tert-butyl 7-bromo-3,4-dihydrobenzofuro[3,2-c]pyridine-2(1H)-carboxylate 、
4-((6-(trifluoromethyl)pyridazin-3-yl)methoxy)pyridin-2(1H)-one 以to provide the title compound (234 mg, 76%) as an off-white solid的产率得到tert-butyl 7-(2-oxo-4-((6-(trifluoromethyl)pyridazin-3-yl)methoxy)pyridin-1(2H)-yl)-3,4-dihydrobenzofuro[3,2-c]pyridine-2(1H)-carboxylate