The present invention provides an efficient process for manufacturing (R)-5-[2-(5,6-diethyl-indan-2-yl-amino)-1-hydroxyethyl]-8-hydroxy-(1H)-quinolin-2-one, commonly known as indacaterol, or a pharmaceutically acceptable salt thereof, comprising intermediates of synthesis of Formula (II) and Formula (III).
本发明提供了一种高效的制造(R)-5-[2-(5,6-
二乙基-
茚-2-基
氨基)-1-羟乙基]-8-羟基-(1H)-
喹啉-2-酮,通常称为吲达帕奈或其药学上可接受的盐的过程,其中包括化合物(II)和化合物(III)的合成中间体。