)-4-キノリンカルボン酸の合成
4-ニトロフェニルボロン酸のかわりに4-スルファモイルフェニルボロン酸ピナコールエステルを用い、参考例5の方法に準じて標記化合物を得た。
ES-MS (m/z): 329 (M + H)+.
2-(4-メチルチオフェニル)-4-キノリンカルボン酸の合成
(1)4-ニトロフェニルボロン酸のかわりに4-メチルチオフェニルボロン酸を用い、参考例5(1)の方法に準じて、2-(4-メチルチオフェニル)-4-キノリンカルボン酸メチルエステルを得た。
ES-MS (m/z): 310 (M + H)+.
ES-MS (m/z): 296 (M+H)+.
2-(2-アセトキシフェニル)-4-キノリンカルボン酸の合成
(1)4-アセチルフェニルボロン酸のかわりに2-ヒドロキシフェニルボロン酸を用い、参考例6(1)の方法に準じて、2-(2-ヒドロキシフェニル)-4-キノリンカルボン酸ベンジルエステルを得た。
ES-MS (m/z): 356 (M + H)+.
ES-MS (m/z): 398 (M + H)+.
ES-MS (m/z): 308 (M + H)+.
2-(4-アセトキシフェニル)-4-キノリンカルボン酸の合成
2-ヒドロキシフェニルボロン酸のかわりに4-ヒドロキシフェニルボロン酸を用い、参考例14の方法に準じ、標記化合物を得た。
ES-MS (m/z): 308 (M + H)+.
2-フェニル-6-トリフルオロメトキシ-4-キノリンカルボン酸の合成
水酸化カリウム(85%,3.60g,54.5mmol)のエタノール(75mL)溶液に、市販の5-トリフルオロメトキシイサチン(5.66g,24.5mmol)を氷冷下で少しずつ加え、さらにアセトフェノン(3.00mL,25.7mmol)を加えた後、1時間加熱還流した。反応液を濃縮後、残渣に水を加え、濃塩酸(4.47mL,53.6mmol)を加え、析出した結晶を濾取、水洗、乾燥した。粗結晶を飽和炭酸水素ナトリウム水溶液に溶解させ、ジイソプロピルエーテルで洗浄後、結晶が析出するまで濃塩酸を加えた。析出した結晶を濾取、水洗、乾燥させることにより、標記化合物(7.06g,21.2mmol)を黄土色粉末として得た。
ES-MS (m/z): 334 (M + H)+.
6-フルオロ-2-フェニル-4-キノリンカルボン酸の合成
5-トリフルオロメトキシイサチンのかわりに5-フルオロイサチンを用い、参考例16の方法に準じ、標記化合物を得た。
FAB-MS (m/z): 268 (M+H)+.
6-ヨード-2-フェニル-4-キノリンカルボン酸の合成
5-トリフルオロメトキシイサチンのかわりに5-ヨードイサチンを用い、参考例16の方法に準じ、標記化合物を得た。
ES-MS (m/z): 376 (M + H)+.
7-クロロ-2-フェニル-4-キノリンカルボン酸の合成
5-トリフルオロメトキシイサチンのかわりに6-クロロイサチンを用い、参考例16の方法に準じ、標記化合物を得た。
FAB-MS (m/z): 284 (M+H)+.
7-ブロモ-2-フェニル-4-キノリンカルボン酸の合成
5-トリフルオロメトキシイサチンのかわりに6-ブロモイサチンを用い、参考例16の方法に準じ、標記化合物を得た。
FAB-MS (m/z): 284 (M+H)+.
6-アセトキシ-2-フェニル-4-キノリンカルボン酸の合成
(1)4-ベンジリデンアミノフェノール(0.8875g,4.50mmol)のアセトニトリル(15.0mL)溶液に、インジウムクロライド(0.4977g,2.25mmol)およびエチルピルベート(1.3064g,11.3mmol)を加え、マイクロウェーブを照射しながら90℃、27分間加熱攪拌した。反応液に水および飽和食塩水を加え、ジクロロメタンで抽出、無水硫酸ナトリウムで乾燥後、溶媒留去して得られた残渣をシリカゲルカラムクロマトグラフィーにより精製し、溶媒留去して6-ヒドロキシ-2-フェニル-4-キノリンカルボン酸エチル(0.264g,0.900mmol)を淡黄色粉末として得た。
ES-MS (m/z): 294 (M + H)+.
