JP7470106B2 - Vadadustat中間体の製造方法 - Google Patents
Vadadustat中間体の製造方法 Download PDFInfo
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- JP7470106B2 JP7470106B2 JP2021515853A JP2021515853A JP7470106B2 JP 7470106 B2 JP7470106 B2 JP 7470106B2 JP 2021515853 A JP2021515853 A JP 2021515853A JP 2021515853 A JP2021515853 A JP 2021515853A JP 7470106 B2 JP7470106 B2 JP 7470106B2
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- JGRXMPYUTJLTKT-UHFFFAOYSA-N 2-[[5-(3-chlorophenyl)-3-hydroxypyridine-2-carbonyl]amino]acetic acid Chemical compound C1=C(O)C(C(=O)NCC(=O)O)=NC=C1C1=CC=CC(Cl)=C1 JGRXMPYUTJLTKT-UHFFFAOYSA-N 0.000 title claims description 132
- 229950004420 vadadustat Drugs 0.000 title claims description 132
- 239000000543 intermediate Substances 0.000 title description 116
- 238000000034 method Methods 0.000 title description 7
- 238000006243 chemical reaction Methods 0.000 claims description 98
- 150000001875 compounds Chemical class 0.000 claims description 77
- 239000003054 catalyst Substances 0.000 claims description 41
- UGFAIRIUMAVXCW-UHFFFAOYSA-N Carbon monoxide Chemical compound [O+]#[C-] UGFAIRIUMAVXCW-UHFFFAOYSA-N 0.000 claims description 37
- 229910002091 carbon monoxide Inorganic materials 0.000 claims description 37
- 229910052751 metal Inorganic materials 0.000 claims description 33
- 239000002184 metal Substances 0.000 claims description 33
- 125000004432 carbon atom Chemical group C* 0.000 claims description 28
- 238000004519 manufacturing process Methods 0.000 claims description 26
- DHMQDGOQFOQNFH-UHFFFAOYSA-N Glycine Chemical compound NCC(O)=O DHMQDGOQFOQNFH-UHFFFAOYSA-N 0.000 claims description 20
- 125000000217 alkyl group Chemical group 0.000 claims description 14
- 125000002887 hydroxy group Chemical group [H]O* 0.000 claims description 12
- 125000001424 substituent group Chemical group 0.000 claims description 12
- 239000004471 Glycine Substances 0.000 claims description 10
- SDEAGACSNFSZCU-UHFFFAOYSA-N (3-chlorophenyl)boronic acid Chemical compound OB(O)C1=CC=CC(Cl)=C1 SDEAGACSNFSZCU-UHFFFAOYSA-N 0.000 claims description 9
- 150000003839 salts Chemical class 0.000 claims description 9
- 125000003710 aryl alkyl group Chemical group 0.000 claims description 7
- 125000003118 aryl group Chemical group 0.000 claims description 7
- 229910052801 chlorine Inorganic materials 0.000 claims description 7
- 125000001309 chloro group Chemical group Cl* 0.000 claims description 7
- 150000002332 glycine derivatives Chemical class 0.000 claims description 6
- 238000003786 synthesis reaction Methods 0.000 description 60
- 239000002904 solvent Substances 0.000 description 37
- 239000003446 ligand Substances 0.000 description 34
- KDLHZDBZIXYQEI-UHFFFAOYSA-N palladium Substances [Pd] KDLHZDBZIXYQEI-UHFFFAOYSA-N 0.000 description 28
- 238000002156 mixing Methods 0.000 description 25
- 239000000243 solution Substances 0.000 description 24
- 239000002994 raw material Substances 0.000 description 21
- 239000002585 base Substances 0.000 description 17
- 239000007789 gas Substances 0.000 description 17
- IJGRMHOSHXDMSA-UHFFFAOYSA-N Atomic nitrogen Chemical compound N#N IJGRMHOSHXDMSA-UHFFFAOYSA-N 0.000 description 15
- -1 inorganic acid salts Chemical class 0.000 description 15
- 108091006146 Channels Proteins 0.000 description 13
- WEVYAHXRMPXWCK-UHFFFAOYSA-N Acetonitrile Chemical compound CC#N WEVYAHXRMPXWCK-UHFFFAOYSA-N 0.000 description 11
- 230000002829 reductive effect Effects 0.000 description 11
- ZMXDDKWLCZADIW-UHFFFAOYSA-N N,N-Dimethylformamide Chemical compound CN(C)C=O ZMXDDKWLCZADIW-UHFFFAOYSA-N 0.000 description 9
- 230000015572 biosynthetic process Effects 0.000 description 9
- 239000000203 mixture Substances 0.000 description 9
- JGFZNNIVVJXRND-UHFFFAOYSA-N N,N-Diisopropylethylamine (DIPEA) Chemical compound CCN(C(C)C)C(C)C JGFZNNIVVJXRND-UHFFFAOYSA-N 0.000 description 8
- 238000002360 preparation method Methods 0.000 description 8
- DWOZNANUEDYIOF-UHFFFAOYSA-L 4-ditert-butylphosphanyl-n,n-dimethylaniline;dichloropalladium Chemical compound Cl[Pd]Cl.CN(C)C1=CC=C(P(C(C)(C)C)C(C)(C)C)C=C1.CN(C)C1=CC=C(P(C(C)(C)C)C(C)(C)C)C=C1 DWOZNANUEDYIOF-UHFFFAOYSA-L 0.000 description 7
- 238000007872 degassing Methods 0.000 description 7
- 229910052757 nitrogen Inorganic materials 0.000 description 7
- 239000012071 phase Substances 0.000 description 7
