7-{2-[2-(4-benzo[b]thiophen-4-yl-piperazin-1-yl)ethoxy]ethoxy}-3,4-dihydro-1H-quinolin-2-one 、
7-[2-(2-chloroethoxy)ethoxy]-3,4-dihydro-1H-quinolin-2-one 、
ethanol hydrochloride 在
Isopropyl alcohol isopropyl ether 作用下,
以
乙醇 为溶剂,
以7-{2-[2-(4-benzo[b]thiophen-4-yl-piperazin-1-yl)ethoxy]ethoxy}-3,4-dihydro-1H-quinolin-2-one dihydrochloride was obtained in the form of a white powder的产率得到7-{2-[2-(4-benzo[b]thiophen-4-yl-piperazin-1-yl)ethoxy]ethoxy}-3,4-dihydro-1H-quinolin-2-one dihydrochloride