ES-MS (m/z): 308 (M + H)+.
6-シアノ-2-フェニル-4-キノリンカルボン酸の合成
(1)6-ブロモ-2-フェニル-4-キノリンカルボン酸メチル(0.9749g,2.85mmol)のジメチルホルムアミド(14.0mL)溶液に、シアン化亜鉛(0.3394g,2.89mmol)およびテトラキス(トリフェニルホスフィン)パラジウム(0.1647g,0.143mmol)を加えて、マイクロウェーブを照射しながら150℃、10分間加熱攪拌した。反応液に水および飽和塩化ナトリウム水溶液を加え、酢酸エチルで抽出、無水硫酸ナトリウムで乾燥後、溶媒留去して得られた残渣をシリカゲルカラムクロマトグラフィーにより精製し、溶媒留去して6-シアノ-2-フェニル-4-キノリンカルボン酸メチル(0.6614g,2.29mmol)を淡黄色粉末として得た。
ES-MS (m/z): 289 (M + H)+.
ES-MS (m/z): 275 (M + H)+.
6-ニトロ-2-フェニル-4-キノリンカルボン酸の合成
5-トリフルオロメトキシイサチンのかわりに5-ニトロイサチンを用い、参考例16の方法に準じ、標記化合物を得た。
FAB-MS (m/z): 295 (M+H)+.
6-アミノ-2-フェニルキノリン-4-カルボン酸の合成
参考例23で得られた6-ニトロ-2-フェニル-4-キノリンカルボン酸を、常法により塩化スズ/塩酸で還元し、標記化合物を得た。
FAB-MS (m/z): 265 (M+H)+.
6-アセチルアミノ-2-フェニル-4-キノリンカルボン酸の合成
塩化プロピオニルのかわりに塩化アセチルを用い、参考例26の方法に準じ、標記化合物を得た。
FAB-MS (m/z): 307 (M+H)+.
2-フェニル-6-プロピオニルアミノ-4-キノリンカルボン酸の合成
6-アミノ-2-フェニルキノリン-4-カルボン酸(378mg,1.4mmol)をピリジン(0.2mL)および無水THF(25mL)に懸濁させ、激しく攪拌しながら、塩化プロピオニル(370mg,4mmol)を滴下した。1.5時間還流後、反応液を約10mLに濃縮し、酢酸エチルを加えて析出した沈殿物を濾取し、水とエチルエーテルで洗浄した。氷酢酸から再結晶することにより、標記化合物(362mg,1.13mmol)を黄色粉末として得た。
FAB-MS (m/z): 321(M + H)+.
6-ブチリルアミノ-2-フェニル-4-キノリンカルボン酸の合成
塩化プロピオニルのかわりに塩化ブチリルを用い、参考例26の方法に準じ、標記化合物を得た。
FAB-MS (m/z): 335 (M+H)+.
4-(2-フェニル-6-トリフルオロメトキシ-4-キノリンカルボニル)-1-(2-チオフェンカルボニル)チオセミカルバジドの合成
参考例16記載の2-フェニル-6-トリフルオロメトキシ-4-キノリンカルボン酸(100mg,0.30mmol)の塩化メチレン(2mL)溶液に、塩化オキザリル(129μL,1.50mmol)および塩化メチレン(3mL)を加え、室温で1時間攪拌した後、塩化オキザリル(129μL,1.50mmol)を加え、さらに2時間攪拌した。反応液を濃縮し、残渣を無水アセトニトリル(1mL)に溶解させ、チオシアン酸カリウム(146mg,1.50mmol)を加えて室温で1時間攪拌した。反応液に市販の2-チオフェンカルボヒドラジド(64mg,0.45mmol)を加え、室温で終夜攪拌した。反応液にメタノールを加えて濃縮し、残渣に飽和塩化ナトリウム水溶液を加えて析出した結晶を濾取、水洗、乾燥後、シリカゲルカラムクロマトグラフィーで精製することにより、標記化合物(71mg,0.14mmol)を得た。
ES-MS (m/z): 517 (M + H)+.
