KEY INTERMEDIATES FOR THE SYNTHESIS OF ROSUVASTATIN OR PHARMACEUTICALLY ACCEPTABLE SALTS THEREOF

摘要

The present invention relates in general to the field of organic chemistry and in particular to the preparation of N-(4-(4-fluorophenyl)-6-isopropyl-5-methylpyrimidin-2-yl)-N-methylmethanesulfonamide (I), N-(4-(4-fluorophenyl)-5-(bromomethyl)-6-isopropylpyrimidin-2-yl)-N-methylmethanesulfonamide (II) and N-(4-(4-fluorophenyl)-5-(hydroxymethyl)-6-isopropylpyrimidin-2-yl)-N-methylmethanesulfonamide (III), key intermediates in preparation of rosuvastatin.