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 |
US6545148(B2) |
申请公布日期 |
2003.04.08 |
申请号 |
US20020095325 |
申请日期 |
2002.03.11 |
申请人 |
NOVARTIS AG |
发明人 |
XU DAVID DAQIANG;LIU WENMING |
分类号 |
C07D223/12;(IPC1-7):C07D223/12;C07D223/10 |
主分类号 |
C07D223/12 |
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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