JP2007506673A - ジフルオロアセト酢酸のアルキルエステルを調製するための方法 - Google Patents
ジフルオロアセト酢酸のアルキルエステルを調製するための方法 Download PDFInfo
- Publication number
- JP2007506673A JP2007506673A JP2006518011A JP2006518011A JP2007506673A JP 2007506673 A JP2007506673 A JP 2007506673A JP 2006518011 A JP2006518011 A JP 2006518011A JP 2006518011 A JP2006518011 A JP 2006518011A JP 2007506673 A JP2007506673 A JP 2007506673A
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- Prior art keywords
- alkyl
- structural formula
- formula
- acid
- ethyl
- Prior art date
- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
- Granted
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- 125000005907 alkyl ester group Chemical group 0.000 title claims description 12
- HQZSNVHMLLTTRA-UHFFFAOYSA-N 4,4-difluoro-3-oxobutanoic acid Chemical compound OC(=O)CC(=O)C(F)F HQZSNVHMLLTTRA-UHFFFAOYSA-N 0.000 title claims description 7
- 238000004519 manufacturing process Methods 0.000 title 1
- 238000000034 method Methods 0.000 claims abstract description 47
- 238000002360 preparation method Methods 0.000 claims abstract description 17
- 150000002081 enamines Chemical class 0.000 claims abstract description 12
- 229910052739 hydrogen Inorganic materials 0.000 claims abstract description 12
- 239000001257 hydrogen Substances 0.000 claims abstract description 12
- UFHFLCQGNIYNRP-UHFFFAOYSA-N Hydrogen Chemical compound [H][H] UFHFLCQGNIYNRP-UHFFFAOYSA-N 0.000 claims abstract description 9
- 239000002253 acid Substances 0.000 claims abstract description 9
- 125000005600 alkyl phosphonate group Chemical group 0.000 claims abstract description 9
- 150000001412 amines Chemical class 0.000 claims abstract description 7
- -1 alkyl 4-chloro-4,4-difluoroacetoacetate Chemical compound 0.000 claims description 37
- VEXZGXHMUGYJMC-UHFFFAOYSA-N Hydrochloric acid Chemical compound Cl VEXZGXHMUGYJMC-UHFFFAOYSA-N 0.000 claims description 14
- 150000001875 compounds Chemical class 0.000 claims description 13
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 claims description 12
- 125000001495 ethyl group Chemical group [H]C([H])([H])C([H])([H])* 0.000 claims description 11
- 125000002496 methyl group Chemical group [H]C([H])([H])* 0.000 claims description 11
- 125000001449 isopropyl group Chemical group [H]C([H])([H])C([H])(*)C([H])([H])[H] 0.000 claims description 10
- 125000000217 alkyl group Chemical group 0.000 claims description 9
- 239000003085 diluting agent Substances 0.000 claims description 9
- 125000000999 tert-butyl group Chemical group [H]C([H])([H])C(*)(C([H])([H])[H])C([H])([H])[H] 0.000 claims description 9
- NBIIXXVUZAFLBC-UHFFFAOYSA-N Phosphoric acid Chemical compound OP(O)(O)=O NBIIXXVUZAFLBC-UHFFFAOYSA-N 0.000 claims description 6
- OJMIONKXNSYLSR-UHFFFAOYSA-N phosphorous acid Chemical compound OP(O)O OJMIONKXNSYLSR-UHFFFAOYSA-N 0.000 claims description 5
- QAOWNCQODCNURD-UHFFFAOYSA-N Sulfuric acid Chemical compound OS(O)(=O)=O QAOWNCQODCNURD-UHFFFAOYSA-N 0.000 claims description 4
- BWAFLSFSMHXWMF-UHFFFAOYSA-N 4-chloro-4,4-difluoro-3-oxobutanoic acid Chemical compound OC(=O)CC(=O)C(F)(F)Cl BWAFLSFSMHXWMF-UHFFFAOYSA-N 0.000 claims description 3
- 229910000147 aluminium phosphate Inorganic materials 0.000 claims description 3
- 150000002431 hydrogen Chemical class 0.000 claims description 3
- 230000007062 hydrolysis Effects 0.000 claims description 2
