3-piperazin-1-yl-1H-indazole hydrochloride 、
6-(2-chloroethyl)-3,4-dimethyl-3,4-dihydro-1H-quinolin-2-one 在
6-{2-[4-(1H-indazol-3-yl)-piperazin-1-yl]-ethyl}-3,4-dimethyl-3,4-dihydro-1H-quinolin-2-one 、 crude product 、 silica gel 、
甲醇 、
乙酸乙酯 作用下,
以to give the title compound as a white, foamy solid, yield=781 mg (46%)的产率得到6-{2-[4-(1H-indazol-3-yl)-piperazin-1-yl]-ethyl}-3,4-dimethyl-3,4-dihydro-1H-quinolin-2-one