WO1998000382A1 - Procedes de preparation de cetones optiquement actives - Google Patents
Procedes de preparation de cetones optiquement actives Download PDFInfo
- Publication number
- WO1998000382A1 WO1998000382A1 PCT/JP1997/002294 JP9702294W WO9800382A1 WO 1998000382 A1 WO1998000382 A1 WO 1998000382A1 JP 9702294 W JP9702294 W JP 9702294W WO 9800382 A1 WO9800382 A1 WO 9800382A1
- Authority
- WO
- WIPO (PCT)
- Prior art keywords
- group
- carbon atoms
- optically active
- substituted
- alkyl group
- Prior art date
Links
- 238000000034 method Methods 0.000 title claims abstract description 104
- 150000002576 ketones Chemical class 0.000 title claims abstract description 51
- 230000008569 process Effects 0.000 title claims abstract description 14
- 238000002360 preparation method Methods 0.000 title abstract description 7
- -1 amino acid esters Chemical class 0.000 claims abstract description 157
- 150000003899 tartaric acid esters Chemical class 0.000 claims abstract description 25
- 150000002148 esters Chemical class 0.000 claims abstract description 22
- 150000001298 alcohols Chemical class 0.000 claims abstract description 20
- 230000001590 oxidative effect Effects 0.000 claims abstract description 8
- 230000003301 hydrolyzing effect Effects 0.000 claims abstract description 6
- LFQSCWFLJHTTHZ-UHFFFAOYSA-N Ethanol Chemical compound CCO LFQSCWFLJHTTHZ-UHFFFAOYSA-N 0.000 claims description 78
- 230000003287 optical effect Effects 0.000 claims description 78
- YMWUJEATGCHHMB-UHFFFAOYSA-N Dichloromethane Chemical group ClCCl YMWUJEATGCHHMB-UHFFFAOYSA-N 0.000 claims description 62
- 238000006243 chemical reaction Methods 0.000 claims description 62
- 239000000243 solution Substances 0.000 claims description 56
- 125000002723 alicyclic group Chemical group 0.000 claims description 47
- 239000002253 acid Substances 0.000 claims description 46
- 239000002904 solvent Substances 0.000 claims description 42
- 239000000126 substance Substances 0.000 claims description 39
- QAOWNCQODCNURD-UHFFFAOYSA-N Sulfuric acid Chemical compound OS(O)(=O)=O QAOWNCQODCNURD-UHFFFAOYSA-N 0.000 claims description 36
- 239000007864 aqueous solution Substances 0.000 claims description 35
- XKRFYHLGVUSROY-UHFFFAOYSA-N Argon Chemical compound [Ar] XKRFYHLGVUSROY-UHFFFAOYSA-N 0.000 claims description 34
- HEMHJVSKTPXQMS-UHFFFAOYSA-M Sodium hydroxide Chemical compound [OH-].[Na+] HEMHJVSKTPXQMS-UHFFFAOYSA-M 0.000 claims description 33
- 238000004519 manufacturing process Methods 0.000 claims description 33
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 claims description 33
- 150000001875 compounds Chemical class 0.000 claims description 25
- HEDRZPFGACZZDS-UHFFFAOYSA-N Chloroform Chemical compound ClC(Cl)Cl HEDRZPFGACZZDS-UHFFFAOYSA-N 0.000 claims description 21
- 150000001413 amino acids Chemical class 0.000 claims description 21
- 229910052736 halogen Inorganic materials 0.000 claims description 21
- DCQQZLGQRIVCNH-UHFFFAOYSA-N 2-methoxycyclohexan-1-ol Chemical group COC1CCCCC1O DCQQZLGQRIVCNH-UHFFFAOYSA-N 0.000 claims description 20
- VEXZGXHMUGYJMC-UHFFFAOYSA-N Hydrochloric acid Chemical compound Cl VEXZGXHMUGYJMC-UHFFFAOYSA-N 0.000 claims description 20
- 150000002367 halogens Chemical class 0.000 claims description 20
- 239000002994 raw material Substances 0.000 claims description 20
- 150000003997 cyclic ketones Chemical class 0.000 claims description 19
- 229910052786 argon Inorganic materials 0.000 claims description 17
- 238000000926 separation method Methods 0.000 claims description 17
- VYPSYNLAJGMNEJ-UHFFFAOYSA-N Silicium dioxide Chemical compound O=[Si]=O VYPSYNLAJGMNEJ-UHFFFAOYSA-N 0.000 claims description 16
- 229910052783 alkali metal Inorganic materials 0.000 claims description 16
- 239000011261 inert gas Substances 0.000 claims description 16
- 229910052809 inorganic oxide Inorganic materials 0.000 claims description 14
- 125000003710 aryl alkyl group Chemical group 0.000 claims description 13
- 229910052500 inorganic mineral Inorganic materials 0.000 claims description 13
- 239000011707 mineral Substances 0.000 claims description 13
- RTZKZFJDLAIYFH-UHFFFAOYSA-N Diethyl ether Chemical compound CCOCC RTZKZFJDLAIYFH-UHFFFAOYSA-N 0.000 claims description 12
- 150000003333 secondary alcohols Chemical class 0.000 claims description 12
- JYJURPHZXCLFDX-UHFFFAOYSA-N 2-methoxycyclohexan-1-one Chemical group COC1CCCCC1=O JYJURPHZXCLFDX-UHFFFAOYSA-N 0.000 claims description 10
- FEWJPZIEWOKRBE-JCYAYHJZSA-N Dextrotartaric acid Chemical group OC(=O)[C@H](O)[C@@H](O)C(O)=O FEWJPZIEWOKRBE-JCYAYHJZSA-N 0.000 claims description 10
- HNPSIPDUKPIQMN-UHFFFAOYSA-N dioxosilane;oxo(oxoalumanyloxy)alumane Chemical compound O=[Si]=O.O=[Al]O[Al]=O HNPSIPDUKPIQMN-UHFFFAOYSA-N 0.000 claims description 10
- 229910052751 metal Inorganic materials 0.000 claims description 10
- 239000002184 metal Substances 0.000 claims description 10
- 239000000741 silica gel Substances 0.000 claims description 10
- 229910002027 silica gel Inorganic materials 0.000 claims description 10
- IJGRMHOSHXDMSA-UHFFFAOYSA-N Atomic nitrogen Chemical compound N#N IJGRMHOSHXDMSA-UHFFFAOYSA-N 0.000 claims description 9
- 150000001340 alkali metals Chemical class 0.000 claims description 9
- ZSIAUFGUXNUGDI-UHFFFAOYSA-N hexan-1-ol Chemical class CCCCCCO ZSIAUFGUXNUGDI-UHFFFAOYSA-N 0.000 claims description 9
- NBIIXXVUZAFLBC-UHFFFAOYSA-N Phosphoric acid Chemical compound OP(O)(O)=O NBIIXXVUZAFLBC-UHFFFAOYSA-N 0.000 claims description 8
- QVGXLLKOCUKJST-UHFFFAOYSA-N atomic oxygen Chemical compound [O] QVGXLLKOCUKJST-UHFFFAOYSA-N 0.000 claims description 8
- 229910052760 oxygen Inorganic materials 0.000 claims description 8
- 239000001301 oxygen Substances 0.000 claims description 8
- 229940095064 tartrate Drugs 0.000 claims description 8
- 239000002585 base Substances 0.000 claims description 7
- 238000010992 reflux Methods 0.000 claims description 6
- XEEYBQQBJWHFJM-UHFFFAOYSA-N Iron Chemical compound [Fe] XEEYBQQBJWHFJM-UHFFFAOYSA-N 0.000 claims description 5
- 150000007824 aliphatic compounds Chemical class 0.000 claims description 5
- 238000002425 crystallisation Methods 0.000 claims description 5
- 230000008025 crystallization Effects 0.000 claims description 5
- 125000004435 hydrogen atom Chemical group [H]* 0.000 claims description 5
- 229910052757 nitrogen Inorganic materials 0.000 claims description 5
- 239000010457 zeolite Substances 0.000 claims description 5
- SCYULBFZEHDVBN-UHFFFAOYSA-N 1,1-Dichloroethane Chemical compound CC(Cl)Cl SCYULBFZEHDVBN-UHFFFAOYSA-N 0.000 claims description 4
- BOGVTNYNTGOONP-UHFFFAOYSA-N 3,4-dihydroxyoxolane-2,5-dione Chemical compound OC1C(O)C(=O)OC1=O BOGVTNYNTGOONP-UHFFFAOYSA-N 0.000 claims description 4
- PXHVJJICTQNCMI-UHFFFAOYSA-N Nickel Chemical compound [Ni] PXHVJJICTQNCMI-UHFFFAOYSA-N 0.000 claims description 4
- 229910021536 Zeolite Inorganic materials 0.000 claims description 4
- 229910052784 alkaline earth metal Inorganic materials 0.000 claims description 4
- 150000001342 alkaline earth metals Chemical class 0.000 claims description 4
- 125000004448 alkyl carbonyl group Chemical group 0.000 claims description 4
- 229910000147 aluminium phosphate Inorganic materials 0.000 claims description 4
- 229910052734 helium Inorganic materials 0.000 claims description 4
- 239000001307 helium Substances 0.000 claims description 4