1-(3-メチル-2-フロイル)-4-(2-フェニル-4-キノリンカルボニル)チオセミカルバジドの合成
(1)後述の参考例30(1)の方法に準じ、5-メチルフラン-2-カルボニルクロリドおよびカルバジン酸tert-ブチルのかわりに3-メチルフラン-2-カルボニルクロリドおよびカルバジン酸ベンジルを用い、トリフルオロ酢酸で処理する代わりに水素添加に付すことにより3-メチルフラン-2-カルボヒドラジドを得た。
(2)上記で得られた3-メチルフラン-2-カルボヒドラジドから、後述の参考例30(2)の方法に準じて標記化合物を得た。
ES-MS (m/z): 431 (M + H)+.
1-(5-メチル-2-フロイル)-4-(2-フェニル-4-キノリンカルボニル)チオセミカルバジドの合成
(1)市販の5-メチルフラン-2-カルボニルクロリド(500mg,3.46mmol)の塩化メチレン(10mL)溶液に、氷冷下でカルバジン酸tert-ブチル(549mg,4.15mmol)を加え、室温で1時間攪拌した。反応液を濃縮後、残渣を塩化メチレン(10mL)に溶解させ、トリフルオロ酢酸(2mL)を加え、室温で1.5時間攪拌した。反応液を濃縮し、5-メチルフラン-2-カルボヒドラジドを得た。
ES-MS (m/z): 141 (M + H)+.
ES-MS (m/z): 431 (M + H)+.
1-(4,5-ジメチル-2-フロイル)-4-(2-フェニル-4-キノリンカルボニル)チオセミカルバジドの合成
(1)市販の4,5-ジメチルフランカルボン酸(248mg,1.77mmol)の塩化メチレン(5mL)溶液に、カルバジン酸tert-ブチル(350mg,2.65mmol)、HBTU(1.01g,2.66mmol)およびN,N-ジイソプロピルエチルアミン(923μL,5.30mmol)を加え、室温で終夜攪拌した。反応液を濃縮後、残渣に飽和炭酸水素ナトリウム水溶液を加え、塩化メチレンで抽出、無水硫酸ナトリウムで乾燥後、溶媒留去して得られた残渣を塩化メチレン(6mL)に溶解させ、トリフルオロ酢酸(1.5mL)を加え、室温で1.5時間攪拌した。反応液を濃縮し、4,5-ジメチルフラン-2-カルボヒドラジドを得た。
ES-MS (m/z): 445 (M + H)+.
1-(2-ベンゾフランカルボニル)-4-(2-フェニル-4-キノリンカルボニル)チオセミカルバジドの合成
4,5-ジメチルフランカルボン酸のかわりに2-ベンゾフランカルボン酸を用い、参考例31と同様の方法により、標記化合物を得た。
ES-MS (m/z): 467 (M + H)+.
1-(2-メチル-4-チアゾリルカルボニル)-4-(2-フェニル-4-キノリンカルボニル)チオセミカルバジドの合成
2-フェニル-6-(トリフルオロメトキシ)-4-キノリンカルボン酸の代わりに2-フェニル-4-キノリンカルボン酸を用い、2-チオフェンカルボヒドラジドの代わりに市販の2-メチル-4-チアゾールカルボヒドラジドを用い、参考例28の方法に準じ、標記化合物を得た。
ES-MS (m/z): 448 (M + H)+.
1-(2,4-ジメチル-5-チアゾリルカルボニル)-4-(2-フェニル-4-キノリンカルボニル)チオセミカルバジドの合成
2-フェニル-6-(トリフルオロメトキシ)-4-キノリンカルボン酸のかわりに2-フェニル-4-キノリンカルボン酸を用い、2-チオフェンカルボヒドラジドのかわりに市販の2,4-ジメチル-5-チアゾールカルボヒドラジドを用い、参考例28と同様の方法により、標記化合物を得た。
ES-MS (m/z): 462 (M + H)+.
