tert-butyl 7-bromo-3,4-dihydroimidazo[1,2-a:5,4-c']dipyridin-2(1H)-carboxylate 、
4-(4-(trifluoromethyl)phenyl)pyridin-2(1H)-one 以to provide the title compound (138 mg, 64%) as a yellow solid的产率得到tert-butyl 7-(2-oxo-4-(4-(trifluoromethyl)phenyl)pyridin-1(2H)-yl)-3,4-dihydropyrido[4',3':4,5]imidazo[1,2-a]pyridine-2 (1H)-carboxylate