- CSCPPACGZOOCGX-UHFFFAOYSA-N Acetone Chemical compound CC(C)=O CSCPPACGZOOCGX-UHFFFAOYSA-N 0.000 description 6
- SJRJJKPEHAURKC-UHFFFAOYSA-N N-Methylmorpholine Chemical compound CN1CCOCC1 SJRJJKPEHAURKC-UHFFFAOYSA-N 0.000 description 6
- HEMHJVSKTPXQMS-UHFFFAOYSA-M Sodium hydroxide Chemical compound [OH-].[Na+] HEMHJVSKTPXQMS-UHFFFAOYSA-M 0.000 description 6
- YXFVVABEGXRONW-UHFFFAOYSA-N Toluene Chemical compound CC1=CC=CC=C1 YXFVVABEGXRONW-UHFFFAOYSA-N 0.000 description 6
- ZMANZCXQSJIPKH-UHFFFAOYSA-N Triethylamine Chemical compound CCN(CC)CC ZMANZCXQSJIPKH-UHFFFAOYSA-N 0.000 description 6
- 230000035484 reaction time Effects 0.000 description 6
- KZPYGQFFRCFCPP-UHFFFAOYSA-N 1,1'-bis(diphenylphosphino)ferrocene Chemical compound [Fe+2].C1=CC=C[C-]1P(C=1C=CC=CC=1)C1=CC=CC=C1.C1=CC=C[C-]1P(C=1C=CC=CC=1)C1=CC=CC=C1 KZPYGQFFRCFCPP-UHFFFAOYSA-N 0.000 description 5
- QCKPJWDIDCGQRB-UHFFFAOYSA-N 2-bromo-3,5-dichloropyridine Chemical compound ClC1=CN=C(Br)C(Cl)=C1 QCKPJWDIDCGQRB-UHFFFAOYSA-N 0.000 description 5
- VEXZGXHMUGYJMC-UHFFFAOYSA-N Hydrochloric acid Chemical compound Cl VEXZGXHMUGYJMC-UHFFFAOYSA-N 0.000 description 5
- CPELXLSAUQHCOX-UHFFFAOYSA-N Hydrogen bromide Chemical compound Br CPELXLSAUQHCOX-UHFFFAOYSA-N 0.000 description 5
- 239000007788 liquid Substances 0.000 description 5
- LVJWGMCRAUALLY-UHFFFAOYSA-N methyl 2-[(3,5-dichloropyridine-2-carbonyl)amino]acetate Chemical compound COC(=O)CNC(=O)C1=C(C=C(C=N1)Cl)Cl LVJWGMCRAUALLY-UHFFFAOYSA-N 0.000 description 5
- 125000002496 methyl group Chemical group [H]C([H])([H])* 0.000 description 5
- IMFACGCPASFAPR-UHFFFAOYSA-N tributylamine Chemical compound CCCCN(CCCC)CCCC IMFACGCPASFAPR-UHFFFAOYSA-N 0.000 description 5
- XTHFKEDIFFGKHM-UHFFFAOYSA-N Dimethoxyethane Chemical compound COCCOC XTHFKEDIFFGKHM-UHFFFAOYSA-N 0.000 description 4
- FXHOOIRPVKKKFG-UHFFFAOYSA-N N,N-Dimethylacetamide Chemical compound CN(C)C(C)=O FXHOOIRPVKKKFG-UHFFFAOYSA-N 0.000 description 4
- XYFCBTPGUUZFHI-UHFFFAOYSA-N Phosphine Chemical compound P XYFCBTPGUUZFHI-UHFFFAOYSA-N 0.000 description 4
- CDBYLPFSWZWCQE-UHFFFAOYSA-L Sodium Carbonate Chemical compound [Na+].[Na+].[O-]C([O-])=O CDBYLPFSWZWCQE-UHFFFAOYSA-L 0.000 description 4
- WQDUMFSSJAZKTM-UHFFFAOYSA-N Sodium methoxide Chemical compound [Na+].[O-]C WQDUMFSSJAZKTM-UHFFFAOYSA-N 0.000 description 4
- LNAMMBFJMYMQTO-FNEBRGMMSA-N chloroform;(1e,4e)-1,5-diphenylpenta-1,4-dien-3-one;palladium Chemical compound [Pd].[Pd].ClC(Cl)Cl.C=1C=CC=CC=1\C=C\C(=O)\C=C\C1=CC=CC=C1.C=1C=CC=CC=1\C=C\C(=O)\C=C\C1=CC=CC=C1.C=1C=CC=CC=1\C=C\C(=O)\C=C\C1=CC=CC=C1 LNAMMBFJMYMQTO-FNEBRGMMSA-N 0.000 description 4
- 150000002148 esters Chemical class 0.000 description 4
- 239000003444 phase transfer catalyst Substances 0.000 description 4
- BWHMMNNQKKPAPP-UHFFFAOYSA-L potassium carbonate Chemical compound [K+].[K+].[O-]C([O-])=O BWHMMNNQKKPAPP-UHFFFAOYSA-L 0.000 description 4
- 230000002194 synthesizing effect Effects 0.000 description 4
- NHGXDBSUJJNIRV-UHFFFAOYSA-M tetrabutylammonium chloride Chemical compound [Cl-].CCCC[N+](CCCC)(CCCC)CCCC NHGXDBSUJJNIRV-UHFFFAOYSA-M 0.000 description 4
- FPGGTKZVZWFYPV-UHFFFAOYSA-M tetrabutylammonium fluoride Chemical compound [F-].CCCC[N+](CCCC)(CCCC)CCCC FPGGTKZVZWFYPV-UHFFFAOYSA-M 0.000 description 4
- GETQZCLCWQTVFV-UHFFFAOYSA-N trimethylamine Chemical compound CN(C)C GETQZCLCWQTVFV-UHFFFAOYSA-N 0.000 description 4
- RIOQSEWOXXDEQQ-UHFFFAOYSA-N triphenylphosphine Chemical compound C1=CC=CC=C1P(C=1C=CC=CC=1)C1=CC=CC=C1 RIOQSEWOXXDEQQ-UHFFFAOYSA-N 0.000 description 4
- CXNIUSPIQKWYAI-UHFFFAOYSA-N xantphos Chemical compound C=12OC3=C(P(C=4C=CC=CC=4)C=4C=CC=CC=4)C=CC=C3C(C)(C)C2=CC=CC=1P(C=1C=CC=CC=1)C1=CC=CC=C1 CXNIUSPIQKWYAI-UHFFFAOYSA-N 0.000 description 4
- LVEYOSJUKRVCCF-UHFFFAOYSA-N 1,3-Bis(diphenylphosphino)propane Substances C=1C=CC=CC=1P(C=1C=CC=CC=1)CCCP(C=1C=CC=CC=1)C1=CC=CC=C1 LVEYOSJUKRVCCF-UHFFFAOYSA-N 0.000 description 3
- GQHTUMJGOHRCHB-UHFFFAOYSA-N 2,3,4,6,7,8,9,10-octahydropyrimido[1,2-a]azepine Chemical compound C1CCCCN2CCCN=C21 GQHTUMJGOHRCHB-UHFFFAOYSA-N 0.000 description 3
- OISVCGZHLKNMSJ-UHFFFAOYSA-N 2,6-dimethylpyridine Chemical compound CC1=CC=CC(C)=N1 OISVCGZHLKNMSJ-UHFFFAOYSA-N 0.000 description 3
- ZWEHNKRNPOVVGH-UHFFFAOYSA-N 2-Butanone Chemical compound CCC(C)=O ZWEHNKRNPOVVGH-UHFFFAOYSA-N 0.000 description 3
- JYKZCYLZWZCQFP-UHFFFAOYSA-N 3,5-dichloropyridine-2-carboxylic acid Chemical compound OC(=O)C1=NC=C(Cl)C=C1Cl JYKZCYLZWZCQFP-UHFFFAOYSA-N 0.000 description 3
