Process for preparing 5- (2 - {[6- (2,2-difluoro-2-phenylethyloxy) hexyl] amino} -1 (r) -hydroxyethyl) -8-hydroxyquinolin-2 (1h) -one via an intermediate
Patent Application: "Process for preparing 5- (2 - {[6- (2,2-difluoro-2-phenylethyloxy) hexyl] amino} -1 (r) -hydroxyethyl) -8-hydroxyquinolin-2 (1h) -one through an intermediate ". The present invention relates to a process for preparing a 5- (2 - {[6- (2,2-difluoro-2-phenylethyloxy) hexyl] amino} -1 (r) -hydroxyethyl) -8-hydroxyquinoline compound -2 (1h) -one of formula (i) or a pharmaceutically acceptable salt thereofresumo patente de invenção: "processo para preparar 5-(2-{[6-(2,2-difluoro-2-feniletóxi)hexil]amino}-1(r)-hidroxietil)-8-hidroxiquinolin-2(1h)-ona através de um intermediário". a presente invenção refere-se a um processo para preparar um composto de 5-(2-{[6-(2,2-difluoro-2-feniletóxi)hexil]amino}-1(r)-hidroxietil)-8-hidroxiquinolin-2(1h)-ona da fórmula (i) ou um sal farmaceuticamente aceitável deste
