| 发明名称 |
PROCESS FOR PREPARING CERTAIN SUBSTITUTED CAPROLACTAMS |
| 摘要 |
The present invention relates to an improved process for preparing certain substituted caprolactam compounds which comprises acylating an aminocaprolactam compound with a lactone compound in the presence of a weak base and a polar, organic solvent, and hydrolyzing the resultant diamide compound in a mixture of solvents to obtain the desired caprolactam compound.
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| 申请公布号 |
WO02072555(A1) |
申请公布日期 |
2002.09.19 |
| 申请号 |
WO2002EP02664 |
申请日期 |
2002.03.11 |
| 申请人 |
NOVARTIS AG;NOVARTIS-ERFINDUNGEN VERWALTUNSGESELLSCHAFT M.B.H.;LIU, WENMING;XU, DAVID, DAQIANG |
发明人 |
LIU, WENMING;XU, DAVID, DAQIANG |
| 分类号 |
C07D223/12;(IPC1-7):C07D223/12 |
主分类号 |
C07D223/12 |
| 代理机构 |
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