The invention relates to a novel process for the preparation of dronedarone (I) and pharmaceutically acceptable salts thereof, which comprises reacting of compound of formula (IV) with compound of formula (VI) in a Grignard reaction, 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 processes for the preparation thereof.
本发明涉及一种制备多
吡酮(I)及其药学上可接受的盐的新工艺,包括将化合物IV和化合物VI在格氏反应中反应,然后分离所得产物,并在需要时将其转化为药学上可接受的盐。本发明还涉及一些新的中间体化合物及其制备方法。