Process for converting formate esters to carboxylic acids

Details Process for converting formate esters to carboxylic acids Process for converting formate esters to carboxylic acids

1981-06-22

1990-04-17

Garner, Vivian

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

Organic compounds

Carboxylic acids and salts thereof

2604056, 560234, 562400, 562482, 562493, 562496, 562504, 562505, 562506, 562509, 562591, 562606, C07C 51353, C07C 5308, C07C 5514, C07C 5732

Patent

active

049182269

ABSTRACT:
A process for converting formic acid esters or transesterification products thereof to carboxylic acids comprising contacting a formic acid ester of the formula (HCOO).sub.n --R where R is aliphatic, cycloaliphatic or aralkyl and n is 1 or 2 with a catalytically effective amount of a soluble iridium salt and an iodide promoter at a temperature of from about 100.degree. C. to about 300.degree. C. in the presence of an organic solvent containing at least one carboxylic acid.

REFERENCES:
patent: Re29981 (1979-05-01), Isogai
patent: 2508513 (1950-05-01), Groombridge
patent: 2739169 (1956-03-01), Hagemeyer
patent: 3488383 (1970-01-01), Coffey
patent: 3798267 (1974-05-01), Wakamatsa et al.
patent: 3839428 (1974-10-01), Isogai
patent: 4194056 (1980-03-01), Antoniades
Mizorogi, Shokubai (Catalysts), 19, pp. 90-05, (1977).
F. J. Bryant et al, Preprints Div. Petr. Chem., 18i, 193, (1973).
Chem. Abstr. 85, 93872d, (1976).
Chem. Abstr. 79, 78102k, (1973).

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