申请人:Laboratorios Lesvi, S.L.
公开号:EP2447256A1
公开(公告)日:2012-05-02
The present invention provides a process for obtaining dronedarone or salts thereof characterized in that in an organic phase comprising one or more non-polar solvents, 5-amino-3-[4-(3-di-n-butylaminopropoxy)benzoyl]-2-n-butyl-benzofuran is reacted with methane sulfonyl chloride without the addition of a base. The invention also provides a process for obtaining intermediates of dronedarone environmentally friendly and industrially viable..
本发明提供了一种获取多瑞那酮或其盐的方法,其特征在于在包含一种或多种非极性溶剂的有机相中,将5-氨基-3-[4-(3-二正丁氨基丙氧基)苯甲酰]-2-正丁基苯并呋喃与甲磺酰氯反应,无需添加碱。该发明还提供了一种获取多瑞那酮中间体的环保和工业可行的方法。