参考标题:Process For The Preparation Of Bendamustine Hydrochloride 摘要: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.