Process for preparing ethyl and n-propyl esters of carboxylic ac

Details Process for preparing ethyl and n-propyl esters of carboxylic ac Process for preparing ethyl and n-propyl esters of carboxylic ac

1982-01-13

1987-03-03

Lone, Werren B.

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

Organic compounds

Carboxylic acid esters

2604109R, 546321, 546327, 549484, 560 1, 560 64, 560100, 560103, 560105, 560114, 560122, 560124, 560152, 560155, 560175, 560178, 560226, 560227, 558441, C07C 6736

Patent

active

046476911

ABSTRACT:
Ethyl and n-propyl esters of carboxylic acids are prepared in good yield from methanol, syngas and a carboxylic acid by contacting a mixture of the carboxylic acid, carbon monoxide, hydrogen and methanol with a catalyst composition comprising a ruthenium-containing compound, a cobalt-containing compound and a quaternary onium salt or base, and heating the resulting mixture at an elevated temperature and pressure for sufficient time to produce the desired ethyl and propyl esters, and then recovering the same from the reaction mixture.

REFERENCES:
patent: 4133966 (1979-01-01), Pretzer et al.
patent: 4189441 (1980-02-01), Braca et al.
patent: 4205190 (1980-05-01), Gane et al.
patent: 4371724 (1983-02-01), Lin et al.
patent: 4374285 (1983-02-01), Lin et al.
patent: 4414410 (1983-11-01), Lin et al.
patent: 4430506 (1984-02-01), Gauthier-Lefaye et al.

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