Process for the enzymatic preparation of organic esters of ascor

Details Process for the enzymatic preparation of organic esters of ascor Process for the enzymatic preparation of organic esters of ascor

1990-11-01

1991-12-10

Lilling, Herbert J.

Chemistry: molecular biology and microbiology

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

Preparing heterocyclic carbon compound having only o, n, s,...

435134, 435136, 435137, 435197, C12P 1704, C12P 740, C12N 918

Patent

active

050717537

ABSTRACT:
A process for the preparation of an organic ester of ascorbic acid or erythorbic acid represented by the general formula (II) or (III): ##STR1## wherein R.sub.1 is alkyl, aralkyl, or aryl, by reacting ascorbic acid or erythorbic acid with an organic acid or an ester thereof of the general formula (I):
wherein R.sub.1 is as defined above and R.sub.2 is hydrogen, methyl, ethyl or propyl, in an organic solvent in the presence of an ester hydrolase.

REFERENCES:
patent: 4705869 (1987-11-01), Nickels et al.
patent: 4792418 (1988-12-01), Rubin et al.
patent: 4882451 (1989-11-01), Yoshida et al.
Chem. Abs 75(30499k) (#5) (1971) Arakawa et al. Bitamin 1971 43(3,4) 166-71 (Japan).

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