AN IMPROVED PROCESS FOR THE PREPARATION OF VALSARTAN

The present invention relates to a process for the preparation of pure Valsartan (I) substantially free from impurities of formulae (la), (lb), and (Ic), which comprises: (i) condensing 2-(4'-bromomethylphenyl)benzonitrile of formula (II) with L-valine methyl ester hydrochloride of formula (V)...

Ausführliche Beschreibung

Bibliographische Detailangaben

Hauptverfasser:	AMINUL, ISLAM, BUDIDET, SHANKAR REDDY, CHINTA, RAVEENDRA REDDY, NAYINI, MAHENDAR REDDY, YALLAPPA, SOMAPPA SOMANNAVAR, NANGI, GANGADHARA BHIMA SHANKAR, MEENAKSHISUNDERAM, SIVAKUMARAN
Format:	Patent
Sprache:	eng ; fre
Schlagworte:	CHEMISTRY HETEROCYCLIC COMPOUNDS METALLURGY ORGANIC CHEMISTRY
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