JP2014500253A - ベンジルアミン化合物から2,2−ジフルオロエチルアミンを調製する方法 - Google Patents
ベンジルアミン化合物から2,2−ジフルオロエチルアミンを調製する方法 Download PDFInfo
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- JP2014500253A JP2014500253A JP2013538145A JP2013538145A JP2014500253A JP 2014500253 A JP2014500253 A JP 2014500253A JP 2013538145 A JP2013538145 A JP 2013538145A JP 2013538145 A JP2013538145 A JP 2013538145A JP 2014500253 A JP2014500253 A JP 2014500253A
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- bromide
- hydrogen
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- OVRWUZYZECPJOB-UHFFFAOYSA-N 2,2-difluoroethanamine Chemical compound NCC(F)F OVRWUZYZECPJOB-UHFFFAOYSA-N 0.000 title claims abstract description 29
- 238000000034 method Methods 0.000 title claims description 13
- 150000003939 benzylamines Chemical class 0.000 title description 2
- WGQKYBSKWIADBV-UHFFFAOYSA-N aminomethyl benzene Natural products NCC1=CC=CC=C1 WGQKYBSKWIADBV-UHFFFAOYSA-N 0.000 claims abstract description 62
- -1 hydrogen compound Chemical class 0.000 claims abstract description 54
- 239000002253 acid Substances 0.000 claims abstract description 25
- 229910052739 hydrogen Inorganic materials 0.000 claims abstract description 24
- 239000001257 hydrogen Substances 0.000 claims abstract description 24
- 239000002516 radical scavenger Substances 0.000 claims abstract description 17
- 238000009903 catalytic hydrogenation reaction Methods 0.000 claims abstract description 15
- 239000000460 chlorine Substances 0.000 claims abstract description 15
- 150000001875 compounds Chemical class 0.000 claims abstract description 15
- ZAMOUSCENKQFHK-UHFFFAOYSA-N Chlorine atom Chemical compound [Cl] ZAMOUSCENKQFHK-UHFFFAOYSA-N 0.000 claims abstract description 14
- 229910052801 chlorine Inorganic materials 0.000 claims abstract description 14
- UFHFLCQGNIYNRP-UHFFFAOYSA-N Hydrogen Chemical compound [H][H] UFHFLCQGNIYNRP-UHFFFAOYSA-N 0.000 claims abstract description 13
- 150000002431 hydrogen Chemical class 0.000 claims abstract description 11
- 150000003839 salts Chemical class 0.000 claims abstract description 9
- WKBOTKDWSSQWDR-UHFFFAOYSA-N Bromine atom Chemical compound [Br] WKBOTKDWSSQWDR-UHFFFAOYSA-N 0.000 claims abstract description 8
- GDTBXPJZTBHREO-UHFFFAOYSA-N bromine Substances BrBr GDTBXPJZTBHREO-UHFFFAOYSA-N 0.000 claims abstract description 8
- 229910052794 bromium Inorganic materials 0.000 claims abstract description 8
- 229910052736 halogen Inorganic materials 0.000 claims abstract description 6
- 150000002367 halogens Chemical class 0.000 claims abstract description 6
- ZCYVEMRRCGMTRW-UHFFFAOYSA-N 7553-56-2 Chemical compound [I] ZCYVEMRRCGMTRW-UHFFFAOYSA-N 0.000 claims abstract description 5
- 239000011630 iodine Substances 0.000 claims abstract description 5
- 229910052740 iodine Inorganic materials 0.000 claims abstract description 5
- 238000004519 manufacturing process Methods 0.000 claims abstract description 3
- 238000002360 preparation method Methods 0.000 claims description 53
- 239000003054 catalyst Substances 0.000 claims description 33
- 239000002904 solvent Substances 0.000 claims description 33
- 229910052731 fluorine Inorganic materials 0.000 claims description 10
- 239000011737 fluorine Substances 0.000 claims description 10
- 239000000203 mixture Substances 0.000 claims description 8
- 125000005207 tetraalkylammonium group Chemical group 0.000 claims description 6
- YTBDMLNQYFMNLE-UHFFFAOYSA-M tetrakis(dipropylamino)phosphanium;chloride Chemical compound [Cl-].CCCN(CCC)[P+](N(CCC)CCC)(N(CCC)CCC)N(CCC)CCC YTBDMLNQYFMNLE-UHFFFAOYSA-M 0.000 claims description 5
- CPELXLSAUQHCOX-UHFFFAOYSA-M Bromide Chemical compound [Br-] CPELXLSAUQHCOX-UHFFFAOYSA-M 0.000 claims description 4
- 150000007529 inorganic bases Chemical class 0.000 claims description 4
- 150000004694 iodide salts Chemical class 0.000 claims description 4
- 150000007530 organic bases Chemical class 0.000 claims description 4
- XZXYQEHISUMZAT-UHFFFAOYSA-N 2-[(2-hydroxy-5-methylphenyl)methyl]-4-methylphenol Chemical compound CC1=CC=C(O)C(CC=2C(=CC=C(C)C=2)O)=C1 XZXYQEHISUMZAT-UHFFFAOYSA-N 0.000 claims description 3
- 229910001513 alkali metal bromide Inorganic materials 0.000 claims description 3
- 229910001516 alkali metal iodide Inorganic materials 0.000 claims description 3
- SWLVFNYSXGMGBS-UHFFFAOYSA-N ammonium bromide Chemical compound [NH4+].[Br-] SWLVFNYSXGMGBS-UHFFFAOYSA-N 0.000 claims description 3
- 229940107816 ammonium iodide Drugs 0.000 claims description 3
- 150000004820 halides Chemical class 0.000 claims description 3
