novel process for preparing 1- (6-methylpyridin-3-yl) -2- 4- (methylsulfonyl) phenyl ethanone, an intermediate etoricoxib

摘要

The present invention refers to a novel process for the preparation of 1-(6-methylpyridin-3-yl)-2-[4-(methylsulfonyl)phenyl]ethanone, an intermediate of the synthesis of Etoricoxib, an active ingredient on which the Arcoxia drug is based.