DK0623575T3 - Fremgangsmåde til fremstilling af ketoner - Google Patents

Fremgangsmåde til fremstilling af ketoner

Info

Publication number
DK0623575T3
DK0623575T3 DK94106031T DK94106031T DK0623575T3 DK 0623575 T3 DK0623575 T3 DK 0623575T3 DK 94106031 T DK94106031 T DK 94106031T DK 94106031 T DK94106031 T DK 94106031T DK 0623575 T3 DK0623575 T3 DK 0623575T3
Authority
DK
Denmark
Prior art keywords
acid
cf3c
carboxylic acid
catalyst
ketones
Prior art date
Application number
DK94106031T
Other languages
English (en)
Inventor
Max Dr Braun
Johannes Dr Eicher
Werner Dr Rudolph
Kerstin Eichholz
Original Assignee
Solvay Fluor & Derivate
Priority date (The priority date 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 date listed.)
Filing date
Publication date
Priority claimed from DE19934313794 external-priority patent/DE4313794A1/de
Priority claimed from DE19934321017 external-priority patent/DE4321017A1/de
Application filed by Solvay Fluor & Derivate filed Critical Solvay Fluor & Derivate
Application granted granted Critical
Publication of DK0623575T3 publication Critical patent/DK0623575T3/da

Links

Classifications

    • C—CHEMISTRY; METALLURGY
    • C07—ORGANIC CHEMISTRY
    • C07C—ACYCLIC OR CARBOCYCLIC COMPOUNDS
    • C07C45/00—Preparation of compounds having >C = O groups bound only to carbon or hydrogen atoms; Preparation of chelates of such compounds
    • C07C45/45—Preparation of compounds having >C = O groups bound only to carbon or hydrogen atoms; Preparation of chelates of such compounds by condensation
    • C07C45/48—Preparation of compounds having >C = O groups bound only to carbon or hydrogen atoms; Preparation of chelates of such compounds by condensation involving decarboxylation
    • C—CHEMISTRY; METALLURGY
    • C07—ORGANIC CHEMISTRY
    • C07C—ACYCLIC OR CARBOCYCLIC COMPOUNDS
    • C07C45/00—Preparation of compounds having >C = O groups bound only to carbon or hydrogen atoms; Preparation of chelates of such compounds
    • C07C45/61—Preparation of compounds having >C = O groups bound only to carbon or hydrogen atoms; Preparation of chelates of such compounds by reactions not involving the formation of >C = O groups
    • C07C45/67—Preparation of compounds having >C = O groups bound only to carbon or hydrogen atoms; Preparation of chelates of such compounds by reactions not involving the formation of >C = O groups by isomerisation; by change of size of the carbon skeleton
    • C07C45/673—Preparation of compounds having >C = O groups bound only to carbon or hydrogen atoms; Preparation of chelates of such compounds by reactions not involving the formation of >C = O groups by isomerisation; by change of size of the carbon skeleton by change of size of the carbon skeleton
    • C07C45/676—Preparation of compounds having >C = O groups bound only to carbon or hydrogen atoms; Preparation of chelates of such compounds by reactions not involving the formation of >C = O groups by isomerisation; by change of size of the carbon skeleton by change of size of the carbon skeleton by elimination of carboxyl groups
    • C—CHEMISTRY; METALLURGY
    • C07—ORGANIC CHEMISTRY
    • C07C—ACYCLIC OR CARBOCYCLIC COMPOUNDS
    • C07C49/00—Ketones; Ketenes; Dimeric ketenes; Ketonic chelates
    • C07C49/04—Saturated compounds containing keto groups bound to acyclic carbon atoms
    • C07C49/16—Saturated compounds containing keto groups bound to acyclic carbon atoms containing halogen
    • C07C49/167—Saturated compounds containing keto groups bound to acyclic carbon atoms containing halogen containing only fluorine as halogen
    • C—CHEMISTRY; METALLURGY
    • C07—ORGANIC CHEMISTRY
    • C07C—ACYCLIC OR CARBOCYCLIC COMPOUNDS
    • C07C67/00—Preparation of carboxylic acid esters
    • C07C67/10—Preparation of carboxylic acid esters by reacting carboxylic acids or symmetrical anhydrides with ester groups or with a carbon-halogen bond

Landscapes

  • Chemical & Material Sciences (AREA)
  • Organic Chemistry (AREA)
  • Chemical Kinetics & Catalysis (AREA)
  • Organic Low-Molecular-Weight Compounds And Preparation Thereof (AREA)
  • Low-Molecular Organic Synthesis Reactions Using Catalysts (AREA)
  • Steroid Compounds (AREA)
  • Catalysts (AREA)
DK94106031T 1993-04-27 1994-04-19 Fremgangsmåde til fremstilling af ketoner DK0623575T3 (da)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
DE19934313794 DE4313794A1 (de) 1993-04-27 1993-04-27 Verfahren zur Herstellung von Ketonen
DE19934321017 DE4321017A1 (de) 1993-06-24 1993-06-24 Verfahren zur Herstellung von Ketonen unter Umesterung mit Trifluoressigsäure

