WO2017144015A1 - 一种新毒素及其中间体的制备方法 - Google Patents
一种新毒素及其中间体的制备方法 Download PDFInfo
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- WO2017144015A1 WO2017144015A1 PCT/CN2017/074756 CN2017074756W WO2017144015A1 WO 2017144015 A1 WO2017144015 A1 WO 2017144015A1 CN 2017074756 W CN2017074756 W CN 2017074756W WO 2017144015 A1 WO2017144015 A1 WO 2017144015A1
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- formula
- compound
- group
- hexafluorophosphate
- acid
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- 238000000034 method Methods 0.000 title claims abstract description 52
- 239000003053 toxin Substances 0.000 title abstract description 6
- 231100000765 toxin Toxicity 0.000 title abstract description 6
- 150000001875 compounds Chemical class 0.000 claims abstract description 162
- 125000006239 protecting group Chemical class 0.000 claims abstract description 18
- 238000007112 amidation reaction Methods 0.000 claims abstract description 14
- 238000002360 preparation method Methods 0.000 claims abstract description 14
- -1 hydroxy, amino Chemical group 0.000 claims description 89
- 125000000999 tert-butyl group Chemical group [H]C([H])([H])C(*)(C([H])([H])[H])C([H])([H])[H] 0.000 claims description 33
- 125000000753 cycloalkyl group Chemical group 0.000 claims description 32
- 125000000623 heterocyclic group Chemical group 0.000 claims description 28
- 125000000217 alkyl group Chemical group 0.000 claims description 26
- 239000003795 chemical substances by application Substances 0.000 claims description 25
- WMFOQBRAJBCJND-UHFFFAOYSA-M Lithium hydroxide Chemical compound [Li+].[OH-] WMFOQBRAJBCJND-UHFFFAOYSA-M 0.000 claims description 24
- 125000003178 carboxy group Chemical group [H]OC(*)=O 0.000 claims description 24
- JGFZNNIVVJXRND-UHFFFAOYSA-N N,N-Diisopropylethylamine (DIPEA) Chemical compound CCN(C(C)C)C(C)C JGFZNNIVVJXRND-UHFFFAOYSA-N 0.000 claims description 22
- ZMANZCXQSJIPKH-UHFFFAOYSA-N Triethylamine Chemical compound CCN(CC)CC ZMANZCXQSJIPKH-UHFFFAOYSA-N 0.000 claims description 21
- VEXZGXHMUGYJMC-UHFFFAOYSA-N Hydrochloric acid Chemical compound Cl VEXZGXHMUGYJMC-UHFFFAOYSA-N 0.000 claims description 20
- KWYUFKZDYYNOTN-UHFFFAOYSA-M Potassium hydroxide Chemical compound [OH-].[K+] KWYUFKZDYYNOTN-UHFFFAOYSA-M 0.000 claims description 18
- HEMHJVSKTPXQMS-UHFFFAOYSA-M Sodium hydroxide Chemical group [OH-].[Na+] HEMHJVSKTPXQMS-UHFFFAOYSA-M 0.000 claims description 18
- DTQVDTLACAAQTR-UHFFFAOYSA-N Trifluoroacetic acid Chemical compound OC(=O)C(F)(F)F DTQVDTLACAAQTR-UHFFFAOYSA-N 0.000 claims description 18
- 125000001072 heteroaryl group Chemical group 0.000 claims description 18
- 125000003118 aryl group Chemical group 0.000 claims description 17
- 125000003088 (fluoren-9-ylmethoxy)carbonyl group Chemical group 0.000 claims description 16
- UIIMBOGNXHQVGW-UHFFFAOYSA-M Sodium bicarbonate Chemical compound [Na+].OC([O-])=O UIIMBOGNXHQVGW-UHFFFAOYSA-M 0.000 claims description 16
- HPNMFZURTQLUMO-UHFFFAOYSA-N diethylamine Chemical compound CCNCC HPNMFZURTQLUMO-UHFFFAOYSA-N 0.000 claims description 16
- QOSSAOTZNIDXMA-UHFFFAOYSA-N Dicylcohexylcarbodiimide Chemical compound C1CCCCC1N=C=NC1CCCCC1 QOSSAOTZNIDXMA-UHFFFAOYSA-N 0.000 claims description 12
- CDBYLPFSWZWCQE-UHFFFAOYSA-L Sodium Carbonate Chemical compound [Na+].[Na+].[O-]C([O-])=O CDBYLPFSWZWCQE-UHFFFAOYSA-L 0.000 claims description 12
- BWHMMNNQKKPAPP-UHFFFAOYSA-L potassium carbonate Chemical compound [K+].[K+].[O-]C([O-])=O BWHMMNNQKKPAPP-UHFFFAOYSA-L 0.000 claims description 12
- 229910052757 nitrogen Inorganic materials 0.000 claims description 11
- 125000001424 substituent group Chemical group 0.000 claims description 11
- 125000004435 hydrogen atom Chemical group [H]* 0.000 claims description 10
- 125000003545 alkoxy group Chemical group 0.000 claims description 9
- 125000004093 cyano group Chemical group *C#N 0.000 claims description 9
- 125000002496 methyl group Chemical group [H]C([H])([H])* 0.000 claims description 9
- 125000000449 nitro group Chemical group [O-][N+](*)=O 0.000 claims description 9
- BDNKZNFMNDZQMI-UHFFFAOYSA-N 1,3-diisopropylcarbodiimide Chemical compound CC(C)N=C=NC(C)C BDNKZNFMNDZQMI-UHFFFAOYSA-N 0.000 claims description 8
- 125000003903 2-propenyl group Chemical group [H]C([*])([H])C([H])=C([H])[H] 0.000 claims description 8
- MZRVEZGGRBJDDB-UHFFFAOYSA-N N-Butyllithium Chemical compound [Li]CCCC MZRVEZGGRBJDDB-UHFFFAOYSA-N 0.000 claims description 8
- NBIIXXVUZAFLBC-UHFFFAOYSA-N Phosphoric acid Chemical compound OP(O)(O)=O NBIIXXVUZAFLBC-UHFFFAOYSA-N 0.000 claims description 8
- JUJWROOIHBZHMG-UHFFFAOYSA-N Pyridine Chemical compound C1=CC=NC=C1 JUJWROOIHBZHMG-UHFFFAOYSA-N 0.000 claims description 8
- QAOWNCQODCNURD-UHFFFAOYSA-N Sulfuric acid Chemical compound OS(O)(=O)=O QAOWNCQODCNURD-UHFFFAOYSA-N 0.000 claims description 8
- 230000002378 acidificating effect Effects 0.000 claims description 8
- 239000003153 chemical reaction reagent Substances 0.000 claims description 8
- 229910052736 halogen Inorganic materials 0.000 claims description 8
- 150000002367 halogens Chemical group 0.000 claims description 8
- 150000007529 inorganic bases Chemical class 0.000 claims description 8
- 150000007530 organic bases Chemical class 0.000 claims description 8
- 229910052760 oxygen Inorganic materials 0.000 claims description 8
- 125000002924 primary amino group Chemical group [H]N([H])* 0.000 claims description 8
- ASOKPJOREAFHNY-UHFFFAOYSA-N 1-Hydroxybenzotriazole Chemical compound C1=CC=C2N(O)N=NC2=C1 ASOKPJOREAFHNY-UHFFFAOYSA-N 0.000 claims description 7
- LJCZNYWLQZZIOS-UHFFFAOYSA-N 2,2,2-trichlorethoxycarbonyl chloride Chemical compound ClC(=O)OCC(Cl)(Cl)Cl LJCZNYWLQZZIOS-UHFFFAOYSA-N 0.000 claims description 7
- FPQQSJJWHUJYPU-UHFFFAOYSA-N 3-(dimethylamino)propyliminomethylidene-ethylazanium;chloride Chemical group Cl.CCN=C=NCCCN(C)C FPQQSJJWHUJYPU-UHFFFAOYSA-N 0.000 claims description 7
- RROBIDXNTUAHFW-UHFFFAOYSA-N benzotriazol-1-yloxy-tris(dimethylamino)phosphanium Chemical compound C1=CC=C2N(O[P+](N(C)C)(N(C)C)N(C)C)N=NC2=C1 RROBIDXNTUAHFW-UHFFFAOYSA-N 0.000 claims description 7
- 125000001736 nosyl group Chemical group S(=O)(=O)(C1=CC=C([N+](=O)[O-])C=C1)* 0.000 claims description 7
- 229910000030 sodium bicarbonate Inorganic materials 0.000 claims description 7
- 235000017557 sodium bicarbonate Nutrition 0.000 claims description 7
- 239000012964 benzotriazole Substances 0.000 claims description 6
- FJDQFPXHSGXQBY-UHFFFAOYSA-L caesium carbonate Chemical compound [Cs+].[Cs+].[O-]C([O-])=O FJDQFPXHSGXQBY-UHFFFAOYSA-L 0.000 claims description 6
- 229910000024 caesium carbonate Inorganic materials 0.000 claims description 6
- DWYMPOCYEZONEA-UHFFFAOYSA-L fluoridophosphate Chemical compound [O-]P([O-])(F)=O DWYMPOCYEZONEA-UHFFFAOYSA-L 0.000 claims description 6
- IXCSERBJSXMMFS-UHFFFAOYSA-N hydrogen chloride Substances Cl.Cl IXCSERBJSXMMFS-UHFFFAOYSA-N 0.000 claims description 6
- 229910000041 hydrogen chloride Inorganic materials 0.000 claims description 6
- 238000005984 hydrogenation reaction Methods 0.000 claims description 6
- 239000011736 potassium bicarbonate Substances 0.000 claims description 6
- 235000015497 potassium bicarbonate Nutrition 0.000 claims description 6
- 229910000028 potassium bicarbonate Inorganic materials 0.000 claims description 6
- 229910000027 potassium carbonate Inorganic materials 0.000 claims description 6
- 235000011181 potassium carbonates Nutrition 0.000 claims description 6
- TYJJADVDDVDEDZ-UHFFFAOYSA-M potassium hydrogencarbonate Chemical compound [K+].OC([O-])=O TYJJADVDDVDEDZ-UHFFFAOYSA-M 0.000 claims description 6
- 229940086066 potassium hydrogencarbonate Drugs 0.000 claims description 6
- 229910000029 sodium carbonate Inorganic materials 0.000 claims description 6
- 235000017550 sodium carbonate Nutrition 0.000 claims description 6
- 125000002088 tosyl group Chemical group [H]C1=C([H])C(=C([H])C([H])=C1C([H])([H])[H])S(*)(=O)=O 0.000 claims description 6
- WOJKKJKETHYEAC-UHFFFAOYSA-N 6-Maleimidocaproic acid Chemical compound OC(=O)CCCCCN1C(=O)C=CC1=O WOJKKJKETHYEAC-UHFFFAOYSA-N 0.000 claims description 5
