JP2022514740A - (5r)-4-[5-(3,5-ジクロロフェニル)-5-(トリフルオロメチル)-4h-イソオキサゾール-3-イル]-2-メチル-安息香酸のラセミ化方法 - Google Patents
(5r)-4-[5-(3,5-ジクロロフェニル)-5-(トリフルオロメチル)-4h-イソオキサゾール-3-イル]-2-メチル-安息香酸のラセミ化方法 Download PDFInfo
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- 238000000034 method Methods 0.000 title claims abstract description 43
- KBWVSPGZOPXKRR-QGZVFWFLSA-N 4-[(5r)-5-(3,5-dichlorophenyl)-5-(trifluoromethyl)-4h-1,2-oxazol-3-yl]-2-methylbenzoic acid Chemical compound C1=C(C(O)=O)C(C)=CC(C=2C[C@@](ON=2)(C=2C=C(Cl)C=C(Cl)C=2)C(F)(F)F)=C1 KBWVSPGZOPXKRR-QGZVFWFLSA-N 0.000 title claims abstract description 7
- 230000006340 racemization Effects 0.000 title claims description 13
- 239000003960 organic solvent Substances 0.000 claims description 187
- XEKOWRVHYACXOJ-UHFFFAOYSA-N Ethyl acetate Chemical compound CCOC(C)=O XEKOWRVHYACXOJ-UHFFFAOYSA-N 0.000 claims description 132
- KFZMGEQAYNKOFK-UHFFFAOYSA-N Isopropanol Chemical group CC(C)O KFZMGEQAYNKOFK-UHFFFAOYSA-N 0.000 claims description 114
- YXFVVABEGXRONW-UHFFFAOYSA-N Toluene Chemical compound CC1=CC=CC=C1 YXFVVABEGXRONW-UHFFFAOYSA-N 0.000 claims description 112
- LFQSCWFLJHTTHZ-UHFFFAOYSA-N Ethanol Chemical compound CCO LFQSCWFLJHTTHZ-UHFFFAOYSA-N 0.000 claims description 100
- 239000000203 mixture Substances 0.000 claims description 96
- 150000001875 compounds Chemical class 0.000 claims description 79
- WYURNTSHIVDZCO-UHFFFAOYSA-N Tetrahydrofuran Chemical compound C1CCOC1 WYURNTSHIVDZCO-UHFFFAOYSA-N 0.000 claims description 39
- KWYUFKZDYYNOTN-UHFFFAOYSA-M Potassium hydroxide Chemical compound [OH-].[K+] KWYUFKZDYYNOTN-UHFFFAOYSA-M 0.000 claims description 33
- -1 3,5-dichlorophenyl Chemical group 0.000 claims description 28
- HEMHJVSKTPXQMS-UHFFFAOYSA-M Sodium hydroxide Chemical compound [OH-].[Na+] HEMHJVSKTPXQMS-UHFFFAOYSA-M 0.000 claims description 27
- 125000002496 methyl group Chemical group [H]C([H])([H])* 0.000 claims description 27
- 125000001495 ethyl group Chemical group [H]C([H])([H])C([H])([H])* 0.000 claims description 26
- 239000002904 solvent Substances 0.000 claims description 24
- 125000004432 carbon atom Chemical group C* 0.000 claims description 23
- 239000010414 supernatant solution Substances 0.000 claims description 23
- 239000002244 precipitate Substances 0.000 claims description 21
- RYHBNJHYFVUHQT-UHFFFAOYSA-N 1,4-Dioxane Chemical compound C1COCCO1 RYHBNJHYFVUHQT-UHFFFAOYSA-N 0.000 claims description 20
- YLQBMQCUIZJEEH-UHFFFAOYSA-N tetrahydrofuran Natural products C=1C=COC=1 YLQBMQCUIZJEEH-UHFFFAOYSA-N 0.000 claims description 19
- 239000011541 reaction mixture Substances 0.000 claims description 18
- 125000002023 trifluoromethyl group Chemical group FC(F)(F)* 0.000 claims description 15
- QVQLCTNNEUAWMS-UHFFFAOYSA-N barium oxide Chemical compound [Ba]=O QVQLCTNNEUAWMS-UHFFFAOYSA-N 0.000 claims description 12
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 claims description 11