- XMBWDFGMSWQBCA-UHFFFAOYSA-N hydrogen iodide Chemical compound I XMBWDFGMSWQBCA-UHFFFAOYSA-N 0.000 claims description 3
- 125000000956 methoxy group Chemical group [H]C([H])([H])O* 0.000 claims description 3
- GQSNYNMMDQPIDR-UHFFFAOYSA-M tetrakis(diethylamino)phosphanium;bromide Chemical compound [Br-].CCN(CC)[P+](N(CC)CC)(N(CC)CC)N(CC)CC GQSNYNMMDQPIDR-UHFFFAOYSA-M 0.000 claims description 3
- XPHZKRUTPDDXGG-UHFFFAOYSA-M tetrakis(dipropylamino)phosphanium;bromide Chemical compound [Br-].CCCN(CCC)[P+](N(CCC)CCC)(N(CCC)CCC)N(CCC)CCC XPHZKRUTPDDXGG-UHFFFAOYSA-M 0.000 claims description 3
- 230000000415 inactivating effect Effects 0.000 claims description 2
- 230000003472 neutralizing effect Effects 0.000 claims description 2
- 125000002147 dimethylamino group Chemical group [H]C([H])([H])N(*)C([H])([H])[H] 0.000 claims 4
- QWFVUUOLQRCUTE-UHFFFAOYSA-M carbanylium bromide Chemical compound [CH3+].[Br-] QWFVUUOLQRCUTE-UHFFFAOYSA-M 0.000 claims 2
- NFHFRUOZVGFOOS-UHFFFAOYSA-N palladium;triphenylphosphane Chemical compound [Pd].C1=CC=CC=C1P(C=1C=CC=CC=1)C1=CC=CC=C1.C1=CC=CC=C1P(C=1C=CC=CC=1)C1=CC=CC=C1.C1=CC=CC=C1P(C=1C=CC=CC=1)C1=CC=CC=C1.C1=CC=CC=C1P(C=1C=CC=CC=1)C1=CC=CC=C1 NFHFRUOZVGFOOS-UHFFFAOYSA-N 0.000 claims 2
- PMOIAJVKYNVHQE-UHFFFAOYSA-N phosphanium;bromide Chemical compound [PH4+].[Br-] PMOIAJVKYNVHQE-UHFFFAOYSA-N 0.000 claims 2
- 125000002924 primary amino group Chemical group [H]N([H])* 0.000 claims 2
- PXGOKWXKJXAPGV-UHFFFAOYSA-N Fluorine Chemical compound FF PXGOKWXKJXAPGV-UHFFFAOYSA-N 0.000 claims 1
- PNDPGZBMCMUPRI-UHFFFAOYSA-N iodine Chemical compound II PNDPGZBMCMUPRI-UHFFFAOYSA-N 0.000 claims 1
- 238000006243 chemical reaction Methods 0.000 abstract description 34
- 239000000126 substance Substances 0.000 abstract description 2
- 125000004183 alkoxy alkyl group Chemical group 0.000 abstract 1
- YMWUJEATGCHHMB-UHFFFAOYSA-N Dichloromethane Chemical compound ClCCl YMWUJEATGCHHMB-UHFFFAOYSA-N 0.000 description 33
- ATEBGNALLCMSGS-UHFFFAOYSA-N 2-chloro-1,1-difluoroethane Chemical compound FC(F)CCl ATEBGNALLCMSGS-UHFFFAOYSA-N 0.000 description 27
- HEMHJVSKTPXQMS-UHFFFAOYSA-M Sodium hydroxide Chemical compound [OH-].[Na+] HEMHJVSKTPXQMS-UHFFFAOYSA-M 0.000 description 27
- 239000008346 aqueous phase Substances 0.000 description 21
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 description 18
- 229910001868 water Inorganic materials 0.000 description 18
- OUSJSLQIBWQADW-UHFFFAOYSA-N n-benzyl-2,2-difluoroethanamine Chemical compound FC(F)CNCC1=CC=CC=C1 OUSJSLQIBWQADW-UHFFFAOYSA-N 0.000 description 17
- VEXZGXHMUGYJMC-UHFFFAOYSA-N Hydrochloric acid Chemical compound Cl VEXZGXHMUGYJMC-UHFFFAOYSA-N 0.000 description 16
- YXFVVABEGXRONW-UHFFFAOYSA-N Toluene Chemical compound CC1=CC=CC=C1 YXFVVABEGXRONW-UHFFFAOYSA-N 0.000 description 15
- ZMANZCXQSJIPKH-UHFFFAOYSA-N Triethylamine Chemical compound CCN(CC)CC ZMANZCXQSJIPKH-UHFFFAOYSA-N 0.000 description 15
- 239000011541 reaction mixture Substances 0.000 description 15
- UHOVQNZJYSORNB-UHFFFAOYSA-N Benzene Chemical compound C1=CC=CC=C1 UHOVQNZJYSORNB-UHFFFAOYSA-N 0.000 description 12
- 239000012074 organic phase Substances 0.000 description 12
- NLKNQRATVPKPDG-UHFFFAOYSA-M potassium iodide Chemical compound [K+].[I-] NLKNQRATVPKPDG-UHFFFAOYSA-M 0.000 description 12
- QGZKDVFQNNGYKY-UHFFFAOYSA-N Ammonia Chemical compound N QGZKDVFQNNGYKY-UHFFFAOYSA-N 0.000 description 10
- RTZKZFJDLAIYFH-UHFFFAOYSA-N Diethyl ether Chemical compound CCOCC RTZKZFJDLAIYFH-UHFFFAOYSA-N 0.000 description 10
- UIIMBOGNXHQVGW-UHFFFAOYSA-M Sodium bicarbonate Chemical compound [Na+].OC([O-])=O UIIMBOGNXHQVGW-UHFFFAOYSA-M 0.000 description 10
- 229910052757 nitrogen Inorganic materials 0.000 description 10
- QTBSBXVTEAMEQO-UHFFFAOYSA-N Acetic acid Chemical compound CC(O)=O QTBSBXVTEAMEQO-UHFFFAOYSA-N 0.000 description 9
- KDLHZDBZIXYQEI-UHFFFAOYSA-N Palladium Chemical compound [Pd] KDLHZDBZIXYQEI-UHFFFAOYSA-N 0.000 description 9
- FVAUCKIRQBBSSJ-UHFFFAOYSA-M sodium iodide Chemical compound [Na+].[I-] FVAUCKIRQBBSSJ-UHFFFAOYSA-M 0.000 description 9
- 239000000243 solution Substances 0.000 description 9
- YCKRFDGAMUMZLT-UHFFFAOYSA-N Fluorine atom Chemical compound [F] YCKRFDGAMUMZLT-UHFFFAOYSA-N 0.000 description 8
- WYURNTSHIVDZCO-UHFFFAOYSA-N Tetrahydrofuran Chemical compound C1CCOC1 WYURNTSHIVDZCO-UHFFFAOYSA-N 0.000 description 8
- 150000001412 amines Chemical class 0.000 description 8
- 239000002585 base Substances 0.000 description 8
- IOLCXVTUBQKXJR-UHFFFAOYSA-M potassium bromide Chemical compound [K+].[Br-] IOLCXVTUBQKXJR-UHFFFAOYSA-M 0.000 description 8
- 230000035484 reaction time Effects 0.000 description 8
