| 发明名称 |
PROCESSES FOR THE PRODUCTION OF 2-ISOCEPHEM DERIVATIVES |
| 摘要 |
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> |
| 申请公布号 |
EP0759437(A4) |
申请公布日期 |
1997.06.11 |
| 申请号 |
EP19960905005 |
申请日期 |
1996.03.06 |
| 申请人 |
OTSUKA KAGAKU KABUSHIKI KAISHA |
发明人 |
SASAOKA, MICHIO;SUZUKI, DAISUKE;SUH, DELSOO;TOKUMARU, Y. |
| 分类号 |
C07D513/04;A61K31/54;A61P31/04;C07D205/08;C07D498/04;C07D501/00;C07D507/08 |
主分类号 |
C07D513/04 |
| 代理机构 |
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代理人 |
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| 主权项 |
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