PROCESS FOR PREPARATION OF BENZAZEPINE

This invention discloses a process for manufacture of galanthamine, which involves a stereoselective reduction step to get the desired isomer of galanthamine. The current embodiment also discusses the method for improving the chiral and chemical purity of galanthamine and galanthamine salts. La prés...

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Main Authors GHARPURE, MILIND, MORESHWAR, GOVANKAR, MANGALA, BABU, ZOPE, UMESH, REWAJI, MEHTA, SATISH, RAMANLAL, BHAWAL, BABURAO, MANIKRAO
Format Patent
LanguageEnglish
French
Published 13.07.2006
Subjects
CHEMISTRY
HETEROCYCLIC COMPOUNDS
METALLURGY
ORGANIC CHEMISTRY
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Summary:This invention discloses a process for manufacture of galanthamine, which involves a stereoselective reduction step to get the desired isomer of galanthamine. The current embodiment also discusses the method for improving the chiral and chemical purity of galanthamine and galanthamine salts. La présente invention concerne un procédé pour préparer de la galanthamine, qui comprend une étape de réduction stéréosélective permettant d'obtenir l'isomère de galanthamine souhaité. Ce mode de réalisation concerne aussi un procédé pour améliorer la pureté chirale et chimique de galanthamine et de sels de galanthamine.
Bibliography:Application Number: WO2005IB03804