CN113166190B - 低聚核苷酸及前体药物 - Google Patents
低聚核苷酸及前体药物 Download PDFInfo
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- CN113166190B CN113166190B CN201980076695.2A CN201980076695A CN113166190B CN 113166190 B CN113166190 B CN 113166190B CN 201980076695 A CN201980076695 A CN 201980076695A CN 113166190 B CN113166190 B CN 113166190B
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- pharmaceutically acceptable
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- acceptable salt
- methyl
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- 108091034117 Oligonucleotide Proteins 0.000 title abstract description 5
- 239000000651 prodrug Substances 0.000 title abstract description 5
- 229940002612 prodrug Drugs 0.000 title abstract description 5
- JLCPHMBAVCMARE-UHFFFAOYSA-N [3-[[3-[[3-[[3-[[3-[[3-[[3-[[3-[[3-[[3-[[3-[[5-(2-amino-6-oxo-1H-purin-9-yl)-3-[[3-[[3-[[3-[[3-[[3-[[5-(2-amino-6-oxo-1H-purin-9-yl)-3-[[5-(2-amino-6-oxo-1H-purin-9-yl)-3-hydroxyoxolan-2-yl]methoxy-hydroxyphosphoryl]oxyoxolan-2-yl]methoxy-hydroxyphosphoryl]oxy-5-(5-methyl-2,4-dioxopyrimidin-1-yl)oxolan-2-yl]methoxy-hydroxyphosphoryl]oxy-5-(6-aminopurin-9-yl)oxolan-2-yl]methoxy-hydroxyphosphoryl]oxy-5-(6-aminopurin-9-yl)oxolan-2-yl]methoxy-hydroxyphosphoryl]oxy-5-(6-aminopurin-9-yl)oxolan-2-yl]methoxy-hydroxyphosphoryl]oxy-5-(6-aminopurin-9-yl)oxolan-2-yl]methoxy-hydroxyphosphoryl]oxyoxolan-2-yl]methoxy-hydroxyphosphoryl]oxy-5-(5-methyl-2,4-dioxopyrimidin-1-yl)oxolan-2-yl]methoxy-hydroxyphosphoryl]oxy-5-(4-amino-2-oxopyrimidin-1-yl)oxolan-2-yl]methoxy-hydroxyphosphoryl]oxy-5-(5-methyl-2,4-dioxopyrimidin-1-yl)oxolan-2-yl]methoxy-hydroxyphosphoryl]oxy-5-(5-methyl-2,4-dioxopyrimidin-1-yl)oxolan-2-yl]methoxy-hydroxyphosphoryl]oxy-5-(6-aminopurin-9-yl)oxolan-2-yl]methoxy-hydroxyphosphoryl]oxy-5-(6-aminopurin-9-yl)oxolan-2-yl]methoxy-hydroxyphosphoryl]oxy-5-(4-amino-2-oxopyrimidin-1-yl)oxolan-2-yl]methoxy-hydroxyphosphoryl]oxy-5-(4-amino-2-oxopyrimidin-1-yl)oxolan-2-yl]methoxy-hydroxyphosphoryl]oxy-5-(4-amino-2-oxopyrimidin-1-yl)oxolan-2-yl]methoxy-hydroxyphosphoryl]oxy-5-(6-aminopurin-9-yl)oxolan-2-yl]methoxy-hydroxyphosphoryl]oxy-5-(4-amino-2-oxopyrimidin-1-yl)oxolan-2-yl]methyl [5-(6-aminopurin-9-yl)-2-(hydroxymethyl)oxolan-3-yl] hydrogen phosphate Polymers Cc1cn(C2CC(OP(O)(=O)OCC3OC(CC3OP(O)(=O)OCC3OC(CC3O)n3cnc4c3nc(N)[nH]c4=O)n3cnc4c3nc(N)[nH]c4=O)C(COP(O)(=O)OC3CC(OC3COP(O)(=O)OC3CC(OC3COP(O)(=O)OC3CC(OC3COP(O)(=O)OC3CC(OC3COP(O)(=O)OC3CC(OC3COP(O)(=O)OC3CC(OC3COP(O)(=O)OC3CC(OC3COP(O)(=O)OC3CC(OC3COP(O)(=O)OC3CC(OC3COP(O)(=O)OC3CC(OC3COP(O)(=O)OC3CC(OC3COP(O)(=O)OC3CC(OC3COP(O)(=O)OC3CC(OC3COP(O)(=O)OC3CC(OC3COP(O)(=O)OC3CC(OC3COP(O)(=O)OC3CC(OC3COP(O)(=O)OC3CC(OC3CO)n3cnc4c(N)ncnc34)n3ccc(N)nc3=O)n3cnc4c(N)ncnc34)n3ccc(N)nc3=O)n3ccc(N)nc3=O)n3ccc(N)nc3=O)n3cnc4c(N)ncnc34)n3cnc4c(N)ncnc34)n3cc(C)c(=O)[nH]c3=O)n3cc(C)c(=O)[nH]c3=O)n3ccc(N)nc3=O)n3cc(C)c(=O)[nH]c3=O)n3cnc4c3nc(N)[nH]c4=O)n3cnc4c(N)ncnc34)n3cnc4c(N)ncnc34)n3cnc4c(N)ncnc34)n3cnc4c(N)ncnc34)O2)c(=O)[nH]c1=O JLCPHMBAVCMARE-UHFFFAOYSA-N 0.000 title abstract description 4
- 150000001875 compounds Chemical class 0.000 claims abstract description 95
- 150000003839 salts Chemical class 0.000 claims abstract description 43
- 239000008194 pharmaceutical composition Substances 0.000 claims abstract description 23
- 208000019423 liver disease Diseases 0.000 claims abstract description 4
- 125000002496 methyl group Chemical group [H]C([H])([H])* 0.000 claims description 51
- 125000000217 alkyl group Chemical group 0.000 claims description 38
- 125000003545 alkoxy group Chemical group 0.000 claims description 22
- 229910052736 halogen Inorganic materials 0.000 claims description 21
- 150000002367 halogens Chemical class 0.000 claims description 21
- 241000124008 Mammalia Species 0.000 claims description 17
- 208000015181 infectious disease Diseases 0.000 claims description 12
- 125000001424 substituent group Chemical group 0.000 claims description 11
- 239000011734 sodium Substances 0.000 claims description 10
- 229910052739 hydrogen Inorganic materials 0.000 claims description 8
- 230000002265 prevention Effects 0.000 claims description 8
- DGAQECJNVWCQMB-PUAWFVPOSA-M Ilexoside XXIX Chemical group 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 7
- 229910052708 sodium Inorganic materials 0.000 claims description 7
- 238000006467 substitution reaction Methods 0.000 claims description 7
- 239000003814 drug Substances 0.000 claims description 6
- 125000004191 (C1-C6) alkoxy group Chemical group 0.000 claims description 5
- 125000004169 (C1-C6) alkyl group Chemical group 0.000 claims description 5
- 229910052731 fluorine Inorganic materials 0.000 claims description 5
- 150000003863 ammonium salts Chemical class 0.000 claims description 4
- 125000000959 isobutyl group Chemical group [H]C([H])([H])C([H])(C([H])([H])[H])C([H])([H])* 0.000 claims description 3
- 125000001449 isopropyl group Chemical group [H]C([H])([H])C([H])(*)C([H])([H])[H] 0.000 claims description 3
- 150000001768 cations Chemical class 0.000 claims description 2
- 238000004519 manufacturing process Methods 0.000 claims description 2
- LMBFAGIMSUYTBN-MPZNNTNKSA-N teixobactin Chemical compound C([C@H](C(=O)N[C@@H]([C@@H](C)CC)C(=O)N[C@@H](CO)C(=O)N[C@H](CCC(N)=O)C(=O)N[C@H]([C@@H](C)CC)C(=O)N[C@@H]([C@@H](C)CC)C(=O)N[C@@H](CO)C(=O)N[C@H]1C(N[C@@H](C)C(=O)N[C@@H](C[C@@H]2NC(=N)NC2)C(=O)N[C@H](C(=O)O[C@H]1C)[C@@H](C)CC)=O)NC)C1=CC=CC=C1 LMBFAGIMSUYTBN-MPZNNTNKSA-N 0.000 claims description 2
- 208000002672 hepatitis B Diseases 0.000 abstract description 5
- 238000002360 preparation method Methods 0.000 abstract description 3
- WEVYAHXRMPXWCK-UHFFFAOYSA-N Acetonitrile Chemical compound CC#N WEVYAHXRMPXWCK-UHFFFAOYSA-N 0.000 description 72
- 238000006243 chemical reaction Methods 0.000 description 45
- XEKOWRVHYACXOJ-UHFFFAOYSA-N Ethyl acetate Chemical compound CCOC(C)=O XEKOWRVHYACXOJ-UHFFFAOYSA-N 0.000 description 42
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 description 42
- -1 isobutenyl Chemical group 0.000 description 40
- 239000000243 solution Substances 0.000 description 40
- YMWUJEATGCHHMB-UHFFFAOYSA-N Dichloromethane Chemical compound ClCCl YMWUJEATGCHHMB-UHFFFAOYSA-N 0.000 description 36
- OKKJLVBELUTLKV-UHFFFAOYSA-N Methanol Chemical compound OC OKKJLVBELUTLKV-UHFFFAOYSA-N 0.000 description 27
- RTZKZFJDLAIYFH-UHFFFAOYSA-N Diethyl ether Chemical compound CCOCC RTZKZFJDLAIYFH-UHFFFAOYSA-N 0.000 description 20
- 239000000203 mixture Substances 0.000 description 19
- KFZMGEQAYNKOFK-UHFFFAOYSA-N Isopropanol Chemical compound CC(C)O KFZMGEQAYNKOFK-UHFFFAOYSA-N 0.000 description 18
- 208000037265 diseases, disorders, signs and symptoms Diseases 0.000 description 17
- 241000700721 Hepatitis B virus Species 0.000 description 16
- 239000008346 aqueous phase Substances 0.000 description 14
- 239000012043 crude product Substances 0.000 description 14
- 201000010099 disease Diseases 0.000 description 14
- RYYWUUFWQRZTIU-UHFFFAOYSA-K thiophosphate Chemical compound [O-]P([O-])([O-])=S RYYWUUFWQRZTIU-UHFFFAOYSA-K 0.000 description 14
- 125000004432 carbon atom Chemical group C* 0.000 description 13
- QTBSBXVTEAMEQO-UHFFFAOYSA-N Acetic acid Chemical compound CC(O)=O QTBSBXVTEAMEQO-UHFFFAOYSA-N 0.000 description 12
- IAZDPXIOMUYVGZ-UHFFFAOYSA-N Dimethylsulphoxide Chemical compound CS(C)=O IAZDPXIOMUYVGZ-UHFFFAOYSA-N 0.000 description 12
- 125000003118 aryl group Chemical group 0.000 description 11
- 238000004440 column chromatography Methods 0.000 description 11
- 238000004366 reverse phase liquid chromatography Methods 0.000 description 11
