申请人:SANOFI
公开号:US20150031902A1
公开(公告)日:2015-01-29
The invention relates to a novel process for the preparation of dronedarone (I) and pharmaceutically acceptable salts thereof which comprises oxidizing a compound of formula (IV) or a salt thereof with an oxidizing agent in an organic or inorganic solvent or solvent mixture, and isolating the obtained product and, if desired, converting it into a pharmaceutically acceptable salt thereof. Further aspects of the invention include the novel intermediary compound of formula (IV), and a process for the preparation thereof.
本发明涉及一种制备多瑞纳酮(I)及其药学上可接受的盐的新工艺,其包括在有机或无机溶剂或溶剂混合物中,用氧化剂氧化公式(IV)化合物或其盐,并分离所得产物,如有需要,将其转化为其药学上可接受的盐。本发明的进一步方面包括公式(IV)的新中间体化合物及其制备方法。