- 229910052751 metal Inorganic materials 0.000 description 7
- 239000002184 metal Substances 0.000 description 7
- 239000007858 starting material Substances 0.000 description 7
- OKTJSMMVPCPJKN-UHFFFAOYSA-N Carbon Chemical compound [C] OKTJSMMVPCPJKN-UHFFFAOYSA-N 0.000 description 6
- XTHFKEDIFFGKHM-UHFFFAOYSA-N Dimethoxyethane Chemical compound COCCOC XTHFKEDIFFGKHM-UHFFFAOYSA-N 0.000 description 6
- OKKJLVBELUTLKV-UHFFFAOYSA-N Methanol Chemical compound OC OKKJLVBELUTLKV-UHFFFAOYSA-N 0.000 description 6
- 238000004821 distillation Methods 0.000 description 6
- 150000002430 hydrocarbons Chemical group 0.000 description 6
- VLKZOEOYAKHREP-UHFFFAOYSA-N n-Hexane Chemical compound CCCCCC VLKZOEOYAKHREP-UHFFFAOYSA-N 0.000 description 6
- BASFCYQUMIYNBI-UHFFFAOYSA-N platinum Chemical compound [Pt] BASFCYQUMIYNBI-UHFFFAOYSA-N 0.000 description 6
- 125000002496 methyl group Chemical group [H]C([H])([H])* 0.000 description 5
- IJGRMHOSHXDMSA-UHFFFAOYSA-N nitrogen Substances N#N IJGRMHOSHXDMSA-UHFFFAOYSA-N 0.000 description 5
- 239000012071 phase Substances 0.000 description 5
- 229910000030 sodium bicarbonate Inorganic materials 0.000 description 5
- 235000017557 sodium bicarbonate Nutrition 0.000 description 5
- 239000007787 solid Substances 0.000 description 5
- DURPTKYDGMDSBL-UHFFFAOYSA-N 1-butoxybutane Chemical compound CCCCOCCCC DURPTKYDGMDSBL-UHFFFAOYSA-N 0.000 description 4
- SZNYYWIUQFZLLT-UHFFFAOYSA-N 2-methyl-1-(2-methylpropoxy)propane Chemical compound CC(C)COCC(C)C SZNYYWIUQFZLLT-UHFFFAOYSA-N 0.000 description 4
- XKRFYHLGVUSROY-UHFFFAOYSA-N Argon Chemical compound [Ar] XKRFYHLGVUSROY-UHFFFAOYSA-N 0.000 description 4
- LCGLNKUTAGEVQW-UHFFFAOYSA-N Dimethyl ether Chemical compound COC LCGLNKUTAGEVQW-UHFFFAOYSA-N 0.000 description 4
- BZLVMXJERCGZMT-UHFFFAOYSA-N Methyl tert-butyl ether Chemical compound COC(C)(C)C BZLVMXJERCGZMT-UHFFFAOYSA-N 0.000 description 4
- IMNFDUFMRHMDMM-UHFFFAOYSA-N N-Heptane Chemical compound CCCCCCC IMNFDUFMRHMDMM-UHFFFAOYSA-N 0.000 description 4
- SECXISVLQFMRJM-UHFFFAOYSA-N N-Methylpyrrolidone Chemical compound CN1CCCC1=O SECXISVLQFMRJM-UHFFFAOYSA-N 0.000 description 4
- MUBZPKHOEPUJKR-UHFFFAOYSA-N Oxalic acid Chemical compound OC(=O)C(O)=O MUBZPKHOEPUJKR-UHFFFAOYSA-N 0.000 description 4
- OFBQJSOFQDEBGM-UHFFFAOYSA-N Pentane Chemical compound CCCCC OFBQJSOFQDEBGM-UHFFFAOYSA-N 0.000 description 4
- 150000001338 aliphatic hydrocarbons Chemical class 0.000 description 4
- 238000005804 alkylation reaction Methods 0.000 description 4
- 229910021529 ammonia Inorganic materials 0.000 description 4
- RDOXTESZEPMUJZ-UHFFFAOYSA-N anisole Chemical compound COC1=CC=CC=C1 RDOXTESZEPMUJZ-UHFFFAOYSA-N 0.000 description 4
- 230000009286 beneficial effect Effects 0.000 description 4
- 238000009835 boiling Methods 0.000 description 4
- MVPPADPHJFYWMZ-UHFFFAOYSA-N chlorobenzene Chemical compound ClC1=CC=CC=C1 MVPPADPHJFYWMZ-UHFFFAOYSA-N 0.000 description 4
- USIUVYZYUHIAEV-UHFFFAOYSA-N diphenyl ether Chemical compound C=1C=CC=CC=1OC1=CC=CC=C1 USIUVYZYUHIAEV-UHFFFAOYSA-N 0.000 description 4
- 125000001495 ethyl group Chemical group [H]C([H])([H])C([H])([H])* 0.000 description 4
- 238000004508 fractional distillation Methods 0.000 description 4
- KQNPFQTWMSNSAP-UHFFFAOYSA-N isobutyric acid Chemical compound CC(C)C(O)=O KQNPFQTWMSNSAP-UHFFFAOYSA-N 0.000 description 4
- BDAGIHXWWSANSR-UHFFFAOYSA-N methanoic acid Natural products OC=O BDAGIHXWWSANSR-UHFFFAOYSA-N 0.000 description 4
- UAEPNZWRGJTJPN-UHFFFAOYSA-N methylcyclohexane Chemical compound CC1CCCCC1 UAEPNZWRGJTJPN-UHFFFAOYSA-N 0.000 description 4
- 229910052763 palladium Inorganic materials 0.000 description 4
- YLQBMQCUIZJEEH-UHFFFAOYSA-N tetrahydrofuran Natural products C=1C=COC=1 YLQBMQCUIZJEEH-UHFFFAOYSA-N 0.000 description 4
- YMVFJGSXZNNUDW-UHFFFAOYSA-N (4-chlorophenyl)methanamine Chemical compound NCC1=CC=C(Cl)C=C1 YMVFJGSXZNNUDW-UHFFFAOYSA-N 0.000 description 3
- HMTSWYPNXFHGEP-UHFFFAOYSA-N (4-methylphenyl)methanamine Chemical compound CC1=CC=C(CN)C=C1 HMTSWYPNXFHGEP-UHFFFAOYSA-N 0.000 description 3
- IDPURXSQCKYKIJ-UHFFFAOYSA-N 1-(4-methoxyphenyl)methanamine Chemical compound COC1=CC=C(CN)C=C1 IDPURXSQCKYKIJ-UHFFFAOYSA-N 0.000 description 3
- OISVCGZHLKNMSJ-UHFFFAOYSA-N 2,6-dimethylpyridine Chemical compound CC1=CC=CC(C)=N1 OISVCGZHLKNMSJ-UHFFFAOYSA-N 0.000 description 3
- CSCPPACGZOOCGX-UHFFFAOYSA-N Acetone Chemical compound CC(C)=O CSCPPACGZOOCGX-UHFFFAOYSA-N 0.000 description 3
- WEVYAHXRMPXWCK-UHFFFAOYSA-N Acetonitrile Chemical compound CC#N WEVYAHXRMPXWCK-UHFFFAOYSA-N 0.000 description 3
- VHUUQVKOLVNVRT-UHFFFAOYSA-N Ammonium hydroxide Chemical compound [NH4+].[OH-] VHUUQVKOLVNVRT-UHFFFAOYSA-N 0.000 description 3