- 238000006460 hydrolysis reaction Methods 0.000 claims description 2
- 239000007858 starting material Substances 0.000 claims description 2
- 238000006243 chemical reaction Methods 0.000 abstract description 16
- YMWUJEATGCHHMB-UHFFFAOYSA-N Dichloromethane Chemical compound ClCCl YMWUJEATGCHHMB-UHFFFAOYSA-N 0.000 description 16
- WEVYAHXRMPXWCK-UHFFFAOYSA-N Acetonitrile Chemical compound CC#N WEVYAHXRMPXWCK-UHFFFAOYSA-N 0.000 description 15
- FAPWRFPIFSIZLT-UHFFFAOYSA-M Sodium chloride Chemical compound [Na+].[Cl-] FAPWRFPIFSIZLT-UHFFFAOYSA-M 0.000 description 13
- RTZKZFJDLAIYFH-UHFFFAOYSA-N Diethyl ether Chemical compound CCOCC RTZKZFJDLAIYFH-UHFFFAOYSA-N 0.000 description 10
- UAOMVDZJSHZZME-UHFFFAOYSA-N diisopropylamine Chemical compound CC(C)NC(C)C UAOMVDZJSHZZME-UHFFFAOYSA-N 0.000 description 9
- 238000003756 stirring Methods 0.000 description 9
- BZLVMXJERCGZMT-UHFFFAOYSA-N Methyl tert-butyl ether Chemical compound COC(C)(C)C BZLVMXJERCGZMT-UHFFFAOYSA-N 0.000 description 8
- 238000004821 distillation Methods 0.000 description 8
- ZCSHNCUQKCANBX-UHFFFAOYSA-N lithium diisopropylamide Chemical compound [Li+].CC(C)[N-]C(C)C ZCSHNCUQKCANBX-UHFFFAOYSA-N 0.000 description 8
- VLKZOEOYAKHREP-UHFFFAOYSA-N n-Hexane Chemical compound CCCCCC VLKZOEOYAKHREP-UHFFFAOYSA-N 0.000 description 8
- 239000011541 reaction mixture Substances 0.000 description 8
- 239000012043 crude product Substances 0.000 description 7
- GVCAWQUJCHZRCB-UHFFFAOYSA-N ethyl 2-chloro-2,2-difluoroacetate Chemical compound CCOC(=O)C(F)(F)Cl GVCAWQUJCHZRCB-UHFFFAOYSA-N 0.000 description 7
- UHOVQNZJYSORNB-UHFFFAOYSA-N Benzene Chemical compound C1=CC=CC=C1 UHOVQNZJYSORNB-UHFFFAOYSA-N 0.000 description 6
- LFQSCWFLJHTTHZ-UHFFFAOYSA-N Ethanol Chemical compound CCO LFQSCWFLJHTTHZ-UHFFFAOYSA-N 0.000 description 6
- XEKOWRVHYACXOJ-UHFFFAOYSA-N Ethyl acetate Chemical compound CCOC(C)=O XEKOWRVHYACXOJ-UHFFFAOYSA-N 0.000 description 6
- ZMXDDKWLCZADIW-UHFFFAOYSA-N N,N-Dimethylformamide Chemical compound CN(C)C=O ZMXDDKWLCZADIW-UHFFFAOYSA-N 0.000 description 6
- UIIMBOGNXHQVGW-UHFFFAOYSA-M Sodium bicarbonate Chemical compound [Na+].OC([O-])=O UIIMBOGNXHQVGW-UHFFFAOYSA-M 0.000 description 6
- WYURNTSHIVDZCO-UHFFFAOYSA-N Tetrahydrofuran Chemical compound C1CCOC1 WYURNTSHIVDZCO-UHFFFAOYSA-N 0.000 description 6
- YXFVVABEGXRONW-UHFFFAOYSA-N Toluene Chemical compound CC1=CC=CC=C1 YXFVVABEGXRONW-UHFFFAOYSA-N 0.000 description 6
- JFDZBHWFFUWGJE-UHFFFAOYSA-N benzonitrile Chemical compound N#CC1=CC=CC=C1 JFDZBHWFFUWGJE-UHFFFAOYSA-N 0.000 description 6
- 239000000047 product Substances 0.000 description 6
- 239000011780 sodium chloride Substances 0.000 description 6
- PMZURENOXWZQFD-UHFFFAOYSA-L Sodium Sulfate Chemical compound [Na+].[Na+].[O-]S([O-])(=O)=O PMZURENOXWZQFD-UHFFFAOYSA-L 0.000 description 5
- UIYYAEPLUOQNOI-UHFFFAOYSA-N ethyl 3-[di(propan-2-yl)amino]-4,4-difluorobut-3-enoate Chemical compound CCOC(=O)CC(=C(F)F)N(C(C)C)C(C)C UIYYAEPLUOQNOI-UHFFFAOYSA-N 0.000 description 5
- ILOXLVPMINVBMG-UHFFFAOYSA-N ethyl 4-chloro-4,4-difluoro-3-oxobutanoate Chemical compound CCOC(=O)CC(=O)C(F)(F)Cl ILOXLVPMINVBMG-UHFFFAOYSA-N 0.000 description 5
- 239000012071 phase Substances 0.000 description 5
- 238000010992 reflux Methods 0.000 description 5
- 229910052938 sodium sulfate Inorganic materials 0.000 description 5
- 235000011152 sodium sulphate Nutrition 0.000 description 5