- KEAYESYHFKHZAL-UHFFFAOYSA-N Sodium Chemical compound [Na] KEAYESYHFKHZAL-UHFFFAOYSA-N 0.000 claims description 5
- 239000012312 sodium hydride Substances 0.000 claims description 5
- 229910000104 sodium hydride Inorganic materials 0.000 claims description 5
- PXGOKWXKJXAPGV-UHFFFAOYSA-N Fluorine Chemical compound FF PXGOKWXKJXAPGV-UHFFFAOYSA-N 0.000 claims description 4
- GRYLNZFGIOXLOG-UHFFFAOYSA-N Nitric acid Chemical compound O[N+]([O-])=O GRYLNZFGIOXLOG-UHFFFAOYSA-N 0.000 claims description 4
- 150000001350 alkyl halides Chemical class 0.000 claims description 4
- 239000002168 alkylating agent Substances 0.000 claims description 4
- 229940100198 alkylating agent Drugs 0.000 claims description 4
- 229910000147 aluminium phosphate Inorganic materials 0.000 claims description 4
- QRUDEWIWKLJBPS-UHFFFAOYSA-N benzotriazole Chemical compound C1=CC=C2N[N][N]C2=C1 QRUDEWIWKLJBPS-UHFFFAOYSA-N 0.000 claims description 4
- 229910052731 fluorine Inorganic materials 0.000 claims description 4
- 239000011737 fluorine Substances 0.000 claims description 4
- 125000001188 haloalkyl group Chemical group 0.000 claims description 4
- 125000005843 halogen group Chemical group 0.000 claims description 4
- 125000002768 hydroxyalkyl group Chemical group 0.000 claims description 4
- 229910017604 nitric acid Inorganic materials 0.000 claims description 4
- LPNYRYFBWFDTMA-UHFFFAOYSA-N potassium tert-butoxide Chemical compound [K+].CC(C)(C)[O-] LPNYRYFBWFDTMA-UHFFFAOYSA-N 0.000 claims description 4
- UMJSCPRVCHMLSP-UHFFFAOYSA-N pyridine Natural products COC1=CC=CN=C1 UMJSCPRVCHMLSP-UHFFFAOYSA-N 0.000 claims description 4
- 229910052717 sulfur Inorganic materials 0.000 claims description 4
- JRMUNVKIHCOMHV-UHFFFAOYSA-M tetrabutylammonium bromide Chemical compound [Br-].CCCC[N+](CCCC)(CCCC)CCCC JRMUNVKIHCOMHV-UHFFFAOYSA-M 0.000 claims description 4
- JOXIMZWYDAKGHI-UHFFFAOYSA-N toluene-4-sulfonic acid Chemical compound CC1=CC=C(S(O)(=O)=O)C=C1 JOXIMZWYDAKGHI-UHFFFAOYSA-N 0.000 claims description 4
- DGAQECJNVWCQMB-PUAWFVPOSA-M Ilexoside XXIX Chemical compound C[C@@H]1CC[C@@]2(CC[C@@]3(C(=CC[C@H]4[C@]3(CC[C@@H]5[C@@]4(CC[C@@H](C5(C)C)OS(=O)(=O)[O-])C)C)[C@@H]2[C@]1(C)O)C)C(=O)O[C@H]6[C@@H]([C@H]([C@@H]([C@H](O6)CO)O)O)O.[Na+] DGAQECJNVWCQMB-PUAWFVPOSA-M 0.000 claims description 3
- 238000006114 decarboxylation reaction Methods 0.000 claims description 3
- 230000007062 hydrolysis Effects 0.000 claims description 3
- 238000006460 hydrolysis reaction Methods 0.000 claims description 3
- INQOMBQAUSQDDS-UHFFFAOYSA-N iodomethane Chemical compound IC INQOMBQAUSQDDS-UHFFFAOYSA-N 0.000 claims description 3
- 229910052708 sodium Inorganic materials 0.000 claims description 3
- 239000011734 sodium Substances 0.000 claims description 3
- WRIKHQLVHPKCJU-UHFFFAOYSA-N sodium bis(trimethylsilyl)amide Chemical compound C[Si](C)(C)N([Na])[Si](C)(C)C WRIKHQLVHPKCJU-UHFFFAOYSA-N 0.000 claims description 3
- 239000005711 Benzoic acid Substances 0.000 claims description 2
- WKBOTKDWSSQWDR-UHFFFAOYSA-N Bromine atom Chemical compound [Br] WKBOTKDWSSQWDR-UHFFFAOYSA-N 0.000 claims description 2
- ZAMOUSCENKQFHK-UHFFFAOYSA-N Chlorine atom Chemical compound [Cl] ZAMOUSCENKQFHK-UHFFFAOYSA-N 0.000 claims description 2
- 230000002152 alkylating effect Effects 0.000 claims description 2
- 230000002862 amidating effect Effects 0.000 claims description 2
- GDTBXPJZTBHREO-UHFFFAOYSA-N bromine Substances BrBr GDTBXPJZTBHREO-UHFFFAOYSA-N 0.000 claims description 2
- 229910052794 bromium Inorganic materials 0.000 claims description 2
- 239000000460 chlorine Substances 0.000 claims description 2
- 229910052801 chlorine Inorganic materials 0.000 claims description 2
- 230000009615 deamination Effects 0.000 claims description 2
- 238000006481 deamination reaction Methods 0.000 claims description 2
- IEJIGPNLZYLLBP-UHFFFAOYSA-N dimethyl carbonate Chemical compound COC(=O)OC IEJIGPNLZYLLBP-UHFFFAOYSA-N 0.000 claims description 2
- VAYGXNSJCAHWJZ-UHFFFAOYSA-N dimethyl sulfate Chemical compound COS(=O)(=O)OC VAYGXNSJCAHWJZ-UHFFFAOYSA-N 0.000 claims description 2
- 230000003301 hydrolyzing effect Effects 0.000 claims description 2
- PNDPGZBMCMUPRI-UHFFFAOYSA-N iodine Chemical compound II PNDPGZBMCMUPRI-UHFFFAOYSA-N 0.000 claims description 2
- JKRHDMPWBFBQDZ-UHFFFAOYSA-N n'-hexylmethanediimine Chemical compound CCCCCCN=C=N JKRHDMPWBFBQDZ-UHFFFAOYSA-N 0.000 claims description 2
- 235000015424 sodium Nutrition 0.000 claims description 2
- WVLBCYQITXONBZ-UHFFFAOYSA-N trimethyl phosphate Chemical compound COP(=O)(OC)OC WVLBCYQITXONBZ-UHFFFAOYSA-N 0.000 claims description 2
- 238000004519 manufacturing process Methods 0.000 claims 3
- QUSNBJAOOMFDIB-UHFFFAOYSA-N Ethylamine Chemical compound CCN QUSNBJAOOMFDIB-UHFFFAOYSA-N 0.000 claims 2
- XUPLLYWDRKEULX-UHFFFAOYSA-N 1-hydroxycyclohexa-2,4-diene-1-carboxylic acid;2h-triazole Chemical compound C1=CNN=N1.OC(=O)C1(O)CC=CC=C1 XUPLLYWDRKEULX-UHFFFAOYSA-N 0.000 claims 1
- 125000001273 sulfonato group Chemical class [O-]S(*)(=O)=O 0.000 claims 1
- 238000006243 chemical reaction Methods 0.000 abstract description 58
- 239000000543 intermediate Substances 0.000 abstract description 10
- 230000008901 benefit Effects 0.000 abstract description 7
- 230000002194 synthesizing effect Effects 0.000 abstract description 4
- 230000003287 optical effect Effects 0.000 abstract description 3
- 238000011031 large-scale manufacturing process Methods 0.000 abstract description 2
- 230000009435 amidation Effects 0.000 abstract 1
- YMWUJEATGCHHMB-UHFFFAOYSA-N Dichloromethane Chemical compound ClCCl YMWUJEATGCHHMB-UHFFFAOYSA-N 0.000 description 108
- XEKOWRVHYACXOJ-UHFFFAOYSA-N Ethyl acetate Chemical compound CCOC(C)=O XEKOWRVHYACXOJ-UHFFFAOYSA-N 0.000 description 91
- 239000000243 solution Substances 0.000 description 45
- 235000019439 ethyl acetate Nutrition 0.000 description 40
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Chemical compound O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 description 36
- 238000004949 mass spectrometry Methods 0.000 description 24
- ZMXDDKWLCZADIW-UHFFFAOYSA-N N,N-Dimethylformamide Chemical compound CN(C)C=O ZMXDDKWLCZADIW-UHFFFAOYSA-N 0.000 description 21
- 239000011541 reaction mixture Substances 0.000 description 19
- OKKJLVBELUTLKV-UHFFFAOYSA-N Methanol Chemical compound OC OKKJLVBELUTLKV-UHFFFAOYSA-N 0.000 description 18
- 239000000203 mixture Substances 0.000 description 16
- IJGRMHOSHXDMSA-UHFFFAOYSA-N Atomic nitrogen Chemical compound N#N IJGRMHOSHXDMSA-UHFFFAOYSA-N 0.000 description 13
- FAPWRFPIFSIZLT-UHFFFAOYSA-M Sodium chloride Chemical class [Na+].[Cl-] FAPWRFPIFSIZLT-UHFFFAOYSA-M 0.000 description 13
- 230000015572 biosynthetic process Effects 0.000 description 13
- 238000003786 synthesis reaction Methods 0.000 description 13
- PMZURENOXWZQFD-UHFFFAOYSA-L Sodium Sulfate Chemical compound [Na+].[Na+].[O-]S([O-])(=O)=O PMZURENOXWZQFD-UHFFFAOYSA-L 0.000 description 12
- 125000002619 bicyclic group Chemical group 0.000 description 12
- 125000005842 heteroatom Chemical group 0.000 description 12
- 239000012074 organic phase Substances 0.000 description 12
- 125000006413 ring segment Chemical group 0.000 description 12
- 239000012300 argon atmosphere Substances 0.000 description 11
- 239000013078 crystal Substances 0.000 description 11
- 229910052799 carbon Inorganic materials 0.000 description 10
- 125000003367 polycyclic group Chemical group 0.000 description 10
- 239000007858 starting material Substances 0.000 description 10
- 125000004432 carbon atom Chemical group C* 0.000 description 9
- 239000007787 solid Substances 0.000 description 9
- MHAJPDPJQMAIIY-UHFFFAOYSA-N Hydrogen peroxide Chemical compound OO MHAJPDPJQMAIIY-UHFFFAOYSA-N 0.000 description 7
- 238000005481 NMR spectroscopy Methods 0.000 description 7
- 125000002887 hydroxy group Chemical group [H]O* 0.000 description 7
- 238000004809 thin layer chromatography Methods 0.000 description 7
- WEVYAHXRMPXWCK-UHFFFAOYSA-N Acetonitrile Chemical compound CC#N WEVYAHXRMPXWCK-UHFFFAOYSA-N 0.000 description 6
- CSNNHWWHGAXBCP-UHFFFAOYSA-L Magnesium sulfate Chemical compound [Mg+2].[O-][S+2]([O-])([O-])[O-] CSNNHWWHGAXBCP-UHFFFAOYSA-L 0.000 description 6
