The present invention relates to novel intermediate compounds used in preparing Rosuvastatin or the pharmaceutically acceptable salts thereof, to a method for preparing same, and to a method for preparing Rosuvastatin or the pharmaceutically acceptable salts thereof from the intermediates. The preparation method of the present invention has the effect of providing Rosuvastatin hemi-calcium salts with an excellent yield rate.
本发明涉及用于制备Rosuvastatin或其药用盐的新型中间化合物,以及制备相同的方法,以及从这些中间体制备Rosuvastatin或其药用盐的方法。本发明的制备方法具有提供具有优异产率的Rosuvastatin半
钙盐的效果。