Process for producing fluorine-containing aliphatic carboxylic a

Details Process for producing fluorine-containing aliphatic carboxylic a Process for producing fluorine-containing aliphatic carboxylic a

1988-07-22

1991-04-02

Evans, J. E.

Chemistry of carbon compounds

Miscellaneous organic carbon compounds

C-metal

502551, 502596, C07C 5115, C11C 300

Patent

active

050045679

ABSTRACT:
Process for producing fluorine-containing aliphatic carboxylic acids having the general formula of Y--R.sub.f --Y' as defined herein by reaction of fluorine-containing aliphatic halogen compounds having the general formula of X--R.sub.4 --X' as defined herein with carbon dioxide under the presence of zinc in an organic solvent and hydrolysis of the reaction product, wherein the improvement comprises controlling the concentration of carbon dioxide in the organic solvent at a level of 0.3 to 5 mol/l.

REFERENCES:
patent: 4098806 (1978-07-01), Commeyras et al.
patent: 4221734 (1980-09-01), Commeyras et al.
patent: 4404398 (1983-09-01), DeLue
patent: 4478760 (1984-10-01), Blancou et al.
patent: 4578222 (1986-03-01), Ishikawa et al.
patent: 4759881 (1988-07-01), Lang et al.

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