| 发明名称 |
Methods and intermediates for preparing cis-4-oxoazetidine intermediates |
| 摘要 |
The stereospecific cycloaddition of nitrogen containing acetic acid halides or anhydrides with Schiff bases having a carbalkoxy group substituted on the methine carbon atom offers new intermediates and methods for preparing synthetic cephalosporin congeners having antibacterial activity.
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| 申请公布号 |
US4166816(A) |
申请公布日期 |
1979.09.04 |
| 申请号 |
US19770821386 |
申请日期 |
1977.08.03 |
| 申请人 |
SMITHKLINE CORP |
发明人 |
GLEASON, JOHN G;HOLDEN, KENNETH G;HUFFMAN, WILLIAM F |
| 分类号 |
A61K31/54;C07D205/08;C07D205/085;C07D263/38;C07D513/04;(IPC1-7):C07D205/08;C07D403/04 |
主分类号 |
A61K31/54 |
| 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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