- KBWVSPGZOPXKRR-UHFFFAOYSA-N 4-[5-(3,5-dichlorophenyl)-5-(trifluoromethyl)-4h-1,2-oxazol-3-yl]-2-methylbenzoic acid Chemical compound C1=C(C(O)=O)C(C)=CC(C=2CC(ON=2)(C=2C=C(Cl)C=C(Cl)C=2)C(F)(F)F)=C1 KBWVSPGZOPXKRR-UHFFFAOYSA-N 0.000 claims description 10
- 150000001298 alcohols Chemical class 0.000 claims description 10
- 238000000926 separation method Methods 0.000 claims description 10
- MFGOFGRYDNHJTA-UHFFFAOYSA-N 2-amino-1-(2-fluorophenyl)ethanol Chemical compound NCC(O)C1=CC=CC=C1F MFGOFGRYDNHJTA-UHFFFAOYSA-N 0.000 claims description 8
- HUCVOHYBFXVBRW-UHFFFAOYSA-M caesium hydroxide Inorganic materials [OH-].[Cs+] HUCVOHYBFXVBRW-UHFFFAOYSA-M 0.000 claims description 8
- ZWLPBLYKEWSWPD-UHFFFAOYSA-N o-toluic acid Chemical compound CC1=CC=CC=C1C(O)=O ZWLPBLYKEWSWPD-UHFFFAOYSA-N 0.000 claims description 8
- 239000003444 phase transfer catalyst Substances 0.000 claims description 8
- 238000001914 filtration Methods 0.000 claims description 7
- RQPZNWPYLFFXCP-UHFFFAOYSA-L barium dihydroxide Chemical compound [OH-].[OH-].[Ba+2] RQPZNWPYLFFXCP-UHFFFAOYSA-L 0.000 claims description 6
- 229910001863 barium hydroxide Inorganic materials 0.000 claims description 6
- AXCZMVOFGPJBDE-UHFFFAOYSA-L calcium dihydroxide Chemical compound [OH-].[OH-].[Ca+2] AXCZMVOFGPJBDE-UHFFFAOYSA-L 0.000 claims description 6
- 239000000920 calcium hydroxide Substances 0.000 claims description 6
- 229910001861 calcium hydroxide Inorganic materials 0.000 claims description 6
- 238000010438 heat treatment Methods 0.000 claims description 6
- 125000000217 alkyl group Chemical group 0.000 claims description 5
- KBWVSPGZOPXKRR-KRWDZBQOSA-N 4-[(5s)-5-(3,5-dichlorophenyl)-5-(trifluoromethyl)-4h-1,2-oxazol-3-yl]-2-methylbenzoic acid Chemical compound C1=C(C(O)=O)C(C)=CC(C=2C[C@](ON=2)(C=2C=C(Cl)C=C(Cl)C=2)C(F)(F)F)=C1 KBWVSPGZOPXKRR-KRWDZBQOSA-N 0.000 claims description 4
- 239000006228 supernatant Substances 0.000 claims description 4
- FJDQFPXHSGXQBY-UHFFFAOYSA-L caesium carbonate Chemical compound [Cs+].[Cs+].[O-]C([O-])=O FJDQFPXHSGXQBY-UHFFFAOYSA-L 0.000 claims description 2
- 229910000024 caesium carbonate Inorganic materials 0.000 claims description 2
- BRPQOXSCLDDYGP-UHFFFAOYSA-N calcium oxide Chemical compound [O-2].[Ca+2] BRPQOXSCLDDYGP-UHFFFAOYSA-N 0.000 claims description 2
- 239000000292 calcium oxide Substances 0.000 claims description 2
- ODINCKMPIJJUCX-UHFFFAOYSA-N calcium oxide Inorganic materials [Ca]=O ODINCKMPIJJUCX-UHFFFAOYSA-N 0.000 claims description 2
- 150000002484 inorganic compounds Chemical class 0.000 claims description 2
- 229910010272 inorganic material Inorganic materials 0.000 claims description 2
- 239000000395 magnesium oxide Substances 0.000 claims description 2
- CPLXHLVBOLITMK-UHFFFAOYSA-N magnesium oxide Inorganic materials [Mg]=O CPLXHLVBOLITMK-UHFFFAOYSA-N 0.000 claims description 2
- AXZKOIWUVFPNLO-UHFFFAOYSA-N magnesium;oxygen(2-) Chemical compound [O-2].[Mg+2] AXZKOIWUVFPNLO-UHFFFAOYSA-N 0.000 claims description 2
