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PROCESS FOR THE MANUFACTURE OF ENANTIOMERICALLY PURE ANTIFUNGAL AZOLES AS RAVUCONAZOLE AND ISAVUCONAZOLE
PROCESS FOR THE MANUFACTURE OF ENANTIOMERICALLY PURE ANTIFUNGAL AZOLES AS RAVUCONAZOLE AND ISAVUCONAZOLE
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机译:制造对映体纯的抗真菌偶氮类药物拉维康唑和异戊康唑的方法
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摘要
Methods for the preparation of enantiomerically pure azole compounds of formula I are disclosed. In particular resolution of a racemic mixture of a compound of formula I is performed by addition of a chiral acid, collection of the desired diastereomer followed by conversion of the salt into an enantiomerically pure form of the compound of formula I by treatment with a base or ion-exchange resin. Also disclosed is a method of resolving a racemic precursor of formula I followed by reaction of the enantiomerically pure precursor to form a compound of formula I.
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