NOVEL PROCESS FOR THE PREPARATION OF CRYSTALLINE VENLAFAXINEHYDROCHLORIDE

NOVEL PROCESS FOR THE PREPARATION OF CRYSTALLINE VENLAFAXINEHYDROCHLORIDE

The claimed invention provides a novel methods of preparing Venlafaxine hydrochloride Form B. The process comprises the steps of dissolving any form of Venlafaxine hydrochloride either in water or in mixture of water and suitable solvent, azeotropically removin g the water from said solution. It als...

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Bibliographische Detailangaben
Hauptverfasser: VOHRA, IRFAN FARUQBHAI, DESHPANDE, PANDURANG BALWANT, RATHOD, DHIRAJ MOHANSINH
Format: Patent
Sprache:eng ; fre
Schlagworte:
ACYCLIC OR CARBOCYCLIC COMPOUNDS
CHEMISTRY
METALLURGY
ORGANIC CHEMISTRY
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Beschreibung
Zusammenfassung:The claimed invention provides a novel methods of preparing Venlafaxine hydrochloride Form B. The process comprises the steps of dissolving any form of Venlafaxine hydrochloride either in water or in mixture of water and suitable solvent, azeotropically removin g the water from said solution. It also comprises the steps of suspending any form of Venlafaxine Hydrochloride in suitable solvent, seeding Venlafaxine Hydrochloride Form B to said suspensio n and isolating crystalline Venlafaxine hydrochloride Form B.