- DKPFZGUDAPQIHT-UHFFFAOYSA-N Butyl acetate Natural products CCCCOC(C)=O DKPFZGUDAPQIHT-UHFFFAOYSA-N 0.000 description 3
- LFQSCWFLJHTTHZ-UHFFFAOYSA-N Ethanol Chemical compound CCO LFQSCWFLJHTTHZ-UHFFFAOYSA-N 0.000 description 3
- XEKOWRVHYACXOJ-UHFFFAOYSA-N Ethyl acetate Chemical compound CCOC(C)=O XEKOWRVHYACXOJ-UHFFFAOYSA-N 0.000 description 3
- CPELXLSAUQHCOX-UHFFFAOYSA-N Hydrogen bromide Chemical compound Br CPELXLSAUQHCOX-UHFFFAOYSA-N 0.000 description 3
- FXHOOIRPVKKKFG-UHFFFAOYSA-N N,N-Dimethylacetamide Chemical compound CN(C)C(C)=O FXHOOIRPVKKKFG-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
- SJRJJKPEHAURKC-UHFFFAOYSA-N N-Methylmorpholine Chemical compound CN1CCOCC1 SJRJJKPEHAURKC-UHFFFAOYSA-N 0.000 description 3
- PAMIQIKDUOTOBW-UHFFFAOYSA-N N-methylcyclohexylamine Natural products CN1CCCCC1 PAMIQIKDUOTOBW-UHFFFAOYSA-N 0.000 description 3
- CTQNGGLPUBDAKN-UHFFFAOYSA-N O-Xylene Chemical compound CC1=CC=CC=C1C CTQNGGLPUBDAKN-UHFFFAOYSA-N 0.000 description 3
- KWYUFKZDYYNOTN-UHFFFAOYSA-M Potassium hydroxide Chemical compound [OH-].[K+] KWYUFKZDYYNOTN-UHFFFAOYSA-M 0.000 description 3
- 235000011054 acetic acid Nutrition 0.000 description 3
- 125000000217 alkyl group Chemical group 0.000 description 3
- 230000029936 alkylation Effects 0.000 description 3
- 150000004945 aromatic hydrocarbons Chemical class 0.000 description 3
- JFDZBHWFFUWGJE-UHFFFAOYSA-N benzonitrile Chemical compound N#CC1=CC=CC=C1 JFDZBHWFFUWGJE-UHFFFAOYSA-N 0.000 description 3
- XKXHCNPAFAXVRZ-UHFFFAOYSA-N benzylazanium;chloride Chemical compound [Cl-].[NH3+]CC1=CC=CC=C1 XKXHCNPAFAXVRZ-UHFFFAOYSA-N 0.000 description 3
- 230000015572 biosynthetic process Effects 0.000 description 3
- KRKNYBCHXYNGOX-UHFFFAOYSA-N citric acid Chemical compound OC(=O)CC(O)(C(O)=O)CC(O)=O KRKNYBCHXYNGOX-UHFFFAOYSA-N 0.000 description 3
- 125000004177 diethyl group Chemical group [H]C([H])([H])C([H])([H])* 0.000 description 3
- 238000001914 filtration Methods 0.000 description 3
- 229930195733 hydrocarbon Natural products 0.000 description 3
- 238000005984 hydrogenation reaction Methods 0.000 description 3
- 238000002156 mixing Methods 0.000 description 3
- TVMXDCGIABBOFY-UHFFFAOYSA-N octane Chemical compound CCCCCCCC TVMXDCGIABBOFY-UHFFFAOYSA-N 0.000 description 3
- 229910052697 platinum Inorganic materials 0.000 description 3
- 229930195734 saturated hydrocarbon Natural products 0.000 description 3
- 239000012279 sodium borohydride Substances 0.000 description 3
- 229910000033 sodium borohydride Inorganic materials 0.000 description 3
- 235000009518 sodium iodide Nutrition 0.000 description 3
- 238000003786 synthesis reaction Methods 0.000 description 3
- 239000008096 xylene Substances 0.000 description 3
- RYHBNJHYFVUHQT-UHFFFAOYSA-N 1,4-Dioxane Chemical compound C1COCCO1 RYHBNJHYFVUHQT-UHFFFAOYSA-N 0.000 description 2
- FEWLNYSYJNLUOO-UHFFFAOYSA-N 1-Piperidinecarboxaldehyde Chemical compound O=CN1CCCCC1 FEWLNYSYJNLUOO-UHFFFAOYSA-N 0.000 description 2
- PPNCOQHHSGMKGI-UHFFFAOYSA-N 1-cyclononyldiazonane Chemical compound C1CCCCCCCC1N1NCCCCCCC1 PPNCOQHHSGMKGI-UHFFFAOYSA-N 0.000 description 2
- NFDXQGNDWIPXQL-UHFFFAOYSA-N 1-cyclooctyldiazocane Chemical compound C1CCCCCCC1N1NCCCCCC1 NFDXQGNDWIPXQL-UHFFFAOYSA-N 0.000 description 2
- VZAWCLCJGSBATP-UHFFFAOYSA-N 1-cycloundecyl-1,2-diazacycloundecane Chemical compound C1CCCCCCCCCC1N1NCCCCCCCCC1 VZAWCLCJGSBATP-UHFFFAOYSA-N 0.000 description 2
- NVJUHMXYKCUMQA-UHFFFAOYSA-N 1-ethoxypropane Chemical compound CCCOCC NVJUHMXYKCUMQA-UHFFFAOYSA-N 0.000 description 2
- AVFZOVWCLRSYKC-UHFFFAOYSA-N 1-methylpyrrolidine Chemical compound CN1CCCC1 AVFZOVWCLRSYKC-UHFFFAOYSA-N 0.000 description 2
- IMKIZPDGBFALQR-UHFFFAOYSA-N 2,2-difluoro-n-[(4-methoxyphenyl)methyl]ethanamine Chemical compound COC1=CC=C(CNCC(F)F)C=C1 IMKIZPDGBFALQR-UHFFFAOYSA-N 0.000 description 2
- IJFAKRPDMXEACQ-UHFFFAOYSA-N 2,2-difluoro-n-[(4-methylphenyl)methyl]ethanamine Chemical compound CC1=CC=C(CNCC(F)F)C=C1 IJFAKRPDMXEACQ-UHFFFAOYSA-N 0.000 description 2
- BWZVCCNYKMEVEX-UHFFFAOYSA-N 2,4,6-Trimethylpyridine Chemical compound CC1=CC(C)=NC(C)=C1 BWZVCCNYKMEVEX-UHFFFAOYSA-N 0.000 description 2
- JVYROUWXXSWCMI-UHFFFAOYSA-N 2-bromo-1,1-difluoroethane Chemical compound FC(F)CBr JVYROUWXXSWCMI-UHFFFAOYSA-N 0.000 description 2
- XSJVWZAETSBXKU-UHFFFAOYSA-N 2-ethoxypropane Chemical compound CCOC(C)C XSJVWZAETSBXKU-UHFFFAOYSA-N 0.000 description 2
- BSKHPKMHTQYZBB-UHFFFAOYSA-N 2-methylpyridine Chemical compound CC1=CC=CC=N1 BSKHPKMHTQYZBB-UHFFFAOYSA-N 0.000 description 2
