发明名称 |
Process for the preparation of epsilon-caprolactam |
摘要 |
A process for the preparation of epsilon -caprolactam starting from 6-aminocaproic acid, 6-aminocaproamide, 6-aminocaproic ester, 6-aminocapronitrile, oligomers or polymers of these compounds or mixtures comprising at least two of these compounds, which process is performed in the presence of N-(5-carboxypentyl)- epsilon -caprolactam and/or derivative thereof in an amount of less than 50 wt.% and more than 0.1 wt.% (based on the total reaction mixture). |
申请公布号 |
EP1122241(A1) |
申请公布日期 |
2001.08.08 |
申请号 |
EP20000200365 |
申请日期 |
2000.02.03 |
申请人 |
DSM N.V. |
发明人 |
AGTERBERG, FRANK PETRUS WILLIBRORD;GUIT, RUDOLF PHILIPPUS MARIA;OFFERMANS, MATTHIAS ROBERT JOZEF |
分类号 |
C07D223/10;C07D201/08;C07D201/12 |
主分类号 |
C07D223/10 |
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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