JP2022525023A - 置換イミダゾキノリンの調製方法 - Google Patents
置換イミダゾキノリンの調製方法 Download PDFInfo
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- JP2022525023A JP2022525023A JP2021552887A JP2021552887A JP2022525023A JP 2022525023 A JP2022525023 A JP 2022525023A JP 2021552887 A JP2021552887 A JP 2021552887A JP 2021552887 A JP2021552887 A JP 2021552887A JP 2022525023 A JP2022525023 A JP 2022525023A
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- 238000002360 preparation method Methods 0.000 title description 10
- BJLRVFDWAOVFCI-UHFFFAOYSA-N 1h-imidazole;quinoline Chemical class C1=CNC=N1.N1=CC=CC2=CC=CC=C21 BJLRVFDWAOVFCI-UHFFFAOYSA-N 0.000 title description 4
- 238000000034 method Methods 0.000 claims abstract description 302
- -1 quinoline-1-yl Chemical group 0.000 claims abstract description 183
- 230000002194 synthesizing effect Effects 0.000 claims abstract description 11
- 150000001875 compounds Chemical class 0.000 claims description 298
- 150000003839 salts Chemical class 0.000 claims description 143
- 239000002904 solvent Substances 0.000 claims description 133
- 239000012453 solvate Substances 0.000 claims description 92
- 238000006243 chemical reaction Methods 0.000 claims description 63
- 125000000217 alkyl group Chemical group 0.000 claims description 59
- 239000003153 chemical reaction reagent Substances 0.000 claims description 47
- LFQSCWFLJHTTHZ-UHFFFAOYSA-N Ethanol Chemical compound CCO LFQSCWFLJHTTHZ-UHFFFAOYSA-N 0.000 claims description 43
- 239000002253 acid Substances 0.000 claims description 39
- 125000003118 aryl group Chemical group 0.000 claims description 37
- 125000001072 heteroaryl group Chemical group 0.000 claims description 36
- 125000000753 cycloalkyl group Chemical group 0.000 claims description 34
- 125000003342 alkenyl group Chemical group 0.000 claims description 31
- 125000000304 alkynyl group Chemical group 0.000 claims description 30
- 125000002924 primary amino group Chemical group [H]N([H])* 0.000 claims description 29
- 239000002585 base Substances 0.000 claims description 26
- 239000003795 chemical substances by application Substances 0.000 claims description 26
- 229910052739 hydrogen Inorganic materials 0.000 claims description 24
- 125000001412 tetrahydropyranyl group Chemical group 0.000 claims description 24
- 239000001257 hydrogen Substances 0.000 claims description 21
- 125000006239 protecting group Chemical group 0.000 claims description 20
- UFHFLCQGNIYNRP-UHFFFAOYSA-N Hydrogen Chemical compound [H][H] UFHFLCQGNIYNRP-UHFFFAOYSA-N 0.000 claims description 19
- 150000001204 N-oxides Chemical class 0.000 claims description 19
- 125000002777 acetyl group Chemical group [H]C([H])([H])C(*)=O 0.000 claims description 19
- 239000003960 organic solvent Substances 0.000 claims description 16
- DTQVDTLACAAQTR-UHFFFAOYSA-N Trifluoroacetic acid Chemical compound OC(=O)C(F)(F)F DTQVDTLACAAQTR-UHFFFAOYSA-N 0.000 claims description 14
- 239000007800 oxidant agent Substances 0.000 claims description 13
- WFDIJRYMOXRFFG-UHFFFAOYSA-N Acetic anhydride Chemical compound CC(=O)OC(C)=O WFDIJRYMOXRFFG-UHFFFAOYSA-N 0.000 claims description 12
- 230000001376 precipitating effect Effects 0.000 claims description 12
- 239000000243 solution Substances 0.000 claims description 12
- 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 12
- 230000001590 oxidative effect Effects 0.000 claims description 10
- 238000004587 chromatography analysis Methods 0.000 claims description 9
- YYROPELSRYBVMQ-UHFFFAOYSA-N 4-toluenesulfonyl chloride Chemical compound CC1=CC=C(S(Cl)(=O)=O)C=C1 YYROPELSRYBVMQ-UHFFFAOYSA-N 0.000 claims description 8
- 125000001584 benzyloxycarbonyl group Chemical group C(=O)(OCC1=CC=CC=C1)* 0.000 claims description 8
- 125000003088 (fluoren-9-ylmethoxy)carbonyl group Chemical group 0.000 claims description 6
- OZJPLYNZGCXSJM-UHFFFAOYSA-N 5-valerolactone Chemical compound O=C1CCCCO1 OZJPLYNZGCXSJM-UHFFFAOYSA-N 0.000 claims description 6
- QGZKDVFQNNGYKY-UHFFFAOYSA-N Ammonia Chemical compound N QGZKDVFQNNGYKY-UHFFFAOYSA-N 0.000 claims description 6
- 238000005576 amination reaction Methods 0.000 claims description 6
- 150000002905 orthoesters Chemical class 0.000 claims description 6
- 238000010992 reflux Methods 0.000 claims description 6
