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公开(公告)号:US4816587A
公开(公告)日:1989-03-28
申请号:US58576
申请日:1987-06-05
申请人: Gabor Megyeri , Tibor Keve , Lajos Kovacs, Jr. , Bela Stefko , Erik Bogsch , Anna Kassia nee Zieger , Ferenc Trischler , Gabor Szepesi , Maria Gazdag
发明人: Gabor Megyeri , Tibor Keve , Lajos Kovacs, Jr. , Bela Stefko , Erik Bogsch , Anna Kassia nee Zieger , Ferenc Trischler , Gabor Szepesi , Maria Gazdag
IPC分类号: C07B39/00 , C07B31/00 , C07C67/00 , C07D457/00 , C07D457/02 , C07D457/04 , C07D519/00 , C07D519/02
CPC分类号: C07D457/04 , C07D457/00 , C07D457/02 , C07D519/02
摘要: The invention relates to a novel process for the halogenation in 2-position of ergot alkaloids. The process is characterized by that as a halogenating agent a system consisting of dimethylsulfoxide, a trialkylhalosilane or triarylhalosilane and optionally a hydrogen halide is used.
摘要翻译: 本发明涉及麦角生物碱2-位卤化的新方法。 该方法的特征在于,作为卤化剂,使用由二甲基亚砜,三烷基卤硅烷或三芳基卤代硅烷和任选的卤化氢组成的体系。