- JWUJQDFVADABEY-UHFFFAOYSA-N 2-methyltetrahydrofuran Chemical compound CC1CCCO1 JWUJQDFVADABEY-UHFFFAOYSA-N 0.000 description 2
- ITQTTZVARXURQS-UHFFFAOYSA-N 3-methylpyridine Chemical compound CC1=CC=CN=C1 ITQTTZVARXURQS-UHFFFAOYSA-N 0.000 description 2
- OSWFIVFLDKOXQC-UHFFFAOYSA-N 4-(3-methoxyphenyl)aniline Chemical compound COC1=CC=CC(C=2C=CC(N)=CC=2)=C1 OSWFIVFLDKOXQC-UHFFFAOYSA-N 0.000 description 2
- VHYFNPMBLIVWCW-UHFFFAOYSA-N 4-Dimethylaminopyridine Chemical compound CN(C)C1=CC=NC=C1 VHYFNPMBLIVWCW-UHFFFAOYSA-N 0.000 description 2
- FKNQCJSGGFJEIZ-UHFFFAOYSA-N 4-methylpyridine Chemical compound CC1=CC=NC=C1 FKNQCJSGGFJEIZ-UHFFFAOYSA-N 0.000 description 2
- NTSLROIKFLNUIJ-UHFFFAOYSA-N 5-Ethyl-2-methylpyridine Chemical compound CCC1=CC=C(C)N=C1 NTSLROIKFLNUIJ-UHFFFAOYSA-N 0.000 description 2
- KZMGYPLQYOPHEL-UHFFFAOYSA-N Boron trifluoride etherate Chemical compound FB(F)F.CCOCC KZMGYPLQYOPHEL-UHFFFAOYSA-N 0.000 description 2
- FERIUCNNQQJTOY-UHFFFAOYSA-N Butyric acid Chemical compound CCCC(O)=O FERIUCNNQQJTOY-UHFFFAOYSA-N 0.000 description 2
- VTYYLEPIZMXCLO-UHFFFAOYSA-L Calcium carbonate Chemical compound [Ca+2].[O-]C([O-])=O VTYYLEPIZMXCLO-UHFFFAOYSA-L 0.000 description 2
- XDTMQSROBMDMFD-UHFFFAOYSA-N Cyclohexane Chemical compound C1CCCCC1 XDTMQSROBMDMFD-UHFFFAOYSA-N 0.000 description 2
- AQZGPSLYZOOYQP-UHFFFAOYSA-N Diisoamyl ether Chemical compound CC(C)CCOCCC(C)C AQZGPSLYZOOYQP-UHFFFAOYSA-N 0.000 description 2
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- 125000003136 n-heptyl group Chemical group [H]C([H])([H])C([H])([H])C([H])([H])C([H])([H])C([H])([H])C([H])([H])C([H])([H])* 0.000 description 1
- 125000001280 n-hexyl group Chemical group C(CCCCC)* 0.000 description 1
- 125000000740 n-pentyl group Chemical group [H]C([H])([H])C([H])([H])C([H])([H])C([H])([H])C([H])([H])* 0.000 description 1
- 229910052759 nickel Inorganic materials 0.000 description 1
- 150000002825 nitriles Chemical class 0.000 description 1
- QJGQUHMNIGDVPM-UHFFFAOYSA-N nitrogen group Chemical group [N] QJGQUHMNIGDVPM-UHFFFAOYSA-N 0.000 description 1
- 235000005985 organic acids Nutrition 0.000 description 1
- 229910052762 osmium Inorganic materials 0.000 description 1
- SYQBFIAQOQZEGI-UHFFFAOYSA-N osmium atom Chemical compound [Os] SYQBFIAQOQZEGI-UHFFFAOYSA-N 0.000 description 1
- 235000006408 oxalic acid Nutrition 0.000 description 1
- TWNQGVIAIRXVLR-UHFFFAOYSA-N oxo(oxoalumanyloxy)alumane Chemical compound O=[Al]O[Al]=O TWNQGVIAIRXVLR-UHFFFAOYSA-N 0.000 description 1
- RVTZCBVAJQQJTK-UHFFFAOYSA-N oxygen(2-);zirconium(4+) Chemical compound [O-2].[O-2].[Zr+4] RVTZCBVAJQQJTK-UHFFFAOYSA-N 0.000 description 1
- NXJCBFBQEVOTOW-UHFFFAOYSA-L palladium(2+);dihydroxide Chemical compound O[Pd]O NXJCBFBQEVOTOW-UHFFFAOYSA-L 0.000 description 1
- 238000005191 phase separation Methods 0.000 description 1
- 239000011736 potassium bicarbonate Substances 0.000 description 1
- 235000015497 potassium bicarbonate Nutrition 0.000 description 1
- 229910000028 potassium bicarbonate Inorganic materials 0.000 description 1
- 229910000027 potassium carbonate Inorganic materials 0.000 description 1
- 235000011181 potassium carbonates Nutrition 0.000 description 1
- TYJJADVDDVDEDZ-UHFFFAOYSA-M potassium hydrogencarbonate Chemical compound [K+].OC([O-])=O TYJJADVDDVDEDZ-UHFFFAOYSA-M 0.000 description 1
- 239000000047 product Substances 0.000 description 1
- 230000001737 promoting effect Effects 0.000 description 1
- 235000019260 propionic acid Nutrition 0.000 description 1
- FVSKHRXBFJPNKK-UHFFFAOYSA-N propionitrile Chemical compound CCC#N FVSKHRXBFJPNKK-UHFFFAOYSA-N 0.000 description 1
- 238000000746 purification Methods 0.000 description 1
- UMJSCPRVCHMLSP-UHFFFAOYSA-N pyridine Natural products COC1=CC=CN=C1 UMJSCPRVCHMLSP-UHFFFAOYSA-N 0.000 description 1
- 150000003222 pyridines Chemical class 0.000 description 1
- IUVKMZGDUIUOCP-BTNSXGMBSA-N quinbolone Chemical compound O([C@H]1CC[C@H]2[C@H]3[C@@H]([C@]4(C=CC(=O)C=C4CC3)C)CC[C@@]21C)C1=CCCC1 IUVKMZGDUIUOCP-BTNSXGMBSA-N 0.000 description 1
- 150000003248 quinolines Chemical class 0.000 description 1
- 230000009467 reduction Effects 0.000 description 1
- 125000002914 sec-butyl group Chemical group [H]C([H])([H])C([H])([H])C([H])(*)C([H])([H])[H] 0.000 description 1
- 238000000926 separation method Methods 0.000 description 1
- 238000007086 side reaction Methods 0.000 description 1
- 239000000377 silicon dioxide Substances 0.000 description 1
- 235000012239 silicon dioxide Nutrition 0.000 description 1
- 239000001632 sodium acetate Substances 0.000 description 1
- 235000017281 sodium acetate Nutrition 0.000 description 1
