The present invention provides an improved process for the preparation of (E)-N-(4-(4- fluorophenyl)-6-isopropyl-5-(3-oxoprop- 1 -enyl)pyrimidin-2-yl)-N-methyl methanesulfon-amide, which is a useful intermediate for the preparation of (3R,5S,E)-7-(4-(4-fluorophenyl)-6- isopropyl-2-(N-methyl methylsulfonamido)pyrimidin-5-yl)-3,5-dihydroxy hept-6-enoic acid, commonly known as Rosuvastatin.
本发明提供了一种改进的方法,用于制备(E)-N-(4-(4-
氟苯基)-6-异丙基-5-(3-氧代丙-1-烯基)
嘧啶-2-基)-N-甲基甲磺酰胺,该化合物是制备罗伊舒伐他汀(Rosuvastatin)常用的中间体,罗伊舒伐他汀又名(3R,5S,E)-7-(4-(4-
氟苯基)-6-异丙基-2-(N-甲基甲磺酰胺基)
嘧啶-5-基)-3,5-二羟基
庚-6-烯酸。