Fluorinated carboxylic acid fluorides

Details Fluorinated carboxylic acid fluorides Fluorinated carboxylic acid fluorides

1989-08-03

1991-01-22

Killos, Paul J.

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

Organic compounds

Carboxylic halides

562849, 562850, C07C 5162

Patent

active

049872540

ABSTRACT:
Fluorinated carboxylic acid fluorides of the formula I ##STR1## can be prepared from fluorinated vinyl ethers of the formula II ##STR2## by reacting the vinyl ethers with an oxygen-containing gas in the presence of a catalytic amount of a Lewis acid. Perfluorinated carboxylic acids and derivatives thereof can be prepared from the carboxylic acid fluorides by secondary reactions, for example hydrolysis, esterification or aminolysis.

REFERENCES:
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patent: 3442942 (1969-05-01), Sianesi et al.
patent: 3451908 (1969-06-01), Sianesi et al.
R. N. Haszeldine et al., J. Chem. Soc. (c): 1968 398-405.
H. Millaver et al., Angew. Chem. Int. Ed. Engl. 24: 161-179 (1985).
Hans Millauer et al., Angewanete Chem. Int.'l Ed Engl., vol. 24, pp. 161-179 (1985).
Filyakova et al., Chem. Abs. 91:38844v (1979).
Daikin Kogyo Co., Ltd., Chemical Abs. 94:102806a (1981).

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