- UHOVQNZJYSORNB-UHFFFAOYSA-N Benzene Chemical compound C1=CC=CC=C1 UHOVQNZJYSORNB-UHFFFAOYSA-N 0.000 description 3
- YMWUJEATGCHHMB-UHFFFAOYSA-N Dichloromethane Chemical compound ClCCl YMWUJEATGCHHMB-UHFFFAOYSA-N 0.000 description 3
- RTZKZFJDLAIYFH-UHFFFAOYSA-N Diethyl ether Chemical compound CCOCC RTZKZFJDLAIYFH-UHFFFAOYSA-N 0.000 description 3
- XEKOWRVHYACXOJ-UHFFFAOYSA-N Ethyl acetate Chemical compound CCOC(C)=O XEKOWRVHYACXOJ-UHFFFAOYSA-N 0.000 description 3
- NTIZESTWPVYFNL-UHFFFAOYSA-N Methyl isobutyl ketone Chemical compound CC(C)CC(C)=O NTIZESTWPVYFNL-UHFFFAOYSA-N 0.000 description 3
- UIHCLUNTQKBZGK-UHFFFAOYSA-N Methyl isobutyl ketone Natural products CCC(C)C(C)=O UIHCLUNTQKBZGK-UHFFFAOYSA-N 0.000 description 3
- KWYUFKZDYYNOTN-UHFFFAOYSA-M Potassium hydroxide Chemical compound [OH-].[K+] KWYUFKZDYYNOTN-UHFFFAOYSA-M 0.000 description 3
- 239000002253 acid Substances 0.000 description 3
- 229910052783 alkali metal Inorganic materials 0.000 description 3
- 208000012839 conversion disease Diseases 0.000 description 3
- UAOMVDZJSHZZME-UHFFFAOYSA-N diisopropylamine Chemical compound CC(C)NC(C)C UAOMVDZJSHZZME-UHFFFAOYSA-N 0.000 description 3
- CNXMDTWQWLGCPE-UHFFFAOYSA-N ditert-butyl-(2-phenylphenyl)phosphane Chemical compound CC(C)(C)P(C(C)(C)C)C1=CC=CC=C1C1=CC=CC=C1 CNXMDTWQWLGCPE-UHFFFAOYSA-N 0.000 description 3
- 238000000605 extraction Methods 0.000 description 3
- COQRGFWWJBEXRC-UHFFFAOYSA-N hydron;methyl 2-aminoacetate;chloride Chemical compound Cl.COC(=O)CN COQRGFWWJBEXRC-UHFFFAOYSA-N 0.000 description 3
- 230000014759 maintenance of location Effects 0.000 description 3
- 238000012986 modification Methods 0.000 description 3
- 230000004048 modification Effects 0.000 description 3
- VLKZOEOYAKHREP-UHFFFAOYSA-N n-Hexane Chemical compound CCCCCC VLKZOEOYAKHREP-UHFFFAOYSA-N 0.000 description 3
- NFHFRUOZVGFOOS-UHFFFAOYSA-N palladium;triphenylphosphane Chemical compound [Pd].C1=CC=CC=C1P(C=1C=CC=CC=1)C1=CC=CC=C1.C1=CC=CC=C1P(C=1C=CC=CC=1)C1=CC=CC=C1.C1=CC=CC=C1P(C=1C=CC=CC=1)C1=CC=CC=C1.C1=CC=CC=C1P(C=1C=CC=CC=1)C1=CC=CC=C1 NFHFRUOZVGFOOS-UHFFFAOYSA-N 0.000 description 3
- 125000000999 tert-butyl group Chemical group [H]C([H])([H])C(*)(C([H])([H])[H])C([H])([H])[H] 0.000 description 3
- 150000003512 tertiary amines Chemical class 0.000 description 3
- XGCDBGRZEKYHNV-UHFFFAOYSA-N 1,1-bis(diphenylphosphino)methane Chemical compound C=1C=CC=CC=1P(C=1C=CC=CC=1)CP(C=1C=CC=CC=1)C1=CC=CC=C1 XGCDBGRZEKYHNV-UHFFFAOYSA-N 0.000 description 2
- QFMZQPDHXULLKC-UHFFFAOYSA-N 1,2-bis(diphenylphosphino)ethane Chemical compound C=1C=CC=CC=1P(C=1C=CC=CC=1)CCP(C=1C=CC=CC=1)C1=CC=CC=C1 QFMZQPDHXULLKC-UHFFFAOYSA-N 0.000 description 2
- ZEMZPXWZVTUONV-UHFFFAOYSA-N 2-(2-dicyclohexylphosphanylphenyl)-n,n-dimethylaniline Chemical compound CN(C)C1=CC=CC=C1C1=CC=CC=C1P(C1CCCCC1)C1CCCCC1 ZEMZPXWZVTUONV-UHFFFAOYSA-N 0.000 description 2
- BSKHPKMHTQYZBB-UHFFFAOYSA-N 2-methylpyridine Chemical compound CC1=CC=CC=N1 BSKHPKMHTQYZBB-UHFFFAOYSA-N 0.000 description 2
- ITQTTZVARXURQS-UHFFFAOYSA-N 3-methylpyridine Chemical compound CC1=CC=CN=C1 ITQTTZVARXURQS-UHFFFAOYSA-N 0.000 description 2
- VHYFNPMBLIVWCW-UHFFFAOYSA-N 4-Dimethylaminopyridine Chemical compound CN(C)C1=CC=NC=C1 VHYFNPMBLIVWCW-UHFFFAOYSA-N 0.000 description 2
- BCJVBDBJSMFBRW-UHFFFAOYSA-N 4-diphenylphosphanylbutyl(diphenyl)phosphane Chemical compound C=1C=CC=CC=1P(C=1C=CC=CC=1)CCCCP(C=1C=CC=CC=1)C1=CC=CC=C1 BCJVBDBJSMFBRW-UHFFFAOYSA-N 0.000 description 2
- XKRFYHLGVUSROY-UHFFFAOYSA-N Argon Chemical compound [Ar] XKRFYHLGVUSROY-UHFFFAOYSA-N 0.000 description 2
- ROSDSFDQCJNGOL-UHFFFAOYSA-N Dimethylamine Chemical compound CNC ROSDSFDQCJNGOL-UHFFFAOYSA-N 0.000 description 2
- IAZDPXIOMUYVGZ-UHFFFAOYSA-N Dimethylsulphoxide Chemical compound CS(C)=O IAZDPXIOMUYVGZ-UHFFFAOYSA-N 0.000 description 2
- QUSNBJAOOMFDIB-UHFFFAOYSA-N Ethylamine Chemical compound CCN QUSNBJAOOMFDIB-UHFFFAOYSA-N 0.000 description 2
- YNQLUTRBYVCPMQ-UHFFFAOYSA-N Ethylbenzene Chemical compound CCC1=CC=CC=C1 YNQLUTRBYVCPMQ-UHFFFAOYSA-N 0.000 description 2
- BZLVMXJERCGZMT-UHFFFAOYSA-N Methyl tert-butyl ether Chemical compound COC(C)(C)C BZLVMXJERCGZMT-UHFFFAOYSA-N 0.000 description 2
- BAVYZALUXZFZLV-UHFFFAOYSA-N Methylamine Chemical compound NC BAVYZALUXZFZLV-UHFFFAOYSA-N 0.000 description 2