- 229910000029 sodium carbonate Inorganic materials 0.000 description 1
- 235000017550 sodium carbonate Nutrition 0.000 description 1
- 235000015096 spirit Nutrition 0.000 description 1
- 125000001424 substituent group Chemical group 0.000 description 1
- HXJUTPCZVOIRIF-UHFFFAOYSA-N sulfolane Chemical compound O=S1(=O)CCCC1 HXJUTPCZVOIRIF-UHFFFAOYSA-N 0.000 description 1
- 150000003457 sulfones Chemical class 0.000 description 1
- 150000003458 sulfonic acid derivatives Chemical class 0.000 description 1
- GFYHSKONPJXCDE-UHFFFAOYSA-N sym-collidine Natural products CC1=CN=C(C)C(C)=C1 GFYHSKONPJXCDE-UHFFFAOYSA-N 0.000 description 1
- 125000000999 tert-butyl group Chemical group [H]C([H])([H])C(*)(C([H])([H])[H])C([H])([H])[H] 0.000 description 1
- 150000003512 tertiary amines Chemical class 0.000 description 1
- JRMUNVKIHCOMHV-UHFFFAOYSA-M tetrabutylammonium bromide Chemical compound [Br-].CCCC[N+](CCCC)(CCCC)CCCC JRMUNVKIHCOMHV-UHFFFAOYSA-M 0.000 description 1
- RKHXQBLJXBGEKF-UHFFFAOYSA-M tetrabutylphosphanium;bromide Chemical compound [Br-].CCCC[P+](CCCC)(CCCC)CCCC RKHXQBLJXBGEKF-UHFFFAOYSA-M 0.000 description 1
- UQFSVBXCNGCBBW-UHFFFAOYSA-M tetraethylammonium iodide Chemical compound [I-].CC[N+](CC)(CC)CC UQFSVBXCNGCBBW-UHFFFAOYSA-M 0.000 description 1
- NSKNBWRGASENRY-UHFFFAOYSA-M tetrakis(dimethylamino)phosphanium;bromide Chemical compound [Br-].CN(C)[P+](N(C)C)(N(C)C)N(C)C NSKNBWRGASENRY-UHFFFAOYSA-M 0.000 description 1
- QVBRLOSUBRKEJW-UHFFFAOYSA-M tetraoctylphosphanium;bromide Chemical compound [Br-].CCCCCCCC[P+](CCCCCCCC)(CCCCCCCC)CCCCCCCC QVBRLOSUBRKEJW-UHFFFAOYSA-M 0.000 description 1
- WAGFXJQAIZNSEQ-UHFFFAOYSA-M tetraphenylphosphonium chloride Chemical compound [Cl-].C1=CC=CC=C1[P+](C=1C=CC=CC=1)(C=1C=CC=CC=1)C1=CC=CC=C1 WAGFXJQAIZNSEQ-UHFFFAOYSA-M 0.000 description 1
- BUGOPWGPQGYYGR-UHFFFAOYSA-N thiane 1,1-dioxide Chemical compound O=S1(=O)CCCCC1 BUGOPWGPQGYYGR-UHFFFAOYSA-N 0.000 description 1
- 239000004408 titanium dioxide Substances 0.000 description 1
- RYVBINGWVJJDPU-UHFFFAOYSA-M tributyl(hexadecyl)phosphanium;bromide Chemical compound [Br-].CCCCCCCCCCCCCCCC[P+](CCCC)(CCCC)CCCC RYVBINGWVJJDPU-UHFFFAOYSA-M 0.000 description 1
- SQJHGFAFGULDEC-UHFFFAOYSA-M tributyl(octadecyl)phosphanium;bromide Chemical compound [Br-].CCCCCCCCCCCCCCCCCC[P+](CCCC)(CCCC)CCCC SQJHGFAFGULDEC-UHFFFAOYSA-M 0.000 description 1
- IMFACGCPASFAPR-UHFFFAOYSA-N tributylamine Chemical compound CCCCN(CCCC)CCCC IMFACGCPASFAPR-UHFFFAOYSA-N 0.000 description 1
- 150000003628 tricarboxylic acids Chemical class 0.000 description 1
- ITMCEJHCFYSIIV-UHFFFAOYSA-N triflic acid Chemical compound OS(=O)(=O)C(F)(F)F ITMCEJHCFYSIIV-UHFFFAOYSA-N 0.000 description 1
- SMBZJSVIKJMSFP-UHFFFAOYSA-N trifluoromethyl hypofluorite Chemical compound FOC(F)(F)F SMBZJSVIKJMSFP-UHFFFAOYSA-N 0.000 description 1
- YFTHZRPMJXBUME-UHFFFAOYSA-N tripropylamine Chemical compound CCCN(CCC)CCC YFTHZRPMJXBUME-UHFFFAOYSA-N 0.000 description 1
- 238000005292 vacuum distillation Methods 0.000 description 1
- GKIRPKYJQBWNGO-QPLCGJKRSA-N zuclomifene Chemical compound C1=CC(OCCN(CC)CC)=CC=C1C(\C=1C=CC=CC=1)=C(/Cl)C1=CC=CC=C1 GKIRPKYJQBWNGO-QPLCGJKRSA-N 0.000 description 1
Classifications
-
- C—CHEMISTRY; METALLURGY
- C07—ORGANIC CHEMISTRY
- C07C—ACYCLIC OR CARBOCYCLIC COMPOUNDS
- C07C209/00—Preparation of compounds containing amino groups bound to a carbon skeleton
- C07C209/04—Preparation of compounds containing amino groups bound to a carbon skeleton by substitution of functional groups by amino groups
- C07C209/06—Preparation of compounds containing amino groups bound to a carbon skeleton by substitution of functional groups by amino groups by substitution of halogen atoms
- C07C209/08—Preparation of compounds containing amino groups bound to a carbon skeleton by substitution of functional groups by amino groups by substitution of halogen atoms with formation of amino groups bound to acyclic carbon atoms or to carbon atoms of rings other than six-membered aromatic rings
-
- C—CHEMISTRY; METALLURGY
- C07—ORGANIC CHEMISTRY
- C07C—ACYCLIC OR CARBOCYCLIC COMPOUNDS
- C07C209/00—Preparation of compounds containing amino groups bound to a carbon skeleton
- C07C209/62—Preparation of compounds containing amino groups bound to a carbon skeleton by cleaving carbon-to-nitrogen, sulfur-to-nitrogen, or phosphorus-to-nitrogen bonds, e.g. hydrolysis of amides, N-dealkylation of amines or quaternary ammonium compounds
-
- C—CHEMISTRY; METALLURGY
- C07—ORGANIC CHEMISTRY
- C07C—ACYCLIC OR CARBOCYCLIC COMPOUNDS
- C07C211/00—Compounds containing amino groups bound to a carbon skeleton
