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

摘要

The present invention relates to a process for preparing 1-(6-methylpyridin-3-yl)-2-[4-(methylsulfonyl)phenyl]ethanone, an intermediate of the synthesis of Etoricoxib. The synthesis of the intermediates useful for such preparation is also described.