- VYPSYNLAJGMNEJ-UHFFFAOYSA-N Silicium dioxide Chemical compound O=[Si]=O VYPSYNLAJGMNEJ-UHFFFAOYSA-N 0.000 description 6
- WYURNTSHIVDZCO-UHFFFAOYSA-N Tetrahydrofuran Chemical compound C1CCOC1 WYURNTSHIVDZCO-UHFFFAOYSA-N 0.000 description 6
- 150000007942 carboxylates Chemical group 0.000 description 6
- 239000001257 hydrogen Substances 0.000 description 6
- 229910052739 hydrogen Inorganic materials 0.000 description 6
- 239000011259 mixed solution Substances 0.000 description 6
- 239000000047 product Substances 0.000 description 6
- 239000000741 silica gel Substances 0.000 description 6
- 229910002027 silica gel Inorganic materials 0.000 description 6
- RYHBNJHYFVUHQT-UHFFFAOYSA-N 1,4-Dioxane Chemical compound C1COCCO1 RYHBNJHYFVUHQT-UHFFFAOYSA-N 0.000 description 5
- 125000003342 alkenyl group Chemical group 0.000 description 5
- 125000003282 alkyl amino group Chemical group 0.000 description 5
- 125000000304 alkynyl group Chemical group 0.000 description 5
- QVGXLLKOCUKJST-UHFFFAOYSA-N atomic oxygen Chemical compound [O] QVGXLLKOCUKJST-UHFFFAOYSA-N 0.000 description 5
- 125000005366 cycloalkylthio group Chemical group 0.000 description 5
- 125000003983 fluorenyl group Chemical group C1(=CC=CC=2C3=CC=CC=C3CC12)* 0.000 description 5
- 125000000592 heterocycloalkyl group Chemical group 0.000 description 5
- 239000010410 layer Substances 0.000 description 5
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- 239000000126 substance Substances 0.000 description 5
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- NLXLAEXVIDQMFP-UHFFFAOYSA-N Ammonia chloride Chemical compound [NH4+].[Cl-] NLXLAEXVIDQMFP-UHFFFAOYSA-N 0.000 description 4
- UHOVQNZJYSORNB-UHFFFAOYSA-N Benzene Chemical compound C1=CC=CC=C1 UHOVQNZJYSORNB-UHFFFAOYSA-N 0.000 description 4
- OKTJSMMVPCPJKN-UHFFFAOYSA-N Carbon Chemical compound [C] OKTJSMMVPCPJKN-UHFFFAOYSA-N 0.000 description 4
- UFHFLCQGNIYNRP-UHFFFAOYSA-N Hydrogen Chemical compound [H][H] UFHFLCQGNIYNRP-UHFFFAOYSA-N 0.000 description 4
- 125000004414 alkyl thio group Chemical group 0.000 description 4
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- 125000004429 atom Chemical group 0.000 description 4
- 239000000470 constituent Substances 0.000 description 4
- 125000000000 cycloalkoxy group Chemical group 0.000 description 4
- VLKZOEOYAKHREP-UHFFFAOYSA-N n-Hexane Chemical compound CCCCCC VLKZOEOYAKHREP-UHFFFAOYSA-N 0.000 description 4
- 125000004043 oxo group Chemical group O=* 0.000 description 4
- GEHJYWRUCIMESM-UHFFFAOYSA-L sodium sulfite Chemical compound [Na+].[Na+].[O-]S([O-])=O GEHJYWRUCIMESM-UHFFFAOYSA-L 0.000 description 4
- 238000003756 stirring Methods 0.000 description 4
- 239000000758 substrate Substances 0.000 description 4
- 125000000335 thiazolyl group Chemical group 0.000 description 4
- CVKMFSAVYPAZTQ-UHFFFAOYSA-N 2-methylhexanoic acid Chemical compound CCCCC(C)C(O)=O CVKMFSAVYPAZTQ-UHFFFAOYSA-N 0.000 description 3
- QTBSBXVTEAMEQO-UHFFFAOYSA-N Acetic acid Chemical compound CC(O)=O QTBSBXVTEAMEQO-UHFFFAOYSA-N 0.000 description 3
- NQRYJNQNLNOLGT-UHFFFAOYSA-N Piperidine Chemical compound C1CCNCC1 NQRYJNQNLNOLGT-UHFFFAOYSA-N 0.000 description 3
- 229910020008 S(O) Inorganic materials 0.000 description 3
- 150000001335 aliphatic alkanes Chemical class 0.000 description 3
- 150000001721 carbon Chemical group 0.000 description 3
- 239000012043 crude product Substances 0.000 description 3
- 229940127089 cytotoxic agent Drugs 0.000 description 3
- 239000002254 cytotoxic agent Substances 0.000 description 3
- 238000001035 drying Methods 0.000 description 3
- OJCSPXHYDFONPU-UHFFFAOYSA-N etoac etoac Chemical compound CCOC(C)=O.CCOC(C)=O OJCSPXHYDFONPU-UHFFFAOYSA-N 0.000 description 3
- 239000000706 filtrate Substances 0.000 description 3
- 238000001914 filtration Methods 0.000 description 3
- 229910052943 magnesium sulfate Inorganic materials 0.000 description 3
- 235000019341 magnesium sulphate Nutrition 0.000 description 3
- 125000002950 monocyclic group Chemical group 0.000 description 3
- 238000000746 purification Methods 0.000 description 3
- 239000002904 solvent Substances 0.000 description 3
- 125000000475 sulfinyl group Chemical group [*:2]S([*:1])=O 0.000 description 3
- 108700012359 toxins Proteins 0.000 description 3
- GJDBULWKYSXYHY-WTPMCQDGSA-N (2R,3R)-3-methoxy-2-methyl-3-[(1S,3S,5S)-2-[(2-methylpropan-2-yl)oxycarbonyl]-2-azabicyclo[3.1.0]hexan-3-yl]propanoic acid Chemical compound C(C)(C)(C)OC(=O)N1[C@H]2C[C@H]2C[C@H]1[C@@H]([C@H](C(=O)O)C)OC GJDBULWKYSXYHY-WTPMCQDGSA-N 0.000 description 2
- ZMRFZBKROHCLIL-BXKDBHETSA-N (4r,5s)-4-methyl-5-phenyl-3-propanoyl-1,3-oxazolidin-2-one Chemical compound O1C(=O)N(C(=O)CC)[C@H](C)[C@@H]1C1=CC=CC=C1 ZMRFZBKROHCLIL-BXKDBHETSA-N 0.000 description 2
- 125000005918 1,2-dimethylbutyl group Chemical group 0.000 description 2
- GJFNRSDCSTVPCJ-UHFFFAOYSA-N 1,8-bis(dimethylamino)naphthalene Chemical compound C1=CC(N(C)C)=C2C(N(C)C)=CC=CC2=C1 GJFNRSDCSTVPCJ-UHFFFAOYSA-N 0.000 description 2
- SCVJRXQHFJXZFZ-KVQBGUIXSA-N 2-amino-9-[(2r,4s,5r)-4-hydroxy-5-(hydroxymethyl)oxolan-2-yl]-3h-purine-6-thione Chemical compound C1=2NC(N)=NC(=S)C=2N=CN1[C@H]1C[C@H](O)[C@@H](CO)O1 SCVJRXQHFJXZFZ-KVQBGUIXSA-N 0.000 description 2
- 125000006176 2-ethylbutyl group Chemical group [H]C([H])([H])C([H])([H])C([H])(C([H])([H])*)C([H])([H])C([H])([H])[H] 0.000 description 2
- NYCRCTMDYITATC-UHFFFAOYSA-N 2-fluorophenylalanine Chemical compound OC(=O)C(N)CC1=CC=CC=C1F NYCRCTMDYITATC-UHFFFAOYSA-N 0.000 description 2
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- 229910052786 argon Inorganic materials 0.000 description 1
- 239000012298 atmosphere Substances 0.000 description 1
- AGEZXYOZHKGVCM-UHFFFAOYSA-N benzyl bromide Chemical compound BrCC1=CC=CC=C1 AGEZXYOZHKGVCM-UHFFFAOYSA-N 0.000 description 1
- 125000001797 benzyl group Chemical group [H]C1=C([H])C([H])=C(C([H])=C1[H])C([H])([H])* 0.000 description 1
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- 125000001246 bromo group Chemical group Br* 0.000 description 1
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- 201000011510 cancer Diseases 0.000 description 1
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- 238000006555 catalytic reaction Methods 0.000 description 1
- PBAYDYUZOSNJGU-UHFFFAOYSA-N chelidonic acid Natural products OC(=O)C1=CC(=O)C=C(C(O)=O)O1 PBAYDYUZOSNJGU-UHFFFAOYSA-N 0.000 description 1
- 239000007795 chemical reaction product Substances 0.000 description 1
- 238000004296 chiral HPLC Methods 0.000 description 1
- 125000001309 chloro group Chemical group Cl* 0.000 description 1
- 125000001995 cyclobutyl group Chemical group [H]C1([H])C([H])([H])C([H])(*)C1([H])[H] 0.000 description 1
- CHVJITGCYZJHLR-UHFFFAOYSA-N cyclohepta-1,3,5-triene Chemical compound C1C=CC=CC=C1 CHVJITGCYZJHLR-UHFFFAOYSA-N 0.000 description 1
- 125000000582 cycloheptyl group Chemical group [H]C1([H])C([H])([H])C([H])([H])C([H])([H])C([H])(*)C([H])([H])C1([H])[H] 0.000 description 1
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- 125000000596 cyclohexenyl group Chemical group C1(=CCCCC1)* 0.000 description 1
- 125000000113 cyclohexyl group Chemical group [H]C1([H])C([H])([H])C([H])([H])C([H])(*)C([H])([H])C1([H])[H] 0.000 description 1
- 125000002433 cyclopentenyl group Chemical group C1(=CCCC1)* 0.000 description 1
- 125000001511 cyclopentyl group Chemical group [H]C1([H])C([H])([H])C([H])([H])C([H])(*)C1([H])[H] 0.000 description 1
- 125000001559 cyclopropyl group Chemical group [H]C1([H])C([H])([H])C1([H])* 0.000 description 1
- 125000002704 decyl group Chemical group [H]C([H])([H])C([H])([H])C([H])([H])C([H])([H])C([H])([H])C([H])([H])C([H])([H])C([H])([H])C([H])([H])C([H])([H])* 0.000 description 1
- 125000004852 dihydrofuranyl group Chemical group O1C(CC=C1)* 0.000 description 1
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- 238000005259 measurement Methods 0.000 description 1
- UKVIEHSSVKSQBA-UHFFFAOYSA-N methane;palladium Chemical compound C.[Pd] UKVIEHSSVKSQBA-UHFFFAOYSA-N 0.000 description 1
- 230000011987 methylation Effects 0.000 description 1