- SWQJXJOGLNCZEY-UHFFFAOYSA-N helium atom Chemical compound [He] SWQJXJOGLNCZEY-UHFFFAOYSA-N 0.000 claims description 4
- 229930195733 hydrocarbon Natural products 0.000 claims description 4
- 239000002841 Lewis acid Substances 0.000 claims description 3
- 150000007513 acids Chemical class 0.000 claims description 3
- 150000001348 alkyl chlorides Chemical class 0.000 claims description 3
- 239000000956 alloy Substances 0.000 claims description 3
- 229910045601 alloy Inorganic materials 0.000 claims description 3
- 125000005129 aryl carbonyl group Chemical group 0.000 claims description 3
- HRYZWHHZPQKTII-UHFFFAOYSA-N chloroethane Chemical compound CCCl HRYZWHHZPQKTII-UHFFFAOYSA-N 0.000 claims description 3
- FBAFATDZDUQKNH-UHFFFAOYSA-M iron chloride Chemical compound [Cl-].[Fe] FBAFATDZDUQKNH-UHFFFAOYSA-M 0.000 claims description 3
- 150000007517 lewis acids Chemical class 0.000 claims description 3
- RYGMFSIKBFXOCR-UHFFFAOYSA-N Copper Chemical compound [Cu] RYGMFSIKBFXOCR-UHFFFAOYSA-N 0.000 claims description 2
- HCHKCACWOHOZIP-UHFFFAOYSA-N Zinc Chemical compound [Zn] HCHKCACWOHOZIP-UHFFFAOYSA-N 0.000 claims description 2
- 229950005499 carbon tetrachloride Drugs 0.000 claims description 2
- 229910052802 copper Inorganic materials 0.000 claims description 2
- 239000010949 copper Substances 0.000 claims description 2
- 229910052742 iron Inorganic materials 0.000 claims description 2
- WPBNNNQJVZRUHP-UHFFFAOYSA-L manganese(2+);methyl n-[[2-(methoxycarbonylcarbamothioylamino)phenyl]carbamothioyl]carbamate;n-[2-(sulfidocarbothioylamino)ethyl]carbamodithioate Chemical compound [Mn+2].[S-]C(=S)NCCNC([S-])=S.COC(=O)NC(=S)NC1=CC=CC=C1NC(=S)NC(=O)OC WPBNNNQJVZRUHP-UHFFFAOYSA-L 0.000 claims description 2
- 229910052759 nickel Inorganic materials 0.000 claims description 2
- QJGQUHMNIGDVPM-UHFFFAOYSA-N nitrogen group Chemical group [N] QJGQUHMNIGDVPM-UHFFFAOYSA-N 0.000 claims description 2
- 238000003918 potentiometric titration Methods 0.000 claims description 2
- VZGDMQKNWNREIO-UHFFFAOYSA-N tetrachloromethane Chemical compound ClC(Cl)(Cl)Cl VZGDMQKNWNREIO-UHFFFAOYSA-N 0.000 claims description 2
- 239000011701 zinc Substances 0.000 claims description 2
- 229910052725 zinc Inorganic materials 0.000 claims description 2
- 125000004432 carbon atom Chemical group C* 0.000 claims 97
- 125000000217 alkyl group Chemical group 0.000 claims 66
- 125000003545 alkoxy group Chemical group 0.000 claims 40
- 125000003118 aryl group Chemical group 0.000 claims 26
- 125000005843 halogen group Chemical group 0.000 claims 24
- 235000001014 amino acid Nutrition 0.000 claims 18
- 125000002887 hydroxy group Chemical group [H]O* 0.000 claims 14
- 125000000449 nitro group Chemical group [O-][N+](*)=O 0.000 claims 8
- 230000000087 stabilizing effect Effects 0.000 claims 8
- 229910052799 carbon Inorganic materials 0.000 claims 6
- 125000003178 carboxy group Chemical group [H]OC(*)=O 0.000 claims 6
- 125000001997 phenyl group Chemical group [H]C1=C([H])C([H])=C(*)C([H])=C1[H] 0.000 claims 4
- 125000001424 substituent group Chemical group 0.000 claims 4
- 229910052717 sulfur Inorganic materials 0.000 claims 4
- OKTJSMMVPCPJKN-UHFFFAOYSA-N Carbon Chemical compound [C] OKTJSMMVPCPJKN-UHFFFAOYSA-N 0.000 claims 3
- 150000001721 carbon Chemical group 0.000 claims 3
- 125000002102 aryl alkyloxo group Chemical group 0.000 claims 2
- 239000004215 Carbon black (E152) Substances 0.000 claims 1
- 125000003158 alcohol group Chemical group 0.000 claims 1
- 150000001334 alicyclic compounds Chemical class 0.000 claims 1
- 150000001347 alkyl bromides Chemical class 0.000 claims 1
- 150000001371 alpha-amino acids Chemical class 0.000 claims 1
- 235000008206 alpha-amino acids Nutrition 0.000 claims 1
- 150000008064 anhydrides Chemical class 0.000 claims 1
- 239000003125 aqueous solvent Substances 0.000 claims 1
- 125000004429 atom Chemical group 0.000 claims 1
- 229960001701 chloroform Drugs 0.000 claims 1
- 125000006165 cyclic alkyl group Chemical group 0.000 claims 1
- JHIVVAPYMSGYDF-PTQBSOBMSA-N cyclohexanone Chemical class O=[13C]1CCCCC1 JHIVVAPYMSGYDF-PTQBSOBMSA-N 0.000 claims 1
- 125000000623 heterocyclic group Chemical group 0.000 claims 1
- 125000001183 hydrocarbyl group Chemical group 0.000 claims 1
- 150000002484 inorganic compounds Chemical class 0.000 claims 1
- 229910010272 inorganic material Inorganic materials 0.000 claims 1
- 150000002632 lipids Chemical class 0.000 claims 1
- 239000003905 agrochemical Substances 0.000 abstract description 4
- 150000003862 amino acid derivatives Chemical class 0.000 abstract description 3
- 239000003814 drug Substances 0.000 abstract description 3
- 239000000543 intermediate Substances 0.000 abstract description 3
- 229940079593 drug Drugs 0.000 abstract description 2
- 235000019441 ethanol Nutrition 0.000 description 73
- YXFVVABEGXRONW-UHFFFAOYSA-N Toluene Chemical compound CC1=CC=CC=C1 YXFVVABEGXRONW-UHFFFAOYSA-N 0.000 description 66
- 239000000203 mixture Substances 0.000 description 43
- 229940024606 amino acid Drugs 0.000 description 28
- JYJURPHZXCLFDX-ZETCQYMHSA-N (2s)-2-methoxycyclohexan-1-one Chemical compound CO[C@H]1CCCCC1=O JYJURPHZXCLFDX-ZETCQYMHSA-N 0.000 description 27
- WEVYAHXRMPXWCK-UHFFFAOYSA-N Acetonitrile Chemical compound CC#N WEVYAHXRMPXWCK-UHFFFAOYSA-N 0.000 description 24
- 238000003756 stirring Methods 0.000 description 24
- 238000004458 analytical method Methods 0.000 description 23
- OKKJLVBELUTLKV-UHFFFAOYSA-N Methanol Chemical compound OC OKKJLVBELUTLKV-UHFFFAOYSA-N 0.000 description 21
- 238000003860 storage Methods 0.000 description 18
- 239000011521 glass Substances 0.000 description 16
- XDTMQSROBMDMFD-UHFFFAOYSA-N Cyclohexane Chemical compound C1CCCCC1 XDTMQSROBMDMFD-UHFFFAOYSA-N 0.000 description 14
- 239000003708 ampul Substances 0.000 description 14
- 230000006340 racemization Effects 0.000 description 14
- 239000005708 Sodium hypochlorite Substances 0.000 description 13
- SUKJFIGYRHOWBL-UHFFFAOYSA-N sodium hypochlorite Chemical compound [Na+].Cl[O-] SUKJFIGYRHOWBL-UHFFFAOYSA-N 0.000 description 13
- KFZMGEQAYNKOFK-UHFFFAOYSA-N Isopropanol Chemical compound CC(C)O KFZMGEQAYNKOFK-UHFFFAOYSA-N 0.000 description 12
- CDBYLPFSWZWCQE-UHFFFAOYSA-L Sodium Carbonate Chemical compound [Na+].[Na+].[O-]C([O-])=O CDBYLPFSWZWCQE-UHFFFAOYSA-L 0.000 description 12
- 230000000052 comparative effect Effects 0.000 description 12
- 239000012141 concentrate Substances 0.000 description 12
- 238000004811 liquid chromatography Methods 0.000 description 12
- 238000012360 testing method Methods 0.000 description 12
- ZWEHNKRNPOVVGH-UHFFFAOYSA-N 2-Butanone Chemical compound CCC(C)=O ZWEHNKRNPOVVGH-UHFFFAOYSA-N 0.000 description 11
- 235000010755 mineral Nutrition 0.000 description 11
- 239000003960 organic solvent Substances 0.000 description 11
- 238000004817 gas chromatography Methods 0.000 description 10
- 230000007062 hydrolysis Effects 0.000 description 10
- 238000006460 hydrolysis reaction Methods 0.000 description 10
- 239000012535 impurity Substances 0.000 description 10
- FYSNRJHAOHDILO-UHFFFAOYSA-N thionyl chloride Chemical compound ClS(Cl)=O FYSNRJHAOHDILO-UHFFFAOYSA-N 0.000 description 10
- XEKOWRVHYACXOJ-UHFFFAOYSA-N Ethyl acetate Chemical compound CCOC(C)=O XEKOWRVHYACXOJ-UHFFFAOYSA-N 0.000 description 9
- 229920002472 Starch Polymers 0.000 description 9
- 239000003513 alkali Substances 0.000 description 9
