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罗舒伐他汀或其药学上可接受的盐的新型中间化合物,以及制备该中间体的方法和从中间体制备罗舒伐他汀或其药学上可接受的盐的方法。本发明的制备方法具有提供罗舒伐他汀半
钙盐的优异收率的效果。