- 150000002012 dioxanes Chemical class 0.000 claims 1
- ZMANZCXQSJIPKH-UHFFFAOYSA-N Triethylamine Chemical compound CCN(CC)CC ZMANZCXQSJIPKH-UHFFFAOYSA-N 0.000 description 72
- LRHPLDYGYMQRHN-UHFFFAOYSA-N N-Butanol Chemical compound CCCCO LRHPLDYGYMQRHN-UHFFFAOYSA-N 0.000 description 48
- BDERNNFJNOPAEC-UHFFFAOYSA-N propan-1-ol Chemical compound CCCO BDERNNFJNOPAEC-UHFFFAOYSA-N 0.000 description 44
- MVPPADPHJFYWMZ-UHFFFAOYSA-N chlorobenzene Chemical compound ClC1=CC=CC=C1 MVPPADPHJFYWMZ-UHFFFAOYSA-N 0.000 description 42
- BZLVMXJERCGZMT-UHFFFAOYSA-N Methyl tert-butyl ether Chemical compound COC(C)(C)C BZLVMXJERCGZMT-UHFFFAOYSA-N 0.000 description 34
- IVSZLXZYQVIEFR-UHFFFAOYSA-N m-xylene Chemical group CC1=CC=CC(C)=C1 IVSZLXZYQVIEFR-UHFFFAOYSA-N 0.000 description 34
- AMQJEAYHLZJPGS-UHFFFAOYSA-N N-Pentanol Chemical compound CCCCCO AMQJEAYHLZJPGS-UHFFFAOYSA-N 0.000 description 32
- HEDRZPFGACZZDS-UHFFFAOYSA-N Chloroform Chemical compound ClC(Cl)Cl HEDRZPFGACZZDS-UHFFFAOYSA-N 0.000 description 26
- 229960001701 chloroform Drugs 0.000 description 25
- WSLDOOZREJYCGB-UHFFFAOYSA-N 1,2-Dichloroethane Chemical compound ClCCCl WSLDOOZREJYCGB-UHFFFAOYSA-N 0.000 description 23
- DKPFZGUDAPQIHT-UHFFFAOYSA-N Butyl acetate Natural products CCCCOC(C)=O DKPFZGUDAPQIHT-UHFFFAOYSA-N 0.000 description 22
- BTANRVKWQNVYAZ-UHFFFAOYSA-N butan-2-ol Chemical compound CCC(C)O BTANRVKWQNVYAZ-UHFFFAOYSA-N 0.000 description 22
- ZSIAUFGUXNUGDI-UHFFFAOYSA-N hexan-1-ol Chemical compound CCCCCCO ZSIAUFGUXNUGDI-UHFFFAOYSA-N 0.000 description 22
- FUZZWVXGSFPDMH-UHFFFAOYSA-M hexanoate Chemical compound CCCCCC([O-])=O FUZZWVXGSFPDMH-UHFFFAOYSA-M 0.000 description 22
- AUHZEENZYGFFBQ-UHFFFAOYSA-N mesitylene Substances CC1=CC(C)=CC(C)=C1 AUHZEENZYGFFBQ-UHFFFAOYSA-N 0.000 description 20
- 125000001827 mesitylenyl group Chemical group [H]C1=C(C(*)=C(C([H])=C1C([H])([H])[H])C([H])([H])[H])C([H])([H])[H] 0.000 description 20
- 239000002585 base Substances 0.000 description 19
- SKTCDJAMAYNROS-UHFFFAOYSA-N methoxycyclopentane Chemical compound COC1CCCC1 SKTCDJAMAYNROS-UHFFFAOYSA-N 0.000 description 19
- 239000000243 solution Substances 0.000 description 18
- UVXXBSCXKKIBCH-SNVBAGLBSA-N (1r)-2-methyl-1-phenylpropan-1-amine Chemical compound CC(C)[C@@H](N)C1=CC=CC=C1 UVXXBSCXKKIBCH-SNVBAGLBSA-N 0.000 description 13
- 238000009835 boiling Methods 0.000 description 13
- QPRQEDXDYOZYLA-UHFFFAOYSA-N 2-methylbutan-1-ol Chemical compound CCC(C)CO QPRQEDXDYOZYLA-UHFFFAOYSA-N 0.000 description 12
- MSXVEPNJUHWQHW-UHFFFAOYSA-N 2-methylbutan-2-ol Chemical compound CCC(C)(C)O MSXVEPNJUHWQHW-UHFFFAOYSA-N 0.000 description 12
- AQIXEPGDORPWBJ-UHFFFAOYSA-N pentan-3-ol Chemical compound CCC(O)CC AQIXEPGDORPWBJ-UHFFFAOYSA-N 0.000 description 12
- UHOVQNZJYSORNB-UHFFFAOYSA-N Benzene Chemical class C1=CC=CC=C1 UHOVQNZJYSORNB-UHFFFAOYSA-N 0.000 description 11
- 241000087801 Ioba Species 0.000 description 11
