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 |
代理机构 |
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代理人 |
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主权项 |
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地址 |
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