Is a
Patent attributes
Patent Jurisdiction
Patent Number
Date of Patent
January 26, 2010
Patent Application Number
11917794
Date Filed
November 28, 2005
Patent Primary Examiner
Patent abstract
Optically pure clopidogrel can be prepared in a high yield by optically resolving a racemic form of the compound of formula (II) using an optically active amine to form the optically active form of the compound of formula (III) or its acid-addition salt; and methylating the compound of formula (III) or its acid-addition salt.
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