tert-Butyl 2-bromo-7,9-dimethyl-5,7,8,9-tetrahydro-6H-pyrido[3',4':4,5]pyrrolo[2,3-b]pyridine-6-carboxylate 、
4-苄氧基-2(1H)-吡啶酮 以to provide the title compound (150 mg, 57%) as a yellow oil的产率得到tert-Butyl 2-(4-(benzyloxy)-2-oxopyridin-1(2H)-yl)-7,9-dimethyl-5,7,8,9-tetrahydro-6H-pyrido[3',4':4,5]pyrrolo[2,3-b]pyridine-6-carboxylate