4((3,5-difluoropyridin-2-yl)methoxy)pyridin-2(1H)-one 、
tert-butyl 8-bromo-6-methyl-3,4,5,6-tetrahydroazepino[4,3-b]indole-2(1H)-carboxylate 以to provide the title compound (117 mg, 50%) as a yellow oil的产率得到tert-butyl 8-(4((3, 5-difluoropyridin-2-yl)methoxy)-2-oxopyridin-1 (2H)-yl)-6-methyl-3,4,5,6-tetrahydroazepino[4,3-b]indole-2(1H)-carboxylate