| 发明名称 |
PROCESS FOR THE PREPARATION OF AZETIDINONES |
| 摘要 |
<p>Azetidinones are prepared by cleaving the thiazolidine ring of a penam using an acyl or aroyl nitrate followed by treatment with an organic base. The resulting azetidinones are intermediates in the preparation of antibacterially active penems.</p> |
| 申请公布号 |
CA1252471(A) |
申请公布日期 |
1989.04.11 |
| 申请号 |
CA19840458649 |
申请日期 |
1984.07.11 |
| 申请人 |
SCHERING CORPORATION |
发明人 |
STEINMAN, MARTIN;WONG, YEE S. |
| 分类号 |
C07D205/08;C07D499/88;(IPC1-7):C07D205/08;C07F7/10 |
主分类号 |
C07D205/08 |
| 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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