- 238000009826 distribution Methods 0.000 description 9
- 239000000284 extract Substances 0.000 description 9
- 239000011541 reaction mixture Substances 0.000 description 9
- 239000008107 starch Substances 0.000 description 9
- 235000019698 starch Nutrition 0.000 description 9
- DCQQZLGQRIVCNH-PKPIPKONSA-N (1s)-2-methoxycyclohexan-1-ol Chemical compound COC1CCCC[C@@H]1O DCQQZLGQRIVCNH-PKPIPKONSA-N 0.000 description 8
- UIIMBOGNXHQVGW-UHFFFAOYSA-M Sodium bicarbonate Chemical compound [Na+].OC([O-])=O UIIMBOGNXHQVGW-UHFFFAOYSA-M 0.000 description 8
- FAPWRFPIFSIZLT-UHFFFAOYSA-M Sodium chloride Chemical class [Na+].[Cl-] FAPWRFPIFSIZLT-UHFFFAOYSA-M 0.000 description 8
- 239000013078 crystal Substances 0.000 description 8
- 238000010438 heat treatment Methods 0.000 description 8
- 239000000047 product Substances 0.000 description 8
- 229960001367 tartaric acid Drugs 0.000 description 8
- 239000011975 tartaric acid Substances 0.000 description 8
- 102000004190 Enzymes Human genes 0.000 description 7
- 108090000790 Enzymes Proteins 0.000 description 7
- DWAQJAXMDSEUJJ-UHFFFAOYSA-M Sodium bisulfite Chemical compound [Na+].OS([O-])=O DWAQJAXMDSEUJJ-UHFFFAOYSA-M 0.000 description 7
- 150000002894 organic compounds Chemical group 0.000 description 7
- 235000010267 sodium hydrogen sulphite Nutrition 0.000 description 7
- RFFLAFLAYFXFSW-UHFFFAOYSA-N 1,2-dichlorobenzene Chemical compound ClC1=CC=CC=C1Cl RFFLAFLAYFXFSW-UHFFFAOYSA-N 0.000 description 6
- CSCPPACGZOOCGX-UHFFFAOYSA-N Acetone Chemical compound CC(C)=O CSCPPACGZOOCGX-UHFFFAOYSA-N 0.000 description 6
- UHOVQNZJYSORNB-UHFFFAOYSA-N Benzene Chemical compound C1=CC=CC=C1 UHOVQNZJYSORNB-UHFFFAOYSA-N 0.000 description 6
- KWYUFKZDYYNOTN-UHFFFAOYSA-M Potassium hydroxide Chemical compound [OH-].[K+] KWYUFKZDYYNOTN-UHFFFAOYSA-M 0.000 description 6
- FEWJPZIEWOKRBE-UHFFFAOYSA-N Tartaric acid Natural products [H+].[H+].[O-]C(=O)C(O)C(O)C([O-])=O FEWJPZIEWOKRBE-UHFFFAOYSA-N 0.000 description 6
- 238000001514 detection method Methods 0.000 description 6
- 238000007254 oxidation reaction Methods 0.000 description 6
- 238000012856 packing Methods 0.000 description 6
- NLKNQRATVPKPDG-UHFFFAOYSA-M potassium iodide Chemical compound [K+].[I-] NLKNQRATVPKPDG-UHFFFAOYSA-M 0.000 description 6
- 229910000029 sodium carbonate Inorganic materials 0.000 description 6
- 235000002906 tartaric acid Nutrition 0.000 description 6
- ZAMOUSCENKQFHK-UHFFFAOYSA-N Chlorine atom Chemical compound [Cl] ZAMOUSCENKQFHK-UHFFFAOYSA-N 0.000 description 5
- 238000005481 NMR spectroscopy Methods 0.000 description 5
- 239000006227 byproduct Substances 0.000 description 5
- 239000000460 chlorine Substances 0.000 description 5
- 229910052801 chlorine Inorganic materials 0.000 description 5
- 238000004821 distillation Methods 0.000 description 5
- 150000002170 ethers Chemical class 0.000 description 5
- 238000001914 filtration Methods 0.000 description 5
- 239000007788 liquid Substances 0.000 description 5
- DCQQZLGQRIVCNH-RNFRBKRXSA-N (1r,2r)-2-methoxycyclohexan-1-ol Chemical compound CO[C@@H]1CCCC[C@H]1O DCQQZLGQRIVCNH-RNFRBKRXSA-N 0.000 description 4
- 238000005160 1H NMR spectroscopy Methods 0.000 description 4
- QTBSBXVTEAMEQO-UHFFFAOYSA-N Acetic acid Chemical compound CC(O)=O QTBSBXVTEAMEQO-UHFFFAOYSA-N 0.000 description 4
- 150000004945 aromatic hydrocarbons Chemical class 0.000 description 4
- 230000015572 biosynthetic process Effects 0.000 description 4
- 229960001270 d- tartaric acid Drugs 0.000 description 4
- 239000003480 eluent Substances 0.000 description 4
- 238000000605 extraction Methods 0.000 description 4
- 239000000706 filtrate Substances 0.000 description 4
- HSZCZNFXUDYRKD-UHFFFAOYSA-M lithium iodide Chemical compound [Li+].[I-] HSZCZNFXUDYRKD-UHFFFAOYSA-M 0.000 description 4
- DNIAPMSPPWPWGF-UHFFFAOYSA-N monopropylene glycol Natural products CC(O)CO DNIAPMSPPWPWGF-UHFFFAOYSA-N 0.000 description 4
- 239000011347 resin Substances 0.000 description 4
- 229920005989 resin Polymers 0.000 description 4
- 229910000030 sodium bicarbonate Inorganic materials 0.000 description 4
- 235000017557 sodium bicarbonate Nutrition 0.000 description 4
- GEHJYWRUCIMESM-UHFFFAOYSA-L sodium sulfite Chemical compound [Na+].[Na+].[O-]S([O-])=O GEHJYWRUCIMESM-UHFFFAOYSA-L 0.000 description 4
- 238000003786 synthesis reaction Methods 0.000 description 4
- NOOLISFMXDJSKH-UTLUCORTSA-N (+)-Neomenthol Chemical compound CC(C)[C@@H]1CC[C@@H](C)C[C@@H]1O NOOLISFMXDJSKH-UTLUCORTSA-N 0.000 description 3
- SYTBZMRGLBWNTM-SNVBAGLBSA-N (R)-flurbiprofen Chemical compound FC1=CC([C@H](C(O)=O)C)=CC=C1C1=CC=CC=C1 SYTBZMRGLBWNTM-SNVBAGLBSA-N 0.000 description 3
- WAPNOHKVXSQRPX-UHFFFAOYSA-N 1-phenylethanol Chemical compound CC(O)C1=CC=CC=C1 WAPNOHKVXSQRPX-UHFFFAOYSA-N 0.000 description 3
- NDVWOBYBJYUSMF-UHFFFAOYSA-N 2-methylcyclohexan-1-ol Chemical compound CC1CCCCC1O NDVWOBYBJYUSMF-UHFFFAOYSA-N 0.000 description 3
- QTBSBXVTEAMEQO-UHFFFAOYSA-M Acetate Chemical group CC([O-])=O QTBSBXVTEAMEQO-UHFFFAOYSA-M 0.000 description 3
- NOOLISFMXDJSKH-UHFFFAOYSA-N DL-menthol Natural products CC(C)C1CCC(C)CC1O NOOLISFMXDJSKH-UHFFFAOYSA-N 0.000 description 3
- WMFOQBRAJBCJND-UHFFFAOYSA-M Lithium hydroxide Chemical compound [Li+].[OH-] WMFOQBRAJBCJND-UHFFFAOYSA-M 0.000 description 3
- NPKISZUVEBESJI-AWEZNQCLSA-N N-benzoyl-L-phenylalanine Chemical compound C([C@@H](C(=O)O)NC(=O)C=1C=CC=CC=1)C1=CC=CC=C1 NPKISZUVEBESJI-AWEZNQCLSA-N 0.000 description 3
- NPKISZUVEBESJI-UHFFFAOYSA-N Nalpha-benzoyl-L-phenylalanine Natural products C=1C=CC=CC=1C(=O)NC(C(=O)O)CC1=CC=CC=C1 NPKISZUVEBESJI-UHFFFAOYSA-N 0.000 description 3
- 235000005811 Viola adunca Nutrition 0.000 description 3
- 240000009038 Viola odorata Species 0.000 description 3
- 235000013487 Viola odorata Nutrition 0.000 description 3
- 235000002254 Viola papilionacea Nutrition 0.000 description 3
- 150000001338 aliphatic hydrocarbons Chemical class 0.000 description 3
- 238000001816 cooling Methods 0.000 description 3
- 230000000694 effects Effects 0.000 description 3
- 239000007789 gas Substances 0.000 description 3
- RBTARNINKXHZNM-UHFFFAOYSA-K iron trichloride Chemical compound Cl[Fe](Cl)Cl RBTARNINKXHZNM-UHFFFAOYSA-K 0.000 description 3
- 238000005259 measurement Methods 0.000 description 3
- 229940041616 menthol Drugs 0.000 description 3
- 150000002739 metals Chemical class 0.000 description 3
- VLKZOEOYAKHREP-UHFFFAOYSA-N n-Hexane Chemical compound CCCCCC VLKZOEOYAKHREP-UHFFFAOYSA-N 0.000 description 3
- 150000002825 nitriles Chemical class 0.000 description 3
- 230000003647 oxidation Effects 0.000 description 3
- 238000005192 partition Methods 0.000 description 3
- 125000003170 phenylsulfonyl group Chemical group C1(=CC=CC=C1)S(=O)(=O)* 0.000 description 3
- 238000000746 purification Methods 0.000 description 3
- 238000000638 solvent extraction Methods 0.000 description 3
- YONLFQNRGZXBBF-ZIAGYGMSSA-N (2r,3r)-2,3-dibenzoyloxybutanedioic acid Chemical compound O([C@@H](C(=O)O)[C@@H](OC(=O)C=1C=CC=CC=1)C(O)=O)C(=O)C1=CC=CC=C1 YONLFQNRGZXBBF-ZIAGYGMSSA-N 0.000 description 2
- RYHBNJHYFVUHQT-UHFFFAOYSA-N 1,4-Dioxane Chemical compound C1COCCO1 RYHBNJHYFVUHQT-UHFFFAOYSA-N 0.000 description 2
- VZSRBBMJRBPUNF-UHFFFAOYSA-N 2-(2,3-dihydro-1H-inden-2-ylamino)-N-[3-oxo-3-(2,4,6,7-tetrahydrotriazolo[4,5-c]pyridin-5-yl)propyl]pyrimidine-5-carboxamide Chemical compound C1C(CC2=CC=CC=C12)NC1=NC=C(C=N1)C(=O)NCCC(N1CC2=C(CC1)NN=N2)=O VZSRBBMJRBPUNF-UHFFFAOYSA-N 0.000 description 2
