Stereoselective resolution of phenylglycine derivatives with enz

Chemistry: molecular biology and microbiology – Process of utilizing an enzyme or micro-organism to destroy... – Resolution of optical isomers or purification of organic...

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435813, C07B 2000

Patent

active

044395248

ABSTRACT:
The invention relates to a process for the stereo-selective resolution of DL-phenylglycine derivatives by hydrolyzing the ester or amide groups of N-acyl-L-phenylglycine esters or amides in N-acyl-DL-phenylglycine esters or amides by the action of enzymes, separating the N-acyl-D-phenylglycine esters or amides from the N-acyl-L-phenylglycines and then, if appropriate, subjecting the ester or amide groups of the D-enantiomers and the acyl groups to acid hydrolysis, characterized in that enzyme which are bonded to carriers are allowed to act on the N-acyl-DL-phenylglycine esters or amides in an inert two-phase mixture consisting of water-immiscible organic solvent and water.

REFERENCES:
patent: 3907638 (1975-09-01), Uzuki et al.
patent: 3971700 (1976-07-01), Boesten
patent: 4202943 (1980-05-01), Suhara et al.

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