tert-butyl 7-bromo-3,4-dihydrobenzofuro[3,2-c]pyridine-2(1H)-carboxylate   、                                                                                      
4-(2-(5-chloropyridin-2-yl)ethyl)pyridin-2(1H)-one                                                                                                                                                                                                                                                                                                          以to provide the title compound (191 mg, 88%) as a light yellow solid的产率得到tert-butyl 7-(4-(2-(5-chloropyridin-2-yl)ethyl)-2-oxopyridin-1(2H)-yl)-3,4-dihydrobenzofuro[3,2-c]pyridine-2(1H)-carboxylate