[EN] A PROCESS FOR THE PREPARATION OF ETORICOXIB<br/>[FR] PROCÉDÉ DE PRÉPARATION D'ÉTORICOXIB
申请人:CADILA HEALTHCARE LTD
公开号:WO2010097802A2
公开(公告)日:2010-09-02
The present invention provides a improved process for preparing Etoricoxib using substituted β-chlorovinaniidinium salts containing a cyclic group, optionally containing a heteroatom. The present invention also provides a process for the preparation of the intermediate β-chlorovinamidinium salts. In one of the embodiments is provided a process for the purification of Etoricoxib as well as the intermediates.