PROCESS FOR THE PREPARATION OF CLOPIDOGREL HYDROGEN SULFATE CRYSTALLINE FORM I
摘要
The present invention relates to a process for the preparation of clopidogrel and, more particularly, to an improved process for the preparation of clopidogrel hydrogen sulfate crystalline Form I by addition of dilute sulfuric acid to a solution of clopidogrel free base in butyl acetate.
申请公布号
WO2009156279(A3)
申请公布日期
2011.01.13
申请号
WO2009EP57228
申请日期
2009.06.11
申请人
ZACH SYSTEM S.P.A.;SORIATO, GIORGIO;BRESCELLO, ROBERTO;URBANI, DANIELE;COTARCA, LIVIUS
