tert-butyl 8-bromo-6-methyl-3,4,5,6-tetrahydroazepino[4,3-b]indole-2(1H)-carboxylate 、
4-(2-(pyridin-2-yl)ethyl)piperazin-2-one 以to provide the title compound (52 mg, 20%) as a white solid的产率得到tert-butyl 6-methyl-8-(2-oxo-4-(2-(pyridin-2-yl)ethyl)piperazin-1-yl)-3,4,5,6-tetrahydroazepino[4,3-b]indole-2(1H)-carboxylate