发明名称 AN IMPROVED 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 is industrially viable.
申请公布号 EP2760842(B1) 申请公布日期 2016.11.16
申请号 EP20120762073 申请日期 2012.07.31
申请人 FRESENIUS KABI ONCOLOGY LTD 发明人 MISHRA, BHUWAN BHASKAR;KACHHADIA, NIKUNJ SHAMBHUBHAI;TOMAR, VINOD SINGH;LAHIRI, SASWATA
分类号 C07D235/16;A61K31/4184;A61P35/00 主分类号 C07D235/16
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