- 0 *OC(CC(C(F)(F)Cl)=O)=O Chemical compound *OC(CC(C(F)(F)Cl)=O)=O 0.000 description 4
- XTHFKEDIFFGKHM-UHFFFAOYSA-N Dimethoxyethane Chemical compound COCCOC XTHFKEDIFFGKHM-UHFFFAOYSA-N 0.000 description 4
- IAZDPXIOMUYVGZ-UHFFFAOYSA-N Dimethylsulphoxide Chemical compound CS(C)=O IAZDPXIOMUYVGZ-UHFFFAOYSA-N 0.000 description 4
- KFZMGEQAYNKOFK-UHFFFAOYSA-N Isopropanol Chemical compound CC(C)O KFZMGEQAYNKOFK-UHFFFAOYSA-N 0.000 description 4
- IMNFDUFMRHMDMM-UHFFFAOYSA-N N-Heptane Chemical compound CCCCCCC IMNFDUFMRHMDMM-UHFFFAOYSA-N 0.000 description 4
- 150000001408 amides Chemical class 0.000 description 4
- RDOXTESZEPMUJZ-UHFFFAOYSA-N anisole Chemical compound COC1=CC=CC=C1 RDOXTESZEPMUJZ-UHFFFAOYSA-N 0.000 description 4
- MVPPADPHJFYWMZ-UHFFFAOYSA-N chlorobenzene Chemical compound ClC1=CC=CC=C1 MVPPADPHJFYWMZ-UHFFFAOYSA-N 0.000 description 4
- NNBZCPXTIHJBJL-UHFFFAOYSA-N decalin Chemical compound C1CCCC2CCCCC21 NNBZCPXTIHJBJL-UHFFFAOYSA-N 0.000 description 4
- CBDPWKVOPADMJC-UHFFFAOYSA-N ethyl 4,4-difluoro-3-oxobutanoate Chemical compound CCOC(=O)CC(=O)C(F)F CBDPWKVOPADMJC-UHFFFAOYSA-N 0.000 description 4
- 239000012535 impurity Substances 0.000 description 4
- UAEPNZWRGJTJPN-UHFFFAOYSA-N methylcyclohexane Chemical compound CC1CCCCC1 UAEPNZWRGJTJPN-UHFFFAOYSA-N 0.000 description 4
- 238000012805 post-processing Methods 0.000 description 4
- 239000000376 reactant Substances 0.000 description 4
- 230000035484 reaction time Effects 0.000 description 4
- CTTXMUZEFPPHGD-UHFFFAOYSA-N 5-(difluoromethyl)-1-methylpyrazole-4-carboxylic acid Chemical compound CN1N=CC(C(O)=O)=C1C(F)F CTTXMUZEFPPHGD-UHFFFAOYSA-N 0.000 description 3
- WFDIJRYMOXRFFG-UHFFFAOYSA-N Acetic anhydride Chemical compound CC(=O)OC(C)=O WFDIJRYMOXRFFG-UHFFFAOYSA-N 0.000 description 3
- KEAYESYHFKHZAL-UHFFFAOYSA-N Sodium Chemical compound [Na] KEAYESYHFKHZAL-UHFFFAOYSA-N 0.000 description 3
- HEMHJVSKTPXQMS-UHFFFAOYSA-M Sodium hydroxide Chemical compound [OH-].[Na+] HEMHJVSKTPXQMS-UHFFFAOYSA-M 0.000 description 3
- 239000008346 aqueous phase Substances 0.000 description 3
- 239000002585 base Substances 0.000 description 3
- 229940043279 diisopropylamine Drugs 0.000 description 3
- GZKHDVAKKLTJPO-UHFFFAOYSA-N ethyl 2,2-difluoroacetate Chemical compound CCOC(=O)C(F)F GZKHDVAKKLTJPO-UHFFFAOYSA-N 0.000 description 3
- JFFDDZNQLGYZPR-UHFFFAOYSA-N ethyl 3-dimethoxyphosphoryloxy-4,4-difluorobut-3-enoate Chemical compound CCOC(=O)CC(=C(F)F)OP(=O)(OC)OC JFFDDZNQLGYZPR-UHFFFAOYSA-N 0.000 description 3
- 238000005259 measurement Methods 0.000 description 3
- 239000012074 organic phase Substances 0.000 description 3
- 239000012312 sodium hydride Substances 0.000 description 3
- 229910000104 sodium hydride Inorganic materials 0.000 description 3
- YLQBMQCUIZJEEH-UHFFFAOYSA-N tetrahydrofuran Natural products C=1C=COC=1 YLQBMQCUIZJEEH-UHFFFAOYSA-N 0.000 description 3
- LZDKZFUFMNSQCJ-UHFFFAOYSA-N 1,2-diethoxyethane Chemical compound CCOCCOCC LZDKZFUFMNSQCJ-UHFFFAOYSA-N 0.000 description 2
- RYHBNJHYFVUHQT-UHFFFAOYSA-N 1,4-Dioxane Chemical compound C1COCCO1 RYHBNJHYFVUHQT-UHFFFAOYSA-N 0.000 description 2
- OCJBOOLMMGQPQU-UHFFFAOYSA-N 1,4-dichlorobenzene Chemical compound ClC1=CC=C(Cl)C=C1 OCJBOOLMMGQPQU-UHFFFAOYSA-N 0.000 description 2
- OAWAZQITIZDJRB-UHFFFAOYSA-N 2-chloro-2,2-difluoroacetic acid Chemical compound OC(=O)C(F)(F)Cl OAWAZQITIZDJRB-UHFFFAOYSA-N 0.000 description 2