- IMNFDUFMRHMDMM-UHFFFAOYSA-N N-Heptane Chemical compound CCCCCCC IMNFDUFMRHMDMM-UHFFFAOYSA-N 0.000 description 2
- SECXISVLQFMRJM-UHFFFAOYSA-N N-Methylpyrrolidone Chemical compound CN1CCCC1=O SECXISVLQFMRJM-UHFFFAOYSA-N 0.000 description 2
- 101100030361 Neurospora crassa (strain ATCC 24698 / 74-OR23-1A / CBS 708.71 / DSM 1257 / FGSC 987) pph-3 gene Proteins 0.000 description 2
- OFBQJSOFQDEBGM-UHFFFAOYSA-N Pentane Chemical compound CCCCC OFBQJSOFQDEBGM-UHFFFAOYSA-N 0.000 description 2
- NBIIXXVUZAFLBC-UHFFFAOYSA-N Phosphoric acid Chemical compound OP(O)(O)=O NBIIXXVUZAFLBC-UHFFFAOYSA-N 0.000 description 2
- JUJWROOIHBZHMG-UHFFFAOYSA-N Pyridine Chemical compound C1=CC=NC=C1 JUJWROOIHBZHMG-UHFFFAOYSA-N 0.000 description 2
- SMWDFEZZVXVKRB-UHFFFAOYSA-N Quinoline Chemical compound N1=CC=CC2=CC=CC=C21 SMWDFEZZVXVKRB-UHFFFAOYSA-N 0.000 description 2
- UIIMBOGNXHQVGW-UHFFFAOYSA-M Sodium bicarbonate Chemical compound [Na+].OC([O-])=O UIIMBOGNXHQVGW-UHFFFAOYSA-M 0.000 description 2
- WYURNTSHIVDZCO-UHFFFAOYSA-N Tetrahydrofuran Chemical compound C1CCOC1 WYURNTSHIVDZCO-UHFFFAOYSA-N 0.000 description 2
- 229910000288 alkali metal carbonate Inorganic materials 0.000 description 2
- 150000008041 alkali metal carbonates Chemical class 0.000 description 2
- 150000001408 amides Chemical class 0.000 description 2
- 150000004945 aromatic hydrocarbons Chemical class 0.000 description 2
- 125000004429 atom Chemical group 0.000 description 2
- KYTUFIMHJNRPLC-UHFFFAOYSA-N bis[3,5-bis(trifluoromethyl)phenyl]-[3,6-dimethoxy-2-[2,4,6-tri(propan-2-yl)phenyl]phenyl]phosphane Chemical compound COC1=CC=C(OC)C(C=2C(=CC(=CC=2C(C)C)C(C)C)C(C)C)=C1P(C=1C=C(C=C(C=1)C(F)(F)F)C(F)(F)F)C1=CC(C(F)(F)F)=CC(C(F)(F)F)=C1 KYTUFIMHJNRPLC-UHFFFAOYSA-N 0.000 description 2
- XJHCXCQVJFPJIK-UHFFFAOYSA-M caesium fluoride Chemical compound [F-].[Cs+] XJHCXCQVJFPJIK-UHFFFAOYSA-M 0.000 description 2
- PFKFTWBEEFSNDU-UHFFFAOYSA-N carbonyldiimidazole Chemical compound C1=CN=CN1C(=O)N1C=CN=C1 PFKFTWBEEFSNDU-UHFFFAOYSA-N 0.000 description 2
- 239000012295 chemical reaction liquid Substances 0.000 description 2
- SNRCKKQHDUIRIY-UHFFFAOYSA-L cyclopenta-1,4-dien-1-yl(diphenyl)phosphane;dichloromethane;dichloropalladium;iron(2+) Chemical compound [Fe+2].ClCCl.Cl[Pd]Cl.C1=C[CH-]C(P(C=2C=CC=CC=2)C=2C=CC=CC=2)=C1.C1=C[CH-]C(P(C=2C=CC=CC=2)C=2C=CC=CC=2)=C1 SNRCKKQHDUIRIY-UHFFFAOYSA-L 0.000 description 2
- NXQGGXCHGDYOHB-UHFFFAOYSA-L cyclopenta-1,4-dien-1-yl(diphenyl)phosphane;dichloropalladium;iron(2+) Chemical compound [Fe+2].Cl[Pd]Cl.[CH-]1C=CC(P(C=2C=CC=CC=2)C=2C=CC=CC=2)=C1.[CH-]1C=CC(P(C=2C=CC=CC=2)C=2C=CC=CC=2)=C1 NXQGGXCHGDYOHB-UHFFFAOYSA-L 0.000 description 2
- 238000010586 diagram Methods 0.000 description 2
- WDVGNXKCFBOKDF-UHFFFAOYSA-N dicyclohexyl-[3,6-dimethoxy-2-[2,4,6-tri(propan-2-yl)phenyl]phenyl]phosphane Chemical compound COC1=CC=C(OC)C(C=2C(=CC(=CC=2C(C)C)C(C)C)C(C)C)=C1P(C1CCCCC1)C1CCCCC1 WDVGNXKCFBOKDF-UHFFFAOYSA-N 0.000 description 2
- HASCQPSFPAKVEK-UHFFFAOYSA-N dimethyl(phenyl)phosphine Chemical compound CP(C)C1=CC=CC=C1 HASCQPSFPAKVEK-UHFFFAOYSA-N 0.000 description 2
- PTXJGGGNGMPMBG-UHFFFAOYSA-N ditert-butyl-[2-(1,3,5-triphenylpyrazol-4-yl)pyrazol-3-yl]phosphane Chemical compound CC(C)(C)P(C(C)(C)C)C1=CC=NN1C1=C(C=2C=CC=CC=2)N(C=2C=CC=CC=2)N=C1C1=CC=CC=C1 PTXJGGGNGMPMBG-UHFFFAOYSA-N 0.000 description 2
- SACNIGZYDTUHKB-UHFFFAOYSA-N ditert-butyl-[2-[2,4,6-tri(propan-2-yl)phenyl]phenyl]phosphane Chemical compound CC(C)C1=CC(C(C)C)=CC(C(C)C)=C1C1=CC=CC=C1P(C(C)(C)C)C(C)(C)C SACNIGZYDTUHKB-UHFFFAOYSA-N 0.000 description 2
- 239000003759 ester based solvent Substances 0.000 description 2
- 239000004210 ether based solvent Substances 0.000 description 2
- 229910052731 fluorine Inorganic materials 0.000 description 2
- 125000001153 fluoro group Chemical group F* 0.000 description 2
- 229910052736 halogen Inorganic materials 0.000 description 2
- 150000002367 halogens Chemical class 0.000 description 2
- GNOIPBMMFNIUFM-UHFFFAOYSA-N hexamethylphosphoric triamide Chemical compound CN(C)P(=O)(N(C)C)N(C)C GNOIPBMMFNIUFM-UHFFFAOYSA-N 0.000 description 2
- 238000004128 high performance liquid chromatography Methods 0.000 description 2
- 229910000042 hydrogen bromide Inorganic materials 0.000 description 2
- 150000007529 inorganic bases Chemical class 0.000 description 2
- XEEYBQQBJWHFJM-UHFFFAOYSA-N iron Substances [Fe] XEEYBQQBJWHFJM-UHFFFAOYSA-N 0.000 description 2