- 125000005931 tert-butyloxycarbonyl group Chemical group [H]C([H])([H])C(OC(*)=O)(C([H])([H])[H])C([H])([H])[H] 0.000 claims description 6
- 239000003638 chemical reducing agent Substances 0.000 claims description 5
- ATRRKUHOCOJYRX-UHFFFAOYSA-N Ammonium bicarbonate Chemical compound [NH4+].OC([O-])=O ATRRKUHOCOJYRX-UHFFFAOYSA-N 0.000 claims description 4
- 239000001099 ammonium carbonate Substances 0.000 claims description 4
- 239000003849 aromatic solvent Substances 0.000 claims description 4
- 125000001797 benzyl group Chemical group [H]C1=C([H])C([H])=C(C([H])=C1[H])C([H])([H])* 0.000 claims description 4
- NHQDETIJWKXCTC-UHFFFAOYSA-N 3-chloroperbenzoic acid Chemical compound OOC(=O)C1=CC=CC(Cl)=C1 NHQDETIJWKXCTC-UHFFFAOYSA-N 0.000 claims description 3
- VHUUQVKOLVNVRT-UHFFFAOYSA-N Ammonium hydroxide Chemical compound [NH4+].[OH-] VHUUQVKOLVNVRT-UHFFFAOYSA-N 0.000 claims description 3
- 239000000908 ammonium hydroxide Substances 0.000 claims description 3
- IJOOHPMOJXWVHK-UHFFFAOYSA-N chlorotrimethylsilane Chemical compound C[Si](C)(C)Cl IJOOHPMOJXWVHK-UHFFFAOYSA-N 0.000 claims description 3
- UYWQUFXKFGHYNT-UHFFFAOYSA-N phenylmethyl ester of formic acid Natural products O=COCC1=CC=CC=C1 UYWQUFXKFGHYNT-UHFFFAOYSA-N 0.000 claims description 3
- 125000002221 trityl group Chemical group [H]C1=C([H])C([H])=C([H])C([H])=C1C([*])(C1=C(C(=C(C(=C1[H])[H])[H])[H])[H])C1=C([H])C([H])=C([H])C([H])=C1[H] 0.000 claims description 3
- 229910000013 Ammonium bicarbonate Inorganic materials 0.000 claims description 2
- 239000004254 Ammonium phosphate Substances 0.000 claims description 2
- 239000012359 Methanesulfonyl chloride Substances 0.000 claims description 2
- 150000001350 alkyl halides Chemical class 0.000 claims description 2
- 229910021529 ammonia Inorganic materials 0.000 claims description 2
- 235000012538 ammonium bicarbonate Nutrition 0.000 claims description 2
- 235000012501 ammonium carbonate Nutrition 0.000 claims description 2
- 235000011114 ammonium hydroxide Nutrition 0.000 claims description 2
- 229910000148 ammonium phosphate Inorganic materials 0.000 claims description 2
- 235000019289 ammonium phosphates Nutrition 0.000 claims description 2
- 125000004391 aryl sulfonyl group Chemical group 0.000 claims description 2
- CSKNSYBAZOQPLR-UHFFFAOYSA-N benzenesulfonyl chloride Chemical compound ClS(=O)(=O)C1=CC=CC=C1 CSKNSYBAZOQPLR-UHFFFAOYSA-N 0.000 claims description 2
- MNNHAPBLZZVQHP-UHFFFAOYSA-N diammonium hydrogen phosphate Chemical compound [NH4+].[NH4+].OP([O-])([O-])=O MNNHAPBLZZVQHP-UHFFFAOYSA-N 0.000 claims description 2
- 150000004820 halides Chemical class 0.000 claims description 2
- 125000000592 heterocycloalkyl group Chemical group 0.000 claims description 2
- QARBMVPHQWIHKH-UHFFFAOYSA-N methanesulfonyl chloride Chemical compound CS(Cl)(=O)=O QARBMVPHQWIHKH-UHFFFAOYSA-N 0.000 claims description 2
- 229910000069 nitrogen hydride Inorganic materials 0.000 claims 1
- DLFVBJFMPXGRIB-UHFFFAOYSA-N Acetamide Chemical compound CC(N)=O DLFVBJFMPXGRIB-UHFFFAOYSA-N 0.000 abstract description 16
- 238000003786 synthesis reaction Methods 0.000 abstract description 16
- NZVPXBBRISXKAJ-UHFFFAOYSA-N 2-(2-methoxyethyl)-1h-imidazol-5-amine Chemical compound COCCC1=NC=C(N)N1 NZVPXBBRISXKAJ-UHFFFAOYSA-N 0.000 abstract description 15
- 125000000484 butyl group Chemical group [H]C([*])([H])C([H])([H])C([H])([H])C([H])([H])[H] 0.000 abstract description 15
- 230000015572 biosynthetic process Effects 0.000 abstract description 14
- 101000669402 Homo sapiens Toll-like receptor 7 Proteins 0.000 abstract description 9
- 102100039390 Toll-like receptor 7 Human genes 0.000 abstract description 9
- 239000000556 agonist Substances 0.000 abstract description 8
- 108090000695 Cytokines Proteins 0.000 abstract description 5
- 102000004127 Cytokines Human genes 0.000 abstract description 5
- DHXVGJBLRPWPCS-UHFFFAOYSA-N Tetrahydropyran Chemical compound C1CCOCC1 DHXVGJBLRPWPCS-UHFFFAOYSA-N 0.000 abstract description 5
- RHKWIGHJGOEUSM-UHFFFAOYSA-N 3h-imidazo[4,5-h]quinoline Chemical class C1=CN=C2C(N=CN3)=C3C=CC2=C1 RHKWIGHJGOEUSM-UHFFFAOYSA-N 0.000 abstract description 4
- 239000003970 toll like receptor agonist Substances 0.000 abstract description 3
- 229940123384 Toll-like receptor (TLR) agonist Drugs 0.000 abstract description 2
