131666-49-4Relevant articles and documents
New Statin intermediate, the preparation of the same and the preparation of Rosuvastatin using the same
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, (2017/04/20)
The present invention provides a novel producing method for producing a core intermediate (chemical formula IV) of rosuvastatin, a novel intermediate used therefor and a producing method of rosuvastatin hemi-calcium salts using the same. The novel intermediate of the present invention can be prepared with high purity and in high yields in mild conditions, and thus the rosuvastatin intermediate and rosuvastatin hemi-calcium salts can be conveniently and efficiently mass-produced without complicated processes.