tert-butyl