- 230000006698 induction Effects 0.000 abstract description 2
- 125000006273 (C1-C3) alkyl group Chemical group 0.000 description 94
- 125000001424 substituent group Chemical group 0.000 description 71
- 239000011541 reaction mixture Substances 0.000 description 60
- YMWUJEATGCHHMB-UHFFFAOYSA-N Dichloromethane Chemical compound ClCCl YMWUJEATGCHHMB-UHFFFAOYSA-N 0.000 description 57
- 125000000623 heterocyclic group Chemical group 0.000 description 46
- 125000004432 carbon atom Chemical group C* 0.000 description 44
- 125000004435 hydrogen atom Chemical group [H]* 0.000 description 41
- HEMHJVSKTPXQMS-UHFFFAOYSA-M Sodium hydroxide Chemical compound [OH-].[Na+] HEMHJVSKTPXQMS-UHFFFAOYSA-M 0.000 description 30
- 239000000543 intermediate Substances 0.000 description 25
- 229910052736 halogen Inorganic materials 0.000 description 24
- 150000002367 halogens Chemical class 0.000 description 24
- 125000004429 atom Chemical group 0.000 description 19
- 229910052757 nitrogen Inorganic materials 0.000 description 17
- 239000011203 carbon fibre reinforced carbon Substances 0.000 description 16
- 238000002425 crystallisation Methods 0.000 description 16
- 230000008025 crystallization Effects 0.000 description 16
- 125000004093 cyano group Chemical group *C#N 0.000 description 16
- 238000004128 high performance liquid chromatography Methods 0.000 description 16
- QTBSBXVTEAMEQO-UHFFFAOYSA-N Acetic acid Chemical compound CC(O)=O QTBSBXVTEAMEQO-UHFFFAOYSA-N 0.000 description 15
- VZCYOOQTPOCHFL-OWOJBTEDSA-N Fumaric acid Chemical compound OC(=O)\C=C\C(O)=O VZCYOOQTPOCHFL-OWOJBTEDSA-N 0.000 description 15
- OKKJLVBELUTLKV-UHFFFAOYSA-N Methanol Chemical compound OC OKKJLVBELUTLKV-UHFFFAOYSA-N 0.000 description 15
- BZLVMXJERCGZMT-UHFFFAOYSA-N Methyl tert-butyl ether Chemical compound COC(C)(C)C BZLVMXJERCGZMT-UHFFFAOYSA-N 0.000 description 15
- 125000001449 isopropyl group Chemical group [H]C([H])([H])C([H])(*)C([H])([H])[H] 0.000 description 15
- KFZMGEQAYNKOFK-UHFFFAOYSA-N Isopropanol Chemical compound CC(C)O KFZMGEQAYNKOFK-UHFFFAOYSA-N 0.000 description 14
- 125000001495 ethyl group Chemical group [H]C([H])([H])C([H])([H])* 0.000 description 14
- 125000005842 heteroatom Chemical group 0.000 description 14
- 125000002496 methyl group Chemical group [H]C([H])([H])* 0.000 description 14
- 125000001436 propyl group Chemical group [H]C([*])([H])C([H])([H])C([H])([H])[H] 0.000 description 14
- 239000013078 crystal Substances 0.000 description 13
- 239000012044 organic layer Substances 0.000 description 13
- 239000000047 product Substances 0.000 description 13
- IJGRMHOSHXDMSA-UHFFFAOYSA-N Atomic nitrogen Chemical compound N#N IJGRMHOSHXDMSA-UHFFFAOYSA-N 0.000 description 12
- RTZKZFJDLAIYFH-UHFFFAOYSA-N Diethyl ether Chemical compound CCOCC RTZKZFJDLAIYFH-UHFFFAOYSA-N 0.000 description 12
- 206010028980 Neoplasm Diseases 0.000 description 12
- 229910052760 oxygen Inorganic materials 0.000 description 11
- VZCYOOQTPOCHFL-UHFFFAOYSA-N trans-butenedioic acid Natural products OC(=O)C=CC(O)=O VZCYOOQTPOCHFL-UHFFFAOYSA-N 0.000 description 11
- 125000000882 C2-C6 alkenyl group Chemical group 0.000 description 10
- 125000003601 C2-C6 alkynyl group Chemical group 0.000 description 10
- 229910052799 carbon Inorganic materials 0.000 description 10
- 238000001035 drying Methods 0.000 description 10
- 238000001556 precipitation Methods 0.000 description 10
- 230000002829 reductive effect Effects 0.000 description 10
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 description 10
- VEXZGXHMUGYJMC-UHFFFAOYSA-N Hydrochloric acid Chemical compound Cl VEXZGXHMUGYJMC-UHFFFAOYSA-N 0.000 description 9
- 102000002689 Toll-like receptor Human genes 0.000 description 9
- 108020000411 Toll-like receptor Proteins 0.000 description 9
- YXFVVABEGXRONW-UHFFFAOYSA-N Toluene Chemical compound CC1=CC=CC=C1 YXFVVABEGXRONW-UHFFFAOYSA-N 0.000 description 9
- 238000012733 comparative method Methods 0.000 description 9
- 239000000203 mixture Substances 0.000 description 9
- 125000004433 nitrogen atom Chemical group N* 0.000 description 9
- 125000001997 phenyl group Chemical group [H]C1=C([H])C([H])=C(*)C([H])=C1[H] 0.000 description 9
- 239000007787 solid Substances 0.000 description 9