- C07C211/01—Compounds containing amino groups bound to a carbon skeleton having amino groups bound to acyclic carbon atoms
- C07C211/02—Compounds containing amino groups bound to a carbon skeleton having amino groups bound to acyclic carbon atoms of an acyclic saturated carbon skeleton
- C07C211/15—Compounds containing amino groups bound to a carbon skeleton having amino groups bound to acyclic carbon atoms of an acyclic saturated carbon skeleton the carbon skeleton being further substituted by halogen atoms or by nitro or nitroso groups
-
- C—CHEMISTRY; METALLURGY
- C07—ORGANIC CHEMISTRY
- C07C—ACYCLIC OR CARBOCYCLIC COMPOUNDS
- C07C211/00—Compounds containing amino groups bound to a carbon skeleton
- C07C211/01—Compounds containing amino groups bound to a carbon skeleton having amino groups bound to acyclic carbon atoms
- C07C211/26—Compounds containing amino groups bound to a carbon skeleton having amino groups bound to acyclic carbon atoms of an unsaturated carbon skeleton containing at least one six-membered aromatic ring
- C07C211/27—Compounds containing amino groups bound to a carbon skeleton having amino groups bound to acyclic carbon atoms of an unsaturated carbon skeleton containing at least one six-membered aromatic ring having amino groups linked to the six-membered aromatic ring by saturated carbon chains
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- Chemical & Material Sciences (AREA)
- Organic Chemistry (AREA)
- Organic Low-Molecular-Weight Compounds And Preparation Thereof (AREA)
- Low-Molecular Organic Synthesis Reactions Using Catalysts (AREA)
Abstract
【化1】
Description
で表される2,2−ジフルオロ−1−ハロエタンを、酸捕捉剤(即ち、酸を不活性化する(中和する)ことが可能な化合物)の存在下で、式(III)
R1は、水素又はC1−C12−アルキルであり;好ましくは、R1は、水素又はC1−C6−アルキルであり;及び、
R2は、水素、ハロゲン、C1−C12−アルキル又はC1−C6−アルコキシであり;好ましくは、R2は、水素、フッ素、塩素、C1−C6−アルキル又はC1−C3−アルコキシ(特に、メトキシ)である〕
で表されるベンジルアミン化合物と反応させて、式(IV)
で表されるN−ベンジル−2,2−ジフルオロエタンアミン化合物を生成させる段階;
及び、
段階(ii): 段階(i)で得られた式(IV)で表されるN−ベンジル−2,2−ジフルオロエタンアミン化合物を接触水素化に付して、式(I)で表される2,2−ジフルオロエチルアミン又はその塩を得る段階;
を含んでいる。
(a) R1は、水素、メチル、エチル、n−プロピル及びイソプロピルからなる群から選択され、並びに、R2は、水素、メチル、塩素及びメトキシからなる群から選択される;又は、
(b) R1は、水素及びメチルからなる群から選択され、並びに、R2は、水素、メチル及び塩素からなる群から選択される;又は、
(c) R1及びR2は、それぞれ、水素である〕
で表されるベンジルアミン化合物を使用する。
水、エーテル類(例えば、エチルプロピルエーテル、メチルtert−ブチルエーテル、n−ブチルエーテル、アニソール、フェネトール、シクロヘキシルメチルエーテル、ジメチルエーテル、ジエチルエーテル、ジメチルグリコール、ジフェニルエーテル、ジプロピルエーテル、ジイソプロピルエーテル、ジ−n−ブチルエーテル、ジイソブチルエーテル、ジイソアミルエーテル、エチレングリコールジメチルエーテル、イソプロピルエチルエーテル、ジエチレングリコールジメチルエーテル、トリエチレングリコールジメチルエーテル、テトラヒドロフラン、2−メチルテトラヒドロフラン、ジオキサン、並びに、エチレンオキシド及び/又はプロピレンオキシドポリエーテル類);脂肪族炭化水素類、シクロ脂肪族炭化水素類又は芳香族炭化水素類(例えば、ペンタン、ヘキサン、ヘプタン、オクタン、ノナン、例えば、沸点が例えば40℃〜250℃の範囲内にある成分を含んでいるホワイトスピリット、シメン、沸点間隔(boiling point interval)が70℃〜190℃の範囲内にあるベンジンフラクション、シクロヘキサン、メチルシクロヘキサン、石油エーテル、リグロイン、オクタン、ベンゼン、トルエン又はキシレン);直鎖カルボン酸及び分枝鎖カルボン酸(例えば、ギ酸、酢酸、プロピオン酸、酪酸及びイソ酪酸)及びそれらのエステル類(例えば、酢酸エチル及び酢酸ブチル)、アルコール類(例えば、メタノール、エタノール、イソプロパノール、n−ブタノール及びイソブタノール)、又は、それらの混合物。
実施例1: N−ベンジル−2,2−ジフルオロエタンアミンの調製(段階(i))
1152g(11.1mol)の量の2,2−ジフルオロ−1−クロロエタン及び403gのベンジルアミン(3.695mol)を、オートクレーブ内で、120℃の内部温度で16時間加熱する。次いで、700gの水を添加し、水相を分離させる。その水相はベンジルアミン塩酸塩を含んでおり、このベンジルアミン塩酸塩は、水酸化ナトリウム溶液を添加することにより変換して遊離ベンジルアミンに戻す。該有機相を、最初に、標準圧力下で蒸留し、未反応の2,2−ジフルオロ−1−クロロエタンを留去する。次いで、減圧蒸留(約200mbar)を再度実施して、残留している微量の2,2−ジフルオロ−1−クロロエタンを留去する。306gの量のN−ベンジル−2,2−ジフルオロエタンアミンが、蒸留残渣として、98.9%の純度で得られる。これは、反応させたベンジルアミンに基づいて、95.6%の収率に相当する。新たな蒸留によって、N−ベンジル−2,2−ジフルオロエタンアミンを99%を超える純度で得ることも可能である。
1H NMR(CDCl3):7.24−7.35(m,5H),5.84(tt,1H),3.84(s,2H),2.95(dt,2H)。
62gのN−メチルピロリドンの中の2g(20mmol)の量の2,2−ジフルオロ−1−クロロエタン及び4.5g(41mmol)のベンジルアミンを、オートクレーブ内で、120℃の内部温度で16時間加熱する。次いで、50gの1N塩酸を添加し、溶媒を減圧下に除去する。その残渣を取って50mLの水と50mLのジクロロメタンの中に入れ、固体炭酸水素ナトリウムを用いてpHを8に調節する。次いで、相を分離させ、その水相を20mLのジクロロメタンで再度抽出する。その有機相を蒸留する。2.4gの量のN−ベンジル−2,2−ジフルオロエタンアミンが得られる。これは、使用した2,2−ジフルオロ−1−クロロエタンに基づいて、66.2%の収率に相当する。
1H NMR(CDCl3):7.24−7.35(m,5H),5.84(tt,1H),3.84(s,2H),2.95(dt,2H)。
5g(49.7mmol)の量の2,2−ジフルオロ−1−クロロエタン及び11.3g(105mmol)のベンジルアミンを、オートクレーブ内で、120℃の内部温度で16時間加熱する。次いで、100gの1N塩酸を添加し、溶媒を減圧下に除去する。その残渣を取って50mLの水と50mLのジクロロメタンの中に入れ、固体炭酸水素ナトリウムを用いてpHを8に調節する。次いで、相を分離させ、その水相を20mLのジクロロメタンで再度抽出する。その有機相を蒸留する。3.5gの量のN−ベンジル−2,2−ジフルオロエタンアミンが得られる。これは、使用した2,2−ジフルオロ−1−クロロエタンに基づいて、41%の収率に相当する。
1H NMR(CDCl3):7.24−7.35(m,5H),5.84(tt,1H),3.84(s,2H),2.95(dt,2H)。
18.7gのN,N−ジメチルアセトアミドの中の10g(92mmol)の量の2,2−ジフルオロ−1−クロロエタン、5g(46mmol)のベンジルアミン及び5.2g(51mmol)のトリエチルアミンを、オートクレーブ内で、120℃の内部温度で6時間加熱する。次いで、100gの1N塩酸を添加し、溶媒を減圧下に除去する。その残渣を取って30mLのジクロロメタンの中に入れ、固体炭酸水素ナトリウムを用いてpHを8に調節する。次いで、相を分離させ、その水相を20mLのジクロロメタンで再度抽出する。その有機相を蒸留する。7.1gの量のN−ベンジル−2,2−ジフルオロエタンアミンが得られる。これは、ベンジルアミンに基づいて、90%の収率に相当する。
