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公开(公告)号:US06583281B2
公开(公告)日:2003-06-24
申请号:US09851346
申请日:2001-05-09
申请人: Arnd Böttcher , Rolf Pinkos , Rudolf Erich Lorenz , Hansjörg Nickel , Jihong He
发明人: Arnd Böttcher , Rolf Pinkos , Rudolf Erich Lorenz , Hansjörg Nickel , Jihong He
IPC分类号: C07D22310
CPC分类号: C07D279/20 , C07D201/18
摘要: The invention provides an N-alkenyllactam having at least a 6-membered lactam ring, stabilized by phenothiazine and/or derivatives thereof, and a process for the stabilization of N-alkenyllactams.