- 229910052717 sulfur Inorganic materials 0.000 description 9
- 201000011510 cancer Diseases 0.000 description 8
- ZCSHNCUQKCANBX-UHFFFAOYSA-N lithium diisopropylamide Chemical compound [Li+].CC(C)[N-]C(C)C ZCSHNCUQKCANBX-UHFFFAOYSA-N 0.000 description 8
- 125000004430 oxygen atom Chemical group O* 0.000 description 8
- BDERNNFJNOPAEC-UHFFFAOYSA-N propan-1-ol Chemical compound CCCO BDERNNFJNOPAEC-UHFFFAOYSA-N 0.000 description 8
- MFRIHAYPQRLWNB-UHFFFAOYSA-N sodium tert-butoxide Chemical compound [Na+].CC(C)(C)[O-] MFRIHAYPQRLWNB-UHFFFAOYSA-N 0.000 description 8
- 239000000126 substance Substances 0.000 description 8
- 125000004434 sulfur atom Chemical group 0.000 description 8
- 229940044616 toll-like receptor 7 agonist Drugs 0.000 description 8
- 150000001540 azides Chemical class 0.000 description 7
- 238000001914 filtration Methods 0.000 description 7
- 239000001530 fumaric acid Substances 0.000 description 7
- 239000000463 material Substances 0.000 description 7
- 229910052710 silicon Inorganic materials 0.000 description 7
- 125000006570 (C5-C6) heteroaryl group Chemical group 0.000 description 6
- 238000005481 NMR spectroscopy Methods 0.000 description 6
- KWYUFKZDYYNOTN-UHFFFAOYSA-M Potassium hydroxide Chemical compound [OH-].[K+] KWYUFKZDYYNOTN-UHFFFAOYSA-M 0.000 description 6
- 239000007864 aqueous solution Substances 0.000 description 6
- 239000010410 layer Substances 0.000 description 6
- 239000007788 liquid Substances 0.000 description 6
- 238000007254 oxidation reaction Methods 0.000 description 6
- 239000002244 precipitate Substances 0.000 description 6
- 239000012321 sodium triacetoxyborohydride Substances 0.000 description 6
- 238000005406 washing Methods 0.000 description 6
- 206010027476 Metastases Diseases 0.000 description 5
- 125000002619 bicyclic group Chemical group 0.000 description 5
- 229910052796 boron Inorganic materials 0.000 description 5
- 150000001721 carbon Chemical group 0.000 description 5
- 210000004027 cell Anatomy 0.000 description 5
- 239000000356 contaminant Substances 0.000 description 5
- 125000004122 cyclic group Chemical group 0.000 description 5
- 230000000694 effects Effects 0.000 description 5
- 239000012065 filter cake Substances 0.000 description 5
- 239000000706 filtrate Substances 0.000 description 5
- 125000000524 functional group Chemical group 0.000 description 5
- 125000002883 imidazolyl group Chemical group 0.000 description 5
- DOUYETYNHWVLEO-UHFFFAOYSA-N imiquimod Chemical compound C1=CC=CC2=C3N(CC(C)C)C=NC3=C(N)N=C21 DOUYETYNHWVLEO-UHFFFAOYSA-N 0.000 description 5
- 210000002865 immune cell Anatomy 0.000 description 5
- 230000009401 metastasis Effects 0.000 description 5
- PFKCCZYAKVHHEE-UHFFFAOYSA-N n-(oxan-4-yl)acetamide Chemical compound CC(=O)NC1CCOCC1 PFKCCZYAKVHHEE-UHFFFAOYSA-N 0.000 description 5
- 125000001624 naphthyl group Chemical group 0.000 description 5
- 150000007524 organic acids Chemical class 0.000 description 5
- 125000003367 polycyclic group Chemical group 0.000 description 5
- 125000004076 pyridyl group Chemical group 0.000 description 5
- 238000001228 spectrum Methods 0.000 description 5
- 125000003107 substituted aryl group Chemical group 0.000 description 5
- 125000000335 thiazolyl group Chemical group 0.000 description 5
- 125000006163 5-membered heteroaryl group Chemical class 0.000 description 4
- NQRYJNQNLNOLGT-UHFFFAOYSA-N Piperidine Chemical compound C1CCNCC1 NQRYJNQNLNOLGT-UHFFFAOYSA-N 0.000 description 4
- OFOBLEOULBTSOW-UHFFFAOYSA-N Propanedioic acid Natural products OC(=O)CC(O)=O OFOBLEOULBTSOW-UHFFFAOYSA-N 0.000 description 4
- WYURNTSHIVDZCO-UHFFFAOYSA-N Tetrahydrofuran Chemical compound C1CCOC1 WYURNTSHIVDZCO-UHFFFAOYSA-N 0.000 description 4
- 230000004913 activation Effects 0.000 description 4
- 125000002252 acyl group Chemical group 0.000 description 4
- 239000008346 aqueous phase Substances 0.000 description 4
- 238000011097 chromatography purification Methods 0.000 description 4
- ZUOUZKKEUPVFJK-UHFFFAOYSA-N diphenyl Chemical compound C1=CC=CC=C1C1=CC=CC=C1 ZUOUZKKEUPVFJK-UHFFFAOYSA-N 0.000 description 4
- 229930195733 hydrocarbon Natural products 0.000 description 4
- 150000002430 hydrocarbons Chemical class 0.000 description 4
- 239000002955 immunomodulating agent Substances 0.000 description 4
