PROCESS FOR THE PREPARATION OF BENDAMUSTINE HYDROCHLORIDE
申请人:FRESENIUS KABI ONCOLOGY LIMITED
公开号:US20140121383A1
公开(公告)日:2014-05-01
The present invention relates to an improved process for the synthesis of bendamustine, in particular, bendamustine hydrochloride of the formula (VI) and its intermediate 1-Methyl-5-[bis(2-chloroethyl)amino]-1H-benzimidazol-2-yl]lithium butanoate of formula (V), both having a purity of ≧99%, which is simple, convenient, economical, does not use hazardous chemicals and industrially viable.
[EN] PROCESSES FOR THE PREPARATION OF BENDAMUSTINE<br/>[FR] PROCÉDÉS POUR LA PRÉPARATION DE BENDAMUSTINE
申请人:CEPHALON INC
公开号:WO2010042568A1
公开(公告)日:2010-04-15
New methods for the preparation of bendamustine, and the pharmaceutical salts thereof, are described. Novel compounds useful for the preparation of bendamustine are also described.
New methods for the preparation of bendamustine, and the pharmaceutical salts thereof, are described. Novel compounds useful for the preparation of bendamustine are also described.