发明名称 |
Process for producing caprolactam |
摘要 |
A process for preparing caprolactam by reacting 6-aminocapronitrile with water in the presence of catalysts comprises using a starting mixture of 6-aminocapronitrile and the tetrahydroazepine derivative of the formulaand conducting the reaction in liquid phase in the presence of a heterogeneous catalyst. Also describes a process for preparing said tetrahydroazepine derivative I and its use for preparing caprolactam and polycaprolactam.
|
申请公布号 |
US6683177(B1) |
申请公布日期 |
2004.01.27 |
申请号 |
US19970952208 |
申请日期 |
1997.11.06 |
申请人 |
BASF AKTIENGESELLSCHAFT |
发明人 |
FUCHS EBERHARD;MELDER JOHANN-PETER;SCHNURR WERNER;FISCHER ROLF |
分类号 |
C07D201/08;C07D223/12;(IPC1-7):C07D201/08;C07D223/10 |
主分类号 |
C07D201/08 |
代理机构 |
|
代理人 |
|
主权项 |
|
地址 |
|