- HTSABYAWKQAHBT-UHFFFAOYSA-N 3-methylcyclohexanol Chemical compound CC1CCCC(O)C1 HTSABYAWKQAHBT-UHFFFAOYSA-N 0.000 description 2
- ASNHGEVAWNWCRQ-UHFFFAOYSA-N 4-(hydroxymethyl)oxolane-2,3,4-triol Chemical compound OCC1(O)COC(O)C1O ASNHGEVAWNWCRQ-UHFFFAOYSA-N 0.000 description 2
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- C—CHEMISTRY; METALLURGY
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- C07C233/82—Carboxylic acid amides having carbon atoms of carboxamide groups bound to carbon atoms of six-membered aromatic rings having the nitrogen atom of at least one of the carboxamide groups bound to a carbon atom of a hydrocarbon radical substituted by carboxyl groups with the substituted hydrocarbon radical bound to the nitrogen atom of the carboxamide group by an acyclic carbon atom
- C07C233/86—Carboxylic acid amides having carbon atoms of carboxamide groups bound to carbon atoms of six-membered aromatic rings having the nitrogen atom of at least one of the carboxamide groups bound to a carbon atom of a hydrocarbon radical substituted by carboxyl groups with the substituted hydrocarbon radical bound to the nitrogen atom of the carboxamide group by an acyclic carbon atom of an unsaturated carbon skeleton containing rings other than six-membered aromatic rings
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- C—CHEMISTRY; METALLURGY
- C07—ORGANIC CHEMISTRY
- C07C—ACYCLIC OR CARBOCYCLIC COMPOUNDS
- C07C231/00—Preparation of carboxylic acid amides
- C07C231/16—Preparation of optical isomers
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- C—CHEMISTRY; METALLURGY
- C07—ORGANIC CHEMISTRY
- C07C—ACYCLIC OR CARBOCYCLIC COMPOUNDS
- C07C233/00—Carboxylic acid amides
- C07C233/01—Carboxylic acid amides having carbon atoms of carboxamide groups bound to hydrogen atoms or to acyclic carbon atoms
- C07C233/45—Carboxylic acid amides having carbon atoms of carboxamide groups bound to hydrogen atoms or to acyclic carbon atoms having the nitrogen atom of at least one of the carboxamide groups bound to a carbon atom of a hydrocarbon radical substituted by carboxyl groups
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- C07C233/00—Carboxylic acid amides
- C07C233/64—Carboxylic acid amides having carbon atoms of carboxamide groups bound to carbon atoms of six-membered aromatic rings
- C07C233/81—Carboxylic acid amides having carbon atoms of carboxamide groups bound to carbon atoms of six-membered aromatic rings having the nitrogen atom of at least one of the carboxamide groups bound to a carbon atom of a hydrocarbon radical substituted by carboxyl groups
- C07C233/82—Carboxylic acid amides having carbon atoms of carboxamide groups bound to carbon atoms of six-membered aromatic rings having the nitrogen atom of at least one of the carboxamide groups bound to a carbon atom of a hydrocarbon radical substituted by carboxyl groups with the substituted hydrocarbon radical bound to the nitrogen atom of the carboxamide group by an acyclic carbon atom
- C07C233/83—Carboxylic acid amides having carbon atoms of carboxamide groups bound to carbon atoms of six-membered aromatic rings having the nitrogen atom of at least one of the carboxamide groups bound to a carbon atom of a hydrocarbon radical substituted by carboxyl groups with the substituted hydrocarbon radical bound to the nitrogen atom of the carboxamide group by an acyclic carbon atom of an acyclic saturated carbon skeleton
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- C07C—ACYCLIC OR CARBOCYCLIC COMPOUNDS
- C07C29/00—Preparation of compounds having hydroxy or O-metal groups bound to a carbon atom not belonging to a six-membered aromatic ring
- C07C29/09—Preparation of compounds having hydroxy or O-metal groups bound to a carbon atom not belonging to a six-membered aromatic ring by hydrolysis
- C07C29/095—Preparation of compounds having hydroxy or O-metal groups bound to a carbon atom not belonging to a six-membered aromatic ring by hydrolysis of esters of organic acids
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- C07C45/00—Preparation of compounds having >C = O groups bound only to carbon or hydrogen atoms; Preparation of chelates of such compounds
- C07C45/27—Preparation of compounds having >C = O groups bound only to carbon or hydrogen atoms; Preparation of chelates of such compounds by oxidation
- C07C45/30—Preparation of compounds having >C = O groups bound only to carbon or hydrogen atoms; Preparation of chelates of such compounds by oxidation with halogen containing compounds, e.g. hypohalogenation
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- C07C45/78—Separation; Purification; Stabilisation; Use of additives
- C07C45/85—Separation; Purification; Stabilisation; Use of additives by treatment giving rise to a chemical modification
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- C07C—ACYCLIC OR CARBOCYCLIC COMPOUNDS
- C07C69/00—Esters of carboxylic acids; Esters of carbonic or haloformic acids
- C07C69/66—Esters of carboxylic acids having esterified carboxylic groups bound to acyclic carbon atoms and having any of the groups OH, O—metal, —CHO, keto, ether, acyloxy, groups, groups, or in the acid moiety
- C07C69/67—Esters of carboxylic acids having esterified carboxylic groups bound to acyclic carbon atoms and having any of the groups OH, O—metal, —CHO, keto, ether, acyloxy, groups, groups, or in the acid moiety of saturated acids
- C07C69/675—Esters of carboxylic acids having esterified carboxylic groups bound to acyclic carbon atoms and having any of the groups OH, O—metal, —CHO, keto, ether, acyloxy, groups, groups, or in the acid moiety of saturated acids of saturated hydroxy-carboxylic acids
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- C07—ORGANIC CHEMISTRY
- C07C—ACYCLIC OR CARBOCYCLIC COMPOUNDS
- C07C69/00—Esters of carboxylic acids; Esters of carbonic or haloformic acids
- C07C69/66—Esters of carboxylic acids having esterified carboxylic groups bound to acyclic carbon atoms and having any of the groups OH, O—metal, —CHO, keto, ether, acyloxy, groups, groups, or in the acid moiety
- C07C69/67—Esters of carboxylic acids having esterified carboxylic groups bound to acyclic carbon atoms and having any of the groups OH, O—metal, —CHO, keto, ether, acyloxy, groups, groups, or in the acid moiety of saturated acids
- C07C69/675—Esters of carboxylic acids having esterified carboxylic groups bound to acyclic carbon atoms and having any of the groups OH, O—metal, —CHO, keto, ether, acyloxy, groups, groups, or in the acid moiety of saturated acids of saturated hydroxy-carboxylic acids
- C07C69/70—Tartaric acid esters
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- C07B2200/07—Optical isomers
Definitions
- the present invention relates to a method for producing an optically active ketone, which is important as a raw material for medicines and agricultural chemicals.
- the present invention relates to a method for oxidizing ketones, a method for stably storing optically active ketones, and novel optically active amino acid esters and optically active tartaric esters.
- the method (1) has drawbacks such as an increase in cost due to the addition of a quaternary ammonium salt, and a complicated isolation operation.
