Process for the preparation of esters

Details Process for the preparation of esters Process for the preparation of esters

1987-12-21

1990-09-11

Griffin, Ronald W.

Chemistry: molecular biology and microbiology

Micro-organism, tissue cell culture or enzyme using process...

Preparing oxygen-containing organic compound

435271, 435198, C12N 920, C12P 764

Patent

active

049562860

ABSTRACT:
The invention provides a process for preparing an ester from an alcohol and fatty acid (glyceride) by enzyme-catalyzed conversion, in which a fatty acid (glyceride) and alcohol are contacted with lipase and the alcohol is added at such a rate that the alcohol concentration in the reaction mixture is kept below a molar ratio of 0.5 moles of alcohol per mole of fatty acid/acyl group, preferably below 0.25. The alcohol is a C.sub.1 -C.sub.8 alcohol, preferably a monohydric alcohol. The fatty acid is a C.sub.2 -C.sub.24 fatty acid, preferably a C.sub.10 -C.sub.24 fatty acid. Preferably, water of reaction is removed while esterification progresses.

REFERENCES:
patent: 4275011 (1981-06-01), Tanaka et al.
patent: 4275081 (1981-06-01), Coleman et al.
patent: 4377686 (1983-03-01), Feuge et al.
patent: 4735900 (1988-04-01), Urata et al.

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