abstract |
The present invention relates to a novel, industrially viable and cost effective process for preparation of bis[(E)-7-[4-(4-fluorophenyl)-6-isopropyl-2-[methyl(methylsulfonyl)amino] pyrimidin-5-yl](3R,5S)-3,5-dihydroxyhept-6-enoic acid] calcium salt, commonly known as Rosuvastatin calcium (1). |