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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Main Authors | , , |
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Format | Patent |
Language | Chinese English |
Published |
26.12.2007
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Subjects | |
Online Access | Get full text |
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