- 238000007069 methylation reaction Methods 0.000 description 1
- UIUXUFNYAYAMOE-UHFFFAOYSA-N methylsilane Chemical compound [SiH3]C UIUXUFNYAYAMOE-UHFFFAOYSA-N 0.000 description 1
- 239000012046 mixed solvent Substances 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 239000002808 molecular sieve Substances 0.000 description 1
- 238000012544 monitoring process Methods 0.000 description 1
- 125000002911 monocyclic heterocycle group Chemical group 0.000 description 1
- 125000003136 n-heptyl group Chemical group [H]C([H])([H])C([H])([H])C([H])([H])C([H])([H])C([H])([H])C([H])([H])C([H])([H])* 0.000 description 1
- 125000001624 naphthyl group Chemical group 0.000 description 1
- 238000005580 one pot reaction Methods 0.000 description 1
- 125000001820 oxy group Chemical group [*:1]O[*:2] 0.000 description 1
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- 239000003208 petroleum Substances 0.000 description 1
- 239000008194 pharmaceutical composition Substances 0.000 description 1
- 125000001997 phenyl group Chemical group [H]C1=C([H])C([H])=C(*)C([H])=C1[H] 0.000 description 1
- UYWQUFXKFGHYNT-UHFFFAOYSA-N phenylmethyl ester of formic acid Natural products O=COCC1=CC=CC=C1 UYWQUFXKFGHYNT-UHFFFAOYSA-N 0.000 description 1
- XYFCBTPGUUZFHI-UHFFFAOYSA-O phosphonium Chemical compound [PH4+] XYFCBTPGUUZFHI-UHFFFAOYSA-O 0.000 description 1
- 102000020233 phosphotransferase Human genes 0.000 description 1
- 125000004193 piperazinyl group Chemical group 0.000 description 1
- 125000005592 polycycloalkyl group Polymers 0.000 description 1
- 239000000843 powder Substances 0.000 description 1
- 238000000039 preparative column chromatography Methods 0.000 description 1
- 125000003373 pyrazinyl group Chemical group 0.000 description 1
- 125000000168 pyrrolyl group Chemical group 0.000 description 1
- 238000000926 separation method Methods 0.000 description 1
- FZHAPNGMFPVSLP-UHFFFAOYSA-N silanamine Chemical compound [SiH3]N FZHAPNGMFPVSLP-UHFFFAOYSA-N 0.000 description 1
- URGAHOPLAPQHLN-UHFFFAOYSA-N sodium aluminosilicate Chemical compound [Na+].[Al+3].[O-][Si]([O-])=O.[O-][Si]([O-])=O URGAHOPLAPQHLN-UHFFFAOYSA-N 0.000 description 1
- 239000011780 sodium chloride Substances 0.000 description 1
- APSBXTVYXVQYAB-UHFFFAOYSA-M sodium docusate Chemical compound [Na+].CCCCC(CC)COC(=O)CC(S([O-])(=O)=O)C(=O)OCC(CC)CCCC APSBXTVYXVQYAB-UHFFFAOYSA-M 0.000 description 1
- 229910052938 sodium sulfate Inorganic materials 0.000 description 1
- 235000011152 sodium sulphate Nutrition 0.000 description 1
- POECFFCNUXZPJT-UHFFFAOYSA-M sodium;carbonic acid;hydrogen carbonate Chemical compound [Na+].OC(O)=O.OC([O-])=O POECFFCNUXZPJT-UHFFFAOYSA-M 0.000 description 1
- 238000013517 stratification Methods 0.000 description 1
- 238000006467 substitution reaction Methods 0.000 description 1
- 150000003871 sulfonates Chemical class 0.000 description 1
- 239000011593 sulfur Substances 0.000 description 1
- WMOVHXAZOJBABW-UHFFFAOYSA-N tert-butyl acetate Chemical compound CC(=O)OC(C)(C)C WMOVHXAZOJBABW-UHFFFAOYSA-N 0.000 description 1
- 125000003718 tetrahydrofuranyl group Chemical group 0.000 description 1
- 125000001712 tetrahydronaphthyl group Chemical group C1(CCCC2=CC=CC=C12)* 0.000 description 1
- 125000003507 tetrahydrothiofenyl group Chemical group 0.000 description 1
- 125000003831 tetrazolyl group Chemical group 0.000 description 1
- VLLMWSRANPNYQX-UHFFFAOYSA-N thiadiazole Chemical compound C1=CSN=N1.C1=CSN=N1 VLLMWSRANPNYQX-UHFFFAOYSA-N 0.000 description 1
- 125000001544 thienyl group Chemical group 0.000 description 1
- 125000004568 thiomorpholinyl group Chemical group 0.000 description 1
- FTVLMFQEYACZNP-UHFFFAOYSA-N trimethylsilyl trifluoromethanesulfonate Chemical compound C[Si](C)(C)OS(=O)(=O)C(F)(F)F FTVLMFQEYACZNP-UHFFFAOYSA-N 0.000 description 1
- 238000005406 washing Methods 0.000 description 1
- 239000003643 water by type Substances 0.000 description 1
Classifications
-
- C—CHEMISTRY; METALLURGY
- C07—ORGANIC CHEMISTRY
- C07D—HETEROCYCLIC COMPOUNDS
- C07D209/00—Heterocyclic compounds containing five-membered rings, condensed with other rings, with one nitrogen atom as the only ring hetero atom
- C07D209/02—Heterocyclic compounds containing five-membered rings, condensed with other rings, with one nitrogen atom as the only ring hetero atom condensed with one carbocyclic ring
-
- C—CHEMISTRY; METALLURGY
- C07—ORGANIC CHEMISTRY
- C07D—HETEROCYCLIC COMPOUNDS
- C07D209/00—Heterocyclic compounds containing five-membered rings, condensed with other rings, with one nitrogen atom as the only ring hetero atom
- C07D209/56—Ring systems containing three or more rings
- C07D209/80—[b, c]- or [b, d]-condensed
- C07D209/94—[b, c]- or [b, d]-condensed containing carbocyclic rings other than six-membered
-
- C—CHEMISTRY; METALLURGY
- C07—ORGANIC CHEMISTRY
- C07D—HETEROCYCLIC COMPOUNDS
- C07D403/00—Heterocyclic compounds containing two or more hetero rings, having nitrogen atoms as the only ring hetero atoms, not provided for by group C07D401/00
- C07D403/02—Heterocyclic compounds containing two or more hetero rings, having nitrogen atoms as the only ring hetero atoms, not provided for by group C07D401/00 containing two hetero rings
- C07D403/12—Heterocyclic compounds containing two or more hetero rings, having nitrogen atoms as the only ring hetero atoms, not provided for by group C07D401/00 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
- A61K35/00—Medicinal preparations containing materials or reaction products thereof with undetermined constitution
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- Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
- Y02—TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
- Y02P—CLIMATE CHANGE MITIGATION TECHNOLOGIES IN THE PRODUCTION OR PROCESSING OF GOODS
- Y02P20/00—Technologies relating to chemical industry
- Y02P20/50—Improvements relating to the production of bulk chemicals
- Y02P20/55—Design of synthesis routes, e.g. reducing the use of auxiliary or protecting groups
Definitions
- the invention relates to a method for preparing a new toxin and an intermediate thereof.
- the inventors in WO 2016/127790 are directed to a novel class of ligand-cytotoxic drug conjugates, and the ligand-cytotoxic drug conjugates and pharmaceutical compositions containing the same are used in the preparation of a medicament for the treatment of cancer by receptor modulation
- the use in the above has a good effect, and the compound represented by the formula (I) of the present invention is an important intermediate in the synthesis of such a ligand-cytotoxic drug conjugate.
- the inventors adopt the above synthetic Fmoc-Dolaproine (Fmoc-Dap) synthesis method, and can obtain a higher yield under the premise of the original substrate.
- Fmoc-Dap Fmoc-Dolaproine
- the yield of the target product is low and a large amount of racemate is produced, so that a large amount of the synthesis of the formula (I) is synthesized by the existing synthesis method.
- There are still many difficulties and disadvantages in the compound and it is necessary to develop a method which is high in yield and suitable for large-scale synthesis of the compound represented by the general formula (I).
- the present invention provides a novel route for the synthesis of the compound of the formula (I), which comprises a chiral compound of the formula (III)
- the compound of the formula (I) is obtained through a series of upper protecting groups, deprotecting groups and amidation reactions.
- the method overcomes the limitation of the prior art on the substrate, has the advantages of mild reaction conditions, simple operation, high optical purity and high synthesis yield, and is suitable for large-scale production.
- the present invention relates to a compound of the formula (III),
- A is a 3-8 membered ring, preferably a 3 membered ring;
- R 1 is a hydrogen atom or an amino protecting group, preferably Boc, Fmoc, Alloc, Troc, Teoc, CBz, Tosyl, Nosyl and t-Bu;
- R 2 is a hydrogen atom or a carboxy protecting group, preferably DMB, Bn, Allyl, PfP, Me, PMB, MEM and t-Bu.