20.6gのN−メチルピロリドンの中の10g(92mmol)の量の2,2−ジフルオロ−1−クロロエタン、5g(46mmol)のベンジルアミン及び5.2g(51mmol)のトリエチルアミンを、オートクレーブ内で、120℃の内部温度で6時間加熱する。次いで、100gの1N塩酸を添加し、溶媒を減圧下に除去する。その残渣を取って30mLのジクロロメタンの中に入れ、固体炭酸水素ナトリウムを用いてpHを8に調節する。次いで、相を分離させ、その水相を20mLのジクロロメタンで再度抽出する。その有機相を蒸留する。7.3gの量のN−ベンジル−2,2−ジフルオロエタンアミンが得られる。これは、ベンジルアミンに基づいて、93%の収率に相当する。
1H NMR(CDCl3):7.24−7.35(m,5H),5.84(tt,1H),3.84(s,2H),2.95(dt,2H)。
20.6gのN−メチルピロリドンの中の10g(92mmol)の量の2,2−ジフルオロ−1−クロロエタン、5g(46mmol)のベンジルアミン、1gの臭化カリウム及び5.2g(51mmol)のトリエチルアミンを、オートクレーブ内で、120℃の内部温度で6時間加熱する。次いで、100gの1N塩酸を添加し、溶媒を減圧下に除去する。その残渣を取って30mLのジクロロメタンの中に入れ、固体炭酸水素ナトリウムを用いてpHを8に調節する。次いで、相を分離させ、その水相を20mLのジクロロメタンで再度抽出する。その有機相を蒸留する。7.4gの量のN−ベンジル−2,2−ジフルオロエタンアミンが得られる。これは、ベンジルアミンに基づいて、94%の収率に相当する。
1H NMR(CDCl3):7.24−7.35(m,5H),5.84(tt,1H),3.84(s,2H),2.95(dt,2H)。
実施例1.6と同様に実施する。1gの臭化カリウムの代わりに、1.5gのヨウ化カリウムを使用する。N−ベンジル−2,2−ジフルオロエタンアミンが、ベンジルアミンに基づいて、95%の収率で得られる。
1H NMR(CDCl3):7.24−7.35(m,5H),5.84(tt,1H),3.84(s,2H),2.95(dt,2H)。
20gの水の中の10g(92mmol)の量の2,2−ジフルオロ−1−クロロエタン、5g(46mmol)のベンジルアミン及び5.2g(51mmol)のトリエチルアミンを、オートクレーブ内で、120℃の内部温度で6時間加熱する。その二相溶液を毎回50mLのジクロロメタンで2回抽出する。その有機相を合して50mLの水で洗浄し、次いで、蒸留する。5.2gの量のN−ベンジル−2,2−ジフルオロエタンアミンが得られる。これは、ベンジルアミンに基づいて、66%の収率に相当する。
1H NMR(CDCl3):7.24−7.35(m,5H),5.84(tt,1H),3.84(s,2H),2.95(dt,2H)。
実施例1.5と同様に実施する。当該反応混合物は、140℃の内部温度で6時間加熱する。N−ベンジル−2,2−ジフルオロエタンアミンが、ベンジルアミンに基づいて、83%の収率で得られる。
1H NMR(CDCl3):7.24−7.35(m,5H),5.84(tt,1H),3.84(s,2H),2.95(dt,2H)。
1H NMR(CDCl3):7.25−7.37(m,5H),5.73(tt,2H),3.86(s,2H),3.0(dt,4H)。
768.1g(7.39mol)の量の2,2−ジフルオロ−1−クロロエタン及び400gのベンジルアミン(3.695mol)を、オートクレーブ内で、120℃の内部温度で16時間加熱する。次いで、700gの水を添加し、水相を分離させる。その有機相を標準圧力下で蒸留し、過剰の2,2−ジフルオロ−1−クロロエタンを留去する。残留している微量の2,2−ジフルオロ−1−クロロエタンを減圧下(200mbar)で留去する。304gの量のN−ベンジル−2,2−ジフルオロエタンアミンが、残渣として、97.2%の純度で得られる。これは、反応させたベンジルアミンに基づいて、93.4%の収率に相当する。水相中に存在しているベンジルアミン塩酸塩は、水酸化ナトリウム溶液を添加することにより再遊離させることが可能であり、そして、再度使用することができる。
1H NMR(CDCl3):7.24−7.35(m,5H),5.84(tt,1H),3.84(s,2H),2.95(dt,2H)。
757.9g(7.39mol)の量の2,2−ジフルオロ−1−クロロエタン及び800gのベンジルアミン(7.39mol)を、オートクレーブ内で、120℃の内部温度で16時間加熱する。次いで、1400gの水を添加し、水相を分離させる。その有機相を標準圧力下で蒸留し、過剰の2,2−ジフルオロ−1−クロロエタンを留去する。残留している微量の2,2−ジフルオロ−1−クロロエタンを減圧下(200mbar)で留去する。587gの量のN−ベンジル−2,2−ジフルオロエタンアミンが、残渣として、97.4%の純度で得られる。これは、反応させたベンジルアミンに基づいて、93.4%の収率に相当する。水相中に存在しているベンジルアミン塩酸塩は、水酸化ナトリウム溶液を添加することにより再遊離させることが可能であり、そして、再度使用することができる。さらに21gのN−ベンジル−2,2−ジフルオロエタンアミンが水相注に存在しており、その結果、収率は96%まで上昇する。
1H NMR(CDCl3):7.24−7.35(m,5H),5.84(tt,1H),3.84(s,2H),2.95(dt,2H)。
1H NMR(CDCl3):7.18(d,2H),7.13(d,2H),5.82(tt,1H),3.78(s,2H),2.93(dt,2H),2.32(s,3H)。
1H NMR(CDCl3):7.24−7.3(m,4H),5.84(tt,1H),3.81(s,2H),2.94(dt,2H)。
1H NMR(CDCl3):7.22(m,2H),6.87(m,2H),5.83(tt,1H),3.79(s,3H),3.77(2H),2.94(dt,2H)。
280g(1.62mol)の量の2,2−ジフルオロエチルベンジルアミンを1260mLのトルエンに溶解させ、7.0gの活性炭担持5%パラジウム(水で湿らせてある;約52重量%水)を添加する。不活性にした後、6barの水素を加え、その混合物を80℃で10時間加熱する。触媒を濾過した後、2,2−ジフルオロエチルアミンを蒸留する。109.8gの量の2,2−ジフルオロエチルアミンが得られる。これは、使用した2,2−ジフルオロエチルベンジルアミンに基づいて、84%の収率に相当する。
1Н NMR(CDCl3):5.5−5.9(m,1H),2.94−3.1(m,2H),1.26(br m,NH2)。
Claims (15)
- 式(I)
段階(i): 式(II)
〔ここで、
式(II)において、
Halは、塩素、臭素又はヨウ素である;
並びに、式(III)及び式(IV)において、
R1は、水素又はC1−C12−アルキルであり;及び、
R2は、水素、ハロゲン、C1−C12−アルキル又はC1−C6−アルコキシである〕;
及び、
段階(ii): 段階(i)で得られた式(IV)で表されるN−ベンジル−2,2−ジフルオロエタンアミン化合物を接触水素化に付し、それによって、式(I)で表される2,2−ジフルオロエチルアミン又はその塩を得る段階;
を含む、前記調製方法。 - 使用されるベンジルアミン化合物の一部分を酸捕捉剤として作用させ、一方、式(III)で表されるベンジルアミン化合物の残りの部分を反応させる、請求項1に記載の調製方法。
- 段階(i)において、酸捕捉剤として、有機塩基又は無機塩基を使用する、請求項1に記載の調製方法。
- 段階(i)において、使用される式(II)で表される2,2−ジフルオロハロエタンのモル量が酸捕捉剤及び反応させる式(III)で表されるベンジルアミン化合物のモル量よりも大きい、請求項2又は3に記載の調製方法。
- 段階(i)を溶媒無しで実施する、請求項1〜4の1項に記載の調製方法。
- 段階(i)を、アルカリ金属の臭化物及びヨウ化物、臭化アンモニウム、ヨウ化アンモニウム、臭化テトラアルキルアンモニウム、ヨウ化テトラアルキルアンモニウム、ハロゲン化テトラアルキルホスホニウム、ハロゲン化テトラアリールホスホニウム、テトラキス(ジメチルアミノ)ホスホニウムブロミド、テトラキス(ジエチルアミノ)ホスホニウムブロミド、テトラキス(ジプロピルアミノ)ホスホニウムクロリド、テトラキス(ジプロピルアミノ)ホスホニウムクロリド、テトラキス(ジプロピルアミノ)ホスホニウムブロミド、ビス(ジメチルアミノ)[(1,3−ジメチルイミダゾリジン−2−イリデン)アミノ]メチリウムブロミド又はそれらの混合物から選択される触媒の存在下で実施する、請求項1〜5の1項に記載の調製方法。
- 式(III)及び式(IV)において、R1及びR2がそれぞれ水素であり、並びに、式(II)において、Halが塩素である、請求項1〜6の1項に記載の調製方法。
- 式(III)及び式(IV)において、
R1が、水素又はC1−C6−アルキルであり;及び、
R2が、水素、フッ素、塩素、臭素若しくはヨウ素、C1−C6−アルキル、又は、C1−C3−アルコキシ若しくはメトキシである;
請求項8に記載の調製方法。 - 式(III)及び式(IV)において、R1及びR2がそれぞれ水素であり、並びに、式(II)において、Halが塩素である、請求項8に記載の調製方法。
- 使用されるベンジルアミン化合物の一部分を酸捕捉剤として作用させ、一方、式(III)で表されるベンジルアミン化合物の残りの部分を反応させる、請求項8〜10の1項に記載の調製方法。
- 酸捕捉剤として、有機塩基又は無機塩基を使用する、請求項8〜10の1項に記載の調製方法。
- 使用される式(II)で表される2,2−ジフルオロハロエタンのモル量が酸捕捉剤及び反応させる式(III)で表されるベンジルアミン化合物のモル量よりも大きい、請求項8〜12の1項に記載の調製方法。
- 溶媒無しで実施する、請求項8〜13の1項に記載の調製方法。
- 前記調製方法を、アルカリ金属の臭化物及びヨウ化物、臭化アンモニウム、ヨウ化アンモニウム、臭化テトラアルキルアンモニウム、ヨウ化テトラアルキルアンモニウム、ハロゲン化テトラアルキルホスホニウム、ハロゲン化テトラアリールホスホニウム、テトラキス(ジメチルアミノ)ホスホニウムブロミド、テトラキス(ジエチルアミノ)ホスホニウムブロミド、テトラキス(ジプロピルアミノ)ホスホニウムクロリド、テトラキス(ジプロピルアミノ)ホスホニウムクロリド、テトラキス(ジプロピルアミノ)ホスホニウムブロミド、ビス(ジメチルアミノ)[(1,3−ジメチルイミダゾリジン−2−イリデン)アミノ]メチリウムブロミド又はそれらの混合物から選択される触媒の存在下で実施する、請求項8〜14の1項に記載の調製方法。
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