| 发明名称 |
Process for preparing 2-oxaisocephem derivatives |
| 摘要 |
<p>2-Oxaisocephem derivatives of structure (3) are prepared by a process wherein a base is caused to act on a 2-azetidinyl-3,4-dihalogeno-2-butenoic acid compound of structure (1) in a water-containing organic solvent to obtain a 3-halomethyl 2-oxaisocephem derivative. <CHEM></p> |
| 申请公布号 |
EP1201670(A2) |
申请公布日期 |
2002.05.02 |
| 申请号 |
EP20010130990 |
申请日期 |
1996.03.06 |
| 申请人 |
OTSUKA KAGAKU KABUSHIKI KAISHA |
发明人 |
SASAOKA, MICHIO;SUZUKI, DAISUKE;SUH, DELSOO;TOKUMARU, YOSHIHISA |
| 分类号 |
C07D513/04;A61K31/54;A61P31/04;C07D205/08;C07D498/04;C07D501/00;C07D507/08;(IPC1-7):C07D507/08 |
主分类号 |
C07D513/04 |
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