Process for the preparation of alkyl carboxylate

Details Process for the preparation of alkyl carboxylate Process for the preparation of alkyl carboxylate

1981-06-02

1982-10-19

Killos, Paul J.

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

Organic compounds

Carboxylic acid esters

560231, 560232, 560265, 2604109R, C07C 6976

Patent

active

043551734

ABSTRACT:
A commercially acceptable and advantageous process for the preparation of an alkyl carboxylate having the formula R.sup.1 COOCH.sub.2 R.sup.2 by reacting an alkyl carboxylate having the formula R.sup.1 COOR.sup.2, carbon monoxide and hydrogen is disclosed (R.sup.1 is hydrogen, alkyl group or aromatic group and R.sup.2 is alkyl group). The reaction is conducted by the concurrent use of manganese and ruthenium as catalyst in the presence of iodine or bromine as the promoter. The reaction proceeds smoothly under milder condition in high yield and high selectivity.

REFERENCES:
patent: 4189441 (1980-02-01), Braca et al.
J. Am. Chem. Soc., 100:19, Sep. 13, 1978, pp. 6238-6240.

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