- 229940121354 immunomodulator Drugs 0.000 description 4
- ANYSGBYRTLOUPO-UHFFFAOYSA-N lithium tetramethylpiperidide Chemical compound [Li]N1C(C)(C)CCCC1(C)C ANYSGBYRTLOUPO-UHFFFAOYSA-N 0.000 description 4
- 239000012074 organic phase Substances 0.000 description 4
- 125000004437 phosphorous atom Chemical group 0.000 description 4
- IUBQJLUDMLPAGT-UHFFFAOYSA-N potassium bis(trimethylsilyl)amide Chemical compound C[Si](C)(C)N([K])[Si](C)(C)C IUBQJLUDMLPAGT-UHFFFAOYSA-N 0.000 description 4
- LPNYRYFBWFDTMA-UHFFFAOYSA-N potassium tert-butoxide Chemical compound [K+].CC(C)(C)[O-] LPNYRYFBWFDTMA-UHFFFAOYSA-N 0.000 description 4
- 125000000168 pyrrolyl group Chemical group 0.000 description 4
- WRIKHQLVHPKCJU-UHFFFAOYSA-N sodium bis(trimethylsilyl)amide Chemical compound C[Si](C)(C)N([Na])[Si](C)(C)C WRIKHQLVHPKCJU-UHFFFAOYSA-N 0.000 description 4
- XVOUMQNXTGKGMA-OWOJBTEDSA-N (E)-glutaconic acid Chemical compound OC(=O)C\C=C\C(O)=O XVOUMQNXTGKGMA-OWOJBTEDSA-N 0.000 description 3
- 125000003903 2-propenyl group Chemical group [H]C([*])([H])C([H])=C([H])[H] 0.000 description 3
- CSCPPACGZOOCGX-UHFFFAOYSA-N Acetone Chemical compound CC(C)=O CSCPPACGZOOCGX-UHFFFAOYSA-N 0.000 description 3
- WEVYAHXRMPXWCK-UHFFFAOYSA-N Acetonitrile Chemical compound CC#N WEVYAHXRMPXWCK-UHFFFAOYSA-N 0.000 description 3
- YLQBMQCUIZJEEH-UHFFFAOYSA-N Furan Chemical compound C=1C=COC=1 YLQBMQCUIZJEEH-UHFFFAOYSA-N 0.000 description 3
- 102000014150 Interferons Human genes 0.000 description 3
- 108010050904 Interferons Proteins 0.000 description 3
- XSQUKJJJFZCRTK-UHFFFAOYSA-N Urea Chemical compound NC(N)=O XSQUKJJJFZCRTK-UHFFFAOYSA-N 0.000 description 3
- 230000002378 acidificating effect Effects 0.000 description 3
- 150000001408 amides Chemical group 0.000 description 3
- 150000001412 amines Chemical class 0.000 description 3
- 238000004458 analytical method Methods 0.000 description 3
- 125000003710 aryl alkyl group Chemical group 0.000 description 3
- 239000012298 atmosphere Substances 0.000 description 3
- 125000000852 azido group Chemical group *N=[N+]=[N-] 0.000 description 3
- WPYMKLBDIGXBTP-UHFFFAOYSA-N benzoic acid Chemical compound OC(=O)C1=CC=CC=C1 WPYMKLBDIGXBTP-UHFFFAOYSA-N 0.000 description 3
- 229910052801 chlorine Inorganic materials 0.000 description 3
- KRKNYBCHXYNGOX-UHFFFAOYSA-N citric acid Chemical compound OC(=O)CC(O)(C(O)=O)CC(O)=O KRKNYBCHXYNGOX-UHFFFAOYSA-N 0.000 description 3
- 229940125904 compound 1 Drugs 0.000 description 3
- 229940125898 compound 5 Drugs 0.000 description 3
- 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 3
- 125000001511 cyclopentyl group Chemical group [H]C1([H])C([H])([H])C([H])([H])C([H])(*)C1([H])[H] 0.000 description 3
- 238000010511 deprotection reaction Methods 0.000 description 3
- 239000002274 desiccant Substances 0.000 description 3
- 229910052731 fluorine Inorganic materials 0.000 description 3
- 229960002751 imiquimod Drugs 0.000 description 3
- 229940079322 interferon Drugs 0.000 description 3
- VZCYOOQTPOCHFL-UPHRSURJSA-N maleic acid Chemical compound OC(=O)\C=C/C(O)=O VZCYOOQTPOCHFL-UPHRSURJSA-N 0.000 description 3
- 150000007522 mineralic acids Chemical class 0.000 description 3
- 230000004048 modification Effects 0.000 description 3
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- 125000001715 oxadiazolyl group Chemical group 0.000 description 3
- 125000003373 pyrazinyl group Chemical group 0.000 description 3
- 125000003226 pyrazolyl group Chemical group 0.000 description 3
- 125000000714 pyrimidinyl group Chemical group 0.000 description 3
- 125000000719 pyrrolidinyl group Chemical group 0.000 description 3
- 239000011734 sodium Substances 0.000 description 3
- 239000000725 suspension Substances 0.000 description 3
- 238000007910 systemic administration Methods 0.000 description 3
- 230000001225 therapeutic effect Effects 0.000 description 3
- 125000001113 thiadiazolyl group Chemical group 0.000 description 3
- 238000011282 treatment Methods 0.000 description 3
- 125000004306 triazinyl group Chemical group 0.000 description 3
- 125000001425 triazolyl group Chemical group 0.000 description 3
- 108091032973 (ribonucleotides)n+m Proteins 0.000 description 2
- VSTXCZGEEVFJES-UHFFFAOYSA-N 1-cycloundecyl-1,5-diazacycloundec-5-ene Chemical compound C1CCCCCC(CCCC1)N1CCCCCC=NCCC1 VSTXCZGEEVFJES-UHFFFAOYSA-N 0.000 description 2
