Process for preparing optically active tryptophanes

Details Process for preparing optically active tryptophanes Process for preparing optically active tryptophanes

1983-05-17

1984-11-06

Raymond, Richard

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

Organic compounds

Heterocyclic carbon compounds containing a hetero ring...

548497, 435280, C07D20920

Patent

active

044813627

ABSTRACT:
Biochemical optical resolution of DL-tryptophanes in which DL-tryptophane amides are interacted with the culture products, or their treated products, of a microorganism capable of producing amidase is described. L-tryptophane amides in racemic DL-tryptophane amides are asymmetrically hydrolyzed to form optically active L-tryptophanes at a high yield and almost all D-tryptophane amides remain without being subjected to hydrolysis. The resultant D-tryptophane amides are readily hydrolyzed, after separating L-tryptophanes, to form optically active D-tryptophanes at a high yield.

REFERENCES:
Chibata et al., Bull. Agr. Chem. Soc. Japan, vol. 21, No. 1, pp. 62-66, (1951).
Merck Index 9th Ed., Entry 8815, Merck & Co., Rahway, N.J., (1976).

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