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公开(公告)号:EP0634997A4
公开(公告)日:1995-04-26
申请号:EP93907550
申请日:1993-03-17
发明人: DURANT GRAHAM J , MAGAR SHARAD S
IPC分类号: C07B61/00 , C07C277/02 , C07C277/08 , C07C279/18 , C07D213/75 , C07D215/38 , C07D215/40 , C07D217/02 , C07D311/18 , C07D213/74 , C07D217/22 , C07D255/02 , C07D311/02
CPC分类号: C07D213/75 , C07C277/02 , C07C277/08 , C07C279/18 , C07D215/38 , C07D215/40 , C07D217/02
摘要: A process for the preparation of a substituted guanidine by reacting a substituted cyanamide with ammonia or a substituted amine in the presence of a Lewis acid catalyst. Also disclosed is a process for the preparation of a tri-substituted guanidine by reacting a mono-substituted cyanamide with a di-substituted amine.