The invention relates to a novel process for preparation of drohedarone of formula (I) and pharmaceutically acceptable salts thereof characterized in that a compound of formula (II) is reacted in the presence of a reductive agent with butyraldehyde and/or butanoic acid, and isolating the obtained product and, if desired, converting it into a pharmaceutically acceptable salt thereof. The invention also relates to some hovel intermediary compounds and the preparation thereof.
这项发明涉及一种新型制备式(I)的多赫达鲁酮及其药用可接受盐的方法,其特征在于在还原剂存在下,化合物式(II)与
丁醛和/或
丁酸反应,并分离得到的产物,如有需要,将其转化为药用可接受盐。该发明还涉及一些新颖的中间体化合物及其制备方法。