- 125000000555 isopropenyl group Chemical group [H]\C([H])=C(\*)C([H])([H])[H] 0.000 description 10
- VLKZOEOYAKHREP-UHFFFAOYSA-N n-Hexane Chemical compound CCCCCC VLKZOEOYAKHREP-UHFFFAOYSA-N 0.000 description 10
- 239000012074 organic phase Substances 0.000 description 10
- 238000005160 1H NMR spectroscopy Methods 0.000 description 9
- 125000000592 heterocycloalkyl group Chemical group 0.000 description 9
- 239000000546 pharmaceutical excipient Substances 0.000 description 9
- 238000005481 NMR spectroscopy Methods 0.000 description 8
- 125000000845 uracil-1-yl group Chemical group [*]N1C(=O)N([H])C(=O)C([H])=C1[H] 0.000 description 8
- 125000001313 C5-C10 heteroaryl group Chemical group 0.000 description 7
- PMZURENOXWZQFD-UHFFFAOYSA-L Sodium Sulfate Chemical compound [Na+].[Na+].[O-]S([O-])(=O)=O PMZURENOXWZQFD-UHFFFAOYSA-L 0.000 description 7
- 238000000034 method Methods 0.000 description 7
- 239000011541 reaction mixture Substances 0.000 description 7
- IMNFDUFMRHMDMM-UHFFFAOYSA-N N-Heptane Chemical compound CCCCCCC IMNFDUFMRHMDMM-UHFFFAOYSA-N 0.000 description 6
- WYURNTSHIVDZCO-UHFFFAOYSA-N Tetrahydrofuran Chemical compound C1CCOC1 WYURNTSHIVDZCO-UHFFFAOYSA-N 0.000 description 6
- 239000003153 chemical reaction reagent Substances 0.000 description 6
- 239000000463 material Substances 0.000 description 6
- 239000007787 solid Substances 0.000 description 6
- VEPTXBCIDSFGBF-UHFFFAOYSA-M tetrabutylazanium;fluoride;trihydrate Chemical compound O.O.O.[F-].CCCC[N+](CCCC)(CCCC)CCCC VEPTXBCIDSFGBF-UHFFFAOYSA-M 0.000 description 6
- 125000006376 (C3-C10) cycloalkyl group Chemical group 0.000 description 5
- 125000006584 (C3-C10) heterocycloalkyl group Chemical group 0.000 description 5
- VHUUQVKOLVNVRT-UHFFFAOYSA-N Ammonium hydroxide Chemical compound [NH4+].[OH-] VHUUQVKOLVNVRT-UHFFFAOYSA-N 0.000 description 5
- QGZKDVFQNNGYKY-UHFFFAOYSA-N ammonia Natural products N QGZKDVFQNNGYKY-UHFFFAOYSA-N 0.000 description 5
- 125000005842 heteroatom Chemical group 0.000 description 5
- 238000000746 purification Methods 0.000 description 5
- 238000003756 stirring Methods 0.000 description 5
- JUJWROOIHBZHMG-UHFFFAOYSA-N Pyridine Chemical compound C1=CC=NC=C1 JUJWROOIHBZHMG-UHFFFAOYSA-N 0.000 description 4
- XYOVOXDWRFGKEX-UHFFFAOYSA-N azepine Chemical compound N1C=CC=CC=C1 XYOVOXDWRFGKEX-UHFFFAOYSA-N 0.000 description 4
- 229910052799 carbon Inorganic materials 0.000 description 4
- JXTHNDFMNIQAHM-UHFFFAOYSA-N dichloroacetic acid Chemical compound OC(=O)C(Cl)Cl JXTHNDFMNIQAHM-UHFFFAOYSA-N 0.000 description 4
- 230000000694 effects Effects 0.000 description 4
- 125000001072 heteroaryl group Chemical group 0.000 description 4
- 239000001257 hydrogen Substances 0.000 description 4
- 230000002401 inhibitory effect Effects 0.000 description 4
- 125000000956 methoxy group Chemical group [H]C([H])([H])O* 0.000 description 4
- 239000011259 mixed solution Substances 0.000 description 4
- 229910000402 monopotassium phosphate Inorganic materials 0.000 description 4
- 235000019796 monopotassium phosphate Nutrition 0.000 description 4
- 229910052760 oxygen Inorganic materials 0.000 description 4
- 239000003208 petroleum Substances 0.000 description 4
- PJNZPQUBCPKICU-UHFFFAOYSA-N phosphoric acid;potassium Chemical compound [K].OP(O)(O)=O PJNZPQUBCPKICU-UHFFFAOYSA-N 0.000 description 4
- LFGREXWGYUGZLY-UHFFFAOYSA-N phosphoryl Chemical group [P]=O LFGREXWGYUGZLY-UHFFFAOYSA-N 0.000 description 4
- 125000006413 ring segment Chemical group 0.000 description 4
- 125000000446 sulfanediyl group Chemical group *S* 0.000 description 4
- 229910052717 sulfur Inorganic materials 0.000 description 4
- 239000006228 supernatant Substances 0.000 description 4
- 125000004192 tetrahydrofuran-2-yl group Chemical group [H]C1([H])OC([H])(*)C([H])([H])C1([H])[H] 0.000 description 4
- 125000005913 (C3-C6) cycloalkyl group Chemical group 0.000 description 3
- IJGRMHOSHXDMSA-UHFFFAOYSA-N Atomic nitrogen Chemical compound N#N IJGRMHOSHXDMSA-UHFFFAOYSA-N 0.000 description 3
- ZMXDDKWLCZADIW-UHFFFAOYSA-N N,N-Dimethylformamide Chemical compound CN(C)C=O ZMXDDKWLCZADIW-UHFFFAOYSA-N 0.000 description 3
- UIIMBOGNXHQVGW-UHFFFAOYSA-M Sodium bicarbonate Chemical class [Na+].OC([O-])=O UIIMBOGNXHQVGW-UHFFFAOYSA-M 0.000 description 3
- FKNQFGJONOIPTF-UHFFFAOYSA-N Sodium cation Chemical group [Na+] FKNQFGJONOIPTF-UHFFFAOYSA-N 0.000 description 3
- ZMANZCXQSJIPKH-UHFFFAOYSA-N Triethylamine Chemical compound CCN(CC)CC ZMANZCXQSJIPKH-UHFFFAOYSA-N 0.000 description 3
- ISAKRJDGNUQOIC-UHFFFAOYSA-N Uracil Chemical compound O=C1C=CNC(=O)N1 ISAKRJDGNUQOIC-UHFFFAOYSA-N 0.000 description 3
- 125000003342 alkenyl group Chemical group 0.000 description 3
- 239000008367 deionised water Substances 0.000 description 3
- 229910021641 deionized water Inorganic materials 0.000 description 3
- 208000035475 disorder Diseases 0.000 description 3
- 229940079593 drug Drugs 0.000 description 3
- 125000001495 ethyl group Chemical group [H]C([H])([H])C([H])([H])* 0.000 description 3
- 238000002474 experimental method Methods 0.000 description 3
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- 239000001963 growth medium Substances 0.000 description 3
- 125000004435 hydrogen atom Chemical group [H]* 0.000 description 3
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- 239000000523 sample Substances 0.000 description 3
- 229910001415 sodium ion Inorganic materials 0.000 description 3
- HPALAKNZSZLMCH-UHFFFAOYSA-M sodium;chloride;hydrate Chemical class O.[Na+].[Cl-] HPALAKNZSZLMCH-UHFFFAOYSA-M 0.000 description 3
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- 208000024891 symptom Diseases 0.000 description 3
- 238000003786 synthesis reaction Methods 0.000 description 3
- YLQBMQCUIZJEEH-UHFFFAOYSA-N tetrahydrofuran Natural products C=1C=COC=1 YLQBMQCUIZJEEH-UHFFFAOYSA-N 0.000 description 3
- CWWIKVUHBBTKHC-UHFFFAOYSA-N 1-(oxolan-2-yl)pyrimidine-2,4-dione Chemical compound O=C1NC(=O)C=CN1C1OCCC1 CWWIKVUHBBTKHC-UHFFFAOYSA-N 0.000 description 2
- UVUOJOLPNDCIHL-XKZJCBTISA-N 3-[[(2r,3r,4r,5r)-2-[[bis(4-methoxyphenyl)-phenylmethoxy]methyl]-5-(2,4-dioxopyrimidin-1-yl)-4-methoxyoxolan-3-yl]oxy-[di(propan-2-yl)amino]phosphanyl]oxypropanenitrile Chemical compound C([C@@H]1[C@@H](OP(OCCC#N)N(C(C)C)C(C)C)[C@H]([C@@H](O1)N1C(NC(=O)C=C1)=O)OC)OC(C=1C=CC(OC)=CC=1)(C=1C=CC(OC)=CC=1)C1=CC=CC=C1 UVUOJOLPNDCIHL-XKZJCBTISA-N 0.000 description 2
- 125000002103 4,4'-dimethoxytriphenylmethyl group Chemical group [H]C1=C([H])C([H])=C(C([H])=C1[H])C(*)(C1=C([H])C([H])=C(OC([H])([H])[H])C([H])=C1[H])C1=C([H])C([H])=C(OC([H])([H])[H])C([H])=C1[H] 0.000 description 2
- VHYFNPMBLIVWCW-UHFFFAOYSA-N 4-Dimethylaminopyridine Chemical compound CN(C)C1=CC=NC=C1 VHYFNPMBLIVWCW-UHFFFAOYSA-N 0.000 description 2
- QGZKDVFQNNGYKY-UHFFFAOYSA-O Ammonium Chemical compound [NH4+] QGZKDVFQNNGYKY-UHFFFAOYSA-O 0.000 description 2
- 125000000882 C2-C6 alkenyl group Chemical group 0.000 description 2
- 125000003601 C2-C6 alkynyl group Chemical group 0.000 description 2
- LFZKIAFPRASFQF-HWHHLZOCSA-N CO[C@H]1[C@H](N(C=CC(N2)=O)C2=O)O[C@H](CO)[C@H]1OP(O)(OCCC#N)=S Chemical compound CO[C@H]1[C@H](N(C=CC(N2)=O)C2=O)O[C@H](CO)[C@H]1OP(O)(OCCC#N)=S LFZKIAFPRASFQF-HWHHLZOCSA-N 0.000 description 2
- OHZAEQAMHPHJDH-ORESTLCSSA-N CO[C@H]1[C@H](N(C=CC(N2)=O)C2=O)O[C@H](COC(C2=CC=CC=C2)(C(C=C2)=CC=C2OC)C(C=C2)=CC=C2OC)[C@H]1OP(OC)OCCC#N Chemical compound CO[C@H]1[C@H](N(C=CC(N2)=O)C2=O)O[C@H](COC(C2=CC=CC=C2)(C(C=C2)=CC=C2OC)C(C=C2)=CC=C2OC)[C@H]1OP(OC)OCCC#N OHZAEQAMHPHJDH-ORESTLCSSA-N 0.000 description 2
- HEDRZPFGACZZDS-UHFFFAOYSA-N Chloroform Chemical compound ClC(Cl)Cl HEDRZPFGACZZDS-UHFFFAOYSA-N 0.000 description 2
