8-Benzyloxy-5-{3-[2-(3,4-dimethoxy-phenyl)-ethylamino]-2-hydroxy-propoxy}-1-methyl-3,4-dihydro-1H-quinolin-2-one 在
palladium on activated charcoal
氢气 作用下,
以
乙醇 为溶剂,
以85%的产率得到5-{3-[2-(3,4-Dimethoxy-phenyl)-ethylamino]-2-hydroxy-propoxy}-8-hydroxy-1-methyl-3,4-dihydro-1H-quinolin-2-one; hydrochloride