- the method (2) is excellent as a method for obtaining an optically active mentone without lowering the optical purity, but has a drawback that the operation of isolating the product is complicated because glacial acetic acid is used as a solvent.
- Method (3) is water There is a disadvantage in that the operation of isolating the product is complicated because the reaction is carried out in a solvent that is miscible with water.
- ketone which is the most preferred embodiment of the method (4), a by-product in which the one position of the added ketone is chlorinated is generated.
- the optically active 2-alkoxycycloalkanone produced by the above-mentioned method has a problem in storage stability such that when the purified purified product is stored at room temperature of about 30 ° C., the chemical purity is reduced and racemization occurs.
- the optically active tt-substituted cyclic ketone is unstable, but no known example relating to the storage stabilization method is known.
- the present invention solves the above-mentioned drawbacks of the prior art, and provides a method for producing esters having excellent optical activity obtained by reacting a racemic alcohol with an optically active amino acid derivative or an optically active tartaric acid derivative.
- a method for obtaining an excellent optically active alcohol by decomposition a method for oxidizing an alcohol to a ketone, a method for stably storing an optically active ketone, and a novel optically active amino acid ester and an optically active tartaric acid ester .
- FIG. 1 is a view showing an NMR chart of (1S) — (N-benzoyl-L-phenylaloxo) -1- (2S) -methoxycyclohexane obtained in Example 1.
- FIG. 2 is a diagram showing an IR chart of (1S)-(N-benzoyl-L-phenylaloxo-)-(2S) -methoxycyclohexane obtained in Example 1.
- FIG. 3 is a view showing an NMR chart of (1S) — (N-tosyl-L-phenylalanyloxy) -1- (2S) -methoxycyclohexane obtained in Example 4.
- FIG. 4 is a view showing an IR chart of (IS) _ (N-tosyl-L-phenylalanyloxy) -1- (2S) -methoxycyclohexane obtained in Example 4.
- FIG. 5 is a chart showing an 'H-NMR chart of the compound obtained in Example 6.
- FIG. 6 is a view showing an MS spectrum of the compound obtained in Example 6.
- FIG. 7 is a chart showing a 1 H-NMR chart of the compound obtained in Example 7.
- the racemic alcohols as the raw materials include alkyl secondary alcohols such as methyl ethyl alcohol, aralkyl alcohols such as ⁇ -phenyl alcohol, and 2-methoxycyclohexanol.
- diols such as 1,2-propanediol and the like.
- Racemic alcohols include not only a mixture containing equal amounts of R-form and S-form, but also a mixture containing 50% or more and 99% or less of S-form or R-form.
- the stereostructure of the optically active amino acids used here can be a compound having an S-structure or an R-structure depending on the purpose. Natural L-amino acids are preferred in view of industrial availability in large quantities and at low cost, but not limited thereto, and non-natural amino acids can also be used.
- natural amino acids such as L-alanine, L-phenylalanine, L-lump phosphorus, L-valine, L-isoleucine, L-lipin isine, D-alanine, D-phenylalanine, D-proline, D -Valine, D-iso-isocyanate, D-leucine, L-pyrrolidone-l-pyruvonic acid, D-phenylglycine, D-pyrrolidone- 5-unsulfuric acid, L-phenylglycine, etc.
- Type amino acids and the like Heterocyclic amino acids such as L-indoline-2-butyric acid and D-indoline-2-carboxylic acid can also be used.
- the amino acids can be used as they are, or can be used after being converted into amino-substituted ⁇ syl derivatives ⁇ sulfonyl derivatives in consideration of reactivity and resolution efficiency.
- alkylcarbonyl groups such as acetyl, propionyl, and ptyloyl
- arylcarbonyl groups such as benzoyl, toluoyl, and benzoyl
- aralkylcarbonyl groups such as benzylcarbonyl, phenethylcarbonyl, and benzylcarbonyl
- Amines modified with carbonyl groups Nos. Acid acyl derivatives.
- alkylsulfonyl groups such as methanesulfonyl and ethanesulfonyl
- arylsulfonyl groups such as benzenesulfonyl, toluenesulfonyl, and benzenesulfonyl
- arals such as benzylsulfonyl, phenylsulfonyl, and benzylsulfonyl groups.
- examples include sulfonyl derivatives of amino acids modified with a killsulfonyl group.
- Esters of optically active amino acids and racemic alcohols can be produced by ordinary methods. For example, a method of reacting an acid halide of an optically active amino acid with a racemic alcohol, a method of heating and dehydrating an optically active amino acid and a racemic alcohol in the presence of an esterification catalyst, an acid anhydride of an optically active amino acid and a racemic alcohol And the like.
- the optically active tartaric acid derivative anhydride used as a raw material can have an L-structure or D-structure compound depending on the purpose. Natural L-tartaric acid derivative anhydrides are preferred in view of industrial availability in large quantities and at low cost, but not limited thereto, and D-tartaric acid derivative anhydrides can also be used.
- ⁇ , 0'-diacetyl-L-tartaric acid, 0, O'-diacetyl-D-tartaric acid, ⁇ , O'-dibenzyl-L-tartaric acid, ⁇ , ⁇ '-dibenzyl-D-tartaric acid 0, O'— Dibenzoyl L-tartaric acid, 0,0'-dibenzoyl-D-tartaric acid, ⁇ , 0'-ditoluoyl mono-L-tartaric acid, 0,0'-ditoluoyl-D-tartaric acid, ⁇ , ⁇ ' 1- (parachlorobenzyl) -1-L-tartaric acid, ⁇ , ⁇ '-(parachlorobenzyl) -1D-tartaric acid, O, ⁇ '-di (3,4-dimethylbenzoyl) 1-L-tartaric acid, 0, ⁇ '-di (3,4-dimethylbenzoyl
- Racemic secondary alcohol which is the other raw material, includes alkyl secondary alcohols such as methyl ethyl alcohol, aralkyl alcohols such as monophenylethyl alcohol, and alicyclic alcohols such as 2-methoxycyclohexanol. It is possible. Racemic alcohol is not only a mixture containing equal amounts of R-form and S-form, A mixture in which one of the (S) form and the (R) form is 50% or more and 99% or less is also included. The optically active tartaric acid derivative anhydride and the racemic secondary alcohol are reacted in a solvent or in the absence of a solvent in the presence of a Lewis acid.
- Lewis acid examples include aluminum chloride, zinc chloride, and iron chloride, and iron chloride is preferred from the viewpoint of operability.
- the amount used is from 0.01 to 20 mol%, preferably from 0.1 to 10 mol%, based on the racemic secondary alcohol derivative.
- any solvent that does not substantially participate in the reaction can be used, but aromatic hydrocarbons such as benzene, toluene, and xylene, and alkyl halides such as dichloromethane and chloroform are preferred. Are preferred.
- the reaction temperature is 0 to 150 T: and preferably room temperature to 120 T. When the temperature is low, the reaction time is prolonged, and when the temperature is too high, impurities are by-produced.
- a tartaric acid ester can be easily synthesized from a racemic alcohol and an optically active tartaric acid derivative anhydride.
- the amino acid or tartrate ester produced as described above is split into diastereomers.
- Optical resolution methods include crystallization separation using the difference in solubility of each optical isomer, column separation of each optical isomer, and separation of each optical isomer using a simulated moving bed.
- the division method can be selected according to the purpose.
- the crystallization solvent differs depending on each ester. In general, water, alcohols, aliphatic hydrocarbons, aromatic hydrocarbons, ketones, ethers, or a mixture thereof Solvents can be used.
- the developing solvent differs depending on the type of amino acid or tartrate ester and the column packing, but it is essential that the solvent be a chemically stable solvent.
- aromatic hydrocarbons such as benzene and toluene
- halogenated hydrocarbons such as dichloromethane and chloroform
- alicyclics such as cyclohexane and cyclooctane Formula hydrocarbons, acetonitrile and the like can be used, but these can be used alone or as a mixed solvent.
- an optically active tartaric acid ester with high optical purity can be manufactured by diastereomerically dividing an amino acid or a tartaric acid ester which can be easily synthesized from a racemic alcohol and an optically active amino acid or a tartaric acid derivative anhydride. . Furthermore, by hydrolyzing this optically active amino acid or tartaric acid ester, an optically active alicyclic alcohol derivative which is important as a pharmaceutical intermediate can be produced.
- the amino acid ester or tartrate ester is diastereomerically separated to obtain an optically active amino acid ester or tartrate ester.
- the optically active tartaric acid ester means a mixture in which one of the (S) -form and the (R) -form of the alicyclic alcohol component is 80% or less.
- the desired optically active alcohol can be produced by hydrolyzing the diastereomerically separated optically active amino acid ester.
- Hydrolysis of the esters can be performed with either an acid or an alkali, but it is essential that the alcohol of the target compound does not undergo racemization.
- it may be reacted with a mineral acid aqueous solution such as sulfuric acid or hydrochloric acid, or an alkaline aqueous solution such as sodium hydroxide, potassium hydroxide, sodium carbonate or sodium hydrogen carbonate.
- hydrolysis in addition to water as a solvent, hydrolysis can be performed in the presence of an organic solvent such as methanol, isopropanol, acetone, toluene, and chloroform.