1-(3-メトキシベンゾイル)-4-(2-フェニル-4-キノリンカルボニル)チオセミカルバジドの合成
2-フェニル-6-(トリフルオロメトキシ)-4-キノリンカルボン酸の代わりに2-フェニル-4-キノリンカルボン酸を用い、2-チオフェンカルボヒドラジドの代わりに市販の3-メトキシベンゾイルヒドラジドを用い、参考例28の方法に準じ、標記化合物を得た。
ES-MS (m/z): 457 (M + H)+.
1-シアノメチルカルボニル-4-(2-フェニル-4-キノリンカルボニル)チオセミカルバジドの合成
2-フェニル-6-(トリフルオロメトキシ)-4-キノリンカルボン酸の代わりに2-フェニル-4-キノリンカルボン酸を用い、2-チオフェンカルボヒドラジドの代わりに市販のシアノアセチルヒドラジドを用い、参考例28の方法に準じ、標記化合物を得た。
ES-MS (m/z): 390 (M + H)+.
4-(6-クロロ-2-フェニル-4-キノリンカルボニル)-1-(2-チオフェンカルボニル)チオセミカルバジドの合成
2-フェニル-6-(トリフルオロメトキシ)-4-キノリンカルボン酸の代わりに6-クロロ-2-フェニル-4-キノリンカルボン酸を用い、参考例28の方法に準じ、標記化合物を得た。
ES-MS (m/z): 468 (37ClM + H)+, 466 (35ClM + H)+.
4-(2-フェニル-4-キノリンカルボニル)-1-(2-テトラヒドロフランカルボニル)チオセミカルバジドの合成
3-メチルフランカルボン酸のかわりに2-テトラヒドロフランカルボン酸を用い、参考例29と同様の方法により、標記化合物を得た。
ES-MS (m/z): 421 (M + H)+.
Claims (26)
- 式(I)
R1、R2、R3、R4、R5、R6、R7およびR8は、同一または異なって、水素原子、置換もしくは非置換アルキル基、置換もしくは非置換シクロアルキル基、置換もしくは非置換アルケニル基、置換もしくは非置換アルキニル基、置換もしくは非置換脂環式複素環基、置換もしくは非置換アリール基、置換もしくは非置換アラルキル基、置換もしくは非置換芳香族複素環基、置換もしくは非置換芳香族複素環アルキル基、COR9(式中、R9は、水素原子、置換もしくは非置換アルキル基、置換もしくは非置換シクロアルキル基、置換もしくは非置換アルケニル基、置換もしくは非置換アルキニル基、置換もしくは非置換脂環式複素環基、置換もしくは非置換アリール基、置換もしくは非置換アラルキル基、置換もしくは非置換芳香族複素環基または置換もしくは非置換芳香族複素環アルキル基を表す)、COOR10(式中、R10は、前記R9と同義である)、C(=Q1)NR11R12[式中、Q1は、酸素原子、硫黄原子またはNR13(式中、R13は、前記R9と同義である)を表し、R11およびR12は、同一または異なって、水素原子、置換もしくは非置換アルキル基、置換もしくは非置換シクロアルキル基、置換もしくは非置換アルケニル基、置換もしくは非置換アルキニル基、置換もしくは非置換脂環式複素環基、置換もしくは非置換アリール基、置換もしくは非置換アラルキル基、置換もしくは非置換芳香族複素環基、置換もしくは非置換芳香族複素環アルキル基、または、R11とR12が一緒になって、含窒素複素環基を表す]、OR14(式中、R14は、前記R9と同義である)、OCOR15(式中、R15は、前記R9と同義である)、S(O)mR16(式中、mは、0、1または2を表し、R16は、前記R9と同義である)、SO2NR17R18(式中、R17およびR18は、同一または異なって、それぞれ前記R11およびR12と同義である)、NR19R20[式中、R19およびR20は、同一または異なって、水素原子、置換もしくは非置換アルキル基、置換もしくは非置換シクロアルキル基、置換もしくは非置換アルケニル基、置換もしくは非置換アルキニル基、置換もしくは非置換脂環式複素環基、置換もしくは非置換アリール基、置換もしくは非置換アラルキル基、置換もしくは非置換芳香族複素環基、置換もしくは非置換芳香族複素環アルキル基、COR21(式中、R21は、前記R9と同義である)、COOR22(式中、R22は、前記R9と同義である)、SO2R23(式中、R23は、前記R9と同義である)、または、R19とR20が一緒になって、含窒素複素環基を表す]、N(R24)C(=Q2)NR25R26[式中、Q2は、酸素原子、硫黄原子、NR27(式中、R27は、前記R9と同義である)、NCN、CHNO2またはC(CN)2を表し、R24は、前記R9と同義であり、R25およびR26は、同一または異なって、それぞれ前記R11およびR12と同義である]、N(R28)SO2NR29R30(式中、R28は、前記R9と同義であり、R29およびR30は、同一または異なって、それぞれ前記R11およびR12と同義である)、SiR31R32R33(式中、R31、R32およびR33は、同一または異なって、前記R9と同義である)、ニトロ基、シアノ基またはハロゲン原子を表し、ここで、任意の連接する二つのR3~R8は、一緒になって、置換もしくは非置換の脂環式炭化水素環、脂環式複素環、芳香族炭化水素環または芳香族複素環を形成してもよく、
Wは、単結合または置換もしくは非置換のアルキレン基を表し、
Xは、酸素原子、硫黄原子またはNR34(式中、R34は、前記R9と同義である)を表す}
で表されるキノリンカルボキサミド誘導体またはそれらの薬理学的に許容される塩を有効成分として含有するSTAT3阻害剤。 - Wが単結合であるキノリンカルボキサミド誘導体またはそれらの薬理学的に許容される塩を有効成分として含有することを特徴とする請求項2記載のSTAT3阻害剤。
- R1およびR3が、同一または異なって、置換もしくは非置換アリール基、置換もしくは非置換芳香族複素環基、スチリル基またはアルコキシ基であるキノリンカルボキサミド誘導体またはそれらの薬理学的に許容される塩を有効成分として含有することを特徴とする請求項3記載のSTAT3阻害剤。
- アリール基がフェニル基またはナフチル基であるキノリンカルボキサミド誘導体またはそれらの薬理学的に許容される塩を有効成分として含有することを特徴とする請求項4記載のSTAT3阻害剤。
- 芳香族複素環基がフリル基またはチエニル基であるキノリンカルボキサミド誘導体またはそれらの薬理学的に許容される塩を有効成分として含有することを特徴とする請求項4記載のSTAT3阻害剤。
- R1がフリル基を、R3が置換もしくは非置換フェニル基、置換もしくは非置換ナフチル基、置換もしくは非置換フリル基、置換もしくは非置換チエニル基またはスチリル基であるキノリンカルボキサミド誘導体またはそれらの薬理学的に許容される塩を有効成分として含有することを特徴とする請求項4~6のいずれか記載のSTAT3阻害剤。
- R6がフッ素原子、塩素原子、臭素原子、メチル基、フェニル基、ヒドロキシフェニル基、チエニル基、ピリジル基、メトキシ基またはトリフルオロメトキシ基であるキノリンカルボキサミド誘導体またはそれらの薬理学的に許容される塩を有効成分として含有することを特徴とする請求項7記載のSTAT3阻害剤。
- R1が置換もしくは非置換フェニル基を、R3がフェニル基であるキノリンカルボキサミド誘導体またはそれらの薬理学的に許容される塩を有効成分として含有することを特徴とする請求項4または5のいずれか記載のSTAT3阻害剤。
- R6が塩素原子またはトリフルオロメトキシ基であるキノリンカルボキサミド誘導体またはそれらの薬理学的に許容される塩を有効成分として含有することを特徴とする請求項9記載のSTAT3阻害剤。
- R2が水素原子であるキノリンカルボキサミド誘導体またはそれらの薬理学的に許容される塩を有効成分として含有することを特徴とする請求項2~10のいずれか記載のSTAT3阻害剤。
- Wが単結合であるキノリンカルボキサミド誘導体またはそれらの薬理学的に許容される塩を有効成分として含有することを特徴とする請求項12記載のSTAT3阻害剤。
- R1およびR3が、同一または異なって、置換もしくは非置換アリール基または置換もしくは非置換芳香族複素環基であるキノリンカルボキサミド誘導体またはそれらの薬理学的に許容される塩を有効成分として含有することを特徴とする請求項13記載のSTAT3阻害剤。
- R1がピリジル基を、R3が置換もしくは非置換フェニル基、置換もしくは非置換フリル基、置換もしくは非置換チエニル基またはピリジル基であるキノリンカルボキサミド誘導体またはそれらの薬理学的に許容される塩を有効成分として含有することを特徴とする請求項14記載のSTAT3阻害剤。