- 239000007864 aqueous solution Substances 0.000 description 11
- AFABGHUZZDYHJO-UHFFFAOYSA-N 2-Methylpentane Chemical compound CCCC(C)C AFABGHUZZDYHJO-UHFFFAOYSA-N 0.000 description 10
- NBIIXXVUZAFLBC-UHFFFAOYSA-N Phosphoric acid Chemical compound OP(O)(O)=O NBIIXXVUZAFLBC-UHFFFAOYSA-N 0.000 description 10
- JYVLIDXNZAXMDK-UHFFFAOYSA-N pentan-2-ol Chemical compound CCCC(C)O JYVLIDXNZAXMDK-UHFFFAOYSA-N 0.000 description 10
- QTBSBXVTEAMEQO-UHFFFAOYSA-N Acetic acid Chemical compound CC(O)=O QTBSBXVTEAMEQO-UHFFFAOYSA-N 0.000 description 9
- XTHFKEDIFFGKHM-UHFFFAOYSA-N Dimethoxyethane Chemical compound COCCOC XTHFKEDIFFGKHM-UHFFFAOYSA-N 0.000 description 9
- VEXZGXHMUGYJMC-UHFFFAOYSA-N Hydrochloric acid Chemical compound Cl VEXZGXHMUGYJMC-UHFFFAOYSA-N 0.000 description 9
- 238000006243 chemical reaction Methods 0.000 description 9
- 239000007787 solid Substances 0.000 description 9
- KBPLFHHGFOOTCA-UHFFFAOYSA-N 1-Octanol Chemical compound CCCCCCCCO KBPLFHHGFOOTCA-UHFFFAOYSA-N 0.000 description 8
- BBMCTIGTTCKYKF-UHFFFAOYSA-N 1-heptanol Chemical compound CCCCCCCO BBMCTIGTTCKYKF-UHFFFAOYSA-N 0.000 description 8
- MXLMTQWGSQIYOW-UHFFFAOYSA-N 3-methyl-2-butanol Chemical compound CC(C)C(C)O MXLMTQWGSQIYOW-UHFFFAOYSA-N 0.000 description 8
- AFVFQIVMOAPDHO-UHFFFAOYSA-N Methanesulfonic acid Chemical compound CS(O)(=O)=O AFVFQIVMOAPDHO-UHFFFAOYSA-N 0.000 description 8
- PHTQWCKDNZKARW-UHFFFAOYSA-N isoamylol Chemical compound CC(C)CCO PHTQWCKDNZKARW-UHFFFAOYSA-N 0.000 description 8
- 239000012074 organic phase Substances 0.000 description 8
- 239000000047 product Substances 0.000 description 8
- JOXIMZWYDAKGHI-UHFFFAOYSA-N toluene-4-sulfonic acid Chemical compound CC1=CC=C(S(O)(=O)=O)C=C1 JOXIMZWYDAKGHI-UHFFFAOYSA-N 0.000 description 8
- 239000007788 liquid Substances 0.000 description 7
- 238000003756 stirring Methods 0.000 description 7
- WEVYAHXRMPXWCK-UHFFFAOYSA-N Acetonitrile Chemical compound CC#N WEVYAHXRMPXWCK-UHFFFAOYSA-N 0.000 description 6
- YMWUJEATGCHHMB-UHFFFAOYSA-N Dichloromethane Chemical compound ClCCl YMWUJEATGCHHMB-UHFFFAOYSA-N 0.000 description 6
- CPELXLSAUQHCOX-UHFFFAOYSA-N Hydrogen bromide Chemical compound Br CPELXLSAUQHCOX-UHFFFAOYSA-N 0.000 description 6
- MUBZPKHOEPUJKR-UHFFFAOYSA-N Oxalic acid Chemical compound OC(=O)C(O)=O MUBZPKHOEPUJKR-UHFFFAOYSA-N 0.000 description 6
- QAOWNCQODCNURD-UHFFFAOYSA-N Sulfuric acid Chemical compound OS(O)(=O)=O QAOWNCQODCNURD-UHFFFAOYSA-N 0.000 description 6
- 239000002253 acid Substances 0.000 description 6
- 125000001931 aliphatic group Chemical group 0.000 description 6
- WPYMKLBDIGXBTP-UHFFFAOYSA-N benzoic acid Chemical compound OC(=O)C1=CC=CC=C1 WPYMKLBDIGXBTP-UHFFFAOYSA-N 0.000 description 6
- MVPPADPHJFYWMZ-IDEBNGHGSA-N chlorobenzene Chemical group Cl[13C]1=[13CH][13CH]=[13CH][13CH]=[13CH]1 MVPPADPHJFYWMZ-IDEBNGHGSA-N 0.000 description 6
- KRKNYBCHXYNGOX-UHFFFAOYSA-N citric acid Chemical compound OC(=O)CC(O)(C(O)=O)CC(O)=O KRKNYBCHXYNGOX-UHFFFAOYSA-N 0.000 description 6
