ANTI-DIABETIC DERIVATIVES SYNTHESIS OF ROSIGLITAZONA.

摘要

A process for preparing rosiglitazone of formula (I), or a pharmaceutically acceptable salt thereof (See formula) method employing a 4- [2- (N-methyl-N (2-pyridylamino) ethoxy) metabisulfite intermediate complex ] benzaldehyde, a metabisulfite complex that is represented by the following formula (III) (See formula) where X represents an alkali metal.