ES8607904A1 - Un procedimiento para preparar anhidrido trifluoroacetico - Google Patents

Un procedimiento para preparar anhidrido trifluoroacetico

Info

Publication number
ES8607904A1
ES8607904A1 ES544083A ES544083A ES8607904A1 ES 8607904 A1 ES8607904 A1 ES 8607904A1 ES 544083 A ES544083 A ES 544083A ES 544083 A ES544083 A ES 544083A ES 8607904 A1 ES8607904 A1 ES 8607904A1
Authority
ES
Spain
Prior art keywords
trifluoroacetic anhydride
preparing
preparing trifluoroacetic
anhydride
trifluoroacetic
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.)
Expired
Application number
ES544083A
Other languages
English (en)
Other versions
ES544083A0 (es
Current Assignee (The listed assignees may be inaccurate. Google has not performed a legal analysis and makes no representation or warranty as to the accuracy of the list.)
Rhone Poulenc Specialites Chimiques
Original Assignee
Rhone Poulenc Specialites Chimiques
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
Application filed by Rhone Poulenc Specialites Chimiques filed Critical Rhone Poulenc Specialites Chimiques
Publication of ES544083A0 publication Critical patent/ES544083A0/es
Publication of ES8607904A1 publication Critical patent/ES8607904A1/es
Expired legal-status Critical Current

Links

Classifications

    • CCHEMISTRY; METALLURGY
    • C07ORGANIC CHEMISTRY
    • C07CACYCLIC OR CARBOCYCLIC COMPOUNDS
    • C07C51/00Preparation of carboxylic acids or their salts, halides or anhydrides
    • C07C51/54Preparation of carboxylic acid anhydrides
    • C07C51/567Preparation of carboxylic acid anhydrides by reactions not involving carboxylic acid anhydride groups

Landscapes

  • Chemical & Material Sciences (AREA)
  • Organic Chemistry (AREA)
  • Chemical Kinetics & Catalysis (AREA)
  • Engineering & Computer Science (AREA)
  • Oil, Petroleum & Natural Gas (AREA)
  • Organic Low-Molecular-Weight Compounds And Preparation Thereof (AREA)
  • Furan Compounds (AREA)

Abstract

PROCEDIMIENTO PARA LA OBTENCION DE ANHIDRIDO TRIFLUOROACETICO. CONSISTE EN LA REACCION DE UN EXCESO MOLAR DE 2 A 5 VECES CON RELACION A LA ESTEQUIOMETRIA DE LA REACCION DE ACIDO TRIFLUOROACETICO CON EL ANHIDRIDO DE UN ACIDO A-HALOGENADO, DE FORMULA Y1(CY2Y3)N-CO2O, EN LA QUE Y1, Y2 E Y3 PUEDEN SER HIDROGENO, CLORO O BROMO, Y N VALE 1 O 2. LA REACCIOPN SE LLEVA A CABO A LA TEMPERATURA DE EBULLICION DE LA MEZCLA DE REACCION, A LA PRESION ATMOSFERICA. EL PRODUCTO OBTENIDO SE SEPARA POR DESTILACION. EL ANHIDRIDO TRIFLUOROACETICO TIENE APLICACIONES COMO INTERMEDIO EN LA SINTESIS INDUSTRIAL DE COMPUESTOS EMPLEADOS EN FARMACIA Y FITOSANITARIOS.
ES544083A 1984-06-13 1985-06-12 Un procedimiento para preparar anhidrido trifluoroacetico Expired ES8607904A1 (es)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
FR8409188A FR2565967B1 (fr) 1984-06-13 1984-06-13 Procede de preparation d'anhydride trifluoracetique

Publications (2)

Publication Number Publication Date
ES544083A0 ES544083A0 (es) 1986-06-01
ES8607904A1 true ES8607904A1 (es) 1986-06-01

Family

ID=9304932

Family Applications (1)

Application Number Title Priority Date Filing Date
ES544083A Expired ES8607904A1 (es) 1984-06-13 1985-06-12 Un procedimiento para preparar anhidrido trifluoroacetico

Country Status (9)

Country Link
US (1) US4595541A (es)
EP (1) EP0168293B1 (es)
JP (1) JPS6133139A (es)
AT (1) ATE28743T1 (es)
BR (1) BR8502783A (es)
CA (1) CA1231350A (es)
DE (1) DE3560411D1 (es)
ES (1) ES8607904A1 (es)
FR (1) FR2565967B1 (es)

