Process for preparing an optically active .gamma.-halo-.beta.-hy

Details Process for preparing an optically active .gamma.-halo-.beta.-hy Process for preparing an optically active .gamma.-halo-.beta.-hy

1986-11-26

1990-06-12

Warren, Charles F.

Chemistry: molecular biology and microbiology

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

Preparing oxygen-containing organic compound

435280, 435244, 435254, 435255, C12P 762, C12P 4100, C12N 118

Patent

active

049332821

ABSTRACT:
A process for preparing an optically active .gamma.-halo-.beta.-hydroxybutyric acid ester in high yields which comprises subjecting a .gamma.-haloacetoacetic acid ester to the action of a microorganism selected from genus Saccharomyces under an anaerobic condition. When the .gamma.-haloacetoacetic acid ester is subjected to the action of the microorganism in the presence of a ketal, the yield and optical purity can be further increased.

REFERENCES:
ATCC Catalog of Fungi, 1987, pp. 346-347.

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