917805-74-4Relevant articles and documents
Method for the preparation of high purity Rosuvastatin Calcium salt
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, (2017/01/17)
The present invention relates to a method for manufacturing a Rosuvastatin calcium salt by using a Rosuvastatin tert-butyl amine salt, and to a method for manufacturing a high purity Rosuvastatin calcium salt, which has impurities less than 0.1% of a diastereomer. The manufacturing method of a high purity Rosuvastatin calcium salt comprises the steps of: 1) manufacturing a compound represented by chemical formula III by reducing a compound represented by chemical formula IV; 2) manufacturing a compound represented by chemical formula II by adding t-butyl amine; and 3) manufacturing a compound represented by chemical formula I by adding a calcium ion to the compound represented by chemical formula II.COPYRIGHT KIPO 2016
AMINE SALTS OF PITAVASTATIN AND ROSUVASTATIN
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Page/Page column 16; 17, (2014/10/15)
The present invention relates to oxygen-comprising amine salts of HMG-CoA reductase inhibitors, to a method of producing said amine salts and to the use of said amine salts in the production of pharmaceutically acceptable salts of HMG-CoA reductase inhibi
NOVEL INTERMEDIATES FOR THE PREPARATION OF HMG-CoA REDUCTASE INHIBITORS
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, (2013/06/27)
The present invention provides a process for preparing novel intermediates of Formula wherein, R1 can be hydrogen, C1-C4 alkyl, halogen, nitro, hydroxy, or C1-C4 alkoxy; Rx can be selected from hydrophobic residue of HMG-CoA reductase inhibitors; which can be effectively used for the preparation of HMG-CoA reductase inhibitors such as rosuvastatin and pharmaceutically acceptable salts thereof.