- the present invention also relates to a process for producing a compound of the formula (III) as described above, which comprises a chiral compound of the formula (II) containing a chiral auxiliary group (R 3 ) in a base. a step of hydrolyzing or optionally further a carboxy protecting group to obtain a compound of the formula (III),
- the chiral auxiliary group (R 3 ) is selected from the group consisting of:
- X is S or O
- the alkaline agent is preferably sodium hydroxide, potassium hydroxide, sodium hydride, sodium carbonate, sodium hydrogencarbonate, potassium carbonate, potassium hydrogencarbonate, cesium carbonate or lithium hydroxide, more preferably lithium hydroxide;
- R 1 to R 2 are as defined in the formula (III).
- the present invention also relates to a compound of the formula (IV),
- A is a 3-8 membered ring, preferably a 3 membered ring;
- R 1 is a hydrogen atom or an amino protecting group, preferably Boc, Fmoc, Alloc, Troc, CBz, Teoc, Tosyl, Nosyl and t-Bu;
- R 2 is a carboxy protecting group, preferably DMB, Bn, Allyl, PfP, Me, PMB, MEM and t-Bu;
- R x is selected from the group consisting of alkyl and cycloalkyl, wherein said alkyl and cycloalkyl are each independently selected from alkyl, haloalkyl, halo, hydroxy, amino, nitro, cyano, alkoxy. Substituted by one or more substituents of a hydroxyalkyl group, a cycloalkyl group, a heterocyclic group, an aryl group and a heteroaryl group; a methyl group is preferred.
- the present invention also relates to a process for producing a compound of the formula (IV) as described above, which is obtained by reacting a compound of the formula (III) with an alkylating agent to form a compound of the formula (IV) The steps of the compound shown,
- the alkylating agent is selected from the group consisting of alkyl halides, dimethyl sulfate, dimethyl carbonate, sulfonate esters, trimethyl phosphate and Me 3 + BF 4 - ; preferably methyl iodide and Me 3 + BF 4 - ;
- R 1 , R 2 and R x are as defined in the formula (IV).
- the present invention also relates to a process for the preparation of a compound of the formula (V) as described in the above formula (IV), characterized in that it is obtained by decarboxylation of a compound represented by the formula (IV). a step of producing a compound represented by the general formula (V),
- R 1 , R 2 and R x are as defined in the formula (IV).
- the present invention also relates to a method of producing a compound of the above (V) as described above, which further comprises the step of preparing a compound of the formula (IV),
- R 1 , R 2 and R x are as defined in the formula (IV).
- the present invention also relates to a process for the preparation of a compound of the formula (V) as described above, which further comprises the steps of preparing a compound of the formula (III),
- R 1 , R 2 and R x are as defined in the formula (IV).
- the present invention also relates to a process for the preparation of a compound of the formula (I),
- n 1, 2, 3, 4 or 5;
- the method comprises the hydrolysis of a chiral compound of the formula (II) containing a chiral auxiliary group (R 3 ) under basic conditions or optionally further a carboxy protecting group to give a formula (III) a step of showing a compound; a step of alkylating a compound of the formula (III) with an alkyl halide to form a compound of the formula (IV), wherein the compound of the formula (IV) is decarboxylated to give a formula ( V) a compound; and a step of reacting a compound represented by the formula (V) to form a compound of the formula (I);
- A is a 3-8 membered ring, preferably a 3 membered ring;
- R is halogen, preferably fluorine, chlorine, bromine or iodine, most preferably fluorine;
- R 1 is an amino protecting group, preferably Boc, Fmoc, Alloc, Troc, CBz, Teoc, Tosyl, Nosyl and t-Bu;
- R 2 is a carboxy protecting group, preferably DMB, Bn, Allyl, PfP, Me, PMB, MEM and t-Bu;
- R x is selected from the group consisting of alkyl and cycloalkyl, wherein said alkyl and cycloalkyl are each independently selected from alkyl, haloalkyl, halo, hydroxy, amino, nitro, cyano, alkoxy. Substituting one or more substituents of a hydroxyalkyl group, a cycloalkyl group, a heterocyclic group, an aryl group and a heteroaryl group; preferably R x is a methyl group;
- n 1, 2, 3, 4 or 5.
- the present invention also relates to a process for producing a compound of the formula (I) as described above, which further comprises deamination protection of the compound of the formula (V) to give a compound of the formula (VI) A step of,
- R 1 and R x are as defined in the formula (I).
- the present invention also relates to a process for producing a compound of the formula (I) as described above, which further comprises the Fmoc protecting group on the compound of the formula (VI) to give the formula (VIII) Compound step,
- a and R x are as defined in the formula (I).
- the present invention also relates to a process for producing the compound of the formula (I), which further comprises the step of further obtaining a carboxy protecting group represented by the formula (X). a compound obtained by removing the compound represented by the formula (X) to obtain a compound represented by the formula (XI),
- R 4 is a carboxy protecting group, preferably DMB;
- R and n are as defined in the formula (I).
- the present invention also relates to a process for producing the compound of the formula (I), which further comprises the step of further reacting a compound of the formula (VIII) with a compound of the formula (XI). Amidation reaction occurs under the action of a condensing agent to obtain a compound represented by the formula (XII).
- the condensing agent is preferably 1-(3-dimethylaminopropyl)-3-ethylcarbodiimide hydrochloride, N,N'-dicyclohexylcarbodiimide, N,N'- Diisopropylcarbodiimide, O-benzotriazole-N,N,N',N'-tetramethyluronium tetrafluoroborate, 1-hydroxybenzotriazole, 1-hydroxy- 7-azobenzotriazole, O-benzotriazole -N,N,N',N'-tetramethyluron hexafluorophosphate, 2-(7-azobenzotriazole)-N,N,N',N'-tetramethyluronium hexafluorophosphate Ester, benzotriazol-1-yloxytris(dimethylamino)phosphonium hexafluorophosphate or benzotriazol-1-yl-oxytripyrroli
- R, R 4 , R x and n are as defined in the formula (I).
- the invention further relates to a process for the preparation of the compound of the formula (I), characterized in that it further comprises the steps of:
- a compound represented by the formula (XII) is subjected to removal of a Fmoc protecting group under basic conditions to give a compound of the formula (I-E);
- R 4 is a carboxy protecting group, preferably DMB
- R, R x and n are as defined in the general formula (I).
- the invention also relates to a process for the preparation of the compound of the formula (I), wherein the step 1) Or the reagent of the alkaline condition in the step 3) includes an organic base and an inorganic base, and the organic base is preferably triethylamine, diethylamine, N,N-diisopropylethylamine, pyridine or hexamethyl.
- Sodium silylamine, n-butyllithium, potassium t-butoxide or tetrabutylammonium bromide the inorganic bases being preferably lithium hydroxide, sodium hydroxide, potassium hydroxide, sodium hydride, sodium carbonate, carbonic acid Sodium hydrogencarbonate, potassium carbonate, potassium hydrogencarbonate or cesium carbonate, more preferably diethylamine.
- the present invention also relates to a process for the preparation of the compound of the formula (I), wherein the condensing agent in the step 2) or the step 4) is preferably 1-(3-dimethylaminopropyl)-3-B.
- the present invention also relates to a process for the preparation of the compound of the formula (I), wherein the reagent of the acidic condition in the step 5) is preferably a hydrogen chloride solution, hydrochloric acid, nitric acid, phosphoric acid, p-toluenesulfonic acid, Me 3 SiCl, TMSOT f , trifluoroacetic acid or sulfuric acid, more preferably trifluoroacetic acid.
- the reagent of the acidic condition in the step 5 is preferably a hydrogen chloride solution, hydrochloric acid, nitric acid, phosphoric acid, p-toluenesulfonic acid, Me 3 SiCl, TMSOT f , trifluoroacetic acid or sulfuric acid, more preferably trifluoroacetic acid.
- the present invention also relates to a process for producing the compound of the above formula (I), which further comprises the action of the compound represented by the formula (V) and the compound of the formula (XI) in a condensing agent. a step of obtaining an amidation reaction to obtain a compound represented by the formula (VII);
- the condensing agent is preferably 1-(3-dimethylaminopropyl)-3-ethylcarbodiimide hydrochloride, N,N'-dicyclohexylcarbodiimide, N,N'-diiso Propylcarbodiimide, O-benzotriazole-N,N,N',N'-tetramethyluronium tetrafluoroborate, 1-hydroxybenzotriazole, 1-hydroxy-7- Azobenzotriazole, O-benzotriazole-N,N,N',N'-tetramethyluron hexafluorophosphate, 2-(7-azobenzotriazole)-N, N,N',N'-tetramethylurea hexafluorophosphate, benzotriazol-1-yloxytris(dimethylamino)phosphonium hexafluorophosphate or benzotriazole hexafluorophosphate- 1-yl-oxy
- R 1 , R, R 4 , R x and n are as defined in the formula (I).
- the invention further relates to a process for the preparation of the compound of the formula (I), characterized in that it further comprises the steps of:
- the condensing agent in the step 1), the step 3) or the step 5) is preferably 1-(3-dimethylaminopropyl)-3-ethylcarbodiimide hydrochloride, N,N'-bicyclic ring.
- the reagent of the alkaline condition in the step 2) or the step 4) includes an organic base and an inorganic base, and the organic base is preferably triethylamine, diethylamine or N,N-diisopropylethylamine. , pyridine, sodium hexamethyldisilazide, n-butyl lithium, potassium t-butoxide or tetrabutylammonium bromide, the inorganic base is preferably lithium hydroxide, sodium hydroxide, potassium hydroxide, hydrogenation Sodium, sodium carbonate, sodium hydrogencarbonate, potassium carbonate, potassium hydrogencarbonate or cesium carbonate, more preferably diethylamine;
- the reagent of the acidic condition in the step 6) is preferably a hydrogen chloride solution, hydrochloric acid, nitric acid, phosphoric acid, p-benzoic acid, Me 3 SiCl, TMSOT f , trifluoroacetic acid or sulfuric acid, more preferably trifluoroacetic acid;
- R 4 is a carboxy protecting group, preferably DMB
- R 1 , R, R x and n are as defined in the formula (I).
