[EN] METHOD FOR PREPARING PENEM ANTIBIOTIC INTERMEDIATE<br/>[FR] PROCÉDÉ DE PRÉPARATION D'UN INTERMÉDIAIRE D'ANTIBIOTIQUES PÉNEM<br/>[ZH] 一种制备培南类抗生素中间体的方法
[EN] CHIRAL 2-AZETIDINONE COMPOUNDS, PROCESS AND USE THEREOF<br/>[FR] COMPOSES 2-AZETIDINONE CHIRAUX ET LEUR PROCEDE D'UTILISATION
申请人:CKD BIO CORP
公开号:WO2004103966A1
公开(公告)日:2004-12-02
The present invention relates to a chiral 2-azetidinone compound, a method of its preparation and a use thereof. In particular, the present invention relates to a 2-azetidinone compound with superior stereoselectivity, which is obtained by the reaction between 4-acetoxy-2-azetidinone compound, and a propiophenone derivative or its salt and its use as an intermediate for manufacturing β-methylcarbapenem antibiotics.