- WDJHALXBUFZDSR-UHFFFAOYSA-N Acetoacetic acid Natural products CC(=O)CC(O)=O WDJHALXBUFZDSR-UHFFFAOYSA-N 0.000 description 2
- XDTMQSROBMDMFD-UHFFFAOYSA-N Cyclohexane Chemical compound C1CCCCC1 XDTMQSROBMDMFD-UHFFFAOYSA-N 0.000 description 2
- ZAFNJMIOTHYJRJ-UHFFFAOYSA-N Diisopropyl ether Chemical compound CC(C)OC(C)C ZAFNJMIOTHYJRJ-UHFFFAOYSA-N 0.000 description 2
- FXHOOIRPVKKKFG-UHFFFAOYSA-N N,N-Dimethylacetamide Chemical compound CN(C)C(C)=O FXHOOIRPVKKKFG-UHFFFAOYSA-N 0.000 description 2
- MZRVEZGGRBJDDB-UHFFFAOYSA-N N-Butyllithium Chemical compound [Li]CCCC MZRVEZGGRBJDDB-UHFFFAOYSA-N 0.000 description 2
- SECXISVLQFMRJM-UHFFFAOYSA-N N-Methylpyrrolidone Chemical compound CN1CCCC1=O SECXISVLQFMRJM-UHFFFAOYSA-N 0.000 description 2
- CTQNGGLPUBDAKN-UHFFFAOYSA-N O-Xylene Chemical compound CC1=CC=CC=C1C CTQNGGLPUBDAKN-UHFFFAOYSA-N 0.000 description 2
- WQDUMFSSJAZKTM-UHFFFAOYSA-N Sodium methoxide Chemical compound [Na+].[O-]C WQDUMFSSJAZKTM-UHFFFAOYSA-N 0.000 description 2
- 238000005903 acid hydrolysis reaction Methods 0.000 description 2
- 125000001931 aliphatic group Chemical group 0.000 description 2
- 150000004945 aromatic hydrocarbons Chemical class 0.000 description 2
- KVNRLNFWIYMESJ-UHFFFAOYSA-N butyronitrile Chemical compound CCCC#N KVNRLNFWIYMESJ-UHFFFAOYSA-N 0.000 description 2
- 238000001816 cooling Methods 0.000 description 2
- WOWBFOBYOAGEEA-UHFFFAOYSA-N diafenthiuron Chemical compound CC(C)C1=C(NC(=S)NC(C)(C)C)C(C(C)C)=CC(OC=2C=CC=CC=2)=C1 WOWBFOBYOAGEEA-UHFFFAOYSA-N 0.000 description 2
- 229940117389 dichlorobenzene Drugs 0.000 description 2
- 150000002085 enols Chemical group 0.000 description 2
- 150000002148 esters Chemical class 0.000 description 2
- 125000004494 ethyl ester group Chemical group 0.000 description 2
- GNOIPBMMFNIUFM-UHFFFAOYSA-N hexamethylphosphoric triamide Chemical compound CN(C)P(=O)(N(C)C)N(C)C GNOIPBMMFNIUFM-UHFFFAOYSA-N 0.000 description 2
- 238000004128 high performance liquid chromatography Methods 0.000 description 2
- 150000004677 hydrates Chemical class 0.000 description 2
- LRDFRRGEGBBSRN-UHFFFAOYSA-N isobutyronitrile Chemical compound CC(C)C#N LRDFRRGEGBBSRN-UHFFFAOYSA-N 0.000 description 2
- 238000002955 isolation Methods 0.000 description 2
- 125000000468 ketone group Chemical group 0.000 description 2
- UZKWTJUDCOPSNM-UHFFFAOYSA-N methoxybenzene Substances CCCCOC=C UZKWTJUDCOPSNM-UHFFFAOYSA-N 0.000 description 2
- GYNNXHKOJHMOHS-UHFFFAOYSA-N methyl-cycloheptane Natural products CC1CCCCCC1 GYNNXHKOJHMOHS-UHFFFAOYSA-N 0.000 description 2
- 239000000203 mixture Substances 0.000 description 2
- HDZGCSFEDULWCS-UHFFFAOYSA-N monomethylhydrazine Chemical compound CNN HDZGCSFEDULWCS-UHFFFAOYSA-N 0.000 description 2
- 150000002825 nitriles Chemical class 0.000 description 2
- 239000003960 organic solvent Substances 0.000 description 2
- 239000003208 petroleum Substances 0.000 description 2
- FVSKHRXBFJPNKK-UHFFFAOYSA-N propionitrile Chemical compound CCC#N FVSKHRXBFJPNKK-UHFFFAOYSA-N 0.000 description 2
- 238000000746 purification Methods 0.000 description 2
- 235000017557 sodium bicarbonate Nutrition 0.000 description 2
- 229910000030 sodium bicarbonate Inorganic materials 0.000 description 2
- 239000002904 solvent Substances 0.000 description 2
- 239000000126 substance Substances 0.000 description 2