- the step of preparing the compound of the formula (VIII) in the present invention can be carried out by a one-pot method, and the compound represented by the formula (IV) can be obtained by the above Fmoc protecting group after decarboxylation and amino protecting group. a step of the compound shown in VIII);
- R 1 , R 2 and R x are as defined in the formula (I).
- the preparation method of the novel toxin represented by the general formula (I) according to the invention has the characteristics of simple operation, mild reaction condition, high optical purity, high synthesis efficiency, high synthesis yield, suitable for industrial production, and has significant social benefits. And economic benefits.
- ring A has the same structure and is selected from a 3-8 membered ring, preferably a 3-membered ring; in particular, wherein the ring is a cycloalkyl group ring.
- alkyl refers to a saturated aliphatic hydrocarbon group which is a straight or branched chain group containing from 1 to 20 carbon atoms, preferably an alkyl group having from 1 to 12 carbon atoms, more preferably from 1 to 6 carbons.
- the alkyl group of the atom is a saturated aliphatic hydrocarbon group which is a straight or branched chain group containing from 1 to 20 carbon atoms, preferably an alkyl group having from 1 to 12 carbon atoms, more preferably from 1 to 6 carbons.
- Non-limiting examples include methyl, ethyl, n-propyl, isopropyl, n-butyl, isobutyl, tert-butyl, sec-butyl, n-pentyl, 1,1-dimethylpropyl, 1 ,2-dimethylpropyl, 2,2-dimethylpropyl, 1-ethylpropyl, 2-methylbutyl, 3-methylbutyl, n-hexyl, 1-ethyl-2- Methylpropyl, 1,1,2-trimethylpropyl, 1,1-dimethylbutyl, 1,2-dimethylbutyl, 2,2-dimethylbutyl, 1,3 - dimethylbutyl, 2-ethylbutyl, 2-methylpentyl, 3-methylpentyl, 4-methylpentyl, 2,3-dimethylbutyl, n-heptyl, 2 -methylhexyl, 3-methylhexyl, 4-methylhexyl,
- lower alkyl groups having from 1 to 6 carbon atoms, non-limiting examples including methyl, ethyl, n-propyl, isopropyl, n-butyl, isobutyl, tert-butyl, sec-butyl Base, n-pentyl, 1,1-dimethylpropyl, 1,2-dimethylpropyl, 2,2-dimethylpropyl, 1-ethylpropyl, 2-methylbutyl, 3-methylbutyl, n-hexyl, 1-ethyl-2-methylpropyl, 1,1,2-trimethylpropyl, 1,1-dimethylbutyl, 1,2-dimethyl Butyl, 2,2-dimethylbutyl, 1,3-dimethylbutyl, 2-ethylbutyl, 2-methylpentyl, 3-methylpentyl, 4-methylpentyl Base, 2,3-dimethylbutyl and the like.
- the alkyl group may be substituted or unsubstituted, and when substituted, the substituent may be substituted at any available point of attachment, preferably one or more of the following groups independently selected from the group consisting of an alkane Base, alkenyl, alkynyl, alkoxy, alkylthio, alkylamino, halogen, fluorenyl, hydroxy, nitro, cyano, cycloalkyl, heterocycloalkyl, aryl, heteroaryl, naphthenic An oxy group, a heterocycloalkoxy group, a cycloalkylthio group, a heterocycloalkylthio group, an oxo group, a carboxyl group or a carboxylate group.
- an alkane Base alkenyl, alkynyl, alkoxy, alkylthio, alkylamino, halogen, fluorenyl, hydroxy, nitro, cyano, cycloalkyl, hetero
- cycloalkyl refers to a saturated or partially unsaturated monocyclic or polycyclic cyclic hydrocarbon substituent containing from 3 to 20 carbon atoms, preferably from 3 to 12 carbon atoms, more preferably from 3 to 6 carbon atoms. One carbon atom.
- Non-limiting examples of monocyclic cycloalkyl groups include cyclopropyl, cyclobutyl, cyclopentyl, cyclopentenyl, cyclohexyl, cyclohexenyl, cyclohexadienyl, cycloheptyl, cycloheptatriene
- a polycycloalkyl group includes a spiro ring, a fused ring, and a cycloalkyl group.
- spirocycloalkyl refers to a polycyclic group that shares a carbon atom (referred to as a spiro atom) between 5 to 20 members of a single ring, which may contain one or more double bonds, but none of the rings have a fully conjugated ⁇ electronic system. It is preferably 6 to 14 members, more preferably 7 to 10 members.
- the spirocycloalkyl group is classified into a monospirocycloalkyl group, a bispirocycloalkyl group or a polyspirocycloalkyl group, preferably a monospirocycloalkyl group and a bispirocycloalkyl group, depending on the number of common spiro atoms between the rings.
- spirocycloalkyl groups include:
- fused cycloalkyl refers to 5 to 20 members, and each ring in the system shares an all-carbon polycyclic group of an adjacent pair of carbon atoms with other rings in the system, wherein one or more of the rings may contain one or Multiple double bonds, but none of the rings have a fully conjugated ⁇ -electron system. It is preferably 6 to 14 members, more preferably 7 to 10 members.
- fused cycloalkyl groups include:
- bridged cycloalkyl refers to an all-carbon polycyclic group of 5 to 20 members, any two rings sharing two carbon atoms which are not directly bonded, which may contain one or more double bonds, but none of the rings have complete Conjugate ⁇ -electron system. It is preferably 6 to 14 members, more preferably 7 to 10 members. Depending on the number of constituent rings, it may be classified into a bicyclic, tricyclic, tetracyclic or polycyclic bridged cycloalkyl group, preferably a bicyclic ring, a tricyclic ring or a tetracyclic ring, and more preferably a bicyclic ring or a tricyclic ring.
- bridged cycloalkyl groups include:
- the cycloalkyl ring may be fused to an aryl, heteroaryl or heterocycloalkyl ring, wherein the ring to which the parent structure is attached is a cycloalkyl group, non-limiting examples include fluorenyl, tetrahydronaphthyl , benzocycloheptyl and the like.
- the cycloalkyl group may be optionally substituted or unsubstituted, and when substituted, the substituent is preferably one or more of the following groups independently selected from the group consisting of alkyl, alkenyl, alkynyl, alkoxy, alkane Thio, alkylamino, halogen, fluorenyl, hydroxy, nitro, cyano, cycloalkyl, heterocycloalkyl, aryl, heteroaryl, cycloalkoxy, heterocycloalkoxy, cycloalkylthio a heterocycloalkylthio group, an oxo group, a carboxyl group or a carboxylate group.
- heterocyclyl refers to a saturated or partially unsaturated monocyclic or polycyclic cyclic hydrocarbon substituent containing from 3 to 20 ring atoms wherein one or more ring atoms are selected from nitrogen, oxygen or S(O).
- a hetero atom of m (where m is an integer of 0 to 2), but excluding the ring moiety of -OO-, -OS- or -SS-, the remaining ring atoms being carbon.
- ring atoms Preferably comprising from 3 to 12 ring atoms, wherein from 1 to 4 are heteroatoms; most preferably from 3 to 8 ring atoms, wherein from 1 to 3 are heteroatoms; most preferably from 5 to 6 ring atoms, wherein 1 to 2 or 1 to 3 are heteroatoms.
- monocyclic heterocyclic groups include pyrrolidinyl, imidazolidinyl, tetrahydrofuranyl, tetrahydrothiophenyl, dihydroimidazolyl, dihydrofuranyl, dihydropyrazolyl, dihydropyrrolyl, piperidine.
- Polycyclic heterocyclic groups include spiro, fused, and bridged heterocyclic groups.
- spiroheterocyclyl refers to a polycyclic heterocyclic group in which one atom (called a spiro atom) is shared between 5 to 20 members of a single ring, wherein one or more ring atoms are selected from nitrogen, oxygen or S (O). ) m (where m is an integer 0 to 2) heteroatoms, and the remaining ring atoms are carbon. It may contain one or more double bonds, but none of the rings have a fully conjugated pi-electron system. It is preferably 6 to 14 members, more preferably 7 to 10 members.
- the spiroheterocyclyl group is classified into a monospiroheterocyclic group, a dispiroheterocyclic group or a polyspirocyclic group according to the number of the shared spiro atoms between the ring and the ring, and is preferably a monospiroheterocyclic group and a dispiroheterocyclic group. More preferably, it is 4 yuan / 4 yuan, 4 yuan / 5 yuan, 4 yuan / 6 yuan, 5 yuan / 5 yuan or 5 yuan / 6-membered monospiroheterocyclic group.
- Non-limiting examples of spiroheterocyclyl groups include:
- fused heterocyclyl refers to 5 to 20 members, and each ring in the system shares an adjacent pair of atomic polycyclic heterocyclic groups with other rings in the system, and one or more rings may contain one or more Double bond, but none of the rings have a fully conjugated ⁇ -electron system in which one or more ring atoms are heteroatoms selected from nitrogen, oxygen or S(O) m (where m is an integer from 0 to 2), and the remaining rings
- the atom is carbon. It is preferably 6 to 14 members, more preferably 7 to 10 members.
- fused heterocyclic groups include:
- bridge heterocyclyl refers to a polycyclic heterocyclic group of 5 to 14 members, any two rings sharing two atoms which are not directly bonded, which may contain one or more double bonds, but none of the rings have a total A ⁇ -electron system of a yoke in which one or more ring atoms are heteroatoms selected from nitrogen, oxygen or S(O) m (where m is an integer from 0 to 2), the remaining ring atoms being carbon. It is preferably 6 to 14 members, more preferably 7 to 10 members.
- bridge heterocyclic groups include:
- the heterocyclyl ring may be fused to an aryl, heteroaryl or cycloalkyl ring, wherein the ring to which the parent structure is attached is a heterocyclic group, non-limiting examples of which include:
- the heterocyclic group may be optionally substituted or unsubstituted, and when substituted, the substituent is preferably one or more of the following groups independently selected from alkyl, alkenyl, alkynyl, alkoxy, alkane Thio, alkylamino, halogen, fluorenyl, hydroxy, nitro, cyano, cycloalkyl, heterocycloalkyl, aryl, heteroaryl, cycloalkoxy, heterocycloalkoxy, cycloalkylthio a heterocycloalkylthio group, an oxo group, a carboxyl group or a carboxylate group.
- aryl refers to a 6 to 14 membered all-carbon monocyclic or fused polycyclic ring (ie, a ring that shares a pair of adjacent carbon atoms) having a conjugated ⁇ -electron system, preferably 6 to 10 members, such as benzene. Base and naphthyl. More preferred is phenyl.
