The present invention relates to novel process for the preparation of [(E)-7-[4-(4-fluorophenyl)-6-isopropy 1-2-isopropyl-2-[methyl (methyllsulfonyl)amino] pyrimidin-5-yl](3R,5S)-3,5-dihydroxyhept-6-enoicacid] calcium salt using novel intermediates. Novel intermediate compounds and processes for the selective synthesis of Rosuvastatin calcium of the formula (I) using these novel intermediate compounds are disclosed. In one aspect, the present invention relates to a process for the preparation of Rosuvastatin or a pharmaceutically acceptable salt thereof of Formula I.
本发明涉及一种新的制备[(E)-7-[4-(4-
氟苯基)-6-异丙基-2-异丙基-2-[甲基(甲基磺酰)
氨基]
嘧啶-5-基](3R,5S)-3,5-二羟基
庚-6-烯酸]
钙盐的方法,使用新的中间体。本发明揭示了新的中间体化合物和用这些新的中间体化合物进行Rosuvastatin
钙盐的选择性合成的方法。在一方面,本发明涉及一种制备Rosuvastatin或其药学上可接受的盐的公式I的方法。