- JMMWKPVZQRWMSS-UHFFFAOYSA-N isopropanol acetate Natural products CC(C)OC(C)=O JMMWKPVZQRWMSS-UHFFFAOYSA-N 0.000 description 2
- 229940011051 isopropyl acetate Drugs 0.000 description 2
- 125000001449 isopropyl group Chemical group [H]C([H])([H])C([H])(*)C([H])([H])[H] 0.000 description 2
- GWYFCOCPABKNJV-UHFFFAOYSA-M isovalerate Chemical compound CC(C)CC([O-])=O GWYFCOCPABKNJV-UHFFFAOYSA-M 0.000 description 2
- 239000005453 ketone based solvent Substances 0.000 description 2
- UAEPNZWRGJTJPN-UHFFFAOYSA-N methylcyclohexane Chemical compound CC1CCCCC1 UAEPNZWRGJTJPN-UHFFFAOYSA-N 0.000 description 2
- 239000003595 mist Substances 0.000 description 2
- QJGQUHMNIGDVPM-UHFFFAOYSA-N nitrogen group Chemical group [N] QJGQUHMNIGDVPM-UHFFFAOYSA-N 0.000 description 2
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- PENAXHPKEVTBLF-UHFFFAOYSA-L palladium(2+);prop-1-ene;dichloride Chemical compound [Pd+]Cl.[Pd+]Cl.[CH2-]C=C.[CH2-]C=C PENAXHPKEVTBLF-UHFFFAOYSA-L 0.000 description 1
- VUYVXCJTTQJVKJ-UHFFFAOYSA-L palladium(2+);tricyclohexylphosphane;dichloride Chemical compound Cl[Pd]Cl.C1CCCCC1P(C1CCCCC1)C1CCCCC1.C1CCCCC1P(C1CCCCC1)C1CCCCC1 VUYVXCJTTQJVKJ-UHFFFAOYSA-L 0.000 description 1
- LXNAVEXFUKBNMK-UHFFFAOYSA-N palladium(II) acetate Substances [Pd].CC(O)=O.CC(O)=O LXNAVEXFUKBNMK-UHFFFAOYSA-N 0.000 description 1
- PIBWKRNGBLPSSY-UHFFFAOYSA-L palladium(II) chloride Chemical compound Cl[Pd]Cl PIBWKRNGBLPSSY-UHFFFAOYSA-L 0.000 description 1
- YJVFFLUZDVXJQI-UHFFFAOYSA-L palladium(ii) acetate Chemical compound [Pd+2].CC([O-])=O.CC([O-])=O YJVFFLUZDVXJQI-UHFFFAOYSA-L 0.000 description 1
- INIOZDBICVTGEO-UHFFFAOYSA-L palladium(ii) bromide Chemical compound Br[Pd]Br INIOZDBICVTGEO-UHFFFAOYSA-L 0.000 description 1
- UQPUONNXJVWHRM-UHFFFAOYSA-N palladium;triphenylphosphane Chemical compound [Pd].C1=CC=CC=C1P(C=1C=CC=CC=1)C1=CC=CC=C1 UQPUONNXJVWHRM-UHFFFAOYSA-N 0.000 description 1
- CUBIJGNGGJBNOC-UHFFFAOYSA-N palladium;tris(2-methylphenyl)phosphane Chemical compound [Pd].CC1=CC=CC=C1P(C=1C(=CC=CC=1)C)C1=CC=CC=C1C.CC1=CC=CC=C1P(C=1C(=CC=CC=1)C)C1=CC=CC=C1C CUBIJGNGGJBNOC-UHFFFAOYSA-N 0.000 description 1
- 230000036961 partial effect Effects 0.000 description 1
- 125000001997 phenyl group Chemical group [H]C1=C([H])C([H])=C(*)C([H])=C1[H] 0.000 description 1
- 125000000286 phenylethyl group Chemical group [H]C1=C([H])C([H])=C(C([H])=C1[H])C([H])([H])C([H])([H])* 0.000 description 1
- 125000004344 phenylpropyl group Chemical group 0.000 description 1
- 150000004714 phosphonium salts Chemical class 0.000 description 1
- 125000004437 phosphorous atom Chemical group 0.000 description 1
- 229910052698 phosphorus Inorganic materials 0.000 description 1
- 125000003386 piperidinyl group Chemical group 0.000 description 1
- 229910052697 platinum Inorganic materials 0.000 description 1
- 229910000028 potassium bicarbonate Inorganic materials 0.000 description 1
- 235000015497 potassium bicarbonate Nutrition 0.000 description 1
- 239000011736 potassium bicarbonate Substances 0.000 description 1
- RPDAUEIUDPHABB-UHFFFAOYSA-N potassium ethoxide Chemical compound [K+].CC[O-] RPDAUEIUDPHABB-UHFFFAOYSA-N 0.000 description 1
- 239000011698 potassium fluoride Substances 0.000 description 1
- 235000003270 potassium fluoride Nutrition 0.000 description 1
- TYJJADVDDVDEDZ-UHFFFAOYSA-M potassium hydrogencarbonate Chemical compound [K+].OC([O-])=O TYJJADVDDVDEDZ-UHFFFAOYSA-M 0.000 description 1
- BDAWXSQJJCIFIK-UHFFFAOYSA-N potassium methoxide Chemical compound [K+].[O-]C BDAWXSQJJCIFIK-UHFFFAOYSA-N 0.000 description 1
- 229910000160 potassium phosphate Inorganic materials 0.000 description 1
- 235000011009 potassium phosphates Nutrition 0.000 description 1
- OXCMYAYHXIHQOA-UHFFFAOYSA-N potassium;[2-butyl-5-chloro-3-[[4-[2-(1,2,4-triaza-3-azanidacyclopenta-1,4-dien-5-yl)phenyl]phenyl]methyl]imidazol-4-yl]methanol Chemical compound [K+].CCCCC1=NC(Cl)=C(CO)N1CC1=CC=C(C=2C(=CC=CC=2)C2=N[N-]N=N2)C=C1 OXCMYAYHXIHQOA-UHFFFAOYSA-N 0.000 description 1
- FCLYZQXPJKJTDR-UHFFFAOYSA-N potassium;diphenylphosphanide Chemical compound C=1C=CC=CC=1P([K])C1=CC=CC=C1 FCLYZQXPJKJTDR-UHFFFAOYSA-N 0.000 description 1
- 150000003141 primary amines Chemical class 0.000 description 1
- FVSKHRXBFJPNKK-UHFFFAOYSA-N propionitrile Chemical compound CCC#N FVSKHRXBFJPNKK-UHFFFAOYSA-N 0.000 description 1
- 230000001681 protective effect Effects 0.000 description 1
