tert-butyl 7-bromo-5-methyl-3,4-dihydro-1H-pyrido[4,3-b]indole-2(5H)-carboxylate 、
4-(2-(pyridin-2-yl)ethyl)piperazin-2-one 以to provide the title compound (210 mg, 56%) as a yellow oil的产率得到tert-butyl 5-methyl-7-(2-oxo-4-(2-(pyridin-2-yl)ethyl)piperazin-1-yl)-3,4-dihydro-1H-pyrido[4,3-b]indole-2(5H)-carboxylate