- HXJUTPCZVOIRIF-UHFFFAOYSA-N sulfolane Chemical compound O=S1(=O)CCCC1 HXJUTPCZVOIRIF-UHFFFAOYSA-N 0.000 description 2
- 150000003457 sulfones Chemical class 0.000 description 2
- 150000003462 sulfoxides Chemical class 0.000 description 2
- HVZJRWJGKQPSFL-UHFFFAOYSA-N tert-Amyl methyl ether Chemical compound CCC(C)(C)OC HVZJRWJGKQPSFL-UHFFFAOYSA-N 0.000 description 2
- YUKQRDCYNOVPGJ-UHFFFAOYSA-N thioacetamide Chemical compound CC(N)=S YUKQRDCYNOVPGJ-UHFFFAOYSA-N 0.000 description 2
- DLFVBJFMPXGRIB-UHFFFAOYSA-N thioacetamide Natural products CC(N)=O DLFVBJFMPXGRIB-UHFFFAOYSA-N 0.000 description 2
- JOXIMZWYDAKGHI-UHFFFAOYSA-N toluene-4-sulfonic acid Chemical compound CC1=CC=C(S(O)(=O)=O)C=C1 JOXIMZWYDAKGHI-UHFFFAOYSA-N 0.000 description 2
- CYTQBVOFDCPGCX-UHFFFAOYSA-N trimethyl phosphite Chemical compound COP(OC)OC CYTQBVOFDCPGCX-UHFFFAOYSA-N 0.000 description 2
- PXXNTAGJWPJAGM-UHFFFAOYSA-N vertaline Natural products C1C2C=3C=C(OC)C(OC)=CC=3OC(C=C3)=CC=C3CCC(=O)OC1CC1N2CCCC1 PXXNTAGJWPJAGM-UHFFFAOYSA-N 0.000 description 2
- 238000010626 work up procedure Methods 0.000 description 2
- 239000008096 xylene Substances 0.000 description 2
- SCYULBFZEHDVBN-UHFFFAOYSA-N 1,1-Dichloroethane Chemical compound CC(Cl)Cl SCYULBFZEHDVBN-UHFFFAOYSA-N 0.000 description 1
- OTTXCOAOKOEENK-UHFFFAOYSA-N 2,2-difluoroethenone Chemical group FC(F)=C=O OTTXCOAOKOEENK-UHFFFAOYSA-N 0.000 description 1
- RLOHOBNEYHBZID-UHFFFAOYSA-N 3-(difluoromethyl)-1-methylpyrazole-4-carboxylic acid Chemical compound CN1C=C(C(O)=O)C(C(F)F)=N1 RLOHOBNEYHBZID-UHFFFAOYSA-N 0.000 description 1
- GHTDNGQSPDVKQE-UHFFFAOYSA-N 4,4-difluoro-3-oxohexanoic acid Chemical compound CCC(F)(F)C(=O)CC(O)=O GHTDNGQSPDVKQE-UHFFFAOYSA-N 0.000 description 1
- YCKRFDGAMUMZLT-UHFFFAOYSA-N Fluorine atom Chemical compound [F] YCKRFDGAMUMZLT-UHFFFAOYSA-N 0.000 description 1
- 229930194542 Keto Natural products 0.000 description 1
- HCHKCACWOHOZIP-UHFFFAOYSA-N Zinc Chemical compound [Zn] HCHKCACWOHOZIP-UHFFFAOYSA-N 0.000 description 1
- 230000002378 acidificating effect Effects 0.000 description 1
- 229910000102 alkali metal hydride Inorganic materials 0.000 description 1
- 150000008046 alkali metal hydrides Chemical class 0.000 description 1
- 229910000095 alkaline earth hydride Inorganic materials 0.000 description 1
- 150000003863 ammonium salts Chemical class 0.000 description 1
- 230000000843 anti-fungal effect Effects 0.000 description 1
- 238000009835 boiling Methods 0.000 description 1
- 239000006227 byproduct Substances 0.000 description 1
- 125000004432 carbon atom Chemical group C* 0.000 description 1
- 230000015556 catabolic process Effects 0.000 description 1
- 239000007795 chemical reaction product Substances 0.000 description 1
- 238000002425 crystallisation Methods 0.000 description 1
- 230000008025 crystallization Effects 0.000 description 1
- 238000006731 degradation reaction Methods 0.000 description 1
- 150000005690 diesters Chemical class 0.000 description 1
- 238000001035 drying Methods 0.000 description 1
- 239000003480 eluent Substances 0.000 description 1
- KDVPGBVZKTVEIS-UHFFFAOYSA-N ethyl 2-(ethoxymethylidene)-4,4-difluoro-3-oxobutanoate Chemical compound CCOC=C(C(=O)C(F)F)C(=O)OCC KDVPGBVZKTVEIS-UHFFFAOYSA-N 0.000 description 1
- BUCVOFLZGVLNTN-UHFFFAOYSA-N ethyl 4-(difluoromethyl)-3-methyl-2h-1,3-thiazole-5-carboxylate Chemical compound CCOC(=O)C1=C(C(F)F)N(C)CS1 BUCVOFLZGVLNTN-UHFFFAOYSA-N 0.000 description 1