- UMJSCPRVCHMLSP-UHFFFAOYSA-N pyridine Natural products COC1=CC=CN=C1 UMJSCPRVCHMLSP-UHFFFAOYSA-N 0.000 description 1
- SBYHFKPVCBCYGV-UHFFFAOYSA-N quinuclidine Chemical compound C1CC2CCN1CC2 SBYHFKPVCBCYGV-UHFFFAOYSA-N 0.000 description 1
- 230000009257 reactivity Effects 0.000 description 1
- 230000000717 retained effect Effects 0.000 description 1
- 229910052703 rhodium Inorganic materials 0.000 description 1
- 229910052707 ruthenium Inorganic materials 0.000 description 1
- 150000003335 secondary amines Chemical class 0.000 description 1
- 238000000926 separation method Methods 0.000 description 1
- 125000003808 silyl group Chemical group [H][Si]([H])([H])[*] 0.000 description 1
- 229910000030 sodium bicarbonate Inorganic materials 0.000 description 1
- 235000017557 sodium bicarbonate Nutrition 0.000 description 1
- QDRKDTQENPPHOJ-UHFFFAOYSA-N sodium ethoxide Chemical compound [Na+].CC[O-] QDRKDTQENPPHOJ-UHFFFAOYSA-N 0.000 description 1
- 239000001488 sodium phosphate Substances 0.000 description 1
- 229910000162 sodium phosphate Inorganic materials 0.000 description 1
- MAPQBSXKBDVINV-UHFFFAOYSA-M sodium;3-(2-dicyclohexylphosphanylphenyl)-2,4-dimethoxybenzenesulfonate;hydrate Chemical compound O.[Na+].COC1=CC=C(S([O-])(=O)=O)C(OC)=C1C1=CC=CC=C1P(C1CCCCC1)C1CCCCC1 MAPQBSXKBDVINV-UHFFFAOYSA-M 0.000 description 1
- 229910001220 stainless steel Inorganic materials 0.000 description 1
- 239000010935 stainless steel Substances 0.000 description 1
- 230000003068 static effect Effects 0.000 description 1
- 230000004936 stimulating effect Effects 0.000 description 1
- 238000003860 storage Methods 0.000 description 1
- 239000000126 substance Substances 0.000 description 1
- 150000003462 sulfoxides Chemical class 0.000 description 1
- GFYHSKONPJXCDE-UHFFFAOYSA-N sym-collidine Natural products CC1=CN=C(C)C(C)=C1 GFYHSKONPJXCDE-UHFFFAOYSA-N 0.000 description 1
- YBFOCWHVCWSNQI-UHFFFAOYSA-N tert-butyl 2-[(3,5-dichloropyridine-2-carbonyl)amino]acetate Chemical compound CC(C)(C)OC(=O)CNC(=O)C1=C(C=C(C=N1)Cl)Cl YBFOCWHVCWSNQI-UHFFFAOYSA-N 0.000 description 1
- YLQBMQCUIZJEEH-UHFFFAOYSA-N tetrahydrofuran Natural products C=1C=COC=1 YLQBMQCUIZJEEH-UHFFFAOYSA-N 0.000 description 1
- 125000003718 tetrahydrofuranyl group Chemical group 0.000 description 1
- 125000001412 tetrahydropyranyl group Chemical group 0.000 description 1
- 125000003698 tetramethyl group Chemical group [H]C([H])([H])* 0.000 description 1
- 229910021515 thallium hydroxide Inorganic materials 0.000 description 1
- QGYXCSSUHCHXHB-UHFFFAOYSA-M thallium(i) hydroxide Chemical compound [OH-].[Tl+] QGYXCSSUHCHXHB-UHFFFAOYSA-M 0.000 description 1
- 125000005270 trialkylamine group Chemical group 0.000 description 1
- JCHWNYYARSRCKZ-UHFFFAOYSA-M tributyl(cyanomethyl)phosphanium;chloride Chemical compound [Cl-].CCCC[P+](CCCC)(CCCC)CC#N JCHWNYYARSRCKZ-UHFFFAOYSA-M 0.000 description 1
- ABJGUZZWSKMTEI-UHFFFAOYSA-M tributyl(dodecyl)phosphanium;bromide Chemical compound [Br-].CCCCCCCCCCCC[P+](CCCC)(CCCC)CCCC ABJGUZZWSKMTEI-UHFFFAOYSA-M 0.000 description 1
- SWZDQOUHBYYPJD-UHFFFAOYSA-N tridodecylamine Chemical compound CCCCCCCCCCCCN(CCCCCCCCCCCC)CCCCCCCCCCCC SWZDQOUHBYYPJD-UHFFFAOYSA-N 0.000 description 1
- IMNIMPAHZVJRPE-UHFFFAOYSA-N triethylenediamine Chemical compound C1CN2CCN1CC2 IMNIMPAHZVJRPE-UHFFFAOYSA-N 0.000 description 1
- RMZAYIKUYWXQPB-UHFFFAOYSA-N trioctylphosphane Chemical compound CCCCCCCCP(CCCCCCCC)CCCCCCCC RMZAYIKUYWXQPB-UHFFFAOYSA-N 0.000 description 1
- AXVOAMVQOCBPQT-UHFFFAOYSA-N triphos Chemical compound C=1C=CC=CC=1P(C=1C=CC=CC=1)CCP(C=1C=CC=CC=1)CCP(C=1C=CC=CC=1)C1=CC=CC=C1 AXVOAMVQOCBPQT-UHFFFAOYSA-N 0.000 description 1
- YFTHZRPMJXBUME-UHFFFAOYSA-N tripropylamine Chemical compound CCCN(CCC)CCC YFTHZRPMJXBUME-UHFFFAOYSA-N 0.000 description 1
- LENZDBCJOHFCAS-UHFFFAOYSA-N tris Chemical compound OCC(N)(CO)CO LENZDBCJOHFCAS-UHFFFAOYSA-N 0.000 description 1
- DLQYXUGCCKQSRJ-UHFFFAOYSA-N tris(furan-2-yl)phosphane Chemical compound C1=COC(P(C=2OC=CC=2)C=2OC=CC=2)=C1 DLQYXUGCCKQSRJ-UHFFFAOYSA-N 0.000 description 1
- RYFMWSXOAZQYPI-UHFFFAOYSA-K trisodium phosphate Chemical compound [Na+].[Na+].[Na+].[O-]P([O-])([O-])=O RYFMWSXOAZQYPI-UHFFFAOYSA-K 0.000 description 1
- 238000010626 work up procedure Methods 0.000 description 1
- 239000008096 xylene Substances 0.000 description 1
Images
Classifications
-
- C—CHEMISTRY; METALLURGY