- the aryl ring may be fused to a heteroaryl, heterocyclyl or cycloalkyl ring, wherein the ring to which the parent structure is attached is an aryl ring, non-limiting examples of which include:
- the aryl group may be substituted or unsubstituted, and when substituted, the substituent is preferably one or more of the following groups independently selected from the group consisting of alkyl, alkenyl, alkynyl, alkoxy, alkylthio, Alkylamino, halogen, fluorenyl, hydroxy, nitro, cyano, cycloalkyl, heterocycloalkyl, aryl, heteroaryl, cycloalkoxy, heterocycloalkoxy, cycloalkylthio, heterocycle An alkylthio group, a carboxyl group or a carboxylate group.
- heteroaryl refers to a heteroaromatic system containing from 1 to 4 heteroatoms, from 5 to 14 ring atoms, wherein the heteroatoms are selected from the group consisting of oxygen, sulfur and nitrogen.
- the heteroaryl group is preferably 5 to 10 members, and has 1 to 3 hetero atoms; more preferably 5 or 6 members, and 1 to 2 hetero atoms; preferably, for example, imidazolyl, furyl, thienyl, thiazolyl, pyridyl An oxazolyl, oxazolyl, pyrrolyl, tetrazolyl, pyridyl, pyrimidinyl, thiadiazole, pyrazinyl, etc., preferably imidazolyl, thiazolyl, pyrazolyl or pyrimidinyl, thiazolyl; more selective Pyrazolyl or thiazolyl.
- the heteroaryl ring may be fused to an aryl, hetero
- the heteroaryl group may be optionally substituted or unsubstituted, and when substituted, the substituent is preferably one or more a group independently selected from the group consisting of alkyl, alkenyl, alkynyl, alkoxy, alkylthio, alkylamino, halogen, decyl, hydroxy, nitro, cyano, cycloalkyl, heterocycloalkane
- hydroxy refers to an -OH group.
- halogen means fluoro, chloro, bromo or iodo.
- amino means -NH 2.
- the 3-8 membered ring is selected from a carbocyclic ring or a heterocyclic ring, and the heterocyclic ring contains a plurality of hetero atoms such as N, O, and S.
- heterocyclic group optionally substituted by an alkyl group means that an alkyl group may be, but not necessarily, present, and the description includes the case where the heterocyclic group is substituted with an alkyl group and the case where the heterocyclic group is not substituted with an alkyl group.
- Substituted refers to one or more hydrogen atoms in the group, preferably up to 5, more preferably 1 to 3, hydrogen atoms, independently of each other, substituted by a corresponding number of substituents. It goes without saying that the substituents are only in their possible chemical positions, and those skilled in the art will be able to determine (by experiment or theory) substitutions that may or may not be possible without undue effort. For example, an amino group or a hydroxyl group having a free hydrogen may be unstable when combined with a carbon atom having an unsaturated (e.g., olefinic) bond.
- X is selected from A, B, or C
- X is selected from A, B, and C
- X is A, B, or C
- X is A, B, and C
- the structure of the compound is determined by nuclear magnetic resonance (NMR) or/and mass spectrometry (MS).
- NMR shift ( ⁇ ) is given in units of 10 -6 (ppm).
- NMR was measured using a Bruker AVANCE-400 nuclear magnetic apparatus, and the solvent was deuterated dimethyl sulfoxide (DMSO-d 6 ), deuterated chloroform (CDCl 3 ), deuterated methanol (CD 3 OD), internal standard was four.
- DMSO-d 6 dimethyl sulfoxide
- CDCl 3 deuterated chloroform
- CD 3 OD deuterated methanol
- TMS Methyl silane
- the measurement of the MS was carried out using a FINNIGAN LCQAd (ESI) mass spectrometer (manufacturer: Thermo, model: Finnigan LCQ advantage MAX).
- ESI FINNIGAN LCQAd
- the HPLC was measured using an Agilent 1200 DAD high pressure liquid chromatograph (Sunfire C18 150 x 4.6 mm column) and a Waters 2695-2996 high pressure liquid chromatograph (Gimini C18 150 x 4.6 mm column).
- Thin layer chromatography silica gel plate uses Yantai Yellow Sea HSGF254 or Qingdao GF254 silica gel plate.
- the specification of silica gel plate used for thin layer chromatography (TLC) is 0.15mm ⁇ 0.2mm.
- the specification for thin layer chromatography separation and purification is 0.4mm. ⁇ 0.5mm.
- the known starting materials of the present invention may be synthesized by or according to methods known in the art, or may be purchased from ABCR GmbH & Co. KG, Acros Organics, Aldrich Chemical Company, Accela ChemBio Inc, Dari Companies such as chemicals.
- the reactions can all be carried out under an argon atmosphere or a nitrogen atmosphere.
- An argon atmosphere or a nitrogen atmosphere means that the reaction flask is connected to an argon or nitrogen balloon having a volume of about 1 L.
- the hydrogen atmosphere means that the reaction flask is connected to a hydrogen balloon of about 1 L volume.
- the pressurized hydrogenation reaction was carried out using a Parr Model 3916EKX hydrogenation apparatus and a clear blue QL-500 type hydrogen generator or a HC2-SS type hydrogenation apparatus.
- the hydrogenation reaction is usually evacuated, charged with hydrogen, and operated three times.
- the microwave reaction used a CEM Discover-S Model 908860 microwave reactor.
- the solution means an aqueous solution.
- reaction temperature is room temperature and is 20 ° C to 30 ° C.
- TLC thin layer chromatography
- Purification compounds using column chromatography eluent systems and thin layer chromatography developer systems include: A: dichloromethane and methanol systems, B: n-hexane and ethyl acetate systems, C: dichloromethane and acetone
- A dichloromethane and methanol systems
- B n-hexane and ethyl acetate systems
- C dichloromethane and acetone
- the volume ratio of the solvent is adjusted depending on the polarity of the compound, and a small amount of an alkaline or acidic reagent such as triethylamine or acetic acid may be added for adjustment.
- the crude product 1 h (8.2 g, 41.2 mmol) was dissolved in 70 mL of water, 70 mL of 1,4-dioxane was added, and the mixture was cooled to 0 ° C in an ice bath, and N,N-diisopropylethylamine (31.9 g, 247.2 mmol).
- 9-Methyl-N-succinimidyl carboxylate (18.06 g, 53.56 mmol) was dissolved in 70 mL of 1,4-dioxane, and the above solution was added to the reaction solution, and the addition was completed. The ice bath was removed, the temperature of the reaction solution was naturally raised to room temperature, and the reaction was stirred for 2.5 hours.
- the amine (2.18 mL, 12.54 mmol) was stirred at 20 ° C for 1 hour. After adding 100 mL of water, stirring and stratification, the organic phase was washed with water (100 mL ⁇ 2), washed with saturated sodium chloride solution (100 mL), dried over anhydrous sodium sulfate, filtered, The residue was purified to give the title product 1p (3.55 g, white foamy solid).
- Fluorophosphate (8.8 g, 23.35 mmol), N,N-diisopropylethylamine (7.6 g, 58.38 mmol), stirred at 0-5 ° C for 10 min, then added (5S,8S,11S,12R)- 11-((S)-sec-butyl)-1-(9H-fluoren-9-yl)-5,8-diisopropyl-12-methoxy-4,10-dimethyl-3,6 9-Tricarbonyl-2-oxa-4,7,10-triazatetradecane-14-carboxylic acid 1o (10 g, 19.46 mmol) was stirred for 1 hour.
- 6-maleimidocaproic acid (3.8 g, 17.98 mmol) was dissolved in 200 mL of anhydrous acetonitrile, and the temperature of the reaction solution was controlled to be -5 to 0 ° C under ice salt bath, and 2-(7-even) was slowly added.
- Nitrobenzotriazole)-N,N,N',N'-tetramethyluronium hexafluorophosphate (7.8 g, 20.68 mmol), N,N-diisopropylethylamine (7.0 g, 53.34 mmol) The reaction was stirred for 15 minutes, 1q (15.4 g, 17.98 mmol) was added and stirring was continued for one hour.
- the starting material ((S)-2-amino-3-(2-fluorophenyl)propionic acid 1 s (400 mg, 2.18 mmol) was prepared by a known method "Advanced Synthesis & Catalysis, 2012, 354 (17), 3327-3332". It is dissolved in 10 mL of tert-butyl acetate, added with perchloric acid (300 mg (70%), 3.3 mmol), and stirred at room temperature for 16 hours. After the reaction is completed, 6 mL of water is added, and the organic phase is saturated with sodium hydrogencarbonate solution. (5 mL) Washing.
- reaction solution was concentrated under reduced pressure, diluted with 5 mL of dichloromethane, and then 10mL of saturated sodium hydrogen carbonate solution was added and stirred for 10 minutes.
- the system was layered and the aqueous layer was extracted with dichloromethane (5 mL ⁇ 3). The combined dichloromethane layers were washed with aq.
- N,N-diisopropylethylamine (0.16 mL, 0.915 mmol) and 2-(7-azobenzotriazole)-N,N,N',N'-tetramethyluronium Fluorophosphate (84 mg, 0.22 mmol).
- the reaction system was stirred at room temperature for 1 hour under an argon atmosphere. After the reaction was completed, 10 mL of water was added and stirred, and the layers were separated. The dichloromethane layer was washed with a saturated sodium chloride solution (10 mL) and dried over anhydrous sodium sulfate. Filtration and concentration of the filtrate under reduced pressure.
- the reaction system was stirred at room temperature for 3 hours under an argon atmosphere. After completion of the reaction, the reaction mixture was concentrated under reduced vacuoielielielielielielielielielielielielielielielielielielielielielielielielielielielielielielielielielielielielielielielielielielielielielielielielielielielielielielielielielielielielielielielielielielielielielielielielielielielielielielielielielielielielielielielielielielielielielielielielielielielielielielielielielielielielielielielielielielielielielielielielielielielielielielielielielielielielielielielielielielielielielielielielielielielielielielielielielielielielielielielielielielielielielielielielielielielielielielielielielielielielielielielielielielielielielielielielielielielielielielielielielielielielielielielielielielielielielielielielielie
- the method for protecting the carboxyl group in the upper methyl group is longer than the synthetic route using the prior art, but the total yield is greatly improved, about three times, and is suitable for industrial production, and has a remarkable society. Benefits and economic benefits.
