The present invention relates to process for the preparation of 7-[4-(4-fluorophenyl)-6-isopropyl-2-(N-methyl-N-methylsulfonylamino)pyrimidin-5-yl]-(3R,5S)-dihydroxy-(E)-6-heptenoic acid calcium having formula (I). The compound of formula (I) has adopted name "Rosuvastatin Calcium". The present invention is also related to novel intermediates of formula (4) and formula (5) used in preparation of formula (I), and process of their preparation.
本发明涉及一种制备7-[4-(4-
氟苯基)-6-异丙基-2-(N-甲基-N-甲基磺酰基
氨基)
嘧啶-5-基]-(3R,5S)-二羟基-(E)-
6-庚烯酸钙的方法,其
化学式为(I)。化合物(I)被命名为“罗伐司汀
钙”。本发明还涉及用于制备化合物(I)的新型中间体化合物(4)和化合物(5),以及它们的制备方法。