- ARGCQEVBJHPOGB-UHFFFAOYSA-N 2,5-dihydrofuran Chemical compound C1OCC=C1 ARGCQEVBJHPOGB-UHFFFAOYSA-N 0.000 description 2
- 125000006164 6-membered heteroaryl group Chemical group 0.000 description 2
- QGZKDVFQNNGYKY-UHFFFAOYSA-O Ammonium Chemical compound [NH4+] QGZKDVFQNNGYKY-UHFFFAOYSA-O 0.000 description 2
- CIWBSHSKHKDKBQ-JLAZNSOCSA-N Ascorbic acid Chemical compound OC[C@H](O)[C@H]1OC(=O)C(O)=C1O CIWBSHSKHKDKBQ-JLAZNSOCSA-N 0.000 description 2
- XMWRBQBLMFGWIX-UHFFFAOYSA-N C60 fullerene Chemical class C12=C3C(C4=C56)=C7C8=C5C5=C9C%10=C6C6=C4C1=C1C4=C6C6=C%10C%10=C9C9=C%11C5=C8C5=C8C7=C3C3=C7C2=C1C1=C2C4=C6C4=C%10C6=C9C9=C%11C5=C5C8=C3C3=C7C1=C1C2=C4C6=C2C9=C5C3=C12 XMWRBQBLMFGWIX-UHFFFAOYSA-N 0.000 description 2
- BVKZGUZCCUSVTD-UHFFFAOYSA-L Carbonate Chemical compound [O-]C([O-])=O BVKZGUZCCUSVTD-UHFFFAOYSA-L 0.000 description 2
- 229940046168 CpG oligodeoxynucleotide Drugs 0.000 description 2
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Images
Classifications
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- C—CHEMISTRY; METALLURGY
- C07—ORGANIC CHEMISTRY
- C07D—HETEROCYCLIC COMPOUNDS
- C07D471/00—Heterocyclic compounds containing nitrogen atoms as the only ring hetero atoms in the condensed system, at least one ring being a six-membered ring with one nitrogen atom, not provided for by groups C07D451/00 - C07D463/00
- C07D471/02—Heterocyclic compounds containing nitrogen atoms as the only ring hetero atoms in the condensed system, at least one ring being a six-membered ring with one nitrogen atom, not provided for by groups C07D451/00 - C07D463/00 in which the condensed system contains two hetero rings
- C07D471/04—Ortho-condensed systems
-
- C—CHEMISTRY; METALLURGY
- C07—ORGANIC CHEMISTRY
- C07D—HETEROCYCLIC COMPOUNDS
- C07D215/00—Heterocyclic compounds containing quinoline or hydrogenated quinoline ring systems
- C07D215/02—Heterocyclic compounds containing quinoline or hydrogenated quinoline ring systems having no bond between the ring nitrogen atom and a non-ring member or having only hydrogen atoms or carbon atoms directly attached to the ring nitrogen atom
- C07D215/16—Heterocyclic compounds containing quinoline or hydrogenated quinoline ring systems having no bond between the ring nitrogen atom and a non-ring member or having only hydrogen atoms or carbon atoms directly attached to the ring nitrogen atom with hetero atoms or with carbon atoms having three bonds to hetero atoms with at the most one bond to halogen, e.g. ester or nitrile radicals, directly attached to ring carbon atoms
- C07D215/38—Nitrogen atoms
- C07D215/42—Nitrogen atoms attached in position 4
- C07D215/46—Nitrogen atoms attached in position 4 with hydrocarbon radicals, substituted by nitrogen atoms, attached to said nitrogen atoms
-
- 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
- Y02A—TECHNOLOGIES FOR ADAPTATION TO CLIMATE CHANGE
- Y02A50/00—TECHNOLOGIES FOR ADAPTATION TO CLIMATE CHANGE in human health protection, e.g. against extreme weather
- Y02A50/30—Against vector-borne diseases, e.g. mosquito-borne, fly-borne, tick-borne or waterborne diseases whose impact is exacerbated by climate change
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Abstract
Description
上記の化合物は、TLR7のアゴニスト又は活性化剤であり、サイトカイン誘導物質として機能してもよい。上記の化合物は、以下の化学式(I)を有する。
a)式(3)の化合物、若しくはその溶媒和物又は塩を提供するステップ
b)前記式(3)の化合物、若しくはその溶媒和物又は塩を1つ以上の試薬と反応させてR1及びR2位置の前記アミノ保護基を除去し、式(4)の化合物、若しくはその溶媒和物又は塩を得るステップ
第1態様の方法の好ましい実施形態は、以下、特許請求の範囲、及び図1A~1H、図2A~2D、図3A~3G、図4A~4H、図5A~5E、及び図6A~6Dのいずれか1つを参照し、以下で詳細に説明される。
ここで、
R71、R72、及びR73のそれぞれは、独立に、H、C1-6アルキル、C2-6アルケニル、C2-6アルキニル、3~7員シクロアルキル、5又は6員アリール、5又は6員ヘテロアリール、及び3~7員ヘテロシクリル基からなる群より選択され、ここでC1-6アルキル、C2-6アルケニル、C2-6アルキニル、3~7員シクロアルキル、5又は6員アリール、5又は6員ヘテロアリール、及び3~7員ヘテロシクリル基のそれぞれは、独立に、C1-3アルキル、ハロゲン、-CF3、-CN、アジド、-NO2、-OH、-O(C1-3アルキル)、-OCF3、=O、-S(C1-3アルキル)、-NH2、-NH(C1-3アルキル)、-N(C1-3アルキル)2、-NHS(O)2(C1-3アルキル)、-S(O)2NH2-z(C1-3アルキル)z、-C(=O)(C1-3アルキル)、-C(=O)OH、-C(=O)O(C1-3アルキル)、-C(=O)NH2-z(C1-3アルキル)z、-NHC(=O)(C1-3アルキル)、-NHC(=NH)NHz-2(C1-3アルキル)z、及び-N(C1-3アルキル)C(=NH)NH2-z(C1-3アルキル)zからなる群より選択される1個、2個又は3個の置換基で任意に置換され、ここで、それぞれのzは、独立に0、1、又は2であり、それぞれのC1-3アルキルは、独立に、メチル、エチル、プロピル、又はイソプロピルであり;