- R2が水素原子であるキノリンカルボキサミド誘導体またはそれらの薬理学的に許容される塩を有効成分として含有することを特徴とする請求項12~15のいずれか記載のSTAT3阻害剤。
- 請求項1~16のいずれか記載のSTAT3阻害剤を有効成分として含有することを特徴とする抗癌剤。
- 式(I-1)
R1、R2、R3、R4a、R5a、R6a、R7aおよびR8aは、同一または異なって、水素原子、置換もしくは非置換アルキル基、置換もしくは非置換シクロアルキル基、置換もしくは非置換アルケニル基、置換もしくは非置換アルキニル基、置換もしくは非置換脂環式複素環基、置換もしくは非置換アリール基、置換もしくは非置換アラルキル基、置換もしくは非置換芳香族複素環基、置換もしくは非置換芳香族複素環アルキル基、COR9(式中、R9は、水素原子、置換もしくは非置換アルキル基、置換もしくは非置換シクロアルキル基、置換もしくは非置換アルケニル基、置換もしくは非置換アルキニル基、置換もしくは非置換脂環式複素環基、置換もしくは非置換アリール基、置換もしくは非置換アラルキル基、置換もしくは非置換芳香族複素環基または置換もしくは非置換芳香族複素環アルキル基を表す)、COOR10(式中、R10は、前記R9と同義である)、C(=Q1)NR11R12[式中、Q1は、酸素原子、硫黄原子またはNR13(式中、R13は、前記R9と同義である)を表し、R11およびR12は、同一または異なって、水素原子、置換もしくは非置換アルキル基、置換もしくは非置換シクロアルキル基、置換もしくは非置換アルケニル基、置換もしくは非置換アルキニル基、置換もしくは非置換脂環式複素環基、置換もしくは非置換アリール基、置換もしくは非置換アラルキル基、置換もしくは非置換芳香族複素環基、置換もしくは非置換芳香族複素環アルキル基、または、R11とR12が一緒になって、含窒素複素環基を表す]、OR14(式中、R14は、前記R9と同義である)、OCOR15(式中、R15は、前記R9と同義である)、S(O)mR16(式中、mは、0、1または2を表し、R16は、前記R9と同義である)、SO2NR17R18(式中、R17およびR18は、同一または異なって、それぞれ前記R11およびR12と同義である)、NR19R20[式中、R19およびR20は、同一または異なって、水素原子、置換もしくは非置換アルキル基、置換もしくは非置換シクロアルキル基、置換もしくは非置換アルケニル基、置換もしくは非置換アルキニル基、置換もしくは非置換脂環式複素環基、置換もしくは非置換アリール基、置換もしくは非置換アラルキル基、置換もしくは非置換芳香族複素環基、置換もしくは非置換芳香族複素環アルキル基、COR21(式中、R21は、前記R9と同義である)、COOR22(式中、R22は、前記R9と同義である)、SO2R23(式中、R23は、前記R9と同義である)、または、R19とR20が一緒になって、含窒素複素環基を表す]、N(R24)C(=Q2)NR25R26[式中、Q2は、酸素原子、硫黄原子、NR27(式中、R27は、前記R9と同義である)、NCN、CHNO2またはC(CN)2を表し、R24は、前記R9と同義であり、R25およびR26は、同一または異なって、それぞれ前記R11およびR12と同義である]、N(R28)SO2NR29R30(式中、R28は、前記R9と同義であり、R29およびR30は、同一または異なって、それぞれ前記R11およびR12と同義である)、SiR31R32R33(式中、R31、R32およびR33は、同一または異なって、前記R9と同義である)、ニトロ基、シアノ基またはハロゲン原子を表し、また、任意の連接する二つのR3~R8は、一緒になって、置換もしくは非置換の脂環式炭化水素環、脂環式複素環、芳香族炭化水素環または芳香族複素環を形成してもよく、ここで、R4a、R5a、R6a、R7aおよびR8aの少なくとも一つの基は、水素原子以外の基を表し、
Wは、単結合または置換もしくは非置換のアルキレン基を表し、
Xは、酸素原子、硫黄原子またはNR34(式中、R34は、前記R9と同義である)を表す}
で表されるキノリンカルボキサミド誘導体またはそれらの薬理学的に許容される塩。 - R1aおよびR3aにおけるアリール基がフェニル基を、芳香族複素環基がフリル基またはチエニル基であることを特徴とする請求項19記載のキノリンカルボキサミド誘導体またはそれらの薬理学的に許容される塩。