- the reaction temperature cannot be specified because the hydrolysis rate differs depending on the compound. However, heating may be performed within a range that does not cause racemization, and is preferably from room temperature to 100.
- the optically active alcohols can be obtained by, for example, separating from the optically active amino acids by solvent extraction and then distilling.
- the desired optically active alicyclic alcohol derivative can be produced.
- Either acid or alkali can be used to hydrolyze the ester group, but it is essential that the optically active alicyclic alcohols of the target compound are not racemized.
- it may be reacted with an aqueous solution of a mineral acid such as sulfuric acid or hydrochloric acid, or an aqueous solution of an alkali such as sodium hydroxide, potassium hydroxide, sodium carbonate, sodium hydrogen carbonate, or the like.
- hydrolysis can be carried out in the presence of an organic solvent such as methanol, isopropanol, acetone, toluene, and chloroform.
- the reaction temperature cannot be specified because the rate of hydrolysis differs depending on the compound, but heating may be performed within a range that does not cause racemization, and it is preferably from room temperature to 100 ° C.
- ⁇ , 0'-diacyltartaric acid is simultaneously hydrolyzed with the acryl group to form tartaric acid.
- the optically active tartaric acid or the optically active tartaric acid derivative is separated by solvent extraction, and then the optically active alicyclic alcohol derivative is distilled off. Obtainable.
- an optically active alcohol having high optical purity can be easily produced from a racemic alcohol.
- the collected optically active amino acids or tartaric acids can be recycled.
- the alicyclic alcohol used as a raw material includes cycloalkanols such as cyclopentanol, cyclohexanol, cyclohepanol, cyclooctanol, 2-methylcyclohexanol, and 3-methylcyclohexanol.
- cycloalkanols such as cyclopentanol, cyclohexanol, cyclohepanol, cyclooctanol, 2-methylcyclohexanol, and 3-methylcyclohexanol.
- Alkyl-substituted cycloalkanols such as phenol and alkoxycycloalkanols such as 2-methoxycyclohexanol can be preferably used.
- An optically active alicyclic alcohol is an optically active alkyl-substituted cycloalkaline such as optically active 2-methylcyclohexanol and optically active 3-methylcyclooctanol.
- optically active alkoxycycloalkanols such as optically active 2-methoxycyclohexanol.
- the other raw materials are sodium hypochlorite, sodium hypobromite, potassium hypochlorite, potassium hypobromite, and Examples thereof include calcium chlorite or calcium hypobromite, and preferred are sodium hypochlorite, sodium hypobromite, potassium hypochlorite, and potassium hypobromite, and particularly preferred.
- Is sodium hypochlorite As sodium hypochlorite, a commercially available aqueous solution may be used. Any concentration can be used, but a commercially available 5 14% aqueous solution can be preferably used. A dilute aqueous solution of 5% or less is not preferable because the production cost increases because the concentration of the reaction solution becomes low.
- the reaction does not hinder the reaction even if the sodium salt content in the aqueous sodium hypohalite solution is large, but the amount of free alkali, for example, sodium hydroxide / hydroxide-containing sodium, is less than 1%. preferable. If the amount of free alkali is large, it is necessary to neutralize the free alkali in advance or to adjust the amount of mineral acid added to the oxidation reaction solution.
- the amount of alkali metal hypohalite used is determined from the amount of available chlorine, but is affected by the composition of the reaction system, the type of alicyclic alcohol, and the reaction temperature. Usually, it is about 12 equivalents of the alicyclic alcohol as the raw material, and preferably 11.3 equivalents. If it is less than 1 equivalent, the reaction becomes immature.If it is more than 2 equivalents, not only does the raw material cost increase, but also a side reaction occurs due to excessive hypohalous acid, and Disassembly must be performed, which is not advantageous. When the reaction is proceeding favorably by the method of the present invention, the amount of hypohalous acid used is 11.1 o equivalent.
- Aliphatic compounds having specific physical properties to be added have a distribution ratio of alicyclic alcohol at 20 ° C to water of 1 or more, and a solubility in water at 40 ° C of 5% by weight. % Or less as long as it is an organic compound.
- the distribution ratio means that the alicyclic alcohol is added to water of the same weight as the aliphatic compound, stirred for 10 minutes, allowed to stand still and separated to analyze the concentration of both layers.
- the ratio of the concentration of each alicyclic alcohol When the concentration in the organic solvent is higher than the concentration in water, the distribution ratio is 1 or more. Is defined.
- Preferred types of aliphatic compounds vary somewhat depending on the alicyclic alcohol used as the raw material.
- Examples thereof include dichloromethane, chloroform, tetrachloromethane, monochloroethane, 1,1-dichloroethane, 1,2-dichloroethane, 1,1, and 1-1.
- Alkyl chlorides such as trichloroethane and ethers such as getyl ether are preferred.
- Particularly preferred are dichloromethane, chloroform, monochloroethane, 1,1-dichloroethane, and 1,2-dichloromethane.
- the amount of the aliphatic compound used depends on the type of the alicyclic alcohol, but is usually 0.1 to 3 times by weight, preferably 0.2 to the same weight as the alicyclic alcohol. If the addition amount is less than 0.1 weight times, the effect is not exhibited and the reaction rate is slowed down, and the by-products also increase. Further, if the weight is 3 times or more, the reaction rate is undesirably reduced.
- the mineral acid to be added is preferably a sulfuric acid aqueous solution, a hydrochloric acid aqueous solution, or a phosphoric acid aqueous solution.
- the amount used is 0.1 to 2 equivalents, preferably 0.2 to 0.8 equivalents, of the raw material alicyclic alcohol.
- the pH of the reaction solution becomes 3 or more due to the added alkali metal hypohalite, not only the reaction speed is reduced, but also by-products are increased.
- the equivalent is more than 2 equivalents, the decomposition of hypohalous acid is promoted, and the amount of alkali metal hypohalite required to increase the conversion of alicyclic alcohol to 100% increases, resulting in an increase in cost. Not preferred.
- an acid corresponding to the amount of alkali mixed in advance should be used at the beginning of the reaction. Add it or add it sequentially during the reaction.
- the equivalent of an acid means 2 equivalents of 1 mole of sulfuric acid, 1 equivalent of 1 mole of hydrochloric acid, and 3 equivalents of 1 mole of hydrochloric acid per mole of alicyclic alcohol. Means equivalent.
- the concentration of the mineral acid aqueous solution used here is an aqueous solution of 2 to 25% by weight, preferably 5 to 15% by weight. If it is less than 2%, the reaction solution concentration will increase and the production efficiency will worsen.If it is more than 25%, the reaction solution in the initial stage of the reaction will be small and the operability will be poor. It is not desirable because it increases.
- an aqueous solution of an alicyclic alcohol, an organic compound, and an aqueous solution of a mineral acid are collectively charged, and an aqueous solution of an alkali metal hypohalite or an alkaline earth metal hypohalite is added dropwise with stirring. do it.
- the initial charge concentration of the mineral acid aqueous solution is When the amount is high or the amount of the organic compound to be added is small, the reaction can be performed by sequentially adding an aqueous solution of an alicyclic alcohol / mineral acid during the reaction.
- the reaction temperature is 0 to 30 and preferably 15 to 25 in view of the stability of hypohalous acid generated in the reaction solution. If it is lower than 0 ° C, the oxidation reaction will be slow, and if it is higher than 30 ° C, hypohalous acid will be decomposed.
- the reaction is preferably performed at 30 ° C. or lower in order to suppress the racemization reaction.
- the added alkali metal hypohalite is immediately converted into hypohalous acid upon contact with the mineral acid, and then reacts instantly upon contact with the alicyclic alcohol. Therefore, the reaction time is substantially the time of addition of the aqueous solution of hypohalite, and the aging time of about 30 minutes is sufficient.
- hypohalous acid After confirming the completion of the reaction, excess hypohalous acid is decomposed.
- sodium bisulfite may be added until the iodine-containing starch starch does not turn blue-violet.
- the alicyclic ketone thus obtained is isolated from the reaction mixture in a usual manner.
- a method of extracting the reaction mixture with an organic solvent and removing the solvent followed by distillation and purification, or a method of purifying and isolating the extract by column chromatography is used.
- the ketone is an optically active compound, the following operation is preferably included for the purpose of preventing racemization.
- Alkali metal hydrogen salts include sodium hydrogen sulfite, potassium hydrogen sulfite, lithium hydrogen sulfite, and the like. Further, the alkali metal sulfite includes sodium sulfite, potassium sulfite, lithium sulfite and the like.
- the alkali metal bisulfite or the alkali metal sulfite to be added may be used as an aqueous solution or may be added in a powder state. The amount used is the amount determined by the amount of hypohalous acid remaining in the system, and is the amount by which the red starch iodinated starch test paper does not turn blue-violet in color.
- the reaction solution containing the alicyclic ketone thus obtained is adjusted to pH 7.1 to 10, preferably pH 7.5 to 9, and then at 0 to 40 ° C for 0.01 to 5 hours.
- React and base Decomposes unstable impurities.
- the base to be added is alkali metal hydroxides such as sodium hydroxide, hydroxide hydroxide, lithium hydroxide, alkali metal hydrogen carbonates such as sodium hydrogen carbonate and potassium hydrogen carbonate, and alkali metals such as sodium carbonate and potassium carbonate. Carbonates are preferred.