R81、R82、及びR83のそれぞれは、独立に、H、C1-4アルキル、C2-4アルケニル、C2-4アルキニル、3~6員シクロアルキル、5又は6員アリール、5又は6員ヘテロアリール、及び3~6員ヘテロシクリル基からなる群より選択され、ここでC1-4アルキル、C2-4アルケニル、C2-4アルキニル、3~6員シクロアルキル、5又は6員アリール、5又は6員ヘテロアリール、及び3~6員ヘテロシクリル基のそれぞれは、独立に、C1-3アルキル、ハロゲン、-CF3、-CN、アジド、-NO2、-OH、-O(C1-3アルキル)、-OCF3、=O、-S(C1-3アルキル)、-NH2、-NH(C1-3アルキル)、-N(C1-3アルキル)2、-NHS(O)2(C1-3アルキル)、-S(O)2NH2-z(C1-3アルキル)z、-C(=O)(C1-3アルキル)、-C(=O)OH、-C(=O)O(C1-3アルキル)、-C(=O)NH2-z(C1-3アルキル)z、-NHC(=O)(C1-3アルキル)、-NHC(=NH)NHz-2(C1-3アルキル)z、及び-N(C1-3アルキル)C(=NH)NH2-z(C1-3アルキル)zからなる群より選択される1個、2個又は3個の置換基で任意に置換され、ここで、それぞれのzは、独立に0、1、又は2であり、それぞれのC1-3アルキルは、独立に、メチル、エチル、プロピル、又はイソプロピルであり;及び
X1及びX2のそれぞれは、独立に、O、S、及びN(R84)から選択され、ここで、R84は、H又はC1-3アルキルである。
・溶媒効果(結晶の充填は極性溶媒と非極性溶媒とが異なる場合がある)
・成長パターンを阻害し、準安定多形の成長を促進する特定の不純物
・材料が結晶化する過飽和レベル(一般に、溶解度を超える濃度が高いほど、準安定形成の可能性が高くなる)
・結晶化が行われる温度
・共有結合の形状(立体配座多形につながる違い)
・攪拌条件の変更
a)式(3)の化合物、若しくはその溶媒和物又は塩を提供するステップ
b)前記式(3)の化合物、若しくはその溶媒和物又は塩を1つ以上の試薬と反応させてR1及びR2位置の前記アミノ保護基を除去し、式(4)の化合物、若しくはその溶媒和物又は塩を得るステップ
(1)Boc:強酸(例えば、トリフルオロ酢酸(TFA;例えば、DCM中で25~50%)、HCl(例えば、有機溶媒中で4~6M)、CH3SO3H(例えば、ジオキサン中で2M)、及び(H3C)3SiCl(TMSCl;例えば、DCM中で1MのTMSCl-フェノール)からなる群より選択される)の添加;
(2)Trt:強酸(例えば、TFA(例えば、DCM中の1%又は0.2%、DCM中の1%H2O)、HOBt(例えば、2,2,2-トリフルオロエタノール中の0.1M)、又はトリクロロ酢酸(TCA;例えば、DCM中の3%))の添加;
(3)Fmoc:塩基、特に第二級アミン(例えば、NH3(例えば、液体で約10時間)、モルホリン又はピペリジン(数分以内)、ジエチルアミン(DEA;例えば、10%)、ジメチルアセトアミド(DMA;例えば、2時間)、又は有機溶媒中の高分子(シリカゲル又はポリスチレン)第二級アミン(すなわち、ピペラジン又はピペリジン)の添加;
(4)Cbz:触媒性水素化分解、又は強酸(例えば、HBr(例えば、酢酸中)、TFA(例えば、高温;TFA-チオアニソール)、HF(例えば、液体)、又はBBr3)の添加;
(5)Alloc:アリル基のPd触媒による求核試薬又はスカベンジャーへの移動(例えば、Pd(PPh)3;スカベンジャー:有機溶媒中のH3N・BH3、Me2NH・BH3、又はPhSiH3)
全体的な説明で次の略語が使用される。SM:それぞれの合成ステップの出発材料;IPC:工程内管理;DCM:ジクロロメタン;TBME:tert-ブチルメチルエーテル;MeOH:メタノール;EtOH:エタノール;HCl:塩酸;NaOH:水酸化ナトリウム;Ac2O:無水酢酸;HPLC:高速液体クロマトグラフィー;LOD:乾燥による損失;IPA:2-プロパノール;pTSCl又はTsCl:塩化p-トルエンスルホニル;PTSA:p-トルエンスルホン酸;STAB:トリアセトキシ水素化ホウ素ナトリウム;eq.:当量;vol.:体積;NMR:核磁気共鳴;ppm:百万分率;THP:テトラヒドロピラニル;Ac2O:無水酢酸;mCPBA:3-クロロペルオキシ安息香酸
実施例1-本発明の方法を使用したN-(4-(4-アミノ-2-(2-メトキシエチル)-1H-イミダゾ[4,5-c]キノリン-1-イル)ブチル)-N-(テトラヒドロ-2H-ピラン-4-イル)アセトアミドの合成
化合物1(1当量)、p-トルエンスルホン酸一水和物(0.05当量)及びトルエン(10体積)を反応器に投入した。1,1,1,3-テトラメトキシプロパン(1.2当量)を添加した後、反応器の内容物を約95℃で還流するように調整し、化合物1の含有量をHPLCを使用してモニターした。
化合物1の含有量が初期面積の1.0%以下の面積に低下したとき(HPLCで判定)、反応器の内容物を10℃~15℃に調整し、6N HCl(5体積)を約1時間にわって反応器に加え、それにより温度を25℃以下に維持した。反応器の内容物を20℃~25℃で少なくとも2時間攪拌し、反応完了をHPLCによってモニターした。所望の生成物を含む下部水層を回収し、上部有機層を排出し、所望の生成物を含む回収した水層を反応器に移し、DCM(5体積)を加え、反応混合物を15分間攪拌し、15分間静置した。下部有機層を排出し、水(2体積)を反応器に加え、反応器の内容物を0℃~5℃に調整した。温度を30℃以下に維持しながら、NaOH(11当量)を反応器に少量ずつ加えた。反応混合物のpHを12以上に調整した後、反応混合物の温度を20℃~25℃に上昇させ、DCM(5体積)を加え、反応混合物を15分間攪拌し、15分間静置した。所望の生成物を含む下部有機層を回収し、DCM(5体積)を加え、反応混合物を15分間攪拌し、15分間静置した。生成物を含む下部有機層を回収し、上部水層を排出し、回収した2つの有機層を反応器内で合わせた。反応混合物中のDCMの量が1%以下になるまで、エタノールへの溶媒交換を行った。化合物4の量を決定し、フマル酸(定めらえた化合物4の量に対して1当量)を加え、反応混合物を20℃~25℃で少なくとも12時間攪拌し、式(4)の化合物をフマル酸付加塩として沈殿させた。TBME(10体積)を少なくとも30分にわたって加え、反応混合物を20℃~25℃で1~2時間攪拌した。窒素下で濾過して沈殿物を回収し、反応器をTBME(2x3体積)で洗浄し、この洗浄液を使用して窒素下で沈殿物を洗浄した。回収した沈殿物を40℃~45℃で少なくとも12時間乾燥した。
ステップb)から得られたフマル酸付加塩(1当量)としての化合物4、DCM(5体積)、及び2M NaOH(10体積)を反応器に加え、反応混合物を15分間攪拌し、15分間静置した。化合物4を遊離塩基として含む下部有機層を回収し、水相をDCM(5体積)で抽出し、下部有機層を回収した。上部水層を排出した後、2つの有機層を反応器に投入し、MgSO4(0.2重量%)を反応器に加え、反応混合物を5分間攪拌し、反応器の内容物を濾過してMgSO4を除去した。濾液を新しいクリーンな反応器に投入し、テトラヒドロピラノン(1.1当量)及び酢酸(1当量)を加え、反応混合物の温度を-10℃~0℃に調整した。温度を0℃以下に維持しながら、STAB(1.8当量)を少量ずつ加えた。添加が完了した後、温度を20℃~25℃に上昇させ、反応混合物を少なくとも18時間攪拌し、反応完了をHPLCによってモニターした。化合物4ターゲットの含有量が初期面積の0.50%以下になると、反応混合物を10℃~15℃に冷却し、温度を25℃以下に維持しながら、2M NaOH(10体積)を添加して反応をゆっくりとクエンチした。NaOHの添加が完了した後、反応混合物を15分間攪拌し、15分間静置した。所望の生成物を含む下部有機層を回収し、上部水層をDCM(10体積)で抽出し、所望の生成物を含む下部有機層を回収し、上部水層を排出した。MgSO4(0.2重量%)を反応器に加え、2つの有機層を反応器に投入し、反応混合物を少なくとも15分間攪拌した。MgSO4を濾過により除去し、MgSO4ケーキをDCM(1体積)で洗浄した。濾液をクリーンな反応器で合わせ、35℃~40℃の減圧下で約10~12体積に低減した。反応混合物の温度を20℃~25℃に調整し、温度を20℃~30℃の間に維持しながら無水酢酸(1当量)をゆっくりと加えた。添加が完了した後、反応混合物の温度を20℃~25℃に調整し、反応混合物を少なくとも24時間攪拌し、テトラヒドロピラニル付加物及びSTABの含有量をHPLCを使用してモニターした。テトラヒドロピラニル付加物及びSTABのそれぞれの含有量が初期面積の0.50%以下になったら、5%のNaHCO3溶液(10体積)を添加して反応をゆっくりとクエンチし反応物を15分間攪拌し、15分間静置した。所望の生成物を含む下部有機層を回収し、クリーンな反応器に投入した。MgSO4(0.2重量%)を加え、反応混合物を少なくとも15分間攪拌し、濾過してMgSO4を除去した。反応器をDCM(1体積)で洗浄し、この洗浄液を使用して、MgSO4ケーキを洗い流した。濾液をクリーンな反応器に再投入し、30℃以下の減圧下で、6~7体積に低減した。反応混合物中のDCMの含有量が10%以下になるまで、TBMEへの溶媒交換を行った。次に、TBME(3体積)を加え、反応混合物の温度を20℃~25℃に調整し、反応混合物を少なくとも1時間攪拌した。懸濁液を窒素下で濾過し、反応器及びフィルターケーキをTBME(2x2体積)で洗浄した。回収した沈殿物を35℃~40℃で少なくとも12時間乾燥した。