- C07—ORGANIC CHEMISTRY
- C07D—HETEROCYCLIC COMPOUNDS
- C07D213/00—Heterocyclic compounds containing six-membered rings, not condensed with other rings, with one nitrogen atom as the only ring hetero atom and three or more double bonds between ring members or between ring members and non-ring members
- C07D213/02—Heterocyclic compounds containing six-membered rings, not condensed with other rings, with one nitrogen atom as the only ring hetero atom and three or more double bonds between ring members or between ring members and non-ring members having three double bonds between ring members or between ring members and non-ring members
- C07D213/04—Heterocyclic compounds containing six-membered rings, not condensed with other rings, with one nitrogen atom as the only ring hetero atom and three or more double bonds between ring members or between ring members and non-ring members having three double bonds between ring members or between ring members and non-ring members having no bond between the ring nitrogen atom and a non-ring member or having only hydrogen or carbon atoms directly attached to the ring nitrogen atom
- C07D213/60—Heterocyclic compounds containing six-membered rings, not condensed with other rings, with one nitrogen atom as the only ring hetero atom and three or more double bonds between ring members or between ring members and non-ring members having three double bonds between ring members or between ring members and non-ring members having no bond between the ring nitrogen atom and a non-ring member or having only hydrogen 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
- C07D213/78—Carbon atoms having three bonds to hetero atoms, with at the most one bond to halogen, e.g. ester or nitrile radicals
- C07D213/81—Amides; Imides
Landscapes
- Chemical & Material Sciences (AREA)
- Organic Chemistry (AREA)
- Organic Low-Molecular-Weight Compounds And Preparation Thereof (AREA)
Description
[1] 下記式(1);
(式(1)中、Xは、塩素原子、ヒドロキシ基、又はOP1を表す。P1は、酸素保護基を表す。)で表される化合物と、
下記式(2);
(式(2)中、R1は、ヒドロキシ基、OR2、又はNR3R4を表す。R2、R3、R4は、それぞれ独立して、置換基を有してもよい炭素数1~20のアルキル基、置換基を有してもよい炭素数6~20のアリール基、又は置換基を有してもよい炭素数7~20のアラルキル基を表す。またR3とR4が一緒になって環を形成してもよい。)で表されるグリシン、グリシン誘導体又はそれらの塩とを、一酸化炭素存在下で反応させる、
下記式(3);
(式(3)中、R1、及びXは前記に同じ。)で表される第1のVadadustat中間体の製造方法。
[2] 前記式(1)で表される化合物と、前記式(2)で表されるグリシン、グリシン誘導体又はそれらの塩との反応を、金属触媒存在下で実施することを特徴とする、[1]に記載の第1のVadadustat中間体の製造方法。
[3] 前記金属触媒が、Pdを含む触媒である[2]に記載の第1のVadadustat中間体の製造方法。
[4] 前記式(1)で表される化合物と、前記式(2)で表されるグリシン、グリシン誘導体又はそれらの塩との反応を、フロー式リアクター中で実施することを特徴とする、[1]~[3]のいずれかに記載の第1のVadadustat中間体の製造方法。
[5] 前記フロー式リアクター中で行う反応を、60℃以上で実施することを特徴とする、[4]に記載の第1のVadadustat中間体の製造方法。
[6] 前記フロー式リアクター中で行う反応を、ゲージ圧0.1MPa以上の加圧条件下で実施することを特徴とする、[4]又は[5]に記載の第1のVadadustat中間体の製造方法。
[7] 前記フロー式リアクター中で行う反応において、前記金属触媒の使用量が、前記式(1)で表される化合物1モルに対して、0.05モル以下であることを特徴とする、[4]~[6]のいずれかに記載の第1のVadadustat中間体の製造方法。
[8] [1]~[7]のいずれかに記載の製造方法によって前記式(3)で表される第1のVadadustat中間体を製造し、得られた第1のVadadustat中間体を含む反応液を、後処理することなく続けて3-クロロフェニルボロン酸と反応させる、
下記式(4);
(式(4)中、R1、Xは前記に同じ。)で表される第2のVadadustat中間体の製造方法。
Vadadustat中間体(3)を製造する出発物質の1つは、下記式(1)で表される化合物である。
Vadadustat中間体(3)を製造する出発物質の1つは、下記式(2)で表されるグリシン、グリシン誘導体又はそれらの塩である。
(式(2)中、R1は、ヒドロキシ基、OR2、又はNR3R4を表す。R2、R3、R4は、それぞれ独立して、置換基を有してもよい炭素数1~20のアルキル基、置換基を有してもよい炭素数6~20のアリール基、又は置換基を有してもよい炭素数7~20のアラルキル基を表す。またR3とR4が一緒になって環を形成してもよい。)
一酸化炭素は、気体として導入される。溶媒を用いた反応の場合、気液二相系の反応になる。一酸化炭素は、単独で反応系に導入してもよく、不活性ガス(窒素ガス、アルゴンガス等)と共に混合ガスにして反応系に導入してもよい。後述するフロー式リアクターによる反応を行う場合には、反応系に導入するガス(供給気体ともいう)の一酸化炭素濃度が高いほど好ましく、特に一酸化炭素単独が好ましい。高濃度の一酸化炭素を導入することで、必要量の一酸化炭素を供給することができる。供給気体の一酸化炭素の分圧(P1)は、全圧(P2)100%に対して、例えば、50%以上、好ましくは80%以上、より好ましくは90%以上であり、最も好ましくは100%である。
Vadadustat中間体(3)の合成反応は、更に反応を加速させるために金属触媒存在下で実施されることが好ましい。
Vadadustat中間体(3)の合成反応では、前記金属触媒とともに必要に応じて配位子を加えてもよい。
Vadadustat中間体(3)の合成反応では、必要に応じて反応溶媒を共存させて行ってもよい。
Vadadustat中間体(3)の合成反応では、更に反応を加速させるために塩基を添加してもよい。
前記化合物(1)と、前記化合物(2)とを、一酸化炭素、及び必要に応じて金属触媒、配位子、溶媒、塩基の存在下で反応させることにより、Vadadustat中間体(3)を合成する反応を行う。該反応は、バッチ式リアクターで行ってもよく、フロー式リアクターで行ってもよい。
線状流路リアクター部を有するフロー式リアクターの原料供給部は、好ましくは管状であり、前記管の内径は、好ましくは0.01mm以上、より好ましくは0.1mm以上、さらに好ましくは0.3mm以上であり、好ましくは50mm以下、より好ましくは20mm以下、さらに好ましくは10mm以下である。
De=4Af/Wp …(i)
(式(i)中、Af:流路断面積、Wp:濡れ縁長さ(断面にある壁面の長さ)である。)
面状流路リアクター部(以下、面状リアクター部ともいう。)を有するフロー式リアクターの原料供給部は、好ましくは管状であり、前記管の内径は、好ましくは0.01mm以上、より好ましくは0.1mm以上であり、好ましくは50mm以下である。
一方、Vadadustat中間体(3)を合成する反応をフロー式リアクターで行う場合、マスフローコントローラー等を用いて流量を制御しながら一酸化炭素又はその混合ガス(好ましくは一酸化炭素の単独ガス)を供給すればよい。Vadadustat中間体(3)を合成する反応をフロー式リアクターで行えば、バッチ式リアクターで行う場合のように過剰量の一酸化炭素を必要とせず、化学当量程度の一酸化炭素のみで反応を行えるため好ましい。
