Method for preparing unformed Atorvastatin calcium by using crystalline Atorvastatin sodium

This invention discloses a method for preparing amorphous atorvastatin calcium from crystalline atorvastatin sodium. The method comprises: (1) adding crystalline atorvastatin sodium 1 part into a reactor with stirrer, adding water-saturated n-butanol, isobutanol, butanone, 2-methyltetrahydrofuran or...

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Bibliographic Details
Main Authors CHEN ZHIRONG, CHEN ZHENGXU, JIN FANGFEI
Format Patent
LanguageChinese
English
Published 26.12.2007
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