| 发明名称 |
3-CEPHEM DERIVATIVE CRYSTAL AND METHOD FOR PREPARING THE SAME |
| 摘要 |
<p>A process for preparing 3-cephem derivative crystals, the process comprising crystallizing a 3-cephem derivative in the form of amorphous powder or oil using a good solvent, and a poor solvent comprising carbon dioxide in a supercritical or subcritical state to give a 3-cephem derivative in crystalline form, and 3-cephem derivative crystals.</p> |
| 申请公布号 |
EP1227100(A1) |
申请公布日期 |
2002.07.31 |
| 申请号 |
EP20000962912 |
申请日期 |
2000.09.28 |
| 申请人 |
OTSUKA KAGAKU KABUSHIKI KAISHA |
发明人 |
MORIYOSHI, TAKASHI;UOSAKI, YASUHIRO;KAMEYAMA,YUTAKA;SUZUKI, DAISUKE;SEO, YOSHIKO |
| 分类号 |
C07D501/00;C07D501/12;C07D501/24;(IPC1-7):C07D501/12 |
主分类号 |
C07D501/00 |
| 代理机构 |
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