ステップc)から得られた化合物5(1当量)を反応器に投入し、DCM(10体積)を加え、反応混合物の温度を-10℃~0℃に調整した。温度を0℃以下に維持しながら、70%mCPBA(1.5当量)を反応器に少量ずつ加えた。添加が完了した後、反応混合物の温度を20℃~25℃に調整し、反応混合物を少なくとも2時間攪拌し、反応混合物中の化合物5の含有量をHPLCを使用してモニターした。反応混合物中の化合物5の含有量が初期量の4%以下になったら、反応混合物の温度を0℃~5℃に調整し、温度を20℃以下に維持しながら水酸化アンモニウム(10体積)を加えた。添加が完了した後、反応混合物の温度を0℃~5℃に調整し、温度を10℃以下に維持しながら、DCM(3体積)に溶解したpTsCl(1.5当量)を反応器にゆっくりと加えた。添加が完了した後、反応混合物の温度を20℃~25℃に調整し、反応混合物を少なくとも2時間攪拌し、反応混合物中のN-オキシド中間体の含有量をHPLCを使用してモニターした。反応混合物中のN-オキシド中間体の含有量が初期量の0.5%以下になったら、反応混合物の温度を30℃~35℃に調整し、反応混合物を少なくとも2時間攪拌した。反応混合物の温度を20℃~25℃に調整し、所望の生成物を含む下部有機層を回収し、クリーンな反応器に投入し、MgSO4(0.2重量%)を加え、反応混合物を少なくとも15分間攪拌した。反応混合物を濾過してMgSO4を除去し、反応器をDCM(1体積)で洗浄し、この洗浄液を使用してMgSO4ケーキを洗い流した。濾液をクリーンな反応器で合わせ、35℃~40℃の減圧下で、約10体積に低減し、得られた溶液中の式(I)の化合物の含有量を決定した。
ステップd)から得られた式(I)の化合物(1当量)の粗溶液を反応器に投入した。反応混合物中のDCMの含有量が1%以下になるまで、IPAへの溶媒交換を行った。次に、反応混合物の温度を5℃~10℃に調整し、反応混合物を少なくとも1時間攪拌した。懸濁液を濾過し、反応器をIPA(2体積)で洗浄し、洗浄液を5℃~10℃に冷却した後、フィルターケーキを洗い流すために使用した。反応器をTBME(2x5体積)で洗浄し、各洗浄液を使用してフィルターケーキを洗い流した。回収した沈殿物を35℃~40℃で少なくとも12時間乾燥した。
エタノール(10体積)中の5%水を反応器に投入し、ステップe)から得られた式(I)の化合物(1当量)を加えた。反応混合物の温度を65℃~70℃に調整し、30分~1時間保持した。式(I)の化合物が全て溶解したら、溶液を濾過し、濾液を65℃~70℃に予熱したクリーンな反応器に投入した。溶液の温度を3時間±30分にわたって45℃~50℃に調整した。式(I)の化合物の種結晶を加え、反応混合物の温度を少なくとも7時間にわたって0℃~5℃に調整し、反応混合物を少なくとも2時間にわたって0℃~5℃で攪拌した。懸濁液を濾過し、反応器をエタノール(2体積)中の5%水で洗浄し、洗浄液の温度を0℃~5℃に調整した後、フィルターケーキを洗い流すために使用した。反応器をTBME(2体積)で洗浄し、各洗浄液を使用してフィルターケーキを洗い流した。必要に応じて、結晶化ステップを繰り返した。
実施例2-クロマトグラフィー精製ステップを使用したN-(4-(4-アミノ-2-(2-メトキシエチル)-1H-イミダゾ[4,5-c]キノリン-1-イル)ブチル)-N-(テトラヒドロ-2H-ピラン-4-イル)アセトアミドの比較合成(比較方法B)
Claims (22)
- 式(I)の化合物、若しくはその溶媒和物又は塩を合成する方法であって、
a)式(3)の化合物、若しくはその溶媒和物又は塩を提供するステップと、
b)前記式(3)の化合物、若しくはその溶媒和物又は塩を1つ以上の試薬と反応させてR1及びR2位置の前記アミノ保護基を除去し、式(4)の化合物、若しくはその溶媒和物又は塩を得るステップと、
c)前記式(4)の化合物、若しくはその溶媒和物又は塩を、(i)テトラヒドロピラニル基及び(ii)アセチル基を導入するための1つ以上の試薬と反応させ、式(5)の化合物、若しくはその溶媒和物又は塩を得るステップと、
- (i)前記ステップc)の前に、前記式(4)の化合物、若しくはその溶媒和物又は塩を沈殿させ、(ii)前記ステップd)の前に、前記式(5)の化合物、若しくはその溶媒和物又は塩を沈殿させ、及び/又は(iii)前記ステップd)の後に、前記式(I)の化合物、若しくはその溶媒和物又は塩を沈殿させるステップをさらに含む、請求項1に記載の方法。
- R1及びR2のそれぞれは、独立に、-H、tert-ブチルオキシカルボニル(Boc)、9-フルオレニルメチルオキシカルボニル(Fmoc)、ベンジルオキシカルボニル(Cbz)、トシレート(Ts)、ベンジル(Bn)、アリルオキシカルボニル(Alloc)、トリチル(Trt)、ジメトキシトリチル(DMT)、及びモノメトキシトリチル(MMT)からなる群より選択される、請求項1又は2に記載の方法。
- 式(2)の前記誘導体が、カルボン酸ハロゲン化物、オルトエステル、及び1,1-ジアルコキシアルキルアルカノエートからなる群より選択される、請求項4に記載の方法。
- 式(2)の前記誘導体が、オルトエステル、好ましくは式(R10O)3C(CH2)2OCH3を有するオルトエステルであり、各R10は、独立に、アルキル、アルケニル、アルキニル、アリール、ヘテロアリール、シクロアルキル、及びヘテロシクロアルキルからなる群より選択される、請求項4又は5に記載の方法。
- 前記式(1)の化合物と前記式(2)の化合物との反応は、(i)芳香族溶媒などの溶媒中、(ii)酸の存在下、(iii)0℃~120℃の間などの好適な温度、例えば、溶媒が存在する場合、その還流温度、及び/又は(iv)30分から10時間などの十分な時間で行われる、請求項4~6のいずれか一項に記載の方法。
- 前記ステップb)は、(i)芳香族溶媒、例えば、前記ステップa)で使用される前記溶媒などの溶媒中、(ii)0℃~40℃の間などの好適な温度、及び/又は(iii)30分から5時間などの十分な時間で行われる、請求項1から7のいずれか一項に記載の方法。
- R1及びR2のそれぞれは、独立に、-H及びtert-ブチルオキシカルボニル(Boc)からなる群より選択され、前記ステップb)の前記アミノ保護基を除去する前記1つ以上の試薬は、トリフルオロ酢酸(TFA)、HCl、CH3SO3H、及び(H3C)3SiCl(TMSCl)からなる群より選択される、請求項1から8に記載の方法。
- 前記ステップb)は、前記式(3)の化合物、若しくはその溶媒和物又は塩を1つ以上の試薬と反応させて前記アミノ保護基を除去した後に、塩基を添加することをさらに含む、請求項9に記載の方法。
- 前記ステップc)のテトラヒドロピラニル基を導入するための前記1つ以上の試薬は、テトラヒドロピラノン及びホウ化水素などのテトラヒドロピラノン及び還元剤である、請求項1から10のいずれか一項に記載の方法。
- 前記ステップc)における、式(4)の前記化合物、若しくはその溶媒和物又は塩と、テトラヒドロピラニル基を導入するための前記1つ以上の試薬との反応は、(i)ハロゲン化有機溶媒などの溶媒中、(ii)酸の存在下、(iii)-20℃~40℃の間などの好適な温度、及び/又は(iv)5時間から24時間などの十分な時間で行われる、請求項1から11のいずれか一項に記載の方法。
- 前記ステップc)のアセチル基を導入するための前記1つ以上の試薬は、無水酢酸及びハロゲン化酢酸から選択される、請求項1から12のいずれか一項に記載の方法。
- 前記ステップc)における、式(4)の前記化合物、若しくはその溶媒和物又は塩と、アセチル基を導入するための前記1つ以上の試薬との反応は、(i)ハロゲン化有機溶媒などの溶媒中、(ii)0℃~50℃の間などの好適な温度、及び/又は(iii)6時間から48時間などの十分な時間で行われる、請求項1から13のいずれか一項に記載の方法。
- 前記ステップd)は、式(5)の前記化合物、若しくはその溶媒和物又は塩を、まず(i)酸化剤と反応させ、次に(ii)アシル化剤及びアミノ化剤と反応させることを含む、請求項1から14のいずれか一項に記載の方法。
- 前記酸化剤は、3-クロロペルオキシ安息香酸などのN-オキシドを形成することができる酸化剤から選択され、酸化反応は、好ましくは、(i)ハロゲン化有機溶媒などの溶媒中、(ii)-10℃~40℃の間などの好適な温度、及び/又は(iii)30分から12時間などの十分な時間で行われる、請求項15に記載の方法。
- 前記アシル化剤は、塩化メタンスルホニル、塩化ベンゼンスルホニル、又は塩化p-トルエンスルホニルなどの、ハロゲン化アルキルスルホニル及びハロゲン化アリールスルホニルからなる群より選択され、前記アシル化剤との反応は、好ましくは、i)ハロゲン化有機溶媒などの溶媒中、(ii)-10℃~40℃の間などの好適な温度、及び/又は(iii)30分から12時間などの十分な時間で行われる、請求項15又は16に記載の方法。
- 前記アミノ化剤は、アンモニア及びNH3水溶液、水酸化アンモニウム、炭酸アンモニウム、重炭酸アンモニウム又はリン酸アンモニウムなどの、その塩からなる群より選択され、前記アミノ化剤の前記反応は、好ましくは、(i)ハロゲン化有機溶媒などの溶媒中、(ii)-10℃~40℃の間などの好適な温度、及び/又は(iii)30分から12時間などの十分な時間で行われる、請求項15~17のいずれか一項に記載の方法。
- 前記方法は、前記ステップd)の後に、好ましくはアルコール溶媒から、式(I)の前記化合物、若しくはその溶媒和物又は塩を結晶化することをさらに含む、請求項1から18のいずれか一項に記載の方法。
- 前記ステップa)~d)の1つ以上は、クロマトグラフィーを使用しない方式で行われる、請求項1から19のいずれか一項に記載の方法。
- 式(I)の化合物を合成するための請求項21に記載の化合物の使用。
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