化合物(1)と、化合物(2)とを、一酸化炭素存在下で反応させることにより、下記式(3)で表される第1のVadadustat中間体を製造することができる。
前記Vadadustat中間体(3)を含む反応液を、必要に応じて単離や精製をした後で(好ましくは後処理をすることなく)、続けて3-クロロフェニルボロン酸と反応させることにより、下記Vadadustat中間体(4)を合成できる。該反応は、バッチ式リアクターで行ってもよく、フロー式リアクターで行ってもよい。Vadadustat中間体(3)を含む反応溶液を後処理することなく使用する場合、3-クロロフェニルボロン酸を入れおいた反応容器(図1の例の容器8等)にVadadustat中間体(3)を含む反応液を添加してもよいし、Vadadustat中間体(3)を含む反応液を入れた反応容器に3-クロロフェニルボロン酸を添加してもよい。
Vadadustat中間体(4)からVadadustatを製造する方法としては、中国特許出願公開第105837502号明細書に開示される方法をそのまま又は適宜変更して用いればよく、例えば、概略を以下の式で表すことができる。Vadadustat中間体(4)がX=塩素原子である式(4a)の化合物である場合、アルカリ金属(M)のアルコキシド(以下の式中、R10OMで表す。例えば、ナトリウムメトキシド等)で処理し、さらに酸(例えば、臭化水素等)で処理することによってVadadustatを製造できる。Vadadustat中間体(4)がX=ヒドロキシ基、又はOP1である式(4b)の化合物(ただし、式(4c)の化合物となる場合を除く)である場合、酸(例えば、臭化水素等)で処理することによってVadadustatを製造できる。Vadadustat中間体(4)がX=ヒドロキシ基、R1=ヒドロキシ基である式(4c)の化合物である場合、当該中間体(4c)がVadadustatに該当する。
カラム:COSMOSIL 5C18-AR-II(4.6mmI.D.×250mm)(ナカライテスク株式会社製)
移動相A:0.1%リン酸水溶液
移動相B:アセトニトリル
流速:1.0mL/分
検出波長:UV220nm
カラム温度:30℃
グラジエント条件:
時間(分) A液(%) B液(%)
0 95 5
25.0 5 95
28.0 5 95
28.1 95 5
35.0 95 5
保持時間:2-ブロモ-3,5-ジクロロピリジン;24.5分、N-(3,5-ジクロロピリジン-2-カルボニル)グリシンメチルエステル;16.7分、N-(3,5-ジクロロピリジン-2-カルボニル)グリシンtert-ブチルエステル;18.4分、N-[5-(3-クロロフェニル)-3-クロロピリジン-2-カルボニル]グリシンメチルエステル;21.9分、N-[5-(3-クロロフェニル)-3-クロロピリジン-2-カルボニル]グリシン;19.4分
また、必要に応じて、反応チューブの出口をReact IR15(メトラー・トレド株式会社製)に繋ぎ、リアルタイムで反応変換率を確認した。
特徴的なピーク:2-ブロモ-3,5-ジクロロピリジン;833cm-1、N-(3,5-ジクロロピリジン-2-カルボニル)グリシンメチルエステル;862cm-1
Vadadustat中間体(3x)の製造(バッチ反応)
反応容器に、2-ブロモ-3,5-ジクロロピリジン(1x)0.50g(2.2mmol)、グリシンエステル塩酸塩(2x)(R2x=メチル基(Me))0.42g(3.3mmol、1.5eq)、ジメチルアセトアミド2.50g((1x)の5倍質量)、1、8-ジアザビシクロ[5.4.0]-7-ウンデセン0.87g(5.7mmol、2.6eq)を順に加えた後、減圧脱気、窒素置換を3回実施した。次に、Pd2(dba)3・CHCl30.11g(0.11mmol、0.05eq)、dtbpf0.21g(0.44mmol、0.20eq)を加えた後、減圧脱気、窒素置換を3回実施した。続いて、減圧脱気、一酸化炭素置換を3回実施した後、80℃、常圧下(0MPaG)で5時間反応させて、Vadadustat中間体(3x)を製造した。取得した反応液を分析したところ、変換率は99.4%であった。
変換率=化合物(3x)の生成量(mol)/(化合物(3x)の生成量(mol)+化合物(1x)の残存量(mol))×100(%)
Vadadustat中間体(3x)の製造(バッチ反応)
表1及び表2に示す通り、グリシンエステル塩酸塩(2x)の種類(R2x)及び当量、溶媒の種類及び使用量、塩基の種類及び当量、金属触媒の種類及び当量、配位子の種類、反応温度、反応時間を変更した以外は、実施例1と同様に実施した。
Vadadustat中間体(3x)の製造(フロー反応)
原料溶液保管容器に、2-ブロモ-3,5-ジクロロピリジン(1x)0.50g(2.2mmol)、グリシンエステル塩酸塩(2x)(R2x=メチル基(Me))0.42g(3.3mmol、1.5eq)、ジメチルアセトアミド16.7g((1x)の33倍質量)、トリブチルアミン1.06g(5.7mmol、2.6eq)を順に加えた後、減圧脱気、窒素置換を3回実施した。次に、Pd2(dba)3・CHCl30.11g(0.11mmol、0.05eq)、dtbpf0.21g(0.44mmol、0.20eq)を加えた後、減圧脱気、窒素置換を3回実施することにより、原料溶液を調製した。
プランジャポンプ(FLOM社製)を用いて上記で調製した原料溶液を0.4mL/分で送液し、マスフローコントローラー(株式会社中村超硬社製)を用いて一酸化炭素を2.0mL/分(2.0eq)で送気し、原料溶液及び一酸化炭素をT字型ミキサー(EYELA社製、内径2mm)内で混合することにより、スラグ流を形成させた。続いてライン(ステンレス、内径2.17mm、長さ9m)中で0.8時間滞留させて、Vadadustat中間体(3x)を製造した後、出口ラインから反応液を全量回収した。尚、温調装置(ThalesNano社製)を用いて滞留ラインを120℃に加熱し、背圧弁(Equilibar社製)を用いて反応圧力(ゲージ圧)を0.6MPaに調節した。取得した反応液を分析したところ、変換率は99%、収率は84%であった。
変換率=化合物(3x)の生成量(mol)/(化合物(3x)の生成量(mol)+化合物(1x)の残存量(mol))×100(%)
Vadadustat中間体(3x)の製造(フロー反応)
表1及び表2に示す通り、金属触媒の当量、配位子の当量、原料溶液送液速度、一酸化炭素送気速度、T字型ミキサーの内径、反応温度、反応圧力を変更した以外は、実施例19と同様に実施した。尚、実施例23では、Swagelok社製のT字型ミキサーを使用した。
Vadadustat中間体(4x)の製造(Vadadustat中間体(3x)の後処理なし)
反応容器に、2-ブロモ-3,5-ジクロロピリジン(1x)0.50g(2.2mmol)、グリシンエステル塩酸塩(2x)(R2x=メチル基(Me))0.42g(3.3mmol、1.5eq)、ジメチルアセトアミド2.50g((1x)の5倍質量)、トリブチルアミン1.06g(5.7mmol、2.6eq)を順に加えた後、減圧脱気、窒素置換を3回実施した。次に、Pd2(dba)3・CHCl30.11g(0.11mmol、0.05eq)、dtbpf0.21g(0.44mmol、0.20eq)を加えた後、減圧脱気、窒素置換を3回実施した。続いて、減圧脱気、一酸化炭素置換を3回実施した後、80℃、常圧下(0MPaG)で2時間反応させてVadadustat中間体(3x)を製造した。取得した反応液を分析したところ、変換率は100%であった。
変換率=化合物(3x)の生成量(mol)/(化合物(3x)の生成量(mol)+化合物(1x)の残存量(mol))×100(%)
上記で取得したVadadustat中間体(3x)を含む反応液に、3-クロロフェニルボロン酸0.38g(2.4mmol、1.1eq)、炭酸カリウム0.41g(3.0mmol、1.4eq)、Pd2(dba)3・CHCl30.11g(0.11mmol、0.05eq)、dtbpf0.21g(0.44mmol、0.20eq)を加え、減圧脱気、窒素置換を3回実施した後、100℃で24時間反応させて第2のVadadustat中間体(4x)を製造した。取得した反応液を分析したところ、変換率は86.3%であった。
変換率=化合物(4x)の生成量(mol)/(化合物(4x)の生成量(mol)+化合物(3x)の残存量(mol))×100(%)
1b 原料溶液供給部
2 混合部
3 管状リアクター部
4 マスフローコントローラー
5 定量ポンプ
6 背圧弁
7 温度調節装置
8 バッチ式反応器
Claims (7)
- 下記式(1);
下記式(2);
下記式(3);
- 前記式(1)で表される化合物と、前記式(2)で表されるグリシン、グリシン誘導体又はそれらの塩との反応を、金属触媒存在下で実施することを特徴とする、請求項1に記載の第1のVadadustat中間体の製造方法。
- 前記金属触媒が、Pdを含む触媒である請求項2に記載の第1のVadadustat中間体の製造方法。
- 前記フロー式リアクター中で行う反応を、60℃以上で実施することを特徴とする、請求項1~3のいずれかに記載の第1のVadadustat中間体の製造方法。
- 前記フロー式リアクター中で行う反応を、ゲージ圧0.1MPa以上の加圧条件下で実施することを特徴とする、請求項1~4のいずれかに記載の第1のVadadustat中間体の製造方法。
- 前記フロー式リアクター中で行う反応において、前記金属触媒の使用量が、前記式(1)で表される化合物1モルに対して、0.05モル以下であることを特徴とする、請求項2又は3に記載の第1のVadadustat中間体の製造方法。
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