tert-butyl 7-bromo-3,4-dihydroimidazo[1,2-a:5,4-c']dipyridin-2(1H)-carboxylate 、
4-((6-(trifluoromethyl)pyridin-3-yl)methoxy)pyridin-2(1H)-one 以to provide the title compound (104 mg, 44%) as a yellow solid的产率得到tert-butyl 7-(2-oxo-4-((6-(trifluoromethyl)pyridin-3-yl)methoxy)pyridin-1(2H)-yl)-3,4-dihydropyrido[4',3':4,5]imidazo[1,2-a]pyridine-2(1H)-carboxylate