Process for preparing optically active carboxylic acids and anti

Details Process for preparing optically active carboxylic acids and anti Process for preparing optically active carboxylic acids and anti

1984-07-02

1986-12-16

Goldberg, Jerome D.

Chemistry: molecular biology and microbiology

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

Preparing sulfur-containing organic compound

435280, C12P 1100, C07P 4100

Patent

active

046297014

ABSTRACT:
Organic carboxylic acid ester represented by the formula (II): ##STR1## wherein R.sub.1 is an alkyl, an aralkyl or an aryl group; R.sub.2 is an alkyl group; R.sub.3 is an alkyl group; n is 1 or 2, are synthesized in racemic form, and then the acid ester (II) is treated with a source containing enzyme capable of rearranging with or without asymmetrically hydrolyzing ester bond until either a d-form or 1-form optically active carboxylic acid ester represented by the formula (II) with or without the antipode acid thereof is produced.

REFERENCES:
patent: 4094741 (1978-06-01), Yamada et al.
patent: 4452897 (1984-06-01), Umezawa et al.

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