申请人:Hetero Research Foundation
公开号:US20140121384A1
公开(公告)日:2014-05-01
The present invention provides a process for the preparation of 1H-benzimidazol-1-methyl-5-N,N-di(2-hydroxyethyl)-2-butanoic acid ethyl ester. The present invention also provides a process for the preparation of bendamustine hydrochloride. The present invention further provides a process for the purification of bendamustine hydrochloride.
本发明提供了一种制备1H-苯并咪唑-1-甲基-5-N,N-二(2-羟乙基)-2-丁酸乙酯的方法。本发明还提供了一种制备盐酸苯达莫司汀的方法。本发明还提供了一种盐酸苯达莫司汀的纯化方法。