The present invention relates to an improved process for preparing (2E)-3-[4-(4-fluorophenyl)-6-isopropyl-2-(N-methyl-N-methylsulfonylamino)pyrimidin-5-yl]-propenal of formula (I), which is an useful intermediate in the preparation of Rosuvastatin.
本发明涉及一种改进的制备(2E)-3-[4-(4-
氟苯基)-6-异丙基-2-(N-甲基-N-甲磺酰
氨基)
嘧啶-5-基]-
丙烯醛(式(I))的方法,该方法是罗伐司汀制备中有用的中间体。