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.
本文描述了制备苯达莫司汀及其药物盐的新方法。同时也描述了用于制备苯达莫司汀的新型化合物。
[EN] PROCESS FOR MAKING BENDAMUSTINE<br/>[FR] PROCÉDÉ DE FABRICATION DE BENDAMUSTINE
申请人:SYNTHON BV
公开号:WO2013150020A1
公开(公告)日:2013-10-10
The invention deals with a novel process, and intermediates for making the pharmaceutically useful product bendamustine of formula (1), or a pharmaceutically acceptable salt thereof, said process inter alia being based on using the compound of formula (13) as the starting material.
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.
本文描述了制备苯达莫司汀及其药用盐的新方法。同时,还描述了用于制备苯达莫司汀的新化合物。
Processes for the preparation of bendamustine
申请人:Chen Jian
公开号:US08420829B2
公开(公告)日:2013-04-16
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.