- the pH is set to 10 or more, the racemization may occur simultaneously depending on the type of the optically active alicyclic ketone.
- the optically active alicyclic ketone is isolated from the thus obtained reaction solution by extraction.
- Any solvent can be used as the extraction solvent, as long as it has the ability to separate the liquid with water and extract the optically active alicyclic ketone, and does not react.
- ethers such as getyl ether, ketones such as methyl isobutyl ketone, hydrocarbons such as cyclohexane and toluene, and alkyl halides such as chloroform and dichlorobenzene are used. it can.
- the extract containing the optically active alicyclic ketone is washed with a saturated saline solution, if necessary, dehydrated with a dehydrating agent such as magnesium sulfate, and then the solvent is concentrated.
- the step of making basic is preferably maintained for 0.01 to 5 hours.
- an alicyclic ketone when an alicyclic alcohol is oxidized with sodium hypochlorite, an alicyclic ketone can be easily produced in high yield by coexisting an organic compound and a mineral acid.
- the organic compound means a compound which is not mixed with water and has a distribution ratio of alicyclic alcohol as a raw material of 1 or more with respect to water.
- an optically active alicyclic alcohol when used as a raw material, an optically active alicyclic ketone can be produced without concurrent racemization.
- the raw material alicyclic alcohol and the product alicyclic ketone are often compounds having close boiling points.
- the conversion of the raw material alicyclic alcohol is 10%. It is easy to make it 0%, so that a high-purity alicyclic ketone can be easily obtained.
- an optically active alicyclic alcohol is converted into an optically active alicyclic ketone by oxidizing the optically active alicyclic alcohol with a hypohalite under an acidic condition, and thereafter, a simple process is carried out. Separation and distillation provides an optically active alicyclic ketone with high purity and high storage stability.
- the method (i) of preserving in an environment free of halogen elements is a method of preserving in an environment free of halogen elements at a level that causes the racemization of optically active substituted ketones under the storage conditions. . Specifically, the mixture is heated and refluxed in a 1 N aqueous sodium hydroxide solution, and then subjected to potentiometric titration.
- the content of the halogen element is 5 OO ppm or less, and preferably 200 ppm, based on the optically active ⁇ -substituted cyclic ketone. It means to save at p pm or less.
- the optically active mono-substituted cyclic ketone is coexisted with a solvent containing no halogen element, a preferable result can be obtained.
- a solvent containing no halogen element as used herein includes ketones such as 2-butanone, nitriles such as acetonitrile, aliphatic hydrocarbons such as hexane and octane, cyclohexane and the like.
- Alicyclic hydrocarbons aromatic hydrocarbons such as toluene, esters such as ethyl acetate, ethers such as getyl ether and dioxane, or deoxygenated water can be used. They are hydrogens and ethers.
- the concentration for dilution with the solvent may be any ratio, but is preferably from 10 to 99% by weight. Dilute solutions of less than 10% by weight increase the volume and cannot be stored efficiently. On the other hand, when the content is more than 99% by weight, the effect of adding the solvent cannot be exhibited.
- the storage temperature depends on the quality of the rectified raw material and the optical purity and chemical purity required after storage, but when stored at 20 ° C, the decrease in optical purity and chemical purity after 60 days is 3%. It can be held below.
- the storage pressure can be any of pressurized, normal and reduced pressure.
- the storage place is preferably a place where ultraviolet rays are blocked or stored in a container that blocks ultraviolet rays.
- the method of storing in an environment where oxygen does not come into contact is to blow an inert gas that does not contain oxygen into the rectified raw material, sufficiently remove oxygen from the system, and replace it with the inert gas.
- the solution is stored in a vacuum state or is depressurized with the inert gas and then stored in an inert gas atmosphere.
- the inert gas means a gas that does not react with the optically active ⁇ -substituted cyclic ketone, but is preferably a gas such as nitrogen, helium, or argon.
- the inert gas atmosphere is a state in which oxygen in the gas in the inert gas atmosphere is 5% or less, preferably 1% or less.
- the storage condition can be any of pressurized, normal and reduced pressure.
- the storage temperature varies depending on the quality of the rectified raw material and the optical purity and chemical purity required after storage.If stored at 20 ° C, the optical purity and chemical purity will decrease even after 60 days. Can be reduced to about 1%.
- the storage place is preferably stored in a dark place where ultraviolet rays are blocked or in a container that blocks ultraviolet rays. For more stable storage, it is effective to mix the solvent (1) with a solvent containing no halogen element and then store it under an inert gas atmosphere.
- the method of storing in an environment where metals do not come into contact is that the rectified raw material is not stored in a stainless steel drum or metal container, but is coated with glass or resin containing no halogen element. This is a method of storing in a drum or the like.
- the use of a metal rectification tower / packed packing is not preferred during rectification. Contact with metals not only promotes racemization, but also chemically degrades.
- the metal means a general metal element or an alloy, particularly iron, manganese, nickel, copper, zinc, or an alloy thereof.
- a method for maintaining a state in which water is brought into contact with an optically active ⁇ -substituted cyclic ketone in a range of 3.5 to 7.5 is preferable. In other words, it is 4.5 to 7.5.
- the acid that does not come into contact include inorganic acids such as sulfuric acid and hydrochloric acid
- examples of the base include inorganic bases such as sodium hydrogen carbonate and sodium hydroxide.
- amines which are organic bases react with the carboxylic acid group of the optically active mono-substituted cyclic ketone and cause a decrease in chemical purity.
- resin-gallon is placed in a glass-lined bubble column or a glass-lined rectification column. Rectify using a rectification tower filled with non-metal packing material such as steel, fill in glass or resin-coated drums, and store in an inert gas atmosphere. More preferably, rectification is carried out using a glass-lined foam tower or a glass-lined rectification tower filled with a nonmetallic filler such as resin or glass, and then the halogen element is removed. After diluting with a solvent that does not contain, fill it into a glass or drum coated with a resin that does not contain a halogen element, and store it in an inert gas atmosphere.
- the storage pressure may be any of pressurization, normal pressure, and reduced pressure, but the storage temperature depends on the target purity. For example, when stored at 10 for 6 months, both optical purity and chemical purity can reduce the purity to less than 1%.
- the optically active tri-substituted ketone refers to optically active aliphatic ⁇ -substituted ketones such as optically active 3-methyl-2-oxoheptane, optically active fatty acids such as optically active menthol and optically active 2-methoxyhexanol.
- optically active aralkyl ⁇ -substituted ketones such as alicyclic ⁇ -substituted ketones and optically active 1-methylpyteuryl ketone.
- these are those in the organic solvent extract extracted from the oxidation reaction solution with the organic solvent, those in the concentrate obtained by removing the solvent from the organic solvent extraction layer under reduced pressure, or those obtained by distilling the concentrate under reduced pressure. This means that any concentration of 1 to 99.9% can be used.
- any inorganic oxide, such as zeolite or silica gel, capable of adsorbing a polar substance can be used, but an inorganic oxide exhibiting strong acidity or strong basicity in the system cannot be used.
- mosquitoes which can be used either as natural zeolites or synthetic zeolites, for example, Zeolam A-15 (manufactured by Tosoichi Co., Ltd.) which is commercially available as molecular sieves can be used.
- Kogel C-200 manufactured by Wako Pure Chemical Industries, Ltd.
- these inorganic oxides can be used as they are, it is more effective to use them after pretreatment.
- the pretreatment method there is a method of heating to 100 ° C. or more and drying under reduced pressure, or a method of baking in an electric furnace at 400 ° C. or more.
- the contact method of inorganic oxides is There are a method of adding to the optically active mono-substituted ketone, a method of filling the column and passing the optically active mono-substituted ketone, and the like.
- the amount of the inorganic oxide to be added varies depending on the storage form of the optically active ⁇ -substituted ketones, the amount of impurities, the storage temperature, and the like. 1 wt% to 3 O wt%, preferably 1 wt% to 1 O wt%.
- the inorganic oxides are added to the organic solvent extract, the concentrated solution obtained by removing the solvent from the organic solvent extract under reduced pressure, or the optically active ⁇ -substituted ketones distilled under reduced pressure, and then sufficiently stirred. No need to stir. Further, after the compound which promotes the racemization is adsorbed by sufficiently stirring, the compound may be separated by filtration or the like, or may coexist in the system as it is.
- the storage temperature of the optically active monosubstituted ketones contacted with the inorganic oxide varies depending on the type of the optically active monosubstituted ketones, the required optical purity and the required chemical purity, but is usually 30 or less, preferably 10 or less. Is as follows.
- the temperature is ⁇ : or less, preferably ⁇ 10 ° C or less.
- the preservation of optically active mono-substituted ketones in contact with an inorganic oxide is more effective when not in contact with oxygen.
- an inert gas such as nitrogen, helium, or argon.
- optically active and substituted ketones which are chemically and optically unstable can be stored chemically and optically stably.
- Optically active alcohols and optically active ketones obtained by the above methods are useful as organic reaction raw materials, particularly as intermediates for medical and agricultural chemicals.
