tert-butyl 8-bromo-3,4-dihydrobenzofuro[3,2-c]pyridine-2(1H)-carboxylate   、                                                                                      Sodium 4-cyanobenzenesulfinate                                                                                                                                                              在
                                                                                                                                                                                 SiO2   、                                                                                                  
ethyl acetate n-hexane                                                                                                                                  作用下,
                                                                                                                                                                                                                            以provided tert-butyl 8-(4-cyanophenylsulfonyl)-3,4-dihydrobenzofuro[3,2-c]pyridine-2(1H)-carboxylate (107 mg, 34%) as a pale yellow solid的产率得到tert-butyl 8-(4-cyanophenylsulfonyl)-3,4-dihydrobenzofuro[3,2-c]pyridine-2(1H)-carboxylate