- XYIBRDXRRQCHLP-UHFFFAOYSA-N ethyl acetoacetate Chemical compound CCOC(=O)CC(C)=O XYIBRDXRRQCHLP-UHFFFAOYSA-N 0.000 description 1
- PQJJJMRNHATNKG-UHFFFAOYSA-N ethyl bromoacetate Chemical compound CCOC(=O)CBr PQJJJMRNHATNKG-UHFFFAOYSA-N 0.000 description 1
- 238000001704 evaporation Methods 0.000 description 1
- 230000008020 evaporation Effects 0.000 description 1
- 229910052731 fluorine Inorganic materials 0.000 description 1
- 239000011737 fluorine Substances 0.000 description 1
- 238000004508 fractional distillation Methods 0.000 description 1
- 239000007789 gas Substances 0.000 description 1
- 238000010438 heat treatment Methods 0.000 description 1
- 238000009776 industrial production Methods 0.000 description 1
- 150000007529 inorganic bases Chemical class 0.000 description 1
- 125000000959 isobutyl group Chemical group [H]C([H])([H])C([H])(C([H])([H])[H])C([H])([H])* 0.000 description 1
- 230000014759 maintenance of location Effects 0.000 description 1
- 125000004108 n-butyl group Chemical group [H]C([H])([H])C([H])([H])C([H])([H])C([H])([H])* 0.000 description 1
- 150000007530 organic bases Chemical class 0.000 description 1
- AQSJGOWTSHOLKH-UHFFFAOYSA-N phosphite(3-) Chemical class [O-]P([O-])[O-] AQSJGOWTSHOLKH-UHFFFAOYSA-N 0.000 description 1
- LPNYRYFBWFDTMA-UHFFFAOYSA-N potassium tert-butoxide Chemical compound [K+].CC(C)(C)[O-] LPNYRYFBWFDTMA-UHFFFAOYSA-N 0.000 description 1
- 239000002243 precursor Substances 0.000 description 1
- 238000007363 ring formation reaction Methods 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
- ODZPKZBBUMBTMG-UHFFFAOYSA-N sodium amide Chemical compound [NH2-].[Na+] ODZPKZBBUMBTMG-UHFFFAOYSA-N 0.000 description 1
- QDRKDTQENPPHOJ-UHFFFAOYSA-N sodium ethoxide Chemical compound [Na+].CC[O-] QDRKDTQENPPHOJ-UHFFFAOYSA-N 0.000 description 1
- 229940017704 sodium formaldehyde sulfoxylate dihydrate Drugs 0.000 description 1
- UCWBKJOCRGQBNW-UHFFFAOYSA-M sodium;hydroxymethanesulfinate;dihydrate Chemical compound O.O.[Na+].OCS([O-])=O UCWBKJOCRGQBNW-UHFFFAOYSA-M 0.000 description 1
- 230000009466 transformation Effects 0.000 description 1
- 229910052725 zinc Inorganic materials 0.000 description 1
- 239000011701 zinc Substances 0.000 description 1
Classifications
-
- C—CHEMISTRY; METALLURGY
- C07—ORGANIC CHEMISTRY
- C07F—ACYCLIC, CARBOCYCLIC OR HETEROCYCLIC COMPOUNDS CONTAINING ELEMENTS OTHER THAN CARBON, HYDROGEN, HALOGEN, OXYGEN, NITROGEN, SULFUR, SELENIUM OR TELLURIUM
- C07F9/00—Compounds containing elements of Groups 5 or 15 of the Periodic System
- C07F9/02—Phosphorus compounds
- C07F9/06—Phosphorus compounds without P—C bonds
- C07F9/08—Esters of oxyacids of phosphorus
- C07F9/09—Esters of phosphoric acids
- C07F9/113—Esters of phosphoric acids with unsaturated acyclic alcohols
-
- C—CHEMISTRY; METALLURGY
- C07—ORGANIC CHEMISTRY
- C07C—ACYCLIC OR CARBOCYCLIC COMPOUNDS
- C07C229/00—Compounds containing amino and carboxyl groups bound to the same carbon skeleton
- C07C229/02—Compounds containing amino and carboxyl groups bound to the same carbon skeleton having amino and carboxyl groups bound to acyclic carbon atoms of the same carbon skeleton
- C07C229/30—Compounds containing amino and carboxyl groups bound to the same carbon skeleton having amino and carboxyl groups bound to acyclic carbon atoms of the same carbon skeleton the carbon skeleton being acyclic and unsaturated
