[EN] METHODS FOR THE PREPARATION OF INDACATEROL AND PHARMACEUTICALLY ACCEPTABLE SALTS THEREOF<br/>[FR] PROCÉDÉS DE PRÉPARATION D'INDACATÉROL ET DE SES SELS PHARMACEUTIQUEMENT ACCEPTABLES
申请人:CRYSTAL PHARMA SA
公开号:WO2014044288A1
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。新工艺避免了在艺术中已知的环氧化合物的使用及相关的杂质,并且产量更高。