PROCESS FOR THE MANUFACTURE OF (R)-5-[2-(5,6-DIETHYLINDAN-2-YLAMINO)-1-HYDROXYETHYL]-8-HYDROXY-(1H)-QUINOLIN-2-ONE

摘要

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).