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Pantoprazole Intermediate - PFBS Crystal Forms

IP.com Disclosure Number: IPCOM000016610D
Publication Date: 2003-Jul-03

Publishing Venue

The IP.com Prior Art Database

Abstract

5-Difluoromethyoxy-2-[[3,4-dimethyoxy-2-pyridinyl]methylthio]-1H benzimidazole (PFBS) is used as intermediate in the preparation of Pantoprazole. Various samples of PFBS were analyzed by X-Ray Powder diffraction and found to contain different cyrstal forms (A, B, C).