FOERFARANDE FOER FRAMSTAELLNING AV 2-BROM- -ERGOKRYPTIN

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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Bibliographische Detailangaben
Hauptverfasser:	KEVE,TIBOR, STEFKO,BELA, BOGSCH,ERIK, GAZDAG,MARIA, KASSAI NEE ZIEGER,ANNA, TRISCHLER,FERENC, MEGYERI,GABOR, SZEPESI,GABOR, KOVACS,JR., LAJOS
Format:	Patent
Sprache:	fin ; swe
Schlagworte:	ACYCLIC OR CARBOCYCLIC COMPOUNDS APPARATUS THEREFOR CHEMISTRY GENERAL METHODS OF ORGANIC CHEMISTRY HETEROCYCLIC COMPOUNDS HUMAN NECESSITIES HYGIENE MEDICAL OR VETERINARY SCIENCE METALLURGY ORGANIC CHEMISTRY PREPARATIONS FOR MEDICAL, DENTAL, OR TOILET PURPOSES
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Beschreibung
Zusammenfassung:	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.