Method for fluorodecarboxylation

Details Method for fluorodecarboxylation Method for fluorodecarboxylation

1990-01-16

1991-02-26

Mars, Howard T.

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

Organic compounds

Oxygen containing

568684, 568685, 568655, 570142, 570218, 570261, C07C 4101, C07C 1733

Patent

active

049963716

ABSTRACT:
The present invention is directed to a method for replacing a carboxylic acid group with a fluorine group in a halogenated aliphatic carboxylic acid compound having the formula, R-COOH, to prepare a fluorinated product having the formula, R-F, wherein R is a halogenated aliphatic group including straight- and branched-chain aliphatic groups selected from the group consisting of halogenated aliphatic and alkoxy-substituted halogenated aliphatic groups, wherein the method comprises the steps of (a) reacting the halogenated aliphatic carboxylic acid compound with bromine trifluoride, and (b) recovering the fluorinated product.

REFERENCES:
patent: 3683092 (1972-08-01), Regan et al.
patent: 4469898 (1984-09-01), Coon et al.
patent: 4847427 (1987-07-01), Nappa
patent: 4874901 (1989-10-01), Halpern et al.
Chemtech, May 1989, pp. 304-308--D. F. Halpern.
J. Org. Chem., vol. 48, (1983), pp. 4158-4159--Patrick et al.

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