- UAOMVDZJSHZZME-UHFFFAOYSA-N diisopropylamine Chemical compound CC(C)NC(C)C UAOMVDZJSHZZME-UHFFFAOYSA-N 0.000 description 6
- 125000000532 dioxanyl group Chemical group 0.000 description 6
- ZXEKIIBDNHEJCQ-UHFFFAOYSA-N isobutanol Chemical compound CC(C)CO ZXEKIIBDNHEJCQ-UHFFFAOYSA-N 0.000 description 6
- 238000010992 reflux Methods 0.000 description 6
- 150000003839 salts Chemical class 0.000 description 6
- 239000000725 suspension Substances 0.000 description 6
- 230000002378 acidificating effect Effects 0.000 description 5
- 239000003513 alkali Substances 0.000 description 5
- 229910000147 aluminium phosphate Inorganic materials 0.000 description 5
- IXCSERBJSXMMFS-UHFFFAOYSA-N hydrogen chloride Substances Cl.Cl IXCSERBJSXMMFS-UHFFFAOYSA-N 0.000 description 5
- 229910000041 hydrogen chloride Inorganic materials 0.000 description 5
- 125000002887 hydroxy group Chemical group [H]O* 0.000 description 5
- 125000003944 tolyl group Chemical group 0.000 description 5
- QPFMBZIOSGYJDE-UHFFFAOYSA-N 1,1,2,2-tetrachloroethane Chemical compound ClC(Cl)C(Cl)Cl QPFMBZIOSGYJDE-UHFFFAOYSA-N 0.000 description 4
- 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 4
- UWOVWIIOKHRNKU-UHFFFAOYSA-N 2,6-diphenyl-4-(2,4,6-triphenylpyridin-1-ium-1-yl)phenolate Chemical compound [O-]C1=C(C=2C=CC=CC=2)C=C([N+]=2C(=CC(=CC=2C=2C=CC=CC=2)C=2C=CC=CC=2)C=2C=CC=CC=2)C=C1C1=CC=CC=C1 UWOVWIIOKHRNKU-UHFFFAOYSA-N 0.000 description 4
- WRMNZCZEMHIOCP-UHFFFAOYSA-N 2-phenylethanol Chemical compound OCCC1=CC=CC=C1 WRMNZCZEMHIOCP-UHFFFAOYSA-N 0.000 description 4
- 239000005711 Benzoic acid Substances 0.000 description 4
- CPELXLSAUQHCOX-UHFFFAOYSA-M Bromide Chemical compound [Br-] CPELXLSAUQHCOX-UHFFFAOYSA-M 0.000 description 4
- 239000007848 Bronsted acid Substances 0.000 description 4
- VEXZGXHMUGYJMC-UHFFFAOYSA-M Chloride anion Chemical compound [Cl-] VEXZGXHMUGYJMC-UHFFFAOYSA-M 0.000 description 4
- VZCYOOQTPOCHFL-OWOJBTEDSA-N Fumaric acid Chemical compound OC(=O)\C=C\C(O)=O VZCYOOQTPOCHFL-OWOJBTEDSA-N 0.000 description 4
- UUIQMZJEGPQKFD-UHFFFAOYSA-N Methyl butyrate Chemical compound CCCC(=O)OC UUIQMZJEGPQKFD-UHFFFAOYSA-N 0.000 description 4
- JGFZNNIVVJXRND-UHFFFAOYSA-N N,N-Diisopropylethylamine (DIPEA) Chemical compound CCN(C(C)C)C(C)C JGFZNNIVVJXRND-UHFFFAOYSA-N 0.000 description 4
- DKGAVHZHDRPRBM-UHFFFAOYSA-N Tert-Butanol Chemical compound CC(C)(C)O DKGAVHZHDRPRBM-UHFFFAOYSA-N 0.000 description 4
- 239000004480 active ingredient Substances 0.000 description 4
- XXROGKLTLUQVRX-UHFFFAOYSA-N allyl alcohol Chemical compound OCC=C XXROGKLTLUQVRX-UHFFFAOYSA-N 0.000 description 4
- QARVLSVVCXYDNA-UHFFFAOYSA-N bromobenzene Chemical compound BrC1=CC=CC=C1 QARVLSVVCXYDNA-UHFFFAOYSA-N 0.000 description 4
- 238000001816 cooling Methods 0.000 description 4
- KTHXBEHDVMTNOH-UHFFFAOYSA-N cyclobutanol Chemical compound OC1CCC1 KTHXBEHDVMTNOH-UHFFFAOYSA-N 0.000 description 4
