Method of Preparing Clopidogrel and Intermediates Used Therein
申请人:Kim Eun Sook
公开号:US20080214821A1
公开(公告)日:2008-09-04
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.
METHOD PREPARATION CLOPIDOGREL AND INTERMEDIATES USED THEREIN
申请人:KIM Eun Sook
公开号:US20090318701A1
公开(公告)日:2009-12-24
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.