- 241000282414 Homo sapiens Species 0.000 description 2
- 125000001931 aliphatic group Chemical group 0.000 description 2
- 125000000304 alkynyl group Chemical group 0.000 description 2
- HNYOPLTXPVRDBG-UHFFFAOYSA-N barbituric acid Chemical compound O=C1CC(=O)NC(=O)N1 HNYOPLTXPVRDBG-UHFFFAOYSA-N 0.000 description 2
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- IJOOHPMOJXWVHK-UHFFFAOYSA-N chlorotrimethylsilane Chemical compound C[Si](C)(C)Cl IJOOHPMOJXWVHK-UHFFFAOYSA-N 0.000 description 2
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- DHEPIQOGGUAJGR-UHFFFAOYSA-N iodomethyl propan-2-yl carbonate Chemical compound CC(C)OC(=O)OCI DHEPIQOGGUAJGR-UHFFFAOYSA-N 0.000 description 2
- 239000007788 liquid Substances 0.000 description 2
- 239000002609 medium Substances 0.000 description 2
- RCIJMMSZBQEWKW-UHFFFAOYSA-N methyl propan-2-yl carbonate Chemical compound COC(=O)OC(C)C RCIJMMSZBQEWKW-UHFFFAOYSA-N 0.000 description 2
- 229910052757 nitrogen Inorganic materials 0.000 description 2
- 239000012299 nitrogen atmosphere Substances 0.000 description 2
- QJGQUHMNIGDVPM-UHFFFAOYSA-N nitrogen group Chemical group [N] QJGQUHMNIGDVPM-UHFFFAOYSA-N 0.000 description 2
- IIWVFLOQEJCOIX-UHFFFAOYSA-N oxathiaphospholane Chemical compound C1CPSO1 IIWVFLOQEJCOIX-UHFFFAOYSA-N 0.000 description 2
- 125000001997 phenyl group Chemical group [H]C1=C([H])C([H])=C(*)C([H])=C1[H] 0.000 description 2
- 239000006187 pill Substances 0.000 description 2
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- 125000006239 protecting group Chemical group 0.000 description 2
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- UMJSCPRVCHMLSP-UHFFFAOYSA-N pyridine Natural products COC1=CC=CN=C1 UMJSCPRVCHMLSP-UHFFFAOYSA-N 0.000 description 2
- 229920006395 saturated elastomer Polymers 0.000 description 2
- 239000002904 solvent Substances 0.000 description 2
- 125000003003 spiro group Chemical group 0.000 description 2
- 239000000126 substance Substances 0.000 description 2
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- 125000000037 tert-butyldiphenylsilyl group Chemical group [H]C1=C([H])C([H])=C([H])C([H])=C1[Si]([H])([*]C(C([H])([H])[H])(C([H])([H])[H])C([H])([H])[H])C1=C([H])C([H])=C([H])C([H])=C1[H] 0.000 description 2
- 238000012360 testing method Methods 0.000 description 2
- DZLFLBLQUQXARW-UHFFFAOYSA-N tetrabutylammonium Chemical compound CCCC[N+](CCCC)(CCCC)CCCC DZLFLBLQUQXARW-UHFFFAOYSA-N 0.000 description 2
- CXWXQJXEFPUFDZ-UHFFFAOYSA-N tetralin Chemical compound C1=CC=C2CCCCC2=C1 CXWXQJXEFPUFDZ-UHFFFAOYSA-N 0.000 description 2
- 238000012546 transfer Methods 0.000 description 2
- IVTHSFJXIARUFL-UHFFFAOYSA-N triazanium;thiophosphate Chemical compound [NH4+].[NH4+].[NH4+].[O-]P([O-])([O-])=S IVTHSFJXIARUFL-UHFFFAOYSA-N 0.000 description 2
- 229930007450 (4R)-limonene 1beta,2beta-epoxide Natural products 0.000 description 1
- RBORURQQJIQWBS-QVRNUERCSA-N (4ar,6r,7r,7as)-6-(6-amino-8-bromopurin-9-yl)-2-hydroxy-2-sulfanylidene-4a,6,7,7a-tetrahydro-4h-furo[3,2-d][1,3,2]dioxaphosphinin-7-ol Chemical compound C([C@H]1O2)OP(O)(=S)O[C@H]1[C@@H](O)[C@@H]2N1C(N=CN=C2N)=C2N=C1Br RBORURQQJIQWBS-QVRNUERCSA-N 0.000 description 1
- 125000006570 (C5-C6) heteroaryl group Chemical group 0.000 description 1
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Classifications
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- 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
- A61K31/70—Carbohydrates; Sugars; Derivatives thereof
- A61K31/7042—Compounds having saccharide radicals and heterocyclic rings
- A61K31/7052—Compounds having saccharide radicals and heterocyclic rings having nitrogen as a ring hetero atom, e.g. nucleosides, nucleotides
- A61K31/706—Compounds having saccharide radicals and heterocyclic rings having nitrogen as a ring hetero atom, e.g. nucleosides, nucleotides containing six-membered rings with nitrogen as a ring hetero atom
- A61K31/7064—Compounds having saccharide radicals and heterocyclic rings having nitrogen as a ring hetero atom, e.g. nucleosides, nucleotides containing six-membered rings with nitrogen as a ring hetero atom containing condensed or non-condensed pyrimidines
- A61K31/7068—Compounds having saccharide radicals and heterocyclic rings having nitrogen as a ring hetero atom, e.g. nucleosides, nucleotides containing six-membered rings with nitrogen as a ring hetero atom containing condensed or non-condensed pyrimidines having oxo groups directly attached to the pyrimidine ring, e.g. cytidine, cytidylic acid
- A61K31/7072—Compounds having saccharide radicals and heterocyclic rings having nitrogen as a ring hetero atom, e.g. nucleosides, nucleotides containing six-membered rings with nitrogen as a ring hetero atom containing condensed or non-condensed pyrimidines having oxo groups directly attached to the pyrimidine ring, e.g. cytidine, cytidylic acid having two oxo groups directly attached to the pyrimidine ring, e.g. uridine, uridylic acid, thymidine, zidovudine
-
- 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
- A61K31/70—Carbohydrates; Sugars; Derivatives thereof
- A61K31/7042—Compounds having saccharide radicals and heterocyclic rings
- A61K31/7052—Compounds having saccharide radicals and heterocyclic rings having nitrogen as a ring hetero atom, e.g. nucleosides, nucleotides
- A61K31/706—Compounds having saccharide radicals and heterocyclic rings having nitrogen as a ring hetero atom, e.g. nucleosides, nucleotides containing six-membered rings with nitrogen as a ring hetero atom
- A61K31/7064—Compounds having saccharide radicals and heterocyclic rings having nitrogen as a ring hetero atom, e.g. nucleosides, nucleotides containing six-membered rings with nitrogen as a ring hetero atom containing condensed or non-condensed pyrimidines
- A61K31/7076—Compounds having saccharide radicals and heterocyclic rings having nitrogen as a ring hetero atom, e.g. nucleosides, nucleotides containing six-membered rings with nitrogen as a ring hetero atom containing condensed or non-condensed pyrimidines containing purines, e.g. adenosine, adenylic acid
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- 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
- A61K31/70—Carbohydrates; Sugars; Derivatives thereof
- A61K31/7042—Compounds having saccharide radicals and heterocyclic rings
- A61K31/7052—Compounds having saccharide radicals and heterocyclic rings having nitrogen as a ring hetero atom, e.g. nucleosides, nucleotides
- A61K31/706—Compounds having saccharide radicals and heterocyclic rings having nitrogen as a ring hetero atom, e.g. nucleosides, nucleotides containing six-membered rings with nitrogen as a ring hetero atom
- A61K31/7064—Compounds having saccharide radicals and heterocyclic rings having nitrogen as a ring hetero atom, e.g. nucleosides, nucleotides containing six-membered rings with nitrogen as a ring hetero atom containing condensed or non-condensed pyrimidines
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Abstract
公开了一种低聚核苷酸及前体药物,具体而言,公开了式I所示的化合物、其互变异构体、立体异构体或其药学上可接受的盐、制备方法、药物组合物及医药用途,包括用于治疗乙型肝炎病毒感染的用途,尤其是乙型肝炎病毒感染引起的肝脏疾病。
Description
相关申请的交叉引用
本申请要求于2018年11月23日向中国国家知识产权局提交的第201811408257.5号中国专利申请的优先权和权益,所述申请公开的内容通过引用整体并入本文中。
技术领域
本申请涉及低聚核苷酸及前体药物、其制备方法、含有该化合物的药物组合物、以及其在治疗乙型肝炎病毒(HBV)感染和与HBV有关的肝脏疾病方面的用途。
背景技术
慢性乙型病毒性肝炎目前不可治愈只能控制,临床中已经认可的两种抗HBV药物包括α干扰素和核苷类似物,但是通常存在抗药性的快速出现和与治疗有关的剂量限制的毒性问题。另外很多当前的药物受到吸收、分布、代谢和/或排泄(ADME)特性差的困扰,妨碍了其更广泛的应用。ADME特性差也是候选药物在临床试验中失败的一大原因。
已有的低聚核苷酸药物如SB9000及其前体药SB9200,在未经治疗无肝硬化的慢性乙肝患者中兼具安全性和抗病毒效用,但是仍需要开发具有更优的抗HBV活性、安全性、前药释放活性速度及生物利用率,较高的稳定性及一定的肝靶向性的化合物。
发明概述
一方面,本申请涉及式I化合物、其互变异构体、立体异构体或其药学上可接受的盐,
