[EN] REDUCTIVE ANIMATION PROCESS FOR PREPARATION OF DRONEDARONE USING ALDEHYDE INTERMEDIARY COMPOUND<br/>[FR] PROCÉDÉ D'AMINATION RÉDUCTRICE POUR LA PRÉPARATION DE DRONÉDARONE, UTILISANT UN COMPOSÉ INTERMÉDIAIRE ALDÉHYDE
申请人:SANOFI SA
公开号:WO2013014479A1
公开(公告)日:2013-01-31
The invention relates to a novel process for preparation of dronedarone of formula (I) and pharmaceutically acceptable salts thereof, characterized in that the compound of formula (II) is reacted with dibutylamine of formula (III), under reducing circumstances, and the obtained product is isolated and, if desired, converted into a pharmaceutically acceptable salt thereof, The invention also relates to some novel intermediary compounds and the preparation thereof.
本发明涉及一种制备式(I)的多萝纳龙及其药学上可接受的盐的新工艺,其特征在于将式(II)的化合物在还原情况下与式(III)的二丁基胺反应,随后分离所得产物并在需要时转化为其药学上可接受的盐。本发明还涉及一些新的中间体化合物及其制备方法。