- XCIXKGXIYUWCLL-UHFFFAOYSA-N cyclopentanol Chemical compound OC1CCCC1 XCIXKGXIYUWCLL-UHFFFAOYSA-N 0.000 description 4
- YOXHCYXIAVIFCZ-UHFFFAOYSA-N cyclopropanol Chemical compound OC1CC1 YOXHCYXIAVIFCZ-UHFFFAOYSA-N 0.000 description 4
- MWKFXSUHUHTGQN-UHFFFAOYSA-N decan-1-ol Chemical compound CCCCCCCCCCO MWKFXSUHUHTGQN-UHFFFAOYSA-N 0.000 description 4
- AQEFLFZSWDEAIP-UHFFFAOYSA-N di-tert-butyl ether Chemical compound CC(C)(C)OC(C)(C)C AQEFLFZSWDEAIP-UHFFFAOYSA-N 0.000 description 4
- MTZQAGJQAFMTAQ-UHFFFAOYSA-N ethyl benzoate Chemical compound CCOC(=O)C1=CC=CC=C1 MTZQAGJQAFMTAQ-UHFFFAOYSA-N 0.000 description 4
- FKRCODPIKNYEAC-UHFFFAOYSA-N ethyl propionate Chemical compound CCOC(=O)CC FKRCODPIKNYEAC-UHFFFAOYSA-N 0.000 description 4
- 238000000605 extraction Methods 0.000 description 4
- JVTAAEKCZFNVCJ-UHFFFAOYSA-N lactic acid Chemical compound CC(O)C(O)=O JVTAAEKCZFNVCJ-UHFFFAOYSA-N 0.000 description 4
- 229940098779 methanesulfonic acid Drugs 0.000 description 4
- KPSSIOMAKSHJJG-UHFFFAOYSA-N neopentyl alcohol Chemical compound CC(C)(C)CO KPSSIOMAKSHJJG-UHFFFAOYSA-N 0.000 description 4
- 229910000342 sodium bisulfate Inorganic materials 0.000 description 4
- VZCYOOQTPOCHFL-UHFFFAOYSA-N trans-butenedioic acid Natural products OC(=O)C=CC(O)=O VZCYOOQTPOCHFL-UHFFFAOYSA-N 0.000 description 4
- AQFLVLHRZFLDDV-VIFPVBQESA-N (1s)-1-phenylpropan-1-amine Chemical compound CC[C@H](N)C1=CC=CC=C1 AQFLVLHRZFLDDV-VIFPVBQESA-N 0.000 description 3
- SCYULBFZEHDVBN-UHFFFAOYSA-N 1,1-Dichloroethane Chemical compound CC(Cl)Cl SCYULBFZEHDVBN-UHFFFAOYSA-N 0.000 description 3
- WMFOQBRAJBCJND-UHFFFAOYSA-M Lithium hydroxide Chemical compound [Li+].[OH-] WMFOQBRAJBCJND-UHFFFAOYSA-M 0.000 description 3
- OKKJLVBELUTLKV-UHFFFAOYSA-N Methanol Chemical compound OC OKKJLVBELUTLKV-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
- ZLMJMSJWJFRBEC-UHFFFAOYSA-N Potassium Chemical compound [K] ZLMJMSJWJFRBEC-UHFFFAOYSA-N 0.000 description 3
- XBDQKXXYIPTUBI-UHFFFAOYSA-M Propionate Chemical compound CCC([O-])=O XBDQKXXYIPTUBI-UHFFFAOYSA-M 0.000 description 3
- 125000002723 alicyclic group Chemical group 0.000 description 3
- 150000001408 amides Chemical class 0.000 description 3
- 235000010233 benzoic acid Nutrition 0.000 description 3
- 239000006227 byproduct Substances 0.000 description 3
- 150000001805 chlorine compounds Chemical class 0.000 description 3
- CCIVGXIOQKPBKL-UHFFFAOYSA-M ethanesulfonate Chemical compound CCS([O-])(=O)=O CCIVGXIOQKPBKL-UHFFFAOYSA-M 0.000 description 3
- 125000000524 functional group Chemical group 0.000 description 3
- 229910052739 hydrogen Inorganic materials 0.000 description 3
- 239000001257 hydrogen Substances 0.000 description 3
- 229910000042 hydrogen bromide Inorganic materials 0.000 description 3
- 150000007522 mineralic acids Chemical class 0.000 description 3
- VLKZOEOYAKHREP-UHFFFAOYSA-N n-Hexane Chemical compound CCCCCC VLKZOEOYAKHREP-UHFFFAOYSA-N 0.000 description 3