R1选自其中R选自以下基团:C1-6烷基、C2-6烯基、C2-6炔基、C3-6环烷基、3-6元杂环烷基、C6-10芳基或5-10元杂芳基,所述R基团任选地被一个或多个以下基团取代:卤素、-OH、C1-6烷基、C1-6烷氧基、-NO2、-CN、-NH2、-NH(C1-6烷基)、-N(C1-6烷基)2、-C(O)C1-6烷基、-C(O)OC1-6烷基、-CONHC1-6烷基、-SH或-SC1-6烷基;
R2及R3分别独立地选自H、-OH、卤素、C1-6烷基、C1-6烷氧基、C3-10环烷基、3-10元杂环烷基、C6-10芳基或5-10元杂芳基,所述C1-6烷基、C1-6烷氧基、C3-10环烷基、3-10元杂环烷基、C6-10芳基或5-10元杂芳基任选地被一个或多个选自卤素、-OH、-NO2、-NH2或C1-6烷氧基的取代基取代;
R4及R5分别独立地选自H、-OH、-NH2或-SH;
n选自0、1、2、3或4;
X选自-C(RaRb)-或-C(=CH2)-;
其中,Ra和Rb分别独立地选自H、卤素、C1-6烷氧基或C1-6烷基,所述C1-6烷氧基或C1-6烷基任选地被一个或多个选自C1-6烷氧基、卤素、-OH、-NH2或-NO2的取代基取代。
另一方面,本申请涉及药物组合物,其包含本申请的式I化合物、其互变异构体、立体异构体或其药学上可接受的盐。
另一方面,本申请涉及治疗或抑制哺乳动物HBV感染的方法,包括对需要该治疗的哺乳动物给予治疗有效量的式I化合物、其互变异构体、立体异构体或其药学上可接受的盐或上述药物组合物。
另一方面,本申请涉及式I化合物、其互变异构体、立体异构体或其药学上可接受的盐或上述药物组合物在制备预防或者治疗哺乳动物HBV感染的药物中的用途。
另一方面,本申请涉及式I化合物、其互变异构体、立体异构体或其药学上可接受的盐或上述药物组合物在预防或者治疗哺乳动物HBV感染中的用途。
另一方面,本申请涉及用于预防或者治疗哺乳动物HBV感染的式I化合物、其互变异构体、立体异构体或其药学上可接受的盐或上述药物组合物。
发明详述
本申请涉及式I化合物、其互变异构体、立体异构体或其药学上可接受的盐,
R1选自其中R选自以下基团:C1-6烷基、C2-6烯基、C2-6炔基、C3-6环烷基、3-6元杂环烷基、C6-10芳基或5-10元杂芳基,所述R基团任选地被一个或多个选自以下的基团取代:卤素、-OH、C1-6烷基、C1-6烷氧基、-NO2、-CN、-NH2、-NH(C1-6烷基)、-N(C1-6烷基)2、-C(O)C1-6烷基、-C(O)OC1-6烷基、-CONHC1-6烷基、-SH或-SC1-6烷基;
R2及R3分别独立地选自H、-OH、卤素、C1-6烷基、C1-6烷氧基、C3-10环烷基、3-10元杂环烷基、C6-10芳基或5-10元杂芳基,所述C1-6烷基、C1-6烷氧基、C3-10环烷基、3-10元杂环烷基、C6-10芳基或5-10元杂芳基任选地被一个或多个选自卤素、-OH、-NO2、-NH2或C1-6烷氧基的取代基取代;
R4及R5分别独立地选自H、-OH、-NH2或-SH;
n选自0、1、2、3或4;
X选自-C(RaRb)-或-C(=CH2)-;
其中,Ra和Rb分别独立地选自H、卤素、C1-6烷氧基或C1-6烷基,所述C1-6烷氧基或C1-6烷基任选地被一个或多个选自C1-6烷氧基、卤素、-OH、-NH2或-NO2的取代基取代。
在一些实施方案中,R选自以下基团:C1-6烷基、C2-4烯基、C2-4炔基、C3-6环烷基、3-6元杂环烷基、苯基或5-6元杂芳基;在一些实施方案中,R选自C1-4烷基;在一些实施方案中,R为异丙基、甲基或异丁基。
在一些实施方案中,R2及R3分别独立地选自H、-OH、卤素、C1-6烷基、C1-6烷氧基、C3-10环烷基、3-10元杂环烷基、C6-10芳基或5-10元杂芳基,所述C1-6烷基或C1-6烷氧基任选地被一个或多个选自卤素、-OH、-NO2、-NH2或C1-6烷氧基的取代基取代;在一些实施方案中,R2及R3分别独立地选自H、卤素、C1-6烷基或任选地被C1-6烷氧基取代的C1-6烷氧基;在一些实施方案中,R2及R3分别独立地选自H、F、CH3-、CH3O-或CH3OCH2CH2O-;在一些实施方案中,R2为H或F,R3为CH3-、CH3O-或CH3OCH2CH2O-。
在一些实施方案中,R4及R5分别独立地选自H或-OH;在一些实施方案中,R4为H,R5为-OH。
在一些实施方案中,n选自0、1或2。在一些实施方案中,n为1。
在一些实施方案中,Ra和Rb分别独立地选自H、卤素、C1-3烷氧基或C1-3烷基;在一些实施方案中,Ra和Rb分别独立地为H或卤素。
在一些实施方案中,X为-C(=CH2)-。
在一些实施方案中,药学上可接受的盐选自钠盐或铵盐。
在一些实施方案中,本申请的式I化合物、其互变异构体、立体异构体或其药学上可接受的盐选自式II化合物、其互变异构体、立体异构体或其药学上可接受的盐:
其中,R1、R2或R3同式I化合物中的定义。
在一些实施方案中,本申请式I化合物的药学上可接受的盐选自钠盐或铵盐。
在一些实施方案中,本申请的式I化合物、其互变异构体、立体异构体或其药学上可接受的盐选自:
在一些实施方案中,本申请的式I化合物、其互变异构体、立体异构体或其药学上可接受的盐选自:
另一方面,本申请涉及药物组合物,其包含本申请的式I化合物、其互变异构体、立体异构体或其药学上可接受的盐。在一些实施方案中,本申请的药物组合物还包含药学上可接受的辅料。
另一方面,本申请涉及治疗或抑制哺乳动物HBV感染方法,包括对需要该治疗的哺乳动物,优选人类,给予治疗有效量的式I化合物、其互变异构体、立体异构体或其药学上可接受的盐、或上述药物组合物。
另一方面,本申请涉及式I化合物、其互变异构体、立体异构体或其药学上可接受的盐、或上述药物组合物在制备预防或者治疗哺乳动物HBV感染的药物中的用途。
另一方面,本申请涉及式I化合物、其互变异构体、立体异构体或其药学上可接受的盐、或上述药物组合物在预防或者治疗哺乳动物HBV感染的用途。
另一方面,本申请涉及预防或者治疗哺乳动物HBV感染的式I化合物、其互变异构体、立体异构体或其药学上可接受的盐、或上述药物组合物。
在本申请的部分实施方式中,所述治疗HBV感染指控制、降低或清除HBV以缓解或治愈受感染哺乳动物或患者的肝脏疾病。
定义
除非另有说明,本申请中所用的下列术语具有下列含义。一个特定的术语在没有特别定义的情况下不应该被认为是不确定的或不清楚的,而应该按照本领域普通的含义去理解。当本文中出现商品名时,意在指代其对应的商品或其活性成分。
术语“被取代”是指特定基团上的任意一个或多个氢原子被取代基取代,只要特定基团的价态是正常的并且取代后的化合物是稳定的。
术语“任选”或“任选地”是指随后描述的事件或情况可以发生或不发生,该描述包括发生所述事件或情况和不发生所述事件或情况。例如,乙基“任选”被卤素取代,指乙基可以是未被取代的(CH2CH3)、单取代的(如CH2CH2F)、多取代的(如CHFCH2F、CH2CHF2等)或完全被取代的(CF2CF3)。本领域技术人员可理解,对于包含一个或多个取代基的任何基团,不会引入任何在空间上不可能存在和/或不能合成的取代或取代模式。
本文中的Cm-n,是该部分具有给定范围中的整数个碳原子。例如“C1-6”是指该基团可具有1个碳原子、2个碳原子、3个碳原子、4个碳原子、5个碳原子或6个碳原子。
当任何变量(例如R)在化合物的组成或结构中出现一次以上时,其在每一种情况下的定义都是独立的。因此,例如,如果一个基团被2个R所取代,则每个R都有独立的选项。
术语“卤”或“卤素”是指氟、氯、溴和碘。
术语“烷基”是指通式为CnH2n+1的烃基。该烷基可以是直链或支链的。例如,术语“C1-6烷基”指含有1至6个碳原子的烷基(例如甲基、乙基、正丙基、异丙基、正丁基、异丁基、仲丁基、叔丁基、正戊基、1-甲基丁基、2-甲基丁基、3-甲基丁基、新戊基、己基、2-甲基戊基等)。类似地,烷氧基、烷基氨基、二烷基氨基、烷基磺酰基和烷硫基的烷基部分(即烷基)具有上述相同定义。
术语“烷氧基”指-O-烷基。
术语“烯基”是指由碳原子和氢原子组成的直链或支链的具有至少一个双键的不饱和脂肪族烃基。烯基的非限制性实例包括但不限于乙烯基、1-丙烯基、2-丙烯基、1-丁烯基、异丁烯基、1,3-丁二烯基等。
术语“炔基”是指由碳原子和氢原子组成的直链或支链的具有至少一个三键的不饱和脂肪族烃基。炔基的非限制性实例包括但不限于乙炔基(-C≡CH)、1-丙炔基(-C≡C-CH3)、2-丙炔基(-CH2-C≡CH)、1,3-丁二炔基(-C≡C-C≡CH)等。
术语“环烷基”指完全饱和的并且可以以呈单环、桥环或螺环形式存在的碳环。除非另有指示,该碳环通常为3至10元环或3至6元环。环烷基非限制性实例包括但不限于环丙基、环丁基、环戊基、环己基、降冰片基(双环[2.2.1]庚基)、双环[2.2.2]辛基、金刚烷基等。
术语“杂环烷基”是指完全饱和的并且可以以单环、桥环或螺环形式存在的环状基团,其含有1至4个选自N、O和S的杂原子。除非另有指示,该杂环通常为含有1至3个独立地选自硫、氧和/或氮的杂原子(优选1或2个杂原子)的3至7元环或3至10元环。3元杂环烷基的实例包括但不限于环氧乙烷基、环硫乙烷基、环氮乙烷基,4元杂环烷基的非限制性实例包括但不限于吖丁啶基、噁丁环基、噻丁环基,5元杂环烷基的实例包括但不限于四氢呋喃基、四氢噻吩基、吡咯烷基、异噁唑烷基、噁唑烷基、异噻唑烷基、噻唑烷基、咪唑烷基、四氢吡唑基,6元杂环烷基的实例包括但不限于哌啶基、四氢吡喃基、四氢噻喃基、吗啉基、哌嗪基、1,4-噻噁烷基、1,4-二氧六环基、硫代吗啉基、1,3-二噻烷基、1,4-二噻烷基,7元杂环烷基的实例包括但不限于氮杂环庚烷基、氧杂环庚烷基、硫杂环庚烷基。优选为具有5或6个环原子的单环杂环烷基。
术语“芳基”是指具有共轭的π电子体系的全碳单环或稠合多环的芳香环基团。例如,芳基可以具有6-20个碳原子,6-14个碳原子、6-12个碳原子或6-10个碳原子。芳基的非限制性实例包括但不限于苯基、萘基、蒽基和1,2,3,4-四氢化萘等。
术语“杂芳基”是指单环或稠合多环体系,其中含有至少一个(例如1个、2个或1至3个)选自N、O、S的杂原子作为环原子,其余环原子为C,并且具有至少一个芳香环。杂芳基可以为含有1至3个独立地选自N、O和S的杂原子的5至10元环。优选的杂芳基具有单个5至8元环,或包含6至14个,尤其是6至10个环原子的多个稠合环。杂芳基的非限制性实例包括但不限于吡咯基、呋喃基、噻吩基、咪唑基、噁唑基、吡唑基、吡啶基、嘧啶基、吡嗪基、喹啉基、异喹啉基、四唑基、三唑基、三嗪基、苯并呋喃基、苯并噻吩基、吲哚基、异吲哚基等。
术语“预防”意为预防疾病或疾病状态在哺乳动物中出现,特别是当这类哺乳动物易患有该疾病状态,但尚未被诊断为已患有该疾病状态时。
术语“治疗”意为将本申请所述化合物或制剂进行给药以改善或消除疾病或与所述疾病相关的一个或多个症状,且包括:
(i)抑制疾病或疾病状态,即遏制其发展;
(i)缓解疾病或疾病状态,即使该疾病或疾病状态消退。
术语“治疗有效量”意指(i)治疗或预防特定疾病、病况或障碍,(ii)减轻、改善或消除特定疾病、病况或障碍的一种或多种症状,或(iii)预防或延迟本文中所述的特定疾病、病况或障碍的一种或多种症状发作的本申请化合物的用量。构成“治疗有效量”的本申请化合物的量取决于该化合物、疾病状态及其严重性、给药方式以及待被治疗的哺乳动物的年龄而改变,但可例行性地由本领域技术人员根据其自身的知识及本公开内容而确定。
术语“药学上可接受的”,是针对那些化合物、材料、组合物和/或剂型而言,它们在可靠的医学判断的范围之内,适用于与人类和动物的组织接触使用,而没有过多的毒性、刺激性、过敏性反应或其它问题或并发症,与合理的利益/风险比相称。
作为药学上可接受的盐,例如,可以为金属盐、铵盐、与有机碱形成的盐、与无机酸形成的盐、与有机酸形成的盐、与碱性或者酸性氨基酸形成的盐等。
术语“药物组合物”是指一种或多种本申请的化合物或其盐与药学上可接受的辅料组成的混合物。药物组合物的目的是有利于对有机体给予本申请的化合物。
术语“药学上可接受的辅料”是指对有机体无明显刺激作用,而且不会损害该活性化合物的生物活性及性能的那些辅料。合适的辅料是本领域技术人员熟知的,例如碳水化合物、蜡、水溶性和/或水可膨胀的聚合物、亲水性或疏水性材料、明胶、油、溶剂、水等。
词语“包括(comprise)”或“包含(comprise)”及其英文变体例如comprises或comprising应理解为开放的、非排他性的意义,即“包括但不限于”。
本申请的化合物和中间体还可以以不同的互变异构体形式存在,并且所有这样的形式包含于本申请的范围内。术语“互变异构体”或“互变异构体形式”是指可经由低能垒互变的不同能量的结构异构体。例如,质子互变异构体(也称为质子转移互变异构体)包括经由质子迁移的互变,如酮-烯醇及亚胺-烯胺异构化。质子互变异构体的具体实例是咪唑部分,其中质子可在两个环氮间迁移。价互变异构体包括通过一些成键电子的重组的互变。
本申请化合物可以是不对称的,例如,具有一个或多个立体异构体。除非另有说明,所有立体异构体都包括,如对映异构体和非对映异构体。本申请的含有不对称碳原子的化合物可以以光学活性纯的形式或外消旋形式被分离出来。光学活性纯的形式可以从外消旋混合物拆分,或通过使用手性原料或手性试剂合成。
本申请的化合物可以存在特定的几何异构体或立体异构体形式。本申请设想所有的这类化合物,包括互变异构体、顺式和反式异构体、(-)-和(+)-对映体、(R)-和(S)-对映体、非对映异构体、(D)-异构体、(L)-异构体,及其外消旋混合物和其他混合物,例如对映异构体或非对映体富集的混合物,所有这些都属于本申请的范围之内。烷基等取代基中可以存在另外的不对称碳原子。所有这些异构体以及它们的混合物均包括在本申请的范围之内。
本申请的药物组合物可通过将本申请的化合物与适宜的药学上可接受的辅料组合而制备,例如可配制成固态、半固态、液态或气态制剂,如片剂、丸剂、胶囊剂、粉剂、颗粒剂、膏剂、乳剂、悬浮剂、栓剂、注射剂、吸入剂、凝胶剂、微球及气溶胶等。
给予本申请化合物或其药学上可接受的盐或其药物组合物的典型途径包括但不限于口服、直肠、局部、吸入、肠胃外、舌下、阴道内、鼻内、眼内、腹膜内、肌内、皮下、静脉内给药。
本申请的药物组合物可以采用本领域众所周知的方法制造,如常规的混合法、溶解法、制粒法、制糖衣药丸法、磨细法、乳化法、冷冻干燥法等。
在一些实施方案中,药物组合物是口服形式。对于口服给药,可以通过将活性化合物与本领域熟知的药学上可接受的辅料混合,来配制该药物组合物。这些辅料能使本申请的化合物被配制成片剂、丸剂、锭剂、糖衣剂、胶囊剂、液体、凝胶剂、浆剂、悬浮剂等,用于对患者的口服给药。
可以通过常规的混合、填充或压片方法来制备固体口服组合物。例如,可通过下述方法获得:将所述的活性化合物与固体辅料混合,任选地碾磨所得的混合物,如果需要则加入其它合适的辅料,然后将该混合物加工成颗粒,得到了片剂或糖衣剂的核心。适合的辅料包括但不限于:粘合剂、稀释剂、崩解剂、润滑剂、助流剂、甜味剂或矫味剂等。
药物组合物还可适用于肠胃外给药,如合适的单位剂型的无菌溶液剂、混悬剂或冻干产品。
本文所述的通式I化合物的所有施用方法中,每天给药的剂量为0.01到200mg/kg体重,以单独或分开剂量的形式。
本申请的化合物可以通过本领域技术人员所熟知的多种合成方法来制备,包括下面列举的具体实施方式、其与其他化学合成方法的结合所形成的实施方式以及本领域技术上人员所熟知的等同替换方式,优选的实施方式包括但不限于本申请的实施例。
本申请具体实施方式的化学反应是在合适的溶剂中完成的,所述的溶剂须适合于本申请的化学变化及其所需的试剂和物料。为了获得本申请的化合物,有时需要本领域技术人员在已有实施方式的基础上对合成步骤或者反应流程进行修改或选择。
本领域合成路线规划中的一个重要考量因素是为反应性官能团(如本申请中的羟基)选择合适的保护基,例如,可参考Greene′s Protective Groups in OrganicSynthesis(4th Ed).Hoboken,New Jersey:John Wiley&Sons,Inc.本申请引用的所有参考文献整体上并入本申请。
在一些实施方案中,本申请通式II的化合物可以由有机合成领域技术人员通过以下路线来制备:
本申请采用下述缩略词:
Bz代表苯甲酰基;DMTr代表4,4′-二甲氧基三苯基甲基;Me代表甲基;TBDPS代表叔丁基二苯基硅烷基;DMSO代表二甲基亚砜。
为清楚起见,进一步用实施例来阐述本发明,但是实施例并非限制本申请的范围。本申请所使用的所有试剂是市售的,无需进一步纯化即可使用。
具体实施方案
实施例1:O-(((1R,3S,5S)-3-(2-氨基-6-氧代-1,6-二氢-9H-嘌呤-9-基)-5-羟基-2-亚甲基环戊基)甲基)O-((2R,3R,4R,5R)-5-(2,4-二氧代-3,4-二氢嘧啶-1(2H)-基)-2-羟甲基-4-甲氧基四氢呋喃-3-基)硫代磷酸铵
步骤1:N-(9-((1S,3R,4S)-4-羟基-3-羟甲基-2-亚甲基环戊基)-6-氧代-6,9-二氢-1H-嘌呤-2-基)苯甲酰胺
将2-氨基-9-((1S,3R,4S)-4-羟基-3-羟甲基-2-亚甲基环戊基)-1,9-二氢-6H-嘌呤-6-酮(5.0g)与吡啶(80ml)混合。冰浴降温,将三甲基氯硅烷(14.69g)滴加至其中,滴毕室温反应3h。冰浴降温,缓慢滴加苯甲酰氯(4.31g),加毕室温反应过夜。反应液冰浴降温至0℃,缓慢加入水(50ml),0℃下搅拌30min。移去冰浴,向反应液加入氨水(85g),室温搅拌30min。将反应液减压浓缩,所得浓缩物加入水(50ml)打浆。过滤,滤饼依次以水和乙醚洗涤,干燥得到标题化合物(5.8g)。MS(ESI)m/z:380.3[M-H]-.