-
- C—CHEMISTRY; METALLURGY
- C07—ORGANIC CHEMISTRY
- C07C—ACYCLIC OR CARBOCYCLIC COMPOUNDS
- C07C67/00—Preparation of carboxylic acid esters
- C07C67/30—Preparation of carboxylic acid esters by modifying the acid moiety of the ester, such modification not being an introduction of an ester group
- C07C67/313—Preparation of carboxylic acid esters by modifying the acid moiety of the ester, such modification not being an introduction of an ester group by introduction of doubly bound oxygen containing functional groups, e.g. carboxyl groups
-
- C—CHEMISTRY; METALLURGY
- C07—ORGANIC CHEMISTRY
- C07C—ACYCLIC OR CARBOCYCLIC COMPOUNDS
- C07C67/00—Preparation of carboxylic acid esters
- C07C67/30—Preparation of carboxylic acid esters by modifying the acid moiety of the ester, such modification not being an introduction of an ester group
- C07C67/333—Preparation of carboxylic acid esters by modifying the acid moiety of the ester, such modification not being an introduction of an ester group by isomerisation; by change of size of the carbon skeleton
- C07C67/343—Preparation of carboxylic acid esters by modifying the acid moiety of the ester, such modification not being an introduction of an ester group by isomerisation; by change of size of the carbon skeleton by increase in the number of carbon atoms
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- C—CHEMISTRY; METALLURGY
- C07—ORGANIC CHEMISTRY
- C07D—HETEROCYCLIC COMPOUNDS
- C07D231/00—Heterocyclic compounds containing 1,2-diazole or hydrogenated 1,2-diazole rings
- C07D231/02—Heterocyclic compounds containing 1,2-diazole or hydrogenated 1,2-diazole rings not condensed with other rings
- C07D231/10—Heterocyclic compounds containing 1,2-diazole or hydrogenated 1,2-diazole rings not condensed with other rings having two or three double bonds between ring members or between ring members and non-ring members
- C07D231/14—Heterocyclic compounds containing 1,2-diazole or hydrogenated 1,2-diazole rings not condensed with other rings having two or three double bonds between ring members or between ring members and non-ring members with hetero atoms or with carbon atoms having three bonds to hetero atoms with at the most one bond to halogen, e.g. ester or nitrile radicals, directly attached to ring carbon atoms
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- C—CHEMISTRY; METALLURGY
- C07—ORGANIC CHEMISTRY
- C07D—HETEROCYCLIC COMPOUNDS
- C07D277/00—Heterocyclic compounds containing 1,3-thiazole or hydrogenated 1,3-thiazole rings
- C07D277/02—Heterocyclic compounds containing 1,3-thiazole or hydrogenated 1,3-thiazole rings not condensed with other rings
- C07D277/20—Heterocyclic compounds containing 1,3-thiazole or hydrogenated 1,3-thiazole rings not condensed with other rings having two or three double bonds between ring members or between ring members and non-ring members
- C07D277/32—Heterocyclic compounds containing 1,3-thiazole or hydrogenated 1,3-thiazole rings not condensed with other rings having two or three double bonds between ring members or between ring members and non-ring members with hetero atoms or with carbon atoms having three bonds to hetero atoms with at the most one bond to halogen, e.g. ester or nitrile radicals, directly attached to ring carbon atoms
