发明授权
- 专利标题: Process for the preparation of 2-halogenated ergoline derivatives
- 专利标题(中): 2-卤代麦角灵衍生物的制备方法
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申请号: US58576申请日: 1987-06-05
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公开(公告)号: US4816587A公开(公告)日: 1989-03-28
- 发明人: Gabor Megyeri , Tibor Keve , Lajos Kovacs, Jr. , Bela Stefko , Erik Bogsch , Anna Kassia nee Zieger , Ferenc Trischler , Gabor Szepesi , Maria Gazdag
- 申请人: Gabor Megyeri , Tibor Keve , Lajos Kovacs, Jr. , Bela Stefko , Erik Bogsch , Anna Kassia nee Zieger , Ferenc Trischler , Gabor Szepesi , Maria Gazdag
- 申请人地址: HUX Budapest
- 专利权人: Richter Gedeon Vegyeszeti Gyar Rt.
- 当前专利权人: Richter Gedeon Vegyeszeti Gyar Rt.
- 当前专利权人地址: HUX Budapest
- 优先权: HUX2690/86 19860627
- 主分类号: C07B39/00
- IPC分类号: C07B39/00 ; C07B31/00 ; C07C67/00 ; C07D457/00 ; C07D457/02 ; C07D457/04 ; C07D519/00 ; 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.
公开/授权文献
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