8-Benzyloxy-5-(3-tert-butylamino-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43%的产率得到5-(3-tert-Butylamino-2-hydroxy-propoxy)-8-hydroxy-1-methyl-3,4-dihydro-1H-quinolin-2-one; hydrochloride