步骤2:(2R,3R,4R,5R)-2-((双(4-甲氧基苯基)(苯基)甲氧基)甲基)-5-(2,4-二氧代-3,4-二氢嘧啶-1(2H)-基)-4-甲氧基四氢呋喃-3-基(2-氰基乙基)二异丙基亚磷酰胺
向反应瓶中加入1-((2R,3R,4R,5R)-5-((双(4-甲氧基苯基)(苯基)甲氧基)甲基)-4-羟基-3-甲氧基四氢呋喃-2-基)嘧啶-2,4(1H,3H)-二酮(1.0g),氮气置换后加入二氯甲烷(20ml)。依次将((双(二异丙基氨基)膦基)氧基)丙腈(0.64g)、三氟乙酸吡啶盐(0.41g)的二氯甲烷溶液(10ml)滴加入反应液中,室温反应3h。反应液浓缩,粗品经柱层析(石油醚∶乙酸乙酯=2∶1)纯化,得到标题化合物(1.2g)。MS(ESI)m/z:783.4[M+Na]+.
步骤3:((1R,3S,5S)-3-(2-苯甲酰氨基-6-氧代-1,6-二氢-9H-嘌呤-9-基)-5-羟基-2-亚甲基环戊基)甲基((2R,3R,4R,5R)-2-((双(4-甲氧基苯基)(苯基)甲氧基)甲基)-5-(2,4-二氧代-3,4-二氢嘧啶-1(2H)-基)-4-甲氧基四氢呋喃-3-基)(2-氰基乙基)亚磷酸酯
将N-(9-((1S,3R,4S)-4-羟基-3-羟甲基-2-亚甲基环戊基)-6-氧代-6,9-二氢-1H-嘌呤-2-基)苯甲酰胺(1.263g)溶于无水乙腈(10ml)和无水N,N-二甲基甲酰胺(5ml)的混合溶剂中,加入无水乙腈(10ml×3)共沸3次。氮气保护下,依次将(2R,3R,4R,5R)-2-((双(4-甲氧基苯基)(苯基)甲氧基)甲基)-5-(2,4-二氧代-3,4-二氢嘧啶-1(2H)-基)-4-甲氧基四氢呋喃-3-基(2-氰基乙基)二异丙基亚磷酰胺(2.4g)的无水乙腈(10ml)溶液、0.45M1H-四唑(0.4g)的乙腈溶液(12.69ml)滴加入反应液中,室温反应2h。反应液浓缩,粗品经柱层析(二氯甲烷∶甲醇=95∶5)纯化,得到标题化合物(1.41g)。
步骤4:O-(((1R,3S,5S)-3-(2-苯甲酰氨基-6-氧代-1,6-二氢-9H-嘌呤-9-基)-5-羟基-2-亚甲基环戊基)甲基)O-((2R,3R,4R,5R)-2-((双(4-甲氧基苯基)(苯基)甲氧基)甲基)-5-(2,4-二氧代-3,4-二氢嘧啶-1(2H)-基)-4-甲氧基四氢呋喃-3-基)O-(2-氰基乙基)硫代磷酸酯
反应瓶中,将((1R,3S,5S)-3-(2-苯甲酰氨基-6-氧代-1,6-二氢-9H-嘌呤-9-基)-5-羟基-2-亚甲基环戊基)甲基((2R,3R,4R,5R)-2-((双(4-甲氧基苯基)(苯基)甲氧基)甲基)-5-(2,4-二氧代-3,4-二氢嘧啶-1(2H)-基)-4-甲氧基四氢呋喃-3-基)(2-氰基乙基)亚磷酸酯(0.90g)溶于无水乙腈(5ml)。氮气保护下,将3H-苯并[c][1,2]二硫醇-3-酮1,1-二氧化物(0.177g)的无水乙腈(3ml)溶液滴入反应液中,室温反应1h。反应液浓缩,粗品经柱层析(二氯甲烷∶甲醇=90∶10)纯化,得到标题化合物(0.7g)。
步骤5:O-(((1R,3S,5S)-3-(2-苯甲酰氨基-6-氧代-1,6-二氢-9H-嘌呤-9-基)-5-羟基-2-亚甲基环戊基)甲基)O-(2-氰乙基)O-((2R,3R,4R,5R)-5-(2,4-二氧代-3,4-二氢嘧啶-1(2H)-基)-2-羟甲基-4-甲氧基四氢呋喃-3-基)硫代磷酸酯
将O-(((1R,3S,5S)-3-(2-苯甲酰氨基-6-氧代-1,6-二氢-9H-嘌呤-9-基)-5-羟基-2-亚甲基环戊基)甲基)O-((2R,3R,4R,5R)-2-((双(4-甲氧基苯基)(苯基)甲氧基)甲基)-5-(2,4-二氧代-3,4-二氢嘧啶-1(2H)-基)-4-甲氧基四氢呋喃-3-基)O-(2-氰基乙基)硫代磷酸酯(0.7)溶于二氯甲烷(8ml),向反应液滴加二氯乙酸(0.129g)的二氯甲烷(1ml)溶液,室温反应4h。冰浴降温,向反应液滴加三乙胺调pH至中性。反应液浓缩,粗品经柱层析(二氯甲烷∶甲醇=90∶10)纯化,得到标题化合物(0.25g)。MS(ESI)m/z:771.5[M+H]+.
步骤6:O-(((1R,3S,5S)-3-(2-氨基-6-氧代-1,6-二氢-9H-嘌呤-9-基)-5-羟基-2-亚甲基环戊基)甲基)O-((2R,3R,4R,5R)-5-(2,4-二氧代-3,4-二氢嘧啶-1(2H)-基)-2-羟甲基-4-甲氧基四氢呋喃-3-基)硫代磷酸铵
向反应瓶中依次加入O-(((1R,3S,5S)-3-(2-苯甲酰氨基-6-氧代-1,6-二氢-9H-嘌呤-9-基)-5-羟基-2-亚甲基环戊基)甲基)O-(2-氰乙基)O-((2R,3R,4R,5R)-5-(2,4-二氧代-3,4-二氢嘧啶-1(2H)-基)-2-羟甲基-4-甲氧基四氢呋喃-3-基)硫代磷酸酯(210mg)和氨水(28%)(1ml),室温下反应5天。冰浴下向反应液中滴加50%醋酸溶液,调节pH至8左右。反应液用乙酸乙酯萃取两次,分取水相,水相用Biotage C18 30g反相色谱柱进行分离纯化(水∶乙腈=3∶1)得标题化合物(120mg)。1H NMR(500MHz,DMSO-d6):δ11.35(s,1H),10.52(s,1H),7.92(dd,J=5.0Hz,8.0Hz,1H),7.71(d,J=3.0Hz,1H),7.18(brs,4H),6.43(s,2H),5.88(d,J=6.0Hz,1H),5.69(d,J=8.5Hz,1H),5.37(m,1H),5.26(d,J=5.0Hz,1H),5.13(s,1H),4.93(s,1H),4.77(m,1H),4.57(d,J=7.0Hz,1H),4.29(s,1H),4.22(d,J=2.5Hz,1H),4.07(d,J=9.5Hz,1H),3.90(t,J=6.0Hz,2H),3.65(s,2H),3.38(s,3H),2.69(s,1H),2.37(m,1H),2.04(m,1H).MS(ESI)m/z:614.5[M+H]+.
实施例2:O-(((1R,3S,5S)-3-(2-氨基-6-氧代-1H-嘌呤-9(6H)-基)-5-羟基-2-亚甲基环戊基)甲基)O-((2R,4R,5R)-5-(2,4-二氧代-3,4-二氢嘧啶-1(2H)-基)-2-羟甲基-4-甲氧基四氢呋喃-3-基)(S)-硫代磷酸钠
步骤1:(2S,3aS,6R,7aS)-3a-甲基-2-((全氟苯基)硫代)-6-(丙-1-烯-2-基)六氢苯并[d][1,3,2]氧硫杂磷杂环戊烷2-硫化物
反应瓶中,依次将三乙胺双(全氟苯基)二硫代磷酸酯(126g),(1R,4R,6S)-1-甲基-4-(丙-1-烯-2-基)-7-氧杂二环[4.1.0]庚烷(48.3g),磷酸氢二丁酯(48.9g)加至氯仿(1200ml)中,然后将2,2-二氯乙酸(60.0g)缓慢滴加至上述溶液中,室温反应1h。将反应液浓缩至500ml后,向反应液中加入1000ml正己烷稀释,后分别10%的磷酸二氢钾溶液和饱和食盐水洗涤。将有机相浓缩至200ml,加入200ml甲醇,继续浓缩至50ml后加入200ml甲醇,再浓缩至50ml,析出固体。冰浴降温至0℃后过滤。得粗品93.48g。将粗品(93.48g)溶于225ml二氯甲烷中,后加入正庚烷374ml,粗品完全溶解。将溶液浓缩至200ml,再加入正庚烷374ml,此操作重复3次。将溶液浓缩至200ml后析出大量固体,室温搅拌2h。过滤,滤饼干燥得到标题化合物(62.58g)。1H NMR(500MHz,CDCl3):δ5.04(s,1H),4.87(s,1H),4.30-4.280(m,1H),2.63(s,1H),2.37-2.34(m,1H),2.07-1.85(m,4H),1.81(s,3H),1.79-1.73(m,1H),1.68(s,3H).
步骤2:1-((2R,3R,4R,5R)-5-(((叔丁基二苯基硅烷基)氧基)甲基)-3-甲氧基-4-(((2R,3aS,6R,7aS)-3a-甲基-6-(丙-1-烯-2-基)-2-磺酰基六氢苯并[d][1,3,2]氧硫杂磷杂环戊烷-2-氧基)氧基)四氢呋喃-2-基)嘧啶-2,4(1H,3H))-二酮
将1-((2R,3R,4R,5R)-5-(((叔丁基二苯基硅烷基)氧基)甲基)-4-羟基-3-甲氧基四氢呋喃-2-基)嘧啶-2,4(1H,3H)-二酮(6.44g)和(2S,3aS,6R,7aS)-3a-甲基-2-((全氟苯基)硫代)-6-(丙-1-烯-2-基)六氢苯并[d][1,3,2]氧硫杂磷杂环戊烷2-硫化物(7.5g)溶于乙腈(156ml),冰浴降温至0℃。加入2,3,4,6,7,8,9,10-八氢嘧啶并[1,2-a]氮杂(2.57g),0℃条件下搅拌反应5h。反应液中加入乙酸乙酯稀释,依次以纯化水和10%磷酸二氢钾溶液洗涤。有机相以无水硫酸钠干燥,过滤后将有机相浓缩得粗品。经柱层析(石油醚∶乙酸乙酯=1∶1)纯化,得到标题化合物(4.53g)。1H-NMR(500MHz,CDCl3):δ8.72(s,1H),7.85(d,J=8.0Hz,1H),7.69-7.64(m,4H),7.48-7.40(m,6H),6.11(d,J=5.0Hz,1H),5.42-5.37(m,2H),5.05(s,1H),4.91(s,1H),4.59-4.55(m,1H),4.27(d,J=4.5Hz,1H),4.04-4.01(m,1H),3.97(t,J=5.0Hz,1H),3.89-3.86(m,1H),3.52(s,3H),2.59(s,1H),2.28(d,J=14.0Hz,1H),2.18-2.12(m,1H),1.98-1.90(m,3H),1.78(m,4H),1.71(s,3H),1.11(s,9H).
