Method for preparing rosuvastatin, intermediate compounds useful for preparing same, and method for preparing same
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United States of America Patent
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Sep 3, 2013
Grant Date -
May 31, 2012
app pub date -
Apr 8, 2010
filing date -
Jun 5, 2009
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Abstract
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.
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