作者:Sd. Khasim Sharif、B. Sri Ramudu、Rambabu Nunna、D. Ramachandran
DOI:10.14233/ajchem.2017.20448
日期:2017.4.30
An improved process for the preparation of dabigatran etexilate mesylate, wherein the process is substantially free to eliminates the potential impurities. The impurities are formed due to presence of contaminated starting ingredients that is present in commercially available n-hexyl chloro formate. The present invention is to control impurities by using pure n-hexanol in place of n-hexyl chloro formate. Over all yields is good and process can’t requires expensive catalysts. Dabigtran is used to prevent strokes in those with arterial fibrillation due to heart valve causes, as well as deep venous thrombosis (DVT). Moreover, the present invention is providing simple, industrial scalable and cost-effective process, which affords good quality and yield.
一种用于制备甲磺酸达比加群酯的改进工艺,该工艺基本上不存在潜在的杂质。杂质的形成是由于市售氯甲酸正己酯中存在受污染的起始成分。本发明通过使用纯正己醇代替氯甲酸正己酯来控制杂质。总体产量高,工艺不需要昂贵的催化剂。Dabigtran 可用于预防因心脏瓣膜原因引起的动脉纤颤以及深静脉血栓(DVT)。此外,本发明还提供了简单、可工业化扩展且具有成本效益的工艺,该工艺可提供良好的质量和产量。