步骤3:O-(((1R,3S,5S)-3-(2-苯甲酰基-6-氧代-1,6-二氢-9H-嘌呤-9-基)-5-((叔丁基二苯基硅烷基)氧基)-2-亚甲基环戊基)甲基)O-((2R,3R,4R,5R)-2-(((叔丁基二苯基甲硅烷基)氧基)甲基)-5-(2,4-二氧代-3,4-二氢嘧啶-1)(2H)-基)-4-甲氧基四氢呋喃-3-基)O-氢(S)-硫代磷酸酯
向反应瓶中,依次加入1-((2R,3R,4R,5R)-5-(((叔丁基二苯基硅烷基)氧基)甲基)-3-甲氧基-4-(((2R,3aS,6R,7aS)-3a-甲基-6-(丙-1-烯-2-基)-2-磺酰基六氢苯并[d][1,3,2]氧硫杂磷杂环戊烷-2-氧基)氧基)四氢呋喃-2-基)嘧啶-2,4(1H,3H))-二酮(4.5g),N-(9-((1S,3R,4S)-4-((叔丁基二苯基硅烷基)氧基)-3-(羟甲基)-2-亚甲基环戊基)-6-氧代-6,9-二氢-1H-嘌呤吡啶-2-基)苯甲酰胺(7.51g),后加入无水乙腈,共沸除水,重复两次。加入乙腈(52ml),室温下缓慢滴入2,3,4,6,7,8,9,10-八氢嘧啶并[1,2-a]氮杂(2.77g)。反应3h后加入乙酸乙酯稀释,有机相依次以饱和碳酸氢钠溶液和饱和食盐水洗涤,有机层以无水硫酸钠干燥。粗品经柱层析(二氯甲烷∶甲醇=10∶1)纯化,得到标题化合物(5.24g)。1H NMR(500MHz,DMSO-d6):δ12.53(s,1H),12.40(s,1H),11.42(d,J=2.0Hz,1H),8.23-8.14(m,2H),7.68-7.53(m,10H),7.51-7.34(m,15H),5.88(d,J=6.0Hz,1H),5.59(t,J=10.0Hz,1H),5.25(d,J=8.0Hz,1H),5.12(s,1H),4.96(m,1H),4.71(s,1H),4.67(s,1H),4.20(d,J=9.0Hz,1H),4.12(d,J=3.5Hz,1H),3.87-3.77(m,1H),3.76(s,2H),3.57-3.52(m,1H),3.47(t,J=6.0Hz,1H),3.26(s,3H),2.05-1.96(m,1H),1.91(m,1H),1.03(s,9H),1.01(s,9H).
步骤4:O-(((1R,3S,5S)-3-(2-苯甲酰氨基-6-氧代-1,6-二氢-9H-嘌呤-9-基)-5-羟基-2-亚甲基环戊基)甲基)O-((2R,3R,4R,5R)-2-羟甲基-5-(2,4-二氧代-3,4-二氢嘧啶-1(2H)-基)-4-甲氧基四氢呋喃-3-基)(S)-硫代磷酸四丁基铵
向反应瓶中,依次加入O-(((1R,3S,5S)-3-(2-苯甲酰基-6-氧代-1,6-二氢-9H-嘌呤-9-基)-5-((叔丁基二苯基硅烷基)氧基)-2-亚甲基环戊基)甲基)O-((2R,3R,4R,5R)-2-(((叔丁基二苯基甲硅烷基)氧基)甲基)-5-(2,4-二氧代-3,4-二氢嘧啶-1(2H))-(4-甲氧基四氢呋喃-3-基)O-氢(S)-硫代磷酸酯(5.2g)、四丁基氟化铵三水合物(3.43g)和四氢呋喃(35ml),室温搅拌反应40h,向反应液中加入水(100ml),然后用乙醚(50ml)萃取两次。将水相浓缩得到标题化合物7.09g,未经处理直接投入下一步。
步骤5:O-(((1R,3S,5S)-3-(2-氨基-6-氧代-1,6-二氢-9H-嘌呤-9-基)-5-羟基-2-亚甲基环戊基)甲基)O-((2R,3R,4R,5R)-5-(2,4-二氧代-3,4-二氢嘧啶-1(2H)-基)-2-羟甲基-4-甲氧基四氢呋喃-3-基)(S)-硫代磷酸四丁基铵
向反应瓶中依次加入O-(((1R,3S,5S)-3-(2-苯甲酰氨基-6-氧代-1,6-二氢-9H-嘌呤-9-基)-5-羟基-2-亚甲基环戊基)甲基)O-((2R,3R,4R,5R)-2-羟甲基-5-(2,4-二氧代-3,4-二氢嘧啶-1(2H)-基)-4-甲氧基四氢呋喃-3-基)(S)-硫代磷酸四丁基铵(7g)和氨水(50ml),混合物加热至50℃搅拌反应68h。冰浴下向反应液中滴加50%醋酸水溶液,调节pH至8左右。反应液用乙酸乙酯萃取两次,分取水相,水相用Biotage C18 120g反相色谱柱进行分离纯化(水∶乙腈=3∶1)得到标题化合物(3.39g)。MS(ESI)m/z:614.5[M+H]+.
步骤6:O-(((1R,3S,5S)-3-(2-氨基-6-氧代-1,6-二氢-9H-嘌呤-9-基)-5-羟基-2-亚甲基环戊基)甲基)O-((2R,3R,4R,5R)-5-(2,4-二氧代-3,4-二氢嘧啶-1(2H)-基)-2-羟甲基-4-甲氧基四氢呋喃-3-基)(S)-硫代磷酸钠
向反应瓶中,依次加入O-(((1R,3S,5S)-3-(2-氨基-6-氧代-1,6-二氢-9H-嘌呤-9-基)-5-羟基-2-亚甲基环戊基)甲基)O-((2R,3R,4R,5R)-5-(2,4-二氧代-3,4-二氢嘧啶-1(2H)-基)-2-羟甲基-4-甲氧基四氢呋喃-3-基)(S)-硫代磷酸四丁基铵(0.2g)、钠离子交换树脂(4g)及去离子水(4ml),室温搅拌1h。过滤,水相用Biotage C18 120g反相色谱柱进行分离纯化(水∶乙腈=3∶1)得到标题化合物(80mg)1H NMR(500MHz,DMSO-d6):δ10.69(br,1H),7.91(dd,J=8.5,2.5Hz,1H),7.72-7.09(m,1H),6.45(s,2H),5.86(d,J=5.7Hz,1H),5.71-5.60(m,1H),5.36-5.27(m,2H),5.11(s,1H),4.94(d,J=3.0Hz,1H),4.76(d,J=11.0Hz,1H),4.55(s,1H),4.28(s,1H),4.21(s,1H),4.01(q,J=9.0Hz,1H),3.95-3.79(m,2H),3.65(s,2H),3.38(s,3H),2.70(s,1H),2.34(s,1H),2.06-1.98(m,2H).MS(ESI)m/z:614.5[M+H]+.
实施例3:O-(((1R,3S,5S)-3-(2-氨基-6-氧代-1,6-二氢-9H-嘌呤-9-基)-5-羟基-2-亚甲基环戊基)甲基)O-((2R,3R,4R,5R)-5-(2,4-二氧代-3,4-二氢嘧啶-1(2H)-基)-2-羟甲基-4-(2-甲氧基乙氧基)四氢呋喃-3-基)(S)-硫代磷酸钠
步骤1:1-((2R,3R,4R,5R)-5-(((叔丁基二苯基硅烷基)氧基)甲基)-3-(2-甲氧基乙氧基)-4-(((2R,3aS,6R,7aS)-3a-甲基-6-(丙-1-烯-2-基)-2-磺酰基六氢苯并[d][1,3,2]氧硫杂磷杂环戊烷-2-基)氧基)四氢呋喃-2-基)嘧啶-2,4-(1H,3H)-二酮
将1-((2R,3R,4R,5R)-5-(((叔丁基二苯基硅烷基)氧基)甲基)-4-羟基-3-(2-甲氧基乙氧基)四氢呋喃-2-基)嘧啶-2,4(1H,3H)-二酮(35g)和(2S,3aS,6R,7aS)-3a-甲基-2-((全氟苯基)硫代)-6-(丙-1-烯-2-基)六氢苯并[d][1,3,2]氧硫杂磷杂环戊烷2-硫化物(37.6g)溶于乙腈(645ml),冰浴降温。缓慢滴加2,3,4,6,7,8,9,10-八氢嘧啶并[1,2-a]氮杂卓(12.81g)至上述反应液。冰浴条件下继续反应2h。反应液依次以纯化水和10%磷酸二氢钾溶液洗涤。有机相以无水硫酸钠干燥,过滤浓缩得粗品,经柱层析(石油醚∶乙酸乙酯=1∶1)纯化,得到标题化合物(49.23g)。1H NMR(500MHz,CDCl3)δ8.92(s,1H),7.80(d,J=8.2Hz,1H),7.70-7.63(m,4H),7.48-7.38(m,6H),6.12(d,J=5.5Hz,1H),5.41-5.45(m,1H),5.38(dd,J=8.3,1.9Hz,1H),5.05(s,1H),4.92(s,1H),4.55-4.59(m,1H),4.32-4.22(m,2H),3.98(dd,J=11.9,2.0Hz,1H),3.90-3.79(m,3H),3.54(t,J=4.5Hz,2H),3.30(s,3H),2.59(s,1H),2.33-2.24(m,1H),2.14(td,J=13.4,4.2Hz,1H),2.00-1.88(m,3H),1.79(s,3H),1.71(d,J=4.9Hz,3H),1.11(s,9H),0.91-0.82(m,1H).
步骤2:O-(((1R,3S,5S)-3-(2-苯甲酰基-6-氧代-1,6-二氢-9H-嘌呤-9-基)-5-((叔丁基二苯基硅烷基)氧基)-2-亚甲基环戊基)甲基)O-((2R,3R,4R,5R)-2-(((叔丁基二苯基甲硅烷基)氧基)甲基)-5-(2,4-二氧代-3,4-二氢嘧啶-1(2H)-基)-4-(2-甲氧基乙氧基)四氢呋喃-3-基)O-氢(S)-硫代磷酸酯
1-((2R,3R,4R,5R)-5-(((叔丁基二苯基硅烷基)氧基)甲基)-3-(2-甲氧基乙氧基)-4-(((2R,3aS,6R,7aS)-3a-甲基-6-(丙-1-烯-2-基)-2-磺酰基六氢苯并[d][1,3,2]氧硫杂磷杂环戊烷-2-基)氧基)四氢呋喃-2-基)嘧啶-2,4(1H,3H)-二酮(1.5g)和N-(9-((1S,3R,4S)-4-((叔丁基二苯基硅烷基)氧基)-3-羟甲基-2-亚甲基环戊基)-6-氧代-6,9-二氢-1H-嘌呤吡啶-2-基)苯甲酰胺(2.36g)溶于乙腈(20ml),室温下加入2,3,4,6,7,8,9,10-八氢嘧啶并[1,2-a]氮杂卓(0.87g),搅拌反应2h。反应液以乙酸乙酯稀释,依次以饱和碳酸氢钠溶液及饱和食盐水洗涤,有机相以无水硫酸钠干燥,过滤浓缩得粗品,经柱层析(二氯甲烷∶甲醇=10∶1)纯化,得到标题化合物(1.98g)。1H-NMR(500MHz,DMSO-d6):δ12.57(s,1H),12.41(s,1H),11.41(s,1H),8.21-8.18(m,3H),7.66-7.61(m,8H),7.57-7.54(m,2H),7.47(t,J=7.5Hz,3H),7.43-7.38(m,11H),5.86(d,J=6.0Hz,1H),5.59(t,J=9.5Hz,1H),5.22(d,J=8.0Hz,1H),5.12(s,1H),4.91-4.89(m,1H),4.71(s,1H),4.67(s,1H),4.23(s,1H),4.11(s,1H),3.98(t,J=5.5Hz,1H),3.75-3.69(m,4H),3.46-3.45(m,1H),3.27-3.26(m,2H),3.10(s,3H),2.90(s,1H),2.79(s,1H),2.04-2.00(m,1H),1.04(s,9H),1.00(s,9H).
