DK158456C - PROCEDURE FOR PREPARING TRIFLUORACETYL CHLORIDE - Google Patents

PROCEDURE FOR PREPARING TRIFLUORACETYL CHLORIDE

Info

Publication number
DK158456C
DK158456C DK328281A DK328281A DK158456C DK 158456 C DK158456 C DK 158456C DK 328281 A DK328281 A DK 328281A DK 328281 A DK328281 A DK 328281A DK 158456 C DK158456 C DK 158456C
Authority
DK
Denmark
Prior art keywords
preparing
procedure
chloride
trifluoracetyl
trifluoracetyl chloride
Prior art date
Application number
DK328281A
Other languages
Danish (da)
Other versions
DK328281A (en
DK158456B (en
Inventor
Werner Rudolph
Guenter Fernschild
Wolfgang Hirsch
Original Assignee
Kali Chemie Ag
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 Kali Chemie Ag filed Critical Kali Chemie Ag
Publication of DK328281A publication Critical patent/DK328281A/en
Publication of DK158456B publication Critical patent/DK158456B/en
Application granted granted Critical
Publication of DK158456C publication Critical patent/DK158456C/en

Links

Classifications

    • C—CHEMISTRY; METALLURGY
    • C07—ORGANIC CHEMISTRY
    • C07C—ACYCLIC OR CARBOCYCLIC COMPOUNDS
    • C07C51/00—Preparation of carboxylic acids or their salts, halides or anhydrides
    • C07C51/58—Preparation of carboxylic acid halides

Landscapes

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

Abstract

Good yields of trifluoroacetyl compounds, particularly trifluoroacetyl chloride, with short reaction times, are obtained by reaction of 1,1,1 trifluoro-2,2,2 trichloroethane with sulfur trioxide, in presence of mercury salts and addition of boron halide and/or halogenated sulphonic acid.
DK328281A 1979-11-24 1981-07-23 PROCEDURE FOR PREPARING TRIFLUORACETYL CHLORIDE DK158456C (en)

Applications Claiming Priority (4)

Application Number Priority Date Filing Date Title
DE19792947376 DE2947376A1 (en) 1979-11-24 1979-11-24 METHOD FOR PRODUCING TRIFLUOROACETIC DERIVATIVES
DE2947376 1979-11-24
EP8000134 1980-11-21
PCT/EP1980/000134 WO1981001406A1 (en) 1979-11-24 1980-11-21 Process for the preparation of trifluoroacetic acid derivatives

Publications (3)

Publication Number Publication Date
DK328281A DK328281A (en) 1981-07-23
DK158456B DK158456B (en) 1990-05-21
DK158456C true DK158456C (en) 1990-10-08

Family

ID=6086764

Family Applications (1)

Application Number Title Priority Date Filing Date
DK328281A DK158456C (en) 1979-11-24 1981-07-23 PROCEDURE FOR PREPARING TRIFLUORACETYL CHLORIDE

Country Status (6)

Country Link
EP (1) EP0029591B1 (en)
JP (1) JPS6348256B2 (en)
AT (1) ATE1279T1 (en)
DE (2) DE2947376A1 (en)
DK (1) DK158456C (en)
WO (1) WO1981001406A1 (en)

Families Citing this family (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US4411843A (en) * 1980-12-15 1983-10-25 Allied Corporation Conversion of 1,1,1-trichloroperhaloalkanes into perhaloalkanoyl chlorides
JPS60197635A (en) * 1984-03-21 1985-10-07 Central Glass Co Ltd Preparation of trifluoroacetic acid derivative
DE4313793A1 (en) * 1993-04-27 1994-11-03 Solvay Fluor & Derivate Production of carboxylic acid halides and carboxylate salts
JPH07220573A (en) * 1994-01-31 1995-08-18 Nec Corp Operation button structure
US20070055199A1 (en) 2005-08-10 2007-03-08 Gilbert Scott J Drug delivery device for buccal and aural applications and other areas of the body difficult to access

Also Published As

Publication number Publication date
DE2947376A1 (en) 1981-06-11
DE3060636D1 (en) 1982-08-19
DK328281A (en) 1981-07-23
EP0029591B1 (en) 1982-06-30
DK158456B (en) 1990-05-21
JPS6348256B2 (en) 1988-09-28
ATE1279T1 (en) 1982-07-15
EP0029591A1 (en) 1981-06-03
WO1981001406A1 (en) 1981-05-28
JPS56501649A (en) 1981-11-12

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