- 150000007524 organic acids Chemical class 0.000 description 3
- 239000011591 potassium Substances 0.000 description 3
- 229910052700 potassium Inorganic materials 0.000 description 3
- CHKVPAROMQMJNQ-UHFFFAOYSA-M potassium bisulfate Chemical compound [K+].OS([O-])(=O)=O CHKVPAROMQMJNQ-UHFFFAOYSA-M 0.000 description 3
- 229910000343 potassium bisulfate Inorganic materials 0.000 description 3
- WBHQBSYUUJJSRZ-UHFFFAOYSA-M sodium bisulfate Chemical compound [Na+].OS([O-])(=O)=O WBHQBSYUUJJSRZ-UHFFFAOYSA-M 0.000 description 3
- 238000000527 sonication Methods 0.000 description 3
- 239000008096 xylene Substances 0.000 description 3
- SOZMSEPDYJGBEK-ZCFIWIBFSA-N (1r)-1-(4-bromophenyl)ethanamine Chemical compound C[C@@H](N)C1=CC=C(Br)C=C1 SOZMSEPDYJGBEK-ZCFIWIBFSA-N 0.000 description 2
- PINPOEWMCLFRRB-ZCFIWIBFSA-N (1r)-1-(4-chlorophenyl)ethanamine Chemical compound C[C@@H](N)C1=CC=C(Cl)C=C1 PINPOEWMCLFRRB-ZCFIWIBFSA-N 0.000 description 2
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- KUAZQDVKQLNFPE-UHFFFAOYSA-N thiram Chemical compound CN(C)C(=S)SSC(=S)N(C)C KUAZQDVKQLNFPE-UHFFFAOYSA-N 0.000 description 1
- IPILPUZVTYHGIL-UHFFFAOYSA-M tributyl(methyl)azanium;chloride Chemical compound [Cl-].CCCC[N+](C)(CCCC)CCCC IPILPUZVTYHGIL-UHFFFAOYSA-M 0.000 description 1
- WVLBCYQITXONBZ-UHFFFAOYSA-N trimethyl phosphate Chemical compound COP(=O)(OC)OC WVLBCYQITXONBZ-UHFFFAOYSA-N 0.000 description 1
Classifications
-
- C—CHEMISTRY; METALLURGY
- C07—ORGANIC CHEMISTRY
- C07D—HETEROCYCLIC COMPOUNDS
- C07D261/00—Heterocyclic compounds containing 1,2-oxazole or hydrogenated 1,2-oxazole rings
- C07D261/02—Heterocyclic compounds containing 1,2-oxazole or hydrogenated 1,2-oxazole rings not condensed with other rings
- C07D261/04—Heterocyclic compounds containing 1,2-oxazole or hydrogenated 1,2-oxazole rings not condensed with other rings having one double bond between ring members or between a ring member and a non-ring member
-
- C—CHEMISTRY; METALLURGY
- C07—ORGANIC CHEMISTRY
- C07B—GENERAL METHODS OF ORGANIC CHEMISTRY; APPARATUS THEREFOR
- C07B55/00—Racemisation; Complete or partial inversion
Landscapes
- Chemical & Material Sciences (AREA)
- Organic Chemistry (AREA)
- Heterocyclic Carbon Compounds Containing A Hetero Ring Having Nitrogen And Oxygen As The Only Ring Hetero Atoms (AREA)
- Organic Low-Molecular-Weight Compounds And Preparation Thereof (AREA)
Abstract
Description
(ii)段階(i)からの反応混合物を酸性とすることで、結果の混合物を得る段階、
(iii)結果の混合物を、化合物混合物及び上清に分離する段階
を含む。
(a)(5RS)-4-[5-(3,5-ジクロロフェニル)-5-(トリフルオロメチル)-4H-イソオキサゾール-3-イル]-2-メチル-安息香酸を、下記式(2A)、(2B)又は(2C)の化合物:
(b)式(1a)による(5R)-4-[5-(3,5-ジクロロフェニル)-5-(トリフルオロメチル)-4H-イソオキサゾール-3-イル]-2-メチル-安息香酸及び式(1b)による(5S)-4-[5-(3,5-ジクロロフェニル)-5-(トリフルオロメチル)-4H-イソオキサゾール-3-イル]-2-メチル-安息香酸:
を含む。
FRは(R)-エナンチオマーのモル分率であり、
FSは(S)-エナンチオマーのモル分率である。
冷却管及び温度計を取り付けたフラスコに、2-プロパノール(12.5mL)及び水(0.85mL)を入れた。固体の水酸化カリウム(0.671g、11.96mmol)を溶媒に溶かし、87.2%eeの(5R)-4-(5-(3,5-ジクロロフェニル)-5-(トリフルオロメチル)-4H-イソオキサゾール-3-イル)-2-メチル安息香酸(1g、2.391mmol)を23℃(室温)で加えた。混合物を加熱して80℃とした。
