[EN] METHODS FOR THE PREPARATION OF INDACATEROL AND PHARMACEUTICALLY ACCEPTABLE SALTS THEREOF<br/>[FR] PROCÉDÉS DE PRÉPARATION D'INDACATÉROL ET DE SELS PHARMACEUTIQUEMENT ACCEPTABLES DE CELUI-CI
申请人:CRYSTAL PHARMA SAU
公开号:WO2014044566A1
公开(公告)日:2014-03-27
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.
该发明涉及一种新的改进工艺,用于制备Indacaterol及其药用可接受的盐,以及用于制备Indacaterol的中间体。这种新工艺避免了在现有技术中已知的环氧化合物的使用以及相关的杂质,并且产率更高。