步骤3:O-(((1R,3S,5S)-3-(2-苯甲酰氨基-6-氧代-1,6-二氢-9H-嘌呤-9-基)-5-羟基-2-亚甲基环戊基)甲基)O-((2R,3R,4R,5R)-5-(2,4-二氧代-3,4-二氢嘧啶-1(2H)-基)-2-羟甲基-4-(2-甲氧基乙氧基)四氢呋喃-3-基)(S)-硫代磷酸四丁基铵
向反应瓶中依次加入O-(((1R,3S,5S)-3-(2-苯甲酰基-6-氧代-1,6-二氢-9H-嘌呤-9-基)-5-((叔丁基二苯基硅烷基)氧基)-2-亚甲基环戊基)甲基)O-((2R,3R,4R,5R)-2-(((叔丁基二苯基甲硅烷基)氧基)甲基)-5-(2,4-二氧代-3,4-二氢嘧啶-1(2H)-基)-4-(2-甲氧基乙氧基)四氢呋喃-3-基)O-氢(S)-硫代磷酸酯(1.80g),四丁基氟化铵三水合物(1.38g)和四氢呋喃(20ml),室温反应过夜。反应液用水稀释,乙醚洗涤,水相浓缩得到标题化合物2.40g,未经纯化直接投入下一步。
步骤4:O-(((1R,3S,5S)-3-(2-氨基-6-氧代-1,6-二氢-9H-嘌呤-9-基)-5-羟基-2-亚甲基环戊基)甲基)O-((2R,3R,4R,5R)-5-(2,4-二氧代-3,4-二氢嘧啶-1(2H)-基)-2-羟甲基-4-(2-甲氧基乙氧基)四氢呋喃-3-基)(S)-硫代磷酸四丁基铵
将O-(((1R,3S,5S)-3-(2-苯甲酰氨基-6-氧代-1,6-二氢-9H-嘌呤-9-基)-5-羟基-2-亚甲基环戊基)甲基)O-((2R,3R,4R,5R)-5-(2,4-二氧代-3,4-二氢嘧啶-1(2H)-基)-2-羟甲基-4-(2-甲氧基乙氧基)四氢呋喃-3-基)(S)-硫代磷酸四丁基铵(2.40g)溶于氨水(15ml),室温反应24h。冰浴下,反应液用50%醋酸水溶液调节pH至8,乙酸乙酯洗涤。分取水相,水相用Biotage C18 120g反相色谱柱进行分离纯化(水∶乙腈=3∶1)得到标题化合物(0.91g)。MS(ESI)m/z:656.7[M-H]-.
步骤5:O-(((1R,3S,5S)-3-(2-氨基-6-氧代-1,6-二氢-9H-嘌呤-9-基)-5-羟基-2-亚甲基环戊基)甲基)O-((2R,3R,4R,5R)-5-(2,4-二氧代-3,4-二氢嘧啶-1(2H)-基)-2-羟甲基-4-(2-甲氧基乙氧基)四氢呋喃-3-基)(S)-硫代磷酸钠
将O-(((1R,3S,5S)-3-(2-氨基-6-氧代-1,6-二氢-9H-嘌呤-9-基)-5-羟基-2-亚甲基环戊基)甲基)O-((2R,3R,4R,5R)-5-(2,4-二氧代-3,4-二氢嘧啶-1(2H)-基)-2-羟甲基-4-(2-甲氧基乙氧基)四氢呋喃-3-基)(S)-硫代磷酸四丁基铵(0.35g)溶于去离子水(7ml),向其中加入钠型离子交换树脂(7g),室温搅拌1h后过滤,水相用Biotage C18 120g反相色谱柱进行分离纯化(水∶乙腈=3∶1)得到标题化合物(0.17g)。1H-NMR(500MHz,DMSO-d6):δ10.87(brs,2H),7.91(d,J=8.0Hz,1H),7.71(s,1H),6.46(s,2H),5.85(d,J=5.5Hz,1H),5.67(d,J=8.5Hz,1H),5.38-5.33(m,1H),5.27(t,J=5.0Hz,1H),5.11(s,1H),4.94(s,1H),4.74-4.72(m,1H),4.55(s,1H),4.27(s,1H),4.20(s,1H),4.05-3.98(m,2H),3.94-3.85(m,2H),3.65(s,2H),3.61-3.57(m,1H),3.43-3.42(m,2H),3.20(s,3H),2.70(s,1H),2.39-2.34(m,1H),2.06-2.02(m,1H).MS(ESI)m/z:656.7[M-H]-.
实施例4:O-(((1R,3S,5S)-3-(2-氨基-6-氧代-1,6-二氢-9H-嘌呤-9-基)-5-羟基-2-亚甲基环戊基)甲基)O-((2R,3R,4R,5R)-5-(2,4-二氧代-3,4-二氢嘧啶-1(2H)-基)-4-氟-2-羟甲基-4-甲基四氢呋喃-3-基)(S)-硫代磷酸钠
步骤1:1-((2R,3R,4R,5R)-5-(((叔丁基二苯基硅烷基)氧基)甲基)-3-氟-4-羟基-3-甲基四氢呋喃-2-基)嘧啶-2,4(1H,3H)-二酮
将1-((2R,3R,4R,5R)-3-氟-4-羟基-5-羟甲基-3-甲基四氢呋喃-2-基)嘧啶-2,4(1H,3H)-二酮(5g)和4-二甲氨基吡啶(0.469g)溶于吡啶(20ml),向其中缓慢滴加叔丁基二苯基氯硅烷(6.47g)。室温搅拌12小时后,反应液用乙酸乙酯稀释,饱和氯化铵溶液洗涤。有机相以无水硫酸钠干燥,过滤浓缩得粗品,经柱层析(二氯甲烷∶甲醇=20∶1)纯化,得到标题化合物(9.22g)。1H-NMR(500MHz,DMSO-d6):δ11.54(s,1H),7.76(d,J=8.0Hz,1H),7.68(d,J=7.0Hz,2H),7.63(d,J=6.5Hz,2H),7.51-7.41(m,6H),6.08(d,J=19.0Hz,1H),5.85(s,1H),5.11(brs,1H),4.11-4.05(m,1H),4.03-3.96(m,2H),3.94-3.89(m,1H),1.31(d,J=22.5Hz,3H),1.01(s,9H).
步骤2:1-((2R,3R,4R,5R)-5-(((叔丁基二苯基硅烷基)氧基)甲基)-3-氟-3-甲基-4-(((2R,3aS,6R,7aS)-3a-甲基-6-(丙-1-烯-2-基)-2-硫代六氢苯并[d][1,3,2]氧硫杂磷杂环戊烷-2-基)氧基)四氢呋喃-2-基)嘧啶-2,4(1H,3H)-二酮
1-((2R,3R,4R,5R)-5-(((叔丁基二苯基硅烷基)氧基)甲基)-3-氟-4-羟基-3-甲基四氢呋喃-2-基)嘧啶-2,4(1H,3H)-二酮(0.9g)和(2S,3aS,6R,7aS)-3a-甲基-2-((全氟苯基)硫代)-6-(丙-1-烯-2-基)六氢苯并[d][1,3,2]氧硫杂磷杂环戊烷2-硫化物(1.048g)溶于乙腈(16ml),0℃下加入2,3,4,6,7,8,9,10-八氢嘧啶并[1,2-a]氮杂卓(0.357g),搅拌反应30分钟。反应液用乙酸乙酯稀释,10%磷酸二氢钾溶液洗涤。有机相以无水硫酸钠干燥,过滤浓缩得粗品,经柱层析(石油醚∶乙酸乙酯=1∶1)纯化,得到标题化合物(1.26g)。1H-NMR(500MHz,CDCl3):δ9.59(s,1H),7.58(d,J=8.0Hz,1H),7.72(d,J=7.0Hz,2H),7.66(d,J=7.0Hz,2H),7.47-7.37(m,6H),6.32(d,J=18.5Hz,1H),5.39-5.27(m,1H),5.08(d,J=8.0Hz,1H),5.01(s,1H),4.87(s,1H),4.59-4.53(m,1H),4.23-4.21(m,1H),4.16-4.12(m,1H),3.84-3.82(m,1H),2.61(brs,1H),2.36-2.29(m,1H),2.16-2.08(m,1H),2.02-1.95(m,2H),1.94-1.88(m,2H),1.77(s,3H),1.73(s,3H),1.52(d,J=22.0Hz,3H),1.11(s,9H).
步骤3:O-(((1R,3S,5S)-3-(2-苯甲酰基-6-氧代-1,6-二氢-9H-嘌呤-9-基)-5-((叔丁基二苯基硅烷基)氧基)-2-亚甲基环戊基)甲基)O-((2R,3R,4R,5R)-2-(((叔丁基二苯基甲硅烷基)氧基)甲基)-5-(2,4-二氧代-3,4-二氢嘧啶-1(2H)-基)-4-氟-4-甲基四氢呋喃-3-基)O-氢(S)-硫代磷酸酯
1-((2R,3R,4R,5R)-5-(((叔丁基二苯基硅烷基)氧基)甲基)-3-氟-3-甲基-4-(((2R,3aS,6R,7aS)-3a-甲基-6-(丙-1-烯-2-基)-2-硫代六氢苯并[d][1,3,2]氧硫杂磷杂环戊烷-2-基)氧基)四氢呋喃-2-基)嘧啶-2,4(1H,3H)-二酮(1.2g)和N-(9-((1S,3R,4S)-4-((叔丁基二苯基甲硅烷基)氧基)-3-(羟甲基))-2-亚甲基环戊基)-6-氧代-6,9-二氢-1H-嘌呤-2-基)苯甲酰胺(1.997g)溶于乙腈(15ml),室温下加入2,3,4,6,7,8,9,10-八氢嘧啶并[1,2-a]氮杂卓(0.736g),搅拌反应30分钟。反应液用乙酸乙酯稀释,饱和碳酸氢钠溶液洗涤。有机相以无水硫酸钠干燥,过滤浓缩得粗品,经柱层析(二氯甲烷∶甲醇=10∶1)纯化,得到标题化合物(1.14g)。1H-NMR(500MHz,DMSO-d6):δ12.56(s,1H),12.43(s,1H),11.49(s,1H),8.17(s,1H),8.14(d,J=7.5Hz,2H),7.74-7.71(m,3H),7.69-7.61(m,6H),7.60-7.55(m,1H),7.50-7.45(m,2H),7.44-7.34(m,12H),6.02(d,J=18.5Hz,1H),5.64-5.56(m,1H),5.06(s,1H),4.98-4.83(m,1H),4.80-4.68(m,2H),4.63(s,1H),4.14-4.05(m,1H),4.01-3.87(m,4H),3.01-2.89(m,1H),2.78(s,1H),2.08-1.99(m,1H),1.19-1.14(m,3H),1.06(s,9H),1.00(s,9H).
步骤4:O-(((1R,3S,5S)-3-(2-苯甲酰氨基-6-氧代-1,6-二氢-9H-嘌呤-9-基)-5-羟基-2-亚甲基环戊基)甲基)O-((2R,3R,4R,5R)-5-(2,4-二氧代-3,4-二氢嘧啶-1(2H)-基)-4-氟-2-羟甲基-4-甲基四氢呋喃-3-基)(S)-硫代磷酸四丁基铵
向反应瓶中,依次加入O-(((1R,3S,5S)-3-(2-苯甲酰基-6-氧代-1,6-二氢-9H-嘌呤-9-基)-5-((叔丁基二苯基硅烷基)氧基)-2-亚甲基环戊基)甲基)O-((2R,3R,4R,5R)-2-(((叔丁基二苯基甲硅烷基)氧基)甲基)-5-(2,4-二氧代-3,4-二氢嘧啶-1(2H)-基)-4-氟-4-甲基四氢呋喃-3-基)O-氢(S)-硫代磷酸酯(1g),四丁基氟化铵三水合物(0.791g)和四氢呋喃(9ml),室温搅拌过夜反应。反应液用水稀释,乙醚洗涤,水相浓缩得到标题化合物3g,未经纯化直接投入下一步。
步骤5:O-(((1R,3S,5S)-3-(2-氨基-6-氧代-1,6-二氢-9H-嘌呤-9-基)-5-羟基-2-亚甲基环戊基)甲基)O-((2R,3R,4R,5R)-5-(2,4-二氧代-3,4-二氢嘧啶-1(2H)-基)-4-氟-2-羟甲基-4-甲基四氢呋喃-3-基)(S)-硫代磷酸四丁基铵
将O-(((1R,3S,5S)-3-(2-苯甲酰氨基-6-氧代-1,6-二氢-9H-嘌呤-9-基)-5-羟基-2-亚甲基环戊基)甲基)O-((2R,3R,4R,5R)-5-(2,4-二氧代-3,4-二氢嘧啶-1(2H)-基)-4-氟-2-羟甲基-4-甲基四氢呋喃-3-基)(S)-硫代磷酸四丁基铵(3g)溶于氨水(20ml),室温搅拌反应17h。冰浴下,反应液用50%醋酸水溶液调节pH至8,乙酸乙酯萃取。水相用BiotageC18 120g反相色谱柱进行分离纯化(水∶乙腈=3∶1)得到标题化合物(0.5g)。MS(ESI)m/z:614.5[M-H]-.