- the crystals were diluted with 1N aqueous sodium hydroxide solution (44m1) and methanol (2Om1). The mixture was reacted at 40 ° C for 2 hours to hydrolyze. The reaction solution was concentrated under reduced pressure to remove most of the methanol, and then extracted three times with 20 ml 1-neck form, concentrated and concentrated to (1S) -hydroxy- (2S) -methoxycyclohexane 3.7 g was obtained. The optical purity was 98% ee.
- the composition of the eluent differs depending on the target compound, but the basic analysis conditions are as follows.
- the peak detection time in liquid chromatography analysis of each product was 35 minutes for (R) -2-methoxycyclohexanol ester and 3 minutes for (S) -2-methoxycyclohexanol ester. It was 7min. From the analytical data, the ratio of (R) -ester to (S) -ester of the produced tartaric acid ester was approximately 1 Z 1. Next, after filtering unreacted diparatol oil 1 L monotartaric anhydride, the filtrate was concentrated and then separated by column.
- the column packing is silica gel (Kieselgel 60 60-230mesh manufactured by Merck), chromatographed by changing the composition of acetonitrile / cyclohexane, and diparatoluoyl-L-tartaric acid mono (R) -2 9.5 g of methoxycyclohexyl ester was obtained.
- the optical purity of (R) monoester was 98% ee.
- Dibenzoyl L-tartaric anhydride 51.0 g (0.15 mole), (RS) -2-methoxycyclohexanol in four 500 ml flasks equipped with thermometer, dropping funnel, condenser, and stirrer 13.0 g (0.1 mol), 1.2 g of anhydrous iron trichloride, and 30 Om of toluene were charged and heated under reflux for 10 hours. Analysis of the reaction mixture by liquid chromatography revealed that 95% of dibenzoyl L-tartaric acid mono (2-methoxy) cyclohexyl ester was formed.
- the ratio of (R) monoester to (S) -ester was approximately 1 Z1. After filtering the insoluble matter, the filtrate was concentrated, and the composition of acetonitrile / cyclohexane was changed using a column packed with silica gel (Kieselgel 60 60 to 230 mesh manufactured by Merck). The mixture was separated by chromatography to obtain 10.8 g of dibenzoyl L-tartaric acid mono (R) -2-methoxycyclohexyl ester. According to analysis by liquid chromatography, the optical purity of the (R) -ester was 96% ee. The 'H-NMR chart of this compound (the solvent used was CDC13) is shown in FIG. Example 8
- a column packed with silica gel Karlgel 60 60-230mesh manufactured by Merck containing a concentrated solution containing about 20 g of dibenzoyl L-mono-tartaric acid mono (R) -2-methoxycyclohexyl ester obtained in the same manner as in the Example.
- the eluate was concentrated to obtain 5.8 g of dibenzoyl mono-L-tartaric acid-mono (R) -2-methoxycyclohexyl ester.
- the organic compounds added here, methanol and acetate Has a solubility in water of 5 wt% or more at 40 :, and the distribution of (RS) -2-methoxycyclohexanol at 20 ° C in cyclohexane and water is heavily biased toward water.
- the distribution ratio to cyclohexane is 1 or less.
- reaction solution was analyzed by GC, and after confirming that the peak of (S) -2-methoxycyclohexanol had disappeared, 2 g of sodium bisulfite was added with stirring. After confirming that the lithium iodide starch test paper did not turn blue-purple, it was extracted twice with 200 g of dichloromethane. Combine the dichloromethane layers and add 10% aqueous sodium carbonate 3 ⁇ ] After the addition, the mixture was stirred at 20 to 25T: for 1 hour, and it was confirmed that ⁇ of the aqueous layer was 7.5 or more.
- the chemical purity of the optically active 2-methoxycyclohexanone in this example was determined by GC analysis using Thermo ⁇ 3000 as a liquid layer, and the optical purity was determined by GC analysis using a chiral column.
- Example 19 Same as Example 19 (S) _2-Methoxycyclohexanone was diluted to 50 w with cyclohexane, charged into a glass ampoule, replaced with argon, sealed, and sealed at room temperature (20 to 25 ° C.). ) And stored for 1 month. After opening, the contents were analyzed and found to be 98.68% e e, with a chemical purity of 99.27%.
- Example 22 Same as Example 19 (S) -2-Methoxycyclohexanone diluted to 50 w with cyclohexane, charged into a glass ampule, sealed and stored at 20 ° C. for 60 days ⁇ After opening As a result of analyzing the contents, the optical purity is 95.89% ee and the chemical purity was 96.1%.
- Example 22
- Example 23 The same as in Example 19, (S) -2-methoxycyclohexanone was charged into a glass ampoule, replaced with nitrogen, sealed, and stored at 20 ° C for 60 days. After opening the container, the contents were prayed and the optical purity was 98.5% ee and the chemical purity was 99.0 7%.
- (S) -2-methoxycyclohexanone was charged into a glass ampoule, replaced with nitrogen, sealed, and stored at 20 ° C for 60 days. After opening the container, the contents were prayed and the optical purity was 98.5% ee and the chemical purity was 99.0 7%.
- Example 19 Same as Example 19 (S) -2-Methoxycyclohexanone diluted to 5 Owt ⁇ with a predetermined solvent, charged into a glass ampoule, sealed as it is without replacing with an inert gas, and kept at 80 T: for 65 hours Heated.
- Table 5 shows the results of analysis of the optical purity and chemical purity of the contents after opening.
- Example 19 In the same manner as in Example 19, the same (S) -2-methoxycyclohexanone as in Example 1 was diluted to 50 ⁇ 3 ⁇ 4 with a solvent containing a halogen element, charged into a glass ampule, and replaced with argon. It was then sealed and heated at 80 for 65 hours. Table 6 shows the results of analysis of the optical purity and chemical purity of the contents after opening.
- Example 19 Same as in Example 9 (S) -2-Methoxycyclohexanone was charged into a glass ampoule in the same manner as in Example 1, diluted with an aqueous solution containing various inorganic salts, acids, and bases to 5 Ow, and argon was added. After displacing and sealing, the mixture was heated at 80 for 65 hours. After opening, the results of analysis of the optical purity and chemical purity of the contents are shown in Table 7.
- the reaction solution was analyzed by GC, and after confirming that the peak of (S) -2-methoxycyclohexanol had disappeared, 2 g of sodium bisulfite was added with stirring. After confirming that the lithium iodide starch test paper did not turn blue-purple, 10% aqueous sodium carbonate solution was added at 3 Om 1 and then stirred at 20 to 25 for 1 hour. Then it was extracted twice with 50 g of dichloromethane. The dichloromethane layers were combined, washed with a saturated saline solution, and concentrated to obtain 21.6 g of a dichloromethane solution containing 11.5 g (90 mmol) of (S) -2-methoxycyclohexanone.
- Example 28 In the same manner as in Example 27, 23.5 g of a concentrated solution was obtained. This contained 9.6 g of (S) -2-methoxycyclohexanone. The optical purity of (S) -2-methoxycyclohexanone in the concentrate was 99.6% ee. 10 g of this solution was charged in the same test tube as in Example 25, and dried under reduced pressure at 100 ° C for 5 hours as a pretreatment.
- Example 30 In the same manner as in Example 26 except that the extraction solvent was changed to dichloroethane, 21.9 g of a concentrated solution was obtained. This contained 12.0 g of (S) -2-methoxycyclohexanone. The optical purity of (S) -2-methoxycyclohexanone in the concentrate was 95.9% ee. 8 g of this solution was charged into the same test tube as in Example 1, and 2 g of Zeolam A-5, which had been dried at 100 ° C. for 5 hours under reduced pressure, was added as a pretreatment, followed by purging with argon. After stirring at room temperature for 1 hour, the mixture was disputed at 40 for 13 hours. The optical purity of the content was 95.9% ee, and no impurity peaks that were not observed during preparation by GC analysis were detected. Meanwhile, those not added Zeolum A- 5 optical science purity; 87. was 1% ee. Example 30
- optically active amino acid ester, optically active alcohol and optically active ketone of the present invention are useful as intermediates for pharmaceuticals and agricultural chemicals.
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Description
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US09/202,793 US6320069B1 (en) | 1996-07-02 | 1997-07-02 | Production of optically active ketone |
EP97929502A EP0924180A4 (en) | 1996-07-02 | 1997-07-02 | PROCESS FOR THE PRODUCTION OF OPTICALLY ACTIVE KETONES |
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JP8/172711 | 1996-07-02 | ||
JP17271196 | 1996-07-02 | ||
JP26641696 | 1996-10-07 | ||
JP8/266416 | 1996-10-07 | ||
JP31248696 | 1996-11-22 | ||
JP8/312486 | 1996-11-22 | ||
JP409497 | 1997-01-13 | ||
JP9/4094 | 1997-01-13 |
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US20070036733A1 (en) | 2005-08-12 | 2007-02-15 | Takasago International Corp. (Usa) | Sensation masking composition |
JP5001562B2 (ja) * | 2006-03-02 | 2012-08-15 | 出光興産株式会社 | メチルエチルケトンの重質分生成防止方法 |
DE102007011288A1 (de) | 2007-03-08 | 2008-09-11 | Evonik Degussa Gmbh | Verfahren zur Stabilisierung von Cyclobutanonderivaten |
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US6320069B1 (en) | 2001-11-20 |
EP0924180A4 (en) | 2005-04-20 |
EP0924180A1 (en) | 1999-06-23 |
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