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公开(公告)号：HU220771B1
公开(公告)日：2002-05-28
申请号：HU9802505
申请日：1996-05-07
Applicant: BASF AG
IPC: C07D201/08 , C07D223/12
Abstract: 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.
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