Process for preparing a polymorph of rosiglitazone maleate

Process for preparing a polymorph of rosiglitazone maleate

A crystallization process for preparing a polymorph of rosiglitazone maleate (Compound 1), and a process for preparing Compound 1 with a polymorphic purity that is suitable for use as a seed material in a crystallization process for preparing Compound 1.

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Bibliographische Detailangaben
1. Verfasser: CRAIG ANDREW SIMON,GILES ROBERT GORDON,HO TIM CHIEN TING,SASSE MICHAEL JOHN
Format: Patent
Sprache:eng
Schlagworte:
CHEMISTRY
HETEROCYCLIC COMPOUNDS
METALLURGY
ORGANIC CHEMISTRY
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Beschreibung
Zusammenfassung:A crystallization process for preparing a polymorph of rosiglitazone maleate (Compound 1), and a process for preparing Compound 1 with a polymorphic purity that is suitable for use as a seed material in a crystallization process for preparing Compound 1.