[EN] PROCESS FOR THE PRODUCTION OF CEPHALOSPORINS<br/>[FR] PROCÉDÉ DE PRODUCTION DE CÉPHALOSPORINES
申请人:DSM SINOCHEM PHARM NL BV
公开号:WO2012032040A1
公开(公告)日:2012-03-15
The present invention relates to a composition comprising ≥85 wt% of an N-deacylated cephalosporin, a process for making the same and the use of said N-deacylated cephalosporin in the preparation of highly pure semi synthetic cephalosporins.