The invention relates to new and improved processes for the preparation of Indacaterol and pharmaceutically acceptable salts thereof as well as intermediates for the preparation of Indacaterol. The new process avoids the use of the epoxide compound known in the art and the impurities associated therewith and results in a higher yield.
本发明涉及一种制备
吲哚卡特罗及其药学上可接受的盐的新的和改进的工艺,以及制备
吲哚卡特罗的中间体。新的工艺避免了在艺术上已知的环氧化合物及其相关杂质的使用,并且产量更高。