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Abstract
Description
缩写 | 全称 |
Me | 甲基 |
Boc | 叔丁氧羰基 |
t-Bu | 叔丁基 |
Bn | 苄基 |
Ph | 苯基 |
Tosyl | 对甲基苯磺酰基 |
Fmoc | 9-芴甲氧羰基 |
Alloc | 烯丙氧羰基 |
Troc | 三氯乙氧羰基 |
Teoc | 三甲基硅乙氧羰基 |
Nosyl | 对硝基苯磺酰基 |
TMSOTf | 三氟甲基磺酸三甲基硅酯 |
Cbz | 苄氧羰基 |
PfP | 五氟代苯基 |
PMB | 对甲基苄基 |
MEM | 甲氧乙氧甲基 |
Allyl | 烯丙基 |
DMB | 2,4-二甲氧基苄基 |
Claims (15)
- 一种通式(I)所示的化合物的制备方法,其特征在于,所述方法包括由含手性辅基(R3)的通式(II)所示手性化合物在碱性条件下水解或任选进一步上羧基保护基得到通式(III)所示化合物的步骤;由通式(III)所示化合物与卤代烷发生烷基化反应,生成通式(IV)所示的化合物的步骤,通式(IV)化合物脱去羧基保护基得到通式(V)化合物;和由通式(V)所示的化合物经过一系列反应生成通式(I)所示的化合物的步骤;其中:A为3-8元环,优选3元环;R为卤素,优选氟、氯、溴或碘,最优选氟;R1为氨基保护基,优选Boc、Fmoc、Alloc、Troc、CBz、Teoc、Tosyl、Nosyl和t-Bu;R2为羧基保护基,优选DMB、Bn、Allyl、PfP、Me、PMB、MEM和t-Bu;Rx选自烷基和环烷基,其中所述的烷基和环烷基各自独立地任选被选自烷基、卤代烷基、卤素、羟基、氨基、硝基、氰基、烷氧基、羟烷基、环烷基、杂环基、芳基和杂芳基中的一个或多个取代基所取代;优选Rx为甲基;n为1、2、3、4或5。
- 根据权利要求8-11任意一项所述的通式(I)所示化合物的制备方法,其特征在于还进一步包括下述步骤:通式(VIII)所示的化合物进一步与通式(XI)所示的化合物在缩合剂的作用下发生酰胺化反应,得到通式(XII)所示的化合物,其中:所述的缩合剂优选1-(3-二甲氨基丙基)-3-乙基碳二亚胺盐酸盐、N,N'-二环己基碳化二亚胺、N,N'-二异丙基碳二酰亚胺、O-苯并三氮唑-N,N,N',N'-四甲基脲四氟硼酸酯、1-羟基苯并三唑、1-羟基-7-偶氮苯并三氮唑、O-苯并三氮唑-N,N,N',N'-四甲脲六氟磷酸酯、2-(7-偶氮苯并三氮唑)-N,N,N',N'-四甲基脲六氟磷酸酯、苯并三氮唑-1-基氧基三(二甲基氨基)磷鎓六氟磷酸盐或六氟磷酸苯并三唑-1-基-氧基三吡咯烷基磷,更优选2-(7-偶氮苯并三氮唑)-N,N,N',N'-四甲基脲六氟磷酸酯;A、R、R4、Rx和n如权利要求8中定义。
- 根据权利要求8-12任意一项所述的通式(I)所示化合物的制备方法,其特征在于还进一步包括下述步骤:1)通式(XII)所示的化合物在碱性条件下脱去Fmoc保护基得到式(I-E)的化合物;2)通式化合物(I-E)与通式化合物(I-D)在缩合剂的作用下发生酰胺化反应得到通式(I-C)所示的手性中间体;3)通式化合物(I-C)在碱性条件下脱去Fmoc保护基得到通式(I-B)所示的手性化合物;4)通式化合物(I-B)与6-马来酰亚胺基己酸在缩合剂的作用下发生酰胺化反应得到通式(I-A)所示的化合物;5)通式化合物(I-A)在酸性条件下脱去羧基保护基得到通式(I)所示的目标化合物;其中:R4为羧基保护基,优选DMB;所述的步骤1)或步骤3)中的碱性条件的试剂包括有机碱和无机碱类,所述的有机碱类优选三乙胺、二乙胺、N,N-二异丙基乙胺、吡啶、六甲基二硅基胺基钠,正丁基锂、叔丁醇钾或四丁基溴化铵,所述的无机碱类优选氢氧化锂、氢氧化钠、氢氧化钾、氢化钠、碳酸钠、碳酸氢钠、碳酸钾、碳酸氢钾或碳酸铯,更优选为二乙胺;所述的步骤2)或步骤4)中的缩合剂优选1-(3-二甲氨基丙基)-3-乙基碳二亚胺盐酸盐、N,N'-二环己基碳化二亚胺、N,N'-二异丙基碳二酰亚胺、O-苯并三氮唑-N,N,N',N'-四甲基脲四氟硼酸酯、1-羟基苯并三唑、1-羟基-7-偶氮苯并三氮唑、O-苯并三氮唑-N,N,N',N'-四甲脲六氟磷酸酯、2-(7-偶氮苯并三氮唑)-N,N,N',N'-四 甲基脲六氟磷酸酯、苯并三氮唑-1-基氧基三(二甲基氨基)磷鎓六氟磷酸盐或六氟磷酸苯并三唑-1-基-氧基三吡咯烷基磷,更优选2-(7-偶氮苯并三氮唑)-N,N,N',N'-四甲基脲六氟磷酸酯;其中所述的步骤5)中的酸性条件的试剂优选氯化氢溶液、盐酸、硝酸、磷酸、对苯甲磺酸、Me3SiCl、TMSOTf、三氟乙酸或硫酸,更优选三氟乙酸;A、R、Rx和n如权利要求8中定义。
- 根据权利要求8所述的通式(I)所示化合物的制备方法,其特征在于还进一步包括通式(V)所示的化合物进一步与通式(XI)所示的化合物在缩合剂的作用下发生酰胺化反应,得到通式(VII)所示的化合物的步骤;其中:所述的缩合剂优选1-(3-二甲氨基丙基)-3-乙基碳二亚胺盐酸盐、N,N'-二环己基碳化二亚胺、N,N'-二异丙基碳二酰亚胺、O-苯并三氮唑-N,N,N',N'-四甲基脲四氟硼酸酯、1-羟基苯并三唑、1-羟基-7-偶氮苯并三氮唑、O-苯并三氮唑-N,N,N',N'-四甲脲六氟磷酸酯、2-(7-偶氮苯并三氮唑)-N,N,N',N'-四甲基脲六氟磷酸酯、苯并三氮唑-1-基氧基三(二甲基氨基)磷鎓六氟磷酸盐或六氟磷酸苯并三唑-1-基-氧基三吡咯烷基磷,更优选2-(7-偶氮苯并三氮唑)-N,N,N',N'-四甲基脲六氟磷酸酯;A、R、R1、R4、Rx和n如权利要求8中定义。
- 根据权利要求8或14任意一项所述的通式(I)所示化合物的制备方法,其特征在于还进一步包括下述步骤:1)通式(V)所示的化合物进一步与通式(XI)所示的化合物在缩合剂的作用下发生酰胺化反应,得到通式(VII)所示的化合物的步骤;2)通式(VII)所示的化合物碱性条件下脱去氨基保护基得到通式(I-E)的化合物;3)通式化合物(I-E)与通式化合物(I-D)在缩合剂的作用下发生酰胺化反应得到通式(I-C)所示的手性中间体;4)通式化合物(I-C)在碱性条件下脱去Fmoc保护基得到通式(I-B)所示的手性化合物;5)通式化合物(I-B)与6-马来酰亚胺基己酸在缩合剂的作用下发生酰胺化反应得到通式(I-A)所示的化合物;6)通式化合物(I-A)在酸性条件下脱去羧基保护基得到通式(I)所示的目标化合物;其中:所述的步骤1)、步骤3)或步骤5)中的缩合剂优选1-(3-二甲氨基丙基)-3-乙基碳二亚胺盐酸盐、N,N'-二环己基碳化二亚胺、N,N'-二异丙基碳二酰亚胺、O-苯并三氮唑-N,N,N',N'-四甲基脲四氟硼酸酯、1-羟基苯并三唑、1-羟基-7-偶氮苯并三氮唑、O-苯并三氮唑-N,N,N',N'-四甲脲六氟磷酸酯、2-(7-偶氮苯并三氮唑)-N,N,N',N'-四甲基脲六氟磷酸酯、苯并三氮唑-1-基氧基三(二甲基氨基)磷鎓六 氟磷酸盐或六氟磷酸苯并三唑-1-基-氧基三吡咯烷基磷,更优选2-(7-偶氮苯并三氮唑)-N,N,N',N'-四甲基脲六氟磷酸酯;所述的步骤2)或步骤4)中的碱性条件的试剂包括有机碱和无机碱类,所述的有机碱类包括但优选三乙胺、二乙胺、N,N-二异丙基乙胺、吡啶、六甲基二硅基胺基钠,正丁基锂、叔丁醇钾或四丁基溴化铵,所述的无机碱类优选氢氧化锂、氢氧化钠、氢氧化钾、氢化钠、碳酸钠、碳酸氢钠、碳酸钾、碳酸氢钾或碳酸铯,更优选为二乙胺;所述的步骤6)中的酸性条件的试剂优选氯化氢溶液、盐酸、硝酸、磷酸、对苯甲磺酸、Me3SiCl、TMSOTf、三氟乙酸或硫酸,更优选三氟乙酸;R4为羧基保护基,优选DMB;A、R、R1、Rx和n如权利要求8中定义。
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US20190055223A1 (en) | 2019-02-21 |
MX2018010128A (es) | 2019-01-21 |
BR112018016983A2 (zh) | 2018-12-26 |
RU2018132749A (ru) | 2020-03-26 |
CN107531680A (zh) | 2018-01-02 |
RU2018132749A3 (zh) | 2020-04-14 |
US10513510B2 (en) | 2019-12-24 |
JP2019510000A (ja) | 2019-04-11 |
TWI732826B (zh) | 2021-07-11 |
CA3015098A1 (en) | 2017-08-31 |
CN107531680B (zh) | 2020-09-11 |
EP3421463A4 (en) | 2019-10-23 |
EP3421463A1 (en) | 2019-01-02 |
AU2017223532A1 (en) | 2018-08-30 |
KR20180115743A (ko) | 2018-10-23 |
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