Process for the preparation of fluorinated carboxylic acid fluor

Details Process for the preparation of fluorinated carboxylic acid fluor Process for the preparation of fluorinated carboxylic acid fluor

1989-08-03

1991-01-15

Killos, Paul J.

Organic compounds -- part of the class 532-570 series

Organic compounds

Carboxylic halides

568849, 568850, C07C 5162

Patent

active

049855948

ABSTRACT:
Process for the preparation of fluorinated carboxylic acid fluorides
Fluorinated carboxylic acid fluorides of the Formula I ##STR1## can be prepared from fluorinated vinyl ethers of the Formula II ##STR2## by heating the vinyl ethers to a temperature of 100.degree. to 350.degree. C.
Perfluorinated carboxylic acids and derivatives thereof can be prepared from the carboxylic acid fluorides by secondary reactions, for example hydrolysis, esterification or aminolysis.

REFERENCES:
patent: 2456768 (1948-12-01), Chaney
R. N. Haszeldine et al., J. C. S., 1968, 398-405.
Abstract of 61-225150, II, No. 63 (C-406) (2510), 2/26/87.
P. Tarrant et al., Fluor. Chem. Rev. 5:77-113 (1971).
H. Millauer et al., Angew. Chem. Int. Ed. Engl. 24:161-179 (1985).

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