- C07D277/56—Carbon atoms having three bonds to hetero atoms with at the most one bond to halogen
Abstract
Description
P(OR1)3 (III)
[式中、R1はC1−C4アルキルを表し、ここで、残基R1は出現毎に同じであってよく、または異なっていてもよい。]のトリアルキルホスファイトと反応させ、
このようにして得られた構造式(IV)
R2およびR3は相互に独立して水素もしくはC1−C8−アルキルを表し、または共に−CH2−CH2−O−CH2−CH2−、CH2−CH2−S−CH2−CH2−または−CH2−CH2−N(R4)−CH2−CH2−を表し、
R4は水素またはC1−C8−アルキルを表す。]のアミンと反応させ、
このようにして得られた構造式(VI)
b)構造式(VII)
本発明の方法(a)の第一段階は、通常、更なる希釈剤を用いることなく実施される。しかし、希釈剤(例えば塩化メチレン)を追加して使用することも可能である。
本発明の方法(a)の第二段階は場合によって希釈剤の存在下において実施される。このような反応に対して不活性なあらゆる通常の有機溶媒が適している。好適には、場合によってハロゲン化された脂肪族、脂環式または芳香族の炭化水素、例えば石油エーテル、ヘキサン、ヘプタン、シクロヘキサン、メチルシクロヘキサン、ベンゼン、トルエン、キシレン、デカリン、クロロベンゼン、ジクロロベンゼンもしくはジクロロメタン;エーテル、例えばジエチルエーテル、ジイソプロピルエーテル、メチル−tert−ブチルエーテル、メチル−tert−アミルエーテル、ジオキサン、テトラヒドロフラン、1,2−ジメトキシエタン、1,2−ジエトキシエタンもしくはアニソール;ニトリル、例えばアセトニトリル、プロピオニトリル、n−もしくはイソ−ブチロニトリルまたはベンゾニトリル;アミド、例えばN,N−ジメチルホルムアミド、N,N−ジメチルアセトアミド、N−メチルホルムアニリド、N−メチルピロリドンもしくはヘキサメチルホスホルアミド;スルホキシド、例えばジメチルスルホキシド;またはスルホン、例えばスルホランが使用される。
本発明の方法(a)の第三段階における加水分解は酸の存在下において実施され、好適には、場合によって水で希釈された硫酸、リン酸または塩酸の存在下において、より好適には塩酸の存在下において、最も好適には塩酸および水の混合物の存在下において実施される。
本発明の方法(b)においては、構造式(VII)のアルキルクロロジフルオロアセタートおよび構造式(VIII)のアルキルアセタートが使用され、式中のRは好適にはC1−C8−アルキルを表し、より好適にはC1−C6−アルキル、最も好適にはメチル、エチル、n−、イソ−プロピル、n−、イソ−、sec−、tert−ブチル、特に最も好適にはメチルまたはエチルを表す。
エチル3−[(ジメトキシホスホリル)オキシ]−4,4−ジフルオロブタ−3−エノアート(IV−1)の調製
エチル3−(ジイソプロピルアミノ)−4,4−ジフルオロブタ−3−エノアート(VI−1)の調製
エチル3−(ジイソプロピルアミノ)−4,4−ジフルオロブタ−3−エノアート(VI−1)の単離を伴わない4,4−ジフルオロアセト酢酸エチル(I)の調製
0.7lのエタノール中における527.8g(11.45mol)のメチルヒドラジンの溶液を、−15℃から−5℃において、5.4lのエタノール中における2394g(10.35mol)の2−(ジフルオロアセチル)−3−エトキシアクリル酸エチルの溶液に3.5時間にわたって滴下させながら加え、16時間攪拌し続ける。次いで、560g(14mol)の水酸化ナトリウムおよび3.5lの水を加え、50℃において7時間攪拌し続ける。反応混合物を冷却し、減圧下において蒸発させる。残分を6lの水および7kgの氷中に取り、ジクロロメタン(3lで1回、2lで1回)で洗う。この氷冷水性相を濃塩酸でpH2に調節し、沈殿した生成物を濾過して取り出し、乾燥キャビネット内で乾燥させる。この粗生成物を還流下において8lのイソプロパノール(熱い)中に溶解し、冷却し、0℃から5℃で30分間攪拌し、濾過し、1.4lのイソプロパノール(5℃)で洗い、乾燥キャビネット内において40℃で乾燥させる。
500mlのジクロルエタン中における2−クロロ−4,4−ジフルオロ−3−オキソブタン酸エチル(50.4%)および2,2−ジクロロ−4,4−ジフルオロ−3−オキソブタン酸エチル(68.2g、0.2mol、50.4%のモノクロロ化合物、19.2%のジクロロ化合物)の混合物に28g(0.27mol)のチオアセトアミドを加え、還流下において2時間加熱した後、16時間放置する。この後、300mlの飽和炭酸水素ナトリウム溶液を攪拌しながらゆっくりと加え、相を分離する。この有機溶液を硫酸ナトリウムで乾燥させ、減圧下において蒸発させる。残った溶液を濾過し、20mlの塩化メチレンで洗い、減圧下において蒸発させる。
Claims (10)
- 構造式(I)
第一段階において、構造式(II)
P(OR1)3 (III)
[式中、R1はC1−C4アルキルを表し、ここで、残基R1は出現毎に同じであってよく、または異なっていてもよい。]のトリアルキルホスファイトと反応させ、
このようにして得られた構造式(IV)
R2およびR3は相互に独立して水素もしくはC1−C8−アルキルを表し、または共に−CH2−CH2−O−CH2−CH2−、CH2−CH2−S−CH2−CH2−または−CH2−CH2−N(R4)−CH2−CH2−を表し、
R4は水素またはC1−C8−アルキルを表す。]のアミンと反応させ、
このようにして得られた構造式(VI)
ことを特徴とする、前記方法。 - RがC1−C8−アルキルを表す請求項1に記載の構造式(II)の化合物が使用されることを特徴とする、請求項1または2に記載の方法。
- RがC1−C8−アルキルを表す請求項1に記載の構造式(II)の化合物が使用されることを特徴とする、請求項1または2に記載の方法。
- Rがメチル、エチル、n−、イソ−プロピル、n−、イソ−、sec−、tert−ブチルを表す請求項1に記載の構造式(II)の化合物が使用され、
R1がメチル、エチル、n−、イソ−プロピル、n−、イソ−、sec−、tert−ブチルを表す請求項1に記載の構造式(III)の化合物が使用され、
R2およびR3が相互に独立して水素、メチル、エチル、n−、イソ−プロピル、n−、イソ−、sec−、tert−ブチルを表し、または共に−CH2−CH2−O−CH2−CH2−を表す請求項1に記載の構造式(V)の化合物が使用される
ことを特徴とする、請求項1または2に記載の方法。 - 前記第一段階が希釈剤を用いずに実施されることを特徴とする、請求項1、2、3、4または5に記載の方法。
- 前記第三段階における加水分解が硫酸、リン酸または塩酸の存在下において実施され、前記酸はそれぞれのケースにおいて場合によって水で希釈されていてよいことを特徴とする、請求項1、2、3、4、5または6に記載の方法。
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ES2431341T3 (es) | 2007-06-01 | 2013-11-26 | Basf Se | Procedimiento para la producción de (3-dihalometil-1-metilpirazol-4-il)carboxamidas N-sustituidas |
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