步骤6:O-(((1R,3S,5S)-3-(2-氨基-6-氧代-1,6-二氢-9H-嘌呤-9-基)-5-羟基-2-亚甲基环戊基)甲基)O-((2R,3R,4R,5R)-5-(2,4-二氧代-3,4-二氢嘧啶-1(2H)-基)-4-氟-2-羟甲基-4-甲基四氢呋喃-3-基)(S)-硫代磷酸钠
将O-(((1R,3S,5S)-3-(2-氨基-6-氧代-1,6-二氢-9H-嘌呤-9-基)-5-羟基-2-亚甲基环戊基)甲基)O-((2R,3R,4R,5R)-5-(2,4-二氧代-3,4-二氢嘧啶-1(2H)-基)-4-氟-2-羟甲基-4-甲基四氢呋喃-3-基)(S)-硫代磷酸四丁基铵(0.3g)溶于去离子水(4ml),向其中加入钠型离子交换树脂(6g),室温搅拌1h后过滤,水相用Biotage C18 120g反相色谱柱进行分离纯化(水∶乙腈=3∶1)得到标题化合物(0.1g)。1H-NMR(500MHz,D2O):δ7.84(s,1H),7.82(d,J=8Hz,1H),6.14(d,J=19.5Hz,1H),5.85(d,J=8Hz,1H),5.39(t,J=8Hz,1H),5.32(s,1H),4.87(s,1H),4.68-4.62(m,1H),4.49-4.44(m,1H),4.19-1.14(m,2H),4.14-4.09(m,1H),4.02-3.98(m,1H),3.92-3.86(m,1H),2.86(s,1H),2.45-2.37(m,1H),2.30-2.23(m,1H),1.39(d,J=23.5Hz,3H).MS(ESI)m/z:614.5[M-H]-.
实施例5:(((((1R,3S,5S)-3-(2-氨基-6-氧代-1,6-二氢-9H-嘌呤-9-基)-5-羟基-2-亚甲基环戊基)甲氧基)(((2R,3R,4R,5R)-5-(2,4-二氧代-3,4-二氢嘧啶-1(2H)-基)-2-羟甲基-4-甲氧基四氢呋喃-3-基)氧基)磷酰基)硫代)甲基异丙基碳酸酯
将O-(((1R,3S,5S)-3-(2-氨基-6-氧代-1,6-二氢-9H-嘌呤-9-基)-5-羟基-2-亚甲基环戊基)甲基)O-((2R,3R,4R,5R)-5-(2,4-二氧代-3,4-二氢嘧啶-1(2H)-基)-2-羟甲基-4-甲氧基四氢呋喃-3-基)硫代磷酸铵(0.80g)溶于水(100ml)和异丙醇(26ml)的混合溶液,滴加碘甲基异丙基碳酸酯(0.845g),室温反应24h。浓缩除去异丙醇,水相用正己烷萃取三次后,用Biotage C18 120g反相色谱柱进行分离纯化(水∶乙腈=3∶1)得到标题化合物(0.536g)。1H NMR(500MHz,DMSO-d6)δ11.44(s,1H),10.60(s,1H),7.91(t,J=7.5Hz,1H),7.69(d,J=14.0Hz,1H),6.38(s,2H),5.94(dd,J=6.5,2.0Hz,1H),5.73(d,J=8.0Hz,1H),5.53-5.51(m,2H),5.40(dt,J=10.0,6.5Hz,2H),5.23-5.21(m,1H),5.15(dd,J=6.0,3.0Hz,1H),5.11-5.02(m,1H),4.83-4.80(m,1H),4.66(d,J=2.5Hz,1H),4.30-4.21(m,3H),4.15-4.13(m,2H),3.77-3.58(m,2H),3.38(s,3H),2.85-2.84(m,1H),2.34-2.32(m,1H),2.12-2.13(m,1H),1.22(dd,J=6.0,2.5Hz,6H).MS(ESI)m/z:730.5[M+H]+.
实施例6:(((S)-(((1R,3S,5S)-3-(2-氨基-6-氧代-1,6-二氢-9H-嘌呤-9-基)-5-羟基-2-亚甲基环戊基)甲氧基)(((2R,3R,4R,5R)-5-(2,4-二氧代-3,4-二氢嘧啶-1(2H)-基)-2-羟甲基-4-甲氧基四氢呋喃-3-基)氧基)磷酰基)硫代)甲基异丙基碳酸酯
将O-(((1R,3S,5S)-3-(2-氨基-6-氧代-1,6-二氢-9H-嘌呤-9-基)-5-羟基-2-亚甲基环戊基)甲基)O-((2R,3R,4R,5R)-5-(2,4-二氧代-3,4-二氢嘧啶-1(2H)-基)-2-羟甲基-4-甲氧基四氢呋喃-3-基)(S)-硫代磷酸四丁基铵(1g)溶于水(100ml)和异丙醇(25ml)的混合溶液,滴加碘代甲基异丙基碳酸酯(0.856g),室温反应24h。浓缩除去异丙醇,水相用正己烷萃取三次后用Biotage C18 120g反相色谱柱进行分离纯化(水∶乙腈=3∶1)得到标题化合物(0.4g)。1H-NMR(500MHz,CD3OD):δ8.05(d,J=8Hz,1H),7.79(s,1H),6.07(d,J=6Hz,1H),5.76(d,J=8Hz,1H),5.62-5.49(m,3H),5.36(s,1H),5.21-5.16(m,1H),4.94-4.91(m,1H),4.59-4.52(m,1H),4.51-4.44(m,2H),4.37-4.35(m,1H),4.23-4.18(m,1H),3.87-3.79(m,2H),3.52(s,3H),3.02-2.97(m,1H),2.61-2.54(m,1H),2.32-2.24(m,1H),1.88-1.78(m,1H),1.34-1.27(m,6H).MS(ESI)m/z:730.5[M+H]+.
实施例7:(((S)-(((1R,3S,5S)-3-(2-氨基-6-氧代-1,6-二氢-9H-嘌呤-9-基)-5-羟基-2-亚甲基环戊基)甲氧基)(((2R,3R,4R,5R)-5-(2,4-二氧代-3,4-二氢嘧啶-1(2H)-基)-2-羟甲基-4-甲氧基四氢呋喃-3-基)氧基)磷酰基)硫代)甲基异丁基碳酸酯
将O-(((1R,3S,5S)-3-(2-氨基-6-氧代-1,6-二氢-9H-嘌呤-9-基)-5-羟基-2-亚甲基环戊基)甲基)O-((2R,3R,4R,5R)-5-(2,4-二氧代-3,4-二氢嘧啶-1(2H)-基)-2-羟甲基-4-甲氧基四氢呋喃-3-基)(S)-硫代磷酸四丁基铵(0.85g)溶于水(120ml)和异丙醇(30ml)的混合溶液,滴加碘代甲基异丁基碳酸酯(0.770g),室温反应24h。浓缩除去异丙醇,水相用正己烷萃取三次后用Biotage C18 120g反相色谱柱进行分离纯化(水∶乙腈=3∶1)得到标题化合物(0.15g)。1H-NMR(500MHz,CD3OD):δ8.05(d,J=8.0Hz,1H),7.80(s,1H),6.07(d,J=6.0Hz,1H),5.70(d,J=8.0Hz,1H),5.63-5.55(m,3H),5.36(s,1H),5.20-5.19(m,1H),4.89(s,1H),4.57-4.49(m,3H),4.35(s,1H),4.20(t,J=5.0Hz,1H),3.99(d,J=6.5Hz,2H),3.86-3.81(m,2H),3.52(s,3H),3.00(s,1H),2.60-2.55(m,1H),2.30-2.26(m,1H),1.97-1.92(m,1H),0.95(s,3H),0.93(s,3H).MS(ESI)m/z:744.6[M+H]+.
实施例8:(((S)-(((1R,3S,5S)-3-(2-氨基-6-氧代-1,6-二氢-9H-嘌呤-9-基)-5-羟基-2-亚甲基环戊基)甲氧基)(((2R,3R,4R,5R)-5-(2,4-二氧代-3,4-二氢嘧啶-1(2H)-基)-2-羟甲基-4-甲氧基四氢呋喃-3-基)氧基)磷酰基)硫代)甲基碳酸甲酯
将O-(((1R,3S,5S)-3-(2-氨基-6-氧代-1,6-二氢-9H-嘌呤-9-基)-5-羟基-2-亚甲基环戊基)甲基)O-((2R,3R,4R,5R)-5-(2,4-二氧代-3,4-二氢嘧啶-1(2H)-基)-2-羟甲基-4-甲氧基四氢呋喃-3-基)(S)-硫代磷酸四丁基铵(1.0g)溶于水(112ml)和异丙醇(30ml)的混合溶液,滴加碘代甲基甲基碳酸酯(0.758g),室温反应16h。浓缩除去异丙醇,水相用正己烷萃取三次后用Biotage C18 120g反相色谱柱进行分离纯化(水∶乙腈=3∶1),得到标题化合物(0.21g)。1H NMR(500MHz,DMSO-d6)δ11.44(s,1H),10.61(s,1H),7.91(s,1H),7.68(s,1H),6.41(s,2H),5.94(s,1H),5.73(s,1H),5.52(d,J=19.5Hz,2H),5.40(s,2H),5.23(s,1H),5.11(d,J=27.0Hz,2H),4.66(s,1H),4.26(t,J=21.5Hz,3H),4.14(s,1H),3.77(s,2H),3.65(s,2H),3.39(s,3H),2.86(s,1H),2.51(s,2H),2.31(s,1H),2.11(s,1H).
13C NMR(126MHz,DMSO-d6)δ163.36,157.28,154.56,153.94,151.80,151.07,149.49,140.64,136.43,116.84,111.42,103.01,85.79,84.00,81.12,75.35,70.31,68.88,67.66,60.91,58.47,55.89,55.38,51.81,39.05.
LCMS,([M+H]+)m/z:702.5.
体外抗乙肝病毒活性筛选
1.实验材料
1.1细胞
HepG2.2.15细胞
1.2化合物
受试化合物:实施例制备得到的化合物,用二甲基亚砜(DMSO)配制成20mM母液。
1.3试剂
本实验使用的试剂包括QIAamp 96 DNA Blood Kit(12)(货号Qiagen-51162),FastStart Universal Probe Master(货号Roche-04914058001),CellTiter-Blue检测试剂(货号Promega-G808B)。
2.实验方法
2.1化合物稀释:受试化合物起始终浓度为100μM,3倍稀释,8个浓度。
3.2.体外抗HBV活性实验和细胞毒性实验:第一天,种HepG2.2.15细胞(4×104细胞/孔)到96孔板,在37℃,5%CO2培养过夜。第二天,加入含不同浓度化合物的新鲜培养液到培养孔中。第三至十天,每天吸除培养孔中旧的培养液,加入含不同浓度化合物的新鲜培养液。第十一天,收集培养孔中的上清,用于提取上清中的HBV DNA。qPCR实验检测HepG2.2.15上清中的HBV DNA含量。收集细胞上清后,加入CellTiter-Blue试剂,孵育后酶标仪检测每孔荧光值。抑制百分比:
抑制率%=(1-样品中的HBV DNA含量/DMSO对照组中的HBV DNA含量)×100%。
细胞活力百分比:
细胞活力%=(样品孔的荧光值-培养基对照的荧光值)/(DMSO对照组的荧光值-培养基对照的荧光值)×100%。
实验结果如表1所示。
表1.
实施例化合物 | EC50(nM) | CC50(μM) |
实施例1 | 441 | >100 |
Claims (16)
3.如权利要求1所述式I化合物或其药学上可接受的盐,其中R选自C1-6烷基。
4.如权利要求3所述式I化合物或其药学上可接受的盐,其中R选自C1-4烷基。
5.如权利要求4所述式I化合物或其药学上可接受的盐,其中R选自异丙基、甲基或异丁基。
6.如权利要求1所述式I化合物或其药学上可接受的盐,其中R2及R3分别独立地选自H、卤素、C1-6烷基或任选地被C1-6烷氧基取代的C1-6烷氧基。
7.如权利要求6所述式I化合物或其药学上可接受的盐,其中R2及R3分别独立地选自H、F、CH3-、CH3O-或CH3OCH2CH2O-。
8.如权利要求7所述式I化合物或其药学上可接受的盐,其中R2为H或F,R3为CH3-、CH3O-或CH3OCH2CH2O-。
9.如权利要求1所述式I化合物或其药学上可接受的盐,其中R4为H,R5为-OH。
10.如权利要求1所述式I化合物或其药学上可接受的盐,其中所述药学上可接受的盐选自钠盐或铵盐。
14.一种药物组合物,其包含权利要求1-13任一项所述式I化合物或其药学上可接受的盐。
15.权利要求1-13任一项所述式I化合物或其药学上可接受的盐、或权利要求14所述药物组合物在制备用于预防或者治疗哺乳动物HBV感染的药物中的用途。
16.权利要求15所述的用途,所述预防或者治疗哺乳动物HBV感染是指控制、降低或清除HBV以预防、缓解或治愈受感染的哺乳动物的肝脏疾病。
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