Process of producing optically active cephalosporin analogs by enzyme
申请人:Kyowa Hakko Kogyo Co., Ltd.
公开号:US04302541A1
公开(公告)日:1981-11-24
Optically active cephalosporin analogs are produced by optically selective deacylation of an optically inactive acylated analog. The compounds are useful as intermediates in the preparation of optically active acylated antimicrobial agents.
Process for producing optically active cephalosporin analogs
申请人:Kyowa Hakko Kogyo Co., Ltd.
公开号:US04335211A1
公开(公告)日:1982-06-15
Disclosed are optically active acylated cephalosporin analogs which are useful as antibacterial agents and methods for preparing such compounds.
本发明涉及光学活性的酰化头孢菌素类似物,其可用作抗菌剂,并提供制备这些化合物的方法。
An enzymatic process for preparing Beta-lactam compounds
申请人:DSM N.V.
公开号:EP1186668A1
公开(公告)日:2002-03-13
An enzymatic process for the preparation of a semi-synthetic β-lactam antibiotic compound by reacting an N-substituted β-lactam with two enzymes, namely a penicillin acylase and an α-amino acid ester hydrolase or microorganism expressing these enzymes, with a precursor for the side chain of the β-lactam antibiotic compound has been described.
[EN] AN ENZYMATIC PROCESS FOR PREPARING beta -LACTAM COMPOUNDS<br/>[FR] PROCEDE ENZYMATIQUE POUR L'ELABORATION DE COMPOSES A BASE DE BETA-LACTAMINES
申请人:DSM NV
公开号:WO2002020819A2
公开(公告)日:2002-03-14
An enzymatic process for the preparation of a semi-synthetic β-lactam antibiotic compound by reacting an N-substituted β-lactam with two enzymes, namely a penicillin acylase and an α-amino acid ester hydrolase or microorganism expressing these enzymes, with a precursor for the side chain of the β-lactam antibiotic compound has been described.