Publications (1)

Publication Number Publication Date
DK0623575T3 true DK0623575T3 (da) 1999-07-26

Family

ID=25925317

Family Applications (1)

Application Number Title Priority Date Filing Date
DK94106031T DK0623575T3 (da) 1993-04-27 1994-04-19 Fremgangsmåde til fremstilling af ketoner

Country Status (7)

Country Link
US (1) US5481029A (da)
EP (1) EP0623575B1 (da)
JP (1) JP2948094B2 (da)
AT (1) ATE173245T1 (da)
DE (1) DE59407251D1 (da)
DK (1) DK0623575T3 (da)
ES (1) ES2126013T3 (da)

Families Citing this family (18)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
GB2315268B (en) * 1996-07-17 2000-05-10 Rh Ne Poulenc Chemicals Ltd Stabilization of perfluoroalkyl alkyl ketones
JP3523115B2 (ja) * 1999-05-27 2004-04-26 セントラル硝子株式会社 １，１，１−トリフルオロアセトンの製造方法
JP2002080423A (ja) * 2000-09-06 2002-03-19 Daikin Ind Ltd トリフルオロ酢酸エチルの合成方法
US7842727B2 (en) * 2001-03-27 2010-11-30 Errant Gene Therapeutics, Llc Histone deacetylase inhibitors
DE10143178A1 (de) * 2001-09-04 2003-03-20 Solvay Fluor & Derivate Verfahren zur Herstellung von Carbonsäureestern
EP1511477A4 (en) * 2002-05-22 2008-04-09 Errant Gene Therapeutics Llc HISTONE DEACETYLASE INHIBITORS BASED ON ALPHA-KETO-EPOXYDE COMPOUNDS
WO2003099760A1 (en) * 2002-05-22 2003-12-04 Errant Gene Therapeutics, Llc. Histone deacetylase inhibitors based on trihalomethylcarbonyl compounds
US7932418B2 (en) * 2006-02-23 2011-04-26 Firmenich Sa Process for the preparation of β-γ ene carbonyl derivatives
CN102476984A (zh) * 2010-11-23 2012-05-30 中化蓝天集团有限公司 一种1,1,1-三氟丙酮的制备方法
WO2013079397A1 (en) 2011-11-30 2013-06-06 Solvay Sa Fluorinated derivatives of meldrum's acid, a method for the preparation of the same, and their use as a solvent additive
CN103214355B (zh) * 2012-11-02 2016-02-17 江苏中丹药物研究有限公司 一种制备含氟甲基或芳基烷基酮的方法
WO2014083936A1 (ja) * 2012-11-27 2014-06-05 株式会社クレハ カルボニル化合物の製造方法
WO2014083935A1 (ja) * 2012-11-27 2014-06-05 株式会社クレハ カルボニル化合物の製造方法
JP6458022B2 (ja) * 2013-10-23 2019-01-23 バイエル・クロップサイエンス・アクチェンゲゼルシャフト ハロゲンケトン類を製造する方法
CN106365972A (zh) * 2015-07-23 2017-02-01 浙江蓝天环保高科技股份有限公司 一种1,1,1-三氟-2-丁酮的制备方法
CN107141210B (zh) * 2016-03-01 2021-02-23 浙江蓝天环保高科技股份有限公司 一种提高三氟丙酮回收率的方法
WO2022233129A1 (en) 2021-05-05 2022-11-10 Fujian Yongjing Technology Co., Ltd New process for the synthesis of 5-fluoro-3- (difuoromethyl) -5-fluoro-1-methyl-1h-pyrazole-4-carboxylic acid derivatives and the free acid thereof
CN114210288B (zh) * 2021-12-28 2023-09-05 科莱博(江苏)科技股份有限公司 1,1-二氟丙酮生产装置及其生产方法

Family Cites Families (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US2369250A (en) * 1943-05-18 1945-02-13 Carbide & Carbon Chem Corp Production of beta-diketones
DE2638453A1 (de) * 1976-08-26 1978-03-02 Bayer Ag Verfahren zur decarbalkoxylierung von carbonsaeureestern
US5274136A (en) * 1987-05-27 1993-12-28 The United States Of America As Represented By The Secretary Of Agriculture Process for the preparation of ketones
US5210272A (en) * 1990-02-16 1993-05-11 Prototek, Inc. Process for forming a fluoromethyl ketone
DE4025188A1 (de) * 1990-08-09 1992-02-13 Bayer Ag Verfahren zur herstellung von halogenmethylketonen, insbesondere von 1,1,1-trifluoraceton

Also Published As

Publication number Publication date
JPH06321842A (ja) 1994-11-22
US5481029A (en) 1996-01-02
ES2126013T3 (es) 1999-03-16
DE59407251D1 (de) 1998-12-17
JP2948094B2 (ja) 1999-09-13
EP0623575A1 (de) 1994-11-09
EP0623575B1 (de) 1998-11-11
ATE173245T1 (de) 1998-11-15

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