Families Citing this family (9)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
EP0549531A1 (de) * 1991-12-20 1993-06-30 Säurefabrik Schweizerhall Verfahren zur Herstellung von Säureanhydriden
US6248923B1 (en) * 1999-09-03 2001-06-19 Eastman Chemical Company Process for the production of fluorocarboxylic acid anhydrides
EP1394143A1 (en) * 1999-09-03 2004-03-03 Eastman Chemical Company Process for the production of fluorocarboxylic acid anhydrides
US6903236B2 (en) 1999-12-21 2005-06-07 Daikin Industries, Ltd. Process for producing fluorocarboxylic anhydride
JP2006066320A (ja) * 2004-08-30 2006-03-09 Shin Kobe Electric Mach Co Ltd カルボン酸無水有機化合物、それを含む非水電解液及びそれを用いたリチウム二次電池
CN101108797B (zh) * 2007-08-03 2010-04-14 申厚宝 三氟乙酸酐生产工艺
JP5871633B2 (ja) * 2012-01-24 2016-03-01 関東電化工業株式会社 ビス(1,1−ジクロロ−3,3,3−トリフルオロプロピル)エーテルおよびその製造方法
CN103183601B (zh) * 2013-01-30 2014-10-01 巨化集团技术中心 一种同时制备二氟乙酸酐及二氟乙酸酯的方法
CN104803839B (zh) * 2015-03-20 2016-11-30 浙江理工大学 一种制备三氟乙酸酐的方法

Family Cites Families (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US1863788A (en) * 1928-10-20 1932-06-21 William J Hale Preparation of organic acid anhydrides
US2411567A (en) * 1943-08-23 1946-11-26 British Celanese Manufacture of carboxylic acid anhydrides
DE3107108C2 (de) * 1981-02-26 1985-08-14 Hoechst Ag, 6230 Frankfurt Verfahren zur Herstellung von Trichloracetanhydrid

Also Published As

Publication number Publication date
ES544083A0 (es) 1986-06-01
CA1231350A (fr) 1988-01-12
EP0168293B1 (fr) 1987-08-05
EP0168293A1 (fr) 1986-01-15
BR8502783A (pt) 1986-02-18
ATE28743T1 (de) 1987-08-15
FR2565967B1 (fr) 1986-09-12
JPH02339B2 (es) 1990-01-08
DE3560411D1 (en) 1987-09-10
FR2565967A1 (fr) 1985-12-20
US4595541A (en) 1986-06-17
JPS6133139A (ja) 1986-02-17

Similar Documents

Publication Publication Date Title
GB2166741B (en) Process for the preparation of diphosphonic acids
PT80698A (en) Process for preparing indole-2-alkanoic acids
HUT37604A (en) Process for producing 4-substituted-piperazine-2-carboxylic acids
ZA855659B (en) Novel process for the preparation of cis,endo-octahydrocyclopenta(b)pyrrole-2-carboxylate
PT73563A (en) Process for the preparation of phen(alk)oxy-substituted oxiranecarboxylic acids
EP0274177A3 (en) Process for the production of highly concentrated phosphoric acid
IL93999A0 (en) Naphthalenecarboxylic acid intermediates for the production of podophyllotoxin and related compounds and their preparation
ES8607904A1 (es) Un procedimiento para preparar anhidrido trifluoroacetico
DE3566253D1 (en) Process for the preparation of caprolactam from epsylon-aminocaproic acid
IL80355A0 (en) Process for the production of aliphatic phosphonic acids
DE3561054D1 (en) Process for the preparation of 2,4-dichloro-5-fluoro-benzoic acid
ZA855389B (en) Process for the preparation of quinolone-and naphthyridone-carboxylic acids
EP0179654A3 (en) Process for the preparation of 5,6,7,8-tetrahydrofolic acid
DE3560290D1 (en) Process for the preparation of hydroxyalkylaminoacetic acids
DE3560037D1 (en) Process for the preparation of p-tolvidine-2-sulfonic acid
EP0242678A3 (en) Process for the preparation of phosphorus pentoxide with reduced reactivity
HUT42050A (en) Process for preparing 2-choloro-propionic acid
HUT38100A (en) Process for preparing new nitro-apovincamine acid-derivatives
DE3563349D1 (en) Process for the preparation of a carboxylic acid
DE3561460D1 (en) Process for the production of 1-amino-2-naphthol-4-sulphonic acid
PT80959B (en) Process for the preparation of 4-amino-2-methyl-6-oxo-tetrahydropyrane-3-carboxylic acid hidrochloride
EP0166903A3 (en) Process for the production by fermentation of branched aliphatic or aromatic l-amino acids from alpha-ketocarboxylic acids
DE3563960D1 (en) Process for the preparation of esters of hydroxymethylene-alcoxyacetic acid
DE3566117D1 (en) Process for the preparation of pantolactone
EP0159866A3 (en) Process for production of l-amino acids

Legal Events

Date Code Title Description
MM4A Patent lapsed

Effective date: 19960401