- R1aがフリル基を、R3aが置換もしくは非置換フェニル基、フリル基またはチエニル基であることを特徴とする請求項19または20のいずれか記載のキノリンカルボキサミド誘導体またはそれらの薬理学的に許容される塩。
- R4a、R5a、R6a、R7aおよびR8aの少なくとも一つの基が、フッ素原子、塩素原子、臭素原子、メチル基、フェニル基、ヒドロキシフェニル基、チエニル基、ピリジル基、メトキシ基またはトリフルオロメトキシ基であることを特徴とする請求項19~21のいずれか記載のキノリンカルボキサミド誘導体またはそれらの薬理学的に許容される塩。
- R1aが置換もしくは非置換フェニル基を、R3aがフェニル基であることを特徴とする請求項19または20のいずれか記載のキノリンカルボキサミド誘導体またはそれらの薬理学的に許容される塩。
- R6aが、塩素原子またはトリフルオロメトキシ基であることを特徴とする請求項19、20または23のいずれか記載のキノリンカルボキサミド誘導体またはそれらの薬理学的に許容される塩。
- 式(I-2)
{式中、R3bは、水素原子、置換もしくは非置換アルキル基、置換もしくは非置換シクロアルキル基、置換もしくは非置換アルケニル基、置換もしくは非置換アルキニル基、置換もしくは非置換脂環式複素環基、フェニル基以外の置換もしくは非置換アリール基、置換もしくは非置換アラルキル基、2-チエニル以外の置換もしくは非置換芳香族複素環基、置換もしくは非置換芳香族複素環アルキル基、COR9(式中、R9は、水素原子、置換もしくは非置換アルキル基、置換もしくは非置換シクロアルキル基、置換もしくは非置換アルケニル基、置換もしくは非置換アルキニル基、置換もしくは非置換脂環式複素環基、置換もしくは非置換アリール基、置換もしくは非置換アラルキル基、置換もしくは非置換芳香族複素環基または置換もしくは非置換芳香族複素環アルキル基を表す)、COOR10(式中、R10は、前記R9と同義である)、C(=Q1)NR11R12[式中、Q1は、酸素原子、硫黄原子またはNR13(式中、R13は、前記R9と同義である)を表し、R11およびR12は、同一または異なって、水素原子、置換もしくは非置換アルキル基、置換もしくは非置換シクロアルキル基、置換もしくは非置換アルケニル基、置換もしくは非置換アルキニル基、置換もしくは非置換脂環式複素環基、置換もしくは非置換アリール基、置換もしくは非置換アラルキル基、置換もしくは非置換芳香族複素環基、置換もしくは非置換芳香族複素環アルキル基、または、R11とR12が一緒になって、含窒素複素環基を表す]、OR14(式中、R14は、前記R9と同義である)、OCOR15(式中、R15は、前記R9と同義である)、S(O)mR16(式中、mは、0、1または2を表し、R16は、前記R9と同義である)、SO2NR17R18(式中、R17およびR18は、同一または異なって、それぞれ前記R11およびR12と同義である)、NR19R20[式中、R19およびR20は、同一または異なって、水素原子、置換もしくは非置換アルキル基、置換もしくは非置換シクロアルキル基、置換もしくは非置換アルケニル基、置換もしくは非置換アルキニル基、置換もしくは非置換脂環式複素環基、置換もしくは非置換アリール基、置換もしくは非置換アラルキル基、置換もしくは非置換芳香族複素環基、置換もしくは非置換芳香族複素環アルキル基、COR21(式中、R21は、前記R9と同義である)、COOR22(式中、R22は、前記R9と同義である)、SO2R23(式中、R23は、前記R9と同義である)、または、R19とR20が一緒になって、含窒素複素環基を表す]、N(R24)C(=Q2)NR25R26[式中、Q2は、酸素原子、硫黄原子、NR27(式中、R27は、前記R9と同義である)、NCN、CHNO2またはC(CN)2を表し、R24は、前記R9と同義であり、R25およびR26は、同一または異なって、それぞれ前記R11およびR12と同義である]、N(R28)SO2NR29R30(式中、R28は、前記R9と同義であり、R29およびR30は、同一または異なって、それぞれ前記R11およびR12と同義である)、SiR31R32R33(式中、R31、R32およびR33は、同一または異なって、前記R9と同義である)、ニトロ基、シアノ基またはハロゲン原子を表し、
