Process for purification of anastrozole

Details Process for purification of anastrozole Process for purification of anastrozole

2007-05-18

2010-02-02

Saeed, Kamal A (Department: 1626)

Organic compounds -- part of the class 532-570 series

Organic compounds

Heterocyclic carbon compounds containing a hetero ring...

C548S262200

Reexamination Certificate

active

07655806

ABSTRACT:
Anastrozole can be purified by crystallization from an aqueous-based solvent system. The aqueous-based solvent system can contain dilute acid, or an alcohol or both.

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patent: 0 296 749 (1994-10-01), None
patent: WO 2005/105762 (2005-11-01), None
patent: WO 2006/000836 (2006-01-01), None

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