FIELD: inorganic synthesis.
SUBSTANCE: invention relates to improved method of preparing amorphous calcium atorvastatine by dissolving crude calcium atorvastatine at heating in a lower alcohol containing 2-4 carbon atoms or in mixture of such alcohols followed by isolating amorphous calcium atorvastatine precipitated upon cooling.
EFFECT: improved preparation procedure.
4 cl, 2 dwg, 2 ex
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