R2、WおよびXは、前記と同義である}
で表されるキノリンカルボキサミド誘導体またはそれらの薬理学的に許容される塩。
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AU2009269410A AU2009269410B2 (en) | 2008-07-10 | 2009-07-10 | STAT3 inhibitor containing quinolinecarboxamide derivative as active ingredient |
JP2010519655A JP5650529B2 (ja) | 2008-07-10 | 2009-07-10 | キノリンカルボキサミド誘導体を有効成分とするstat3阻害剤 |
CN200980126951.0A CN102099352B (zh) | 2008-07-10 | 2009-07-10 | 以喹啉甲酰胺衍生物为有效成分的stat3抑制剂 |
ES09794208.0T ES2622575T3 (es) | 2008-07-10 | 2009-07-10 | Inhibidor de STAT3 que contiene un derivado de quinolincarboxamida como ingrediente activo |
EP09794208.0A EP2325181B1 (en) | 2008-07-10 | 2009-07-10 | Stat3 inhibitor containing quinolinecarboxamide derivative as active ingredient |
EA201170176A EA021306B1 (ru) | 2008-07-10 | 2009-07-10 | Ингибитор stat3, содержащий хинолинкарбоксамидное производное в качестве активного ингредиента |
KR1020107029688A KR101696936B1 (ko) | 2008-07-10 | 2009-07-10 | 퀴놀린카르복사미드 유도체를 유효 성분으로 하는 stat3 저해제 |
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NZ602099A (en) | 2014-06-27 |
AU2009269410A1 (en) | 2010-01-14 |
EP2325181B1 (en) | 2017-03-29 |
US20110172429A1 (en) | 2011-07-14 |
KR101696936B1 (ko) | 2017-01-16 |
KR20110039221A (ko) | 2011-04-15 |
JP5650529B2 (ja) | 2015-01-07 |
EP2325181A4 (en) | 2012-03-07 |
EA021306B1 (ru) | 2015-05-29 |
CN102099352B (zh) | 2014-02-26 |
AU2009269410B2 (en) | 2013-12-05 |
JPWO2010004761A1 (ja) | 2011-12-22 |
PL2325181T3 (pl) | 2017-09-29 |
EA201170176A1 (ru) | 2011-08-30 |
CN102099352A (zh) | 2011-06-15 |
US8466290B2 (en) | 2013-06-18 |
CA2729988C (en) | 2016-09-13 |
NZ590355A (en) | 2013-01-25 |
EP2325181A1 (en) | 2011-05-25 |
ES2622575T3 (es) | 2017-07-06 |
CA2729988A1 (en) | 2010-01-14 |
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