METHODS FOR THE PREPARATION OF INDACATEROL AND PHARMACEUTICALLY ACCEPTABLE SALTS THEREOF
申请人:CRYSTAL PHARMA S.A.U.
公开号:US20150225346A1
公开(公告)日:2015-08-13
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.
本发明涉及制备Indacaterol及其药用可接受盐的新的和改进的工艺,以及制备Indacaterol的中间体。新的工艺避免了在艺术中已知的环氧化合物及其相关杂质的使用,并且产量更高。