| 发明名称 |
Process for preparing 4,4-dialkyl-2-azetidinones utilizing a pyridine (or substituted pyridine) sulfur trioxide complex |
| 摘要 |
Disclosed herein is a process for preparing a compound having the formula <IMAGE> which comprises sulfonating a compound having the formula <IMAGE> with a complex having the formula <IMAGE> and cyclizing the resulting compound having the formula <IMAGE> by treatment with a base.
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| 申请公布号 |
US4812564(A) |
申请公布日期 |
1989.03.14 |
| 申请号 |
US19870048439 |
申请日期 |
1987.05.11 |
| 申请人 |
E. R. SQUIBB & SONS, INC. |
发明人 |
SLUSARCHYK, WILLIAM A.;DEJNEKA, TAMARA |
| 分类号 |
C07D205/085;C07D213/18;C07D417/12;(IPC1-7):C07D205/08 |
主分类号 |
C07D205/085 |
| 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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