发明名称 PROCESS FOR THE PURIFICATION OF A 3-CEPHEM-4-CARBOXYLIC ACID DERIVATIVE.
摘要 <p>The invention relates to a new process for the production of pharmaceutically active cephalosporines by depletion of 7-amino-3-Ä(E)-1-propen-1-ylÜ-3- cephem-4-carboxylic acid in mixtures of 7-amino-3-Ä(Z)-1-propen-1-ylÜ-3- cephem-4-carboxylic acid and 7-amino-3-Ä(E)-1-propen-1-ylÜ-3-cephem-4-carboxylic acid, by means of a metal or amine salt of 7-amino-3-Ä(Z/E)-1-propen-1-ylÜ-3-cephem-4-carboxylic acid.</p>
申请公布号 GR3036985(T3) 申请公布日期 2002.01.31
申请号 GR20010401855T 申请日期 2001.10.23
申请人 BIOCHEMIE GESELLSCHAFT M.B.H. 发明人 LUDESCHER, JOHANNES;PRAGER, BERNHARD;WOLF, SIEGFRIED
分类号 C07D501/04;C07D501/00;C07D501/06;C07D501/12;C07D501/18;C07D501/22;(IPC1-7):C07D501/00 主分类号 C07D501/04
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