Is a
Patent attributes
Current Assignee
Patent Jurisdiction
Patent Number
Date of Patent
October 6, 2009
Patent Application Number
11568610
Date Filed
May 3, 2005
Patent Primary Examiner
Patent abstract
A process of preparing rosiglitazone, or a pharmaceutically acceptable salt thereof, which process employs an intermediate metabisulphite complex of 4-[2-(N-methyl-N-(2-pyridyl)amino)ethoxy]benzaldehyde, which metabisulphite complex is represented by following formula (III):
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