冷却管及び温度計を取り付けたフラスコに、2-プロパノール(6.67mL)を入れ、86.4%eeの(5R)-4-(5-(3,5-ジクロロフェニル)-5-(トリフルオロメチル)-4H-イソオキサゾール-3-イル)-2-メチル安息香酸(1g、2.391mmol)を溶かした。水酸化ナトリウム(0.393g、9.83mmol)マイクロパールを40℃で加え、混合物を加熱還流することで、黄色懸濁液を得た。
1mL円錐形バイアル中、>99%eeの(5R)-4-(5-(3,5-ジクロロフェニル)-5-(トリフルオロメチル)-4H-イソオキサゾール-3-イル)-2-メチル安息香酸(50mg、0.120mmol)の2-プロパノール(299μL)中溶液を、水酸化カリウムの2-プロパノール溶液(20.38μL、0.359mmol)とともにインキュベートした。混合物を90℃まで終夜加熱した。
1mL円錐形バイアル中、>99%eeの(R)-4-(5-(3,5-ジクロロフェニル)-5-(トリフルオロメチル)-4,5-ジヒドロイソオキサゾール-3-イル)-2-メチル安息香酸(50mg,0.120mmol)の2-プロパノール(299μL)中溶液を、水酸化セシウムの2-プロパノール溶液(66.8μL、0.359mmol)とともにインキュベートした。混合物を90℃まで終夜加熱した。
フラスコに冷却管及び温度計を取り付けた。フラスコに2-プロパノール(6.67mL)を入れ、粉末の水酸化カリウム(0.671g、11.96mmol)を溶媒に溶かし、87.2%eeの(5R)-4-(5-(3,5-ジクロロフェニル)-5-(トリフルオロメチル)-4H-イソオキサゾール-3-イル)-2-メチル安息香酸(1g、2.391mmol)を40℃で加えた。混合物を加熱還流させた。透明橙赤色溶液が形成された。しばらくしてから、黄色固体が沈殿した。懸濁液をさらに加熱還流した。懸濁液の50μLサンプルを実施例1に記載の方法に従って後処理した。得られた(R)-IOBAは、0.8%のエナンチオマー過剰を有していた。
KPG攪拌ユニット(IKA RW-16ベーシック)及び還流冷却管を取り付けた1リットル三頸フラスコに、2-プロパノール(200mL)及び(5RS)-4-(5-(3,5-ジクロロフェニル)-5-(トリフルオロメチル)-4H-イソオキサゾール-3-イル)-2-メチル安息香酸(100g、239mmol)を入れた。別の2-プロパノール(250mL)を加えた。全ての固体材料が溶解するまで、混合物を攪拌した。(S)-1-フェニルプロピルアミン(21mL、144mmol)を、注射器によって急速に1mL(最初)及び20mL(2回目)を加えた。
結晶化段階からの回収上清及び洗浄溶液を濃縮して400mLとした。エナンチオ豊富(R)-IOBA溶液に粉末水酸化カリウム(27.916g、498mmol)を入れ、攪拌しながら加熱還流した。サンプルを反応混合物から取り、キラルLCによって分析して、(R)-IOBAのエナンチオマー過剰を求めた。(R)-IOBAの残留エナンチオマー過剰が2.4%に達した時点で加熱を停止した。
Claims (13)
- アルカリ性化合物が無機化合物である、請求項1に記載の方法。
- アルカリ性化合物が、水酸化ナトリウム、水酸化カリウム、水酸化セシウム、水酸化カルシウム、水酸化バリウム、酸化マグネシウム、酸化カルシウム、酸化バリウム、炭酸セシウム及びこれらの混合物からなる群から選択される、請求項1又は2に記載の方法。
- 有機溶媒が、水、1~5個の炭素原子を有するアルコール、ジオキサン、テトラヒドロフラン、トルエン、酢酸エチル及びこれらの混合物からなる群から選択される、請求項1~3のいずれか1項に記載の方法。
- (ii)段階(i)からの反応混合物を酸性として、結果の混合物を形成する段階、及び
(iii)段階(ii)からの前記結果の混合物を化合物混合物及び上清に分離する段階
をさらに含む、請求項1~4のいずれか1項に記載の方法。 - 段階(i)を相間移動触媒の非存在下で行う、請求項1~5のいずれか1項に記載の方法。
- 前段階として、
(a)(5RS)-4-[5-(3,5-ジクロロフェニル)-5-(トリフルオロメチル)-4H-イソオキサゾール-3-イル]-2-メチル-安息香酸を、式(2A)、(2B)若しくは(2C)の化合物:
と、2~5個の炭素原子を有するアルコール、テトラヒドロフラン、ジオキサン、トルエン、酢酸エチル及びこれらの混合物からなる群から選択される有機溶媒中で反応させて、沈殿及び上清溶液を形成する段階、及び
(b)式(1a)による(5R)-4-[5-(3,5-ジクロロフェニル)-5-(トリフルオロメチル)-4H-イソオキサゾール-3-イル]-2-メチル-安息香酸及び式(1b)による(5S)-4-[5-(3,5-ジクロロフェニル)-5-(トリフルオロメチル)-4H-イソオキサゾール-3-イル]-2-メチル-安息香酸を含む混合物を含む上清溶液を沈殿から分離する段階
をさらに含む、請求項1~6のいずれか1項に記載の方法。 - 段階(a)において、溶媒が、2~5個の炭素原子を有するアルコール、ジオキサン、テトラヒドロフラン及びこれらの混合物からなる群から選択される、請求項7に記載の方法。
- 段階(a)において、溶媒が2-プロパノールである、請求項7又は8に記載の方法。
- 段階(a)において、式(2A)のRがメチルであり、そして溶媒が2-プロパノールであるか、又は、式(2A)のRがエチルであり、そして、溶媒が2-プロパノールである、請求項7~9のいずれか1項に記載の方法。
- 段階(a)が、溶媒中、式(2A)、(2b)若しくは(2C)の化合物とともに(5RS)-4-[5-(3,5-ジクロロフェニル)-5-(トリフルオロメチル)-4H-イソオキサゾール-3-イル]2-メチル-安息香酸を高温に加熱することを含む、請求項7~10のいずれか1項に記載の方法。
- 段階(b)において、段階(a)からの上清溶液の沈殿からの分離を濾過によって行う、請求項7~11のいずれか1項に記載の方法。
- 段階(a)及び(i)における有機溶媒が同一である、請求項7~12のいずれか1項に記載の方法。
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US20220041564A1 (en) | 2022-02-10 |
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AU2019408398A1 (en) | 2021-06-17 |
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