公开(公告)号：US06350883B1

公开(公告)日：2002-02-26

申请号：US09721285

申请日：2000-11-22

Applicant: Shien-Chang Chen ,  Fu-Shen Lin ,  Liang-An Hsu ,  Cheng-Lin Tsai ,  Joe-Min Lin

Inventor： Shien-Chang Chen ,  Fu-Shen Lin ,  Liang-An Hsu ,  Cheng-Lin Tsai ,  Joe-Min Lin

IPC: C07D207267

CPC classification number: C07D207/267 ,  C07D201/08

Abstract: The present invention is related to a method for preparing lactam represented by the following formula: wherein R is C2-10 alkylene which may be optionally substituted with C1-6 alkyl or phenyl; R′ is a hydrogen atom, C1-6 alkyl, C1-6 hydroxyalkyl or phenyl. The method for preparing lactam comprises an amination reaction using crystalline aluminosilicate zeolites as catalysts under the condition of gas phase in the presence of (a) lactone, (b) amine and/or ammonia and (c) water.

Abstract translation: 本发明涉及一种由下式表示的制备内酰胺的方法：其中R是可被C1-6烷基或苯基任意取代的C 2-10亚烷基; R'是氢原子，C 1-6烷基，C 1-6羟基烷基或苯基。 制备内酰胺的方法包括在（a）内酯，（b）胺和/或氨和（c）水的存在下，在气相条件下使用结晶硅铝酸盐沸石作为催化剂的胺化反应。