Process for the preparation of 2-halogenated ergoline derivatives
申请人:Richter Gedeon Vegyeszeti Gyar Rt.
公开号:US04816587A1
公开(公告)日:1989-03-28
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.