Title:
【発明の名称】2-ハロゲン化エルゴリン誘導体の製法
Document Type and Number:
Japanese Patent JPH085879
Kind Code:
B2
Abstract:
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.
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Inventors:
Garbol Megeri
Tibor kebe
Layos Kovace Jr.
Bella Stepco
Eric Bogstu
Anna Cassai
Ferenc Tristula
Garbol pepesi
Maria gazdag
Tibor kebe
Layos Kovace Jr.
Bella Stepco
Eric Bogstu
Anna Cassai
Ferenc Tristula
Garbol pepesi
Maria gazdag
Application Number:
JP15794987A
Publication Date:
January 24, 1996
Filing Date:
June 26, 1987
Export Citation:
Assignee:
Richter-Gedeon Béjésetie Jahru Aru.
International Classes:
A61K31/48; C07B31/00; C07C67/00; C07B39/00; C07D457/00; C07D457/02; C07D457/04; C07D519/00; C07D519/02; (IPC1-7): C07D457/00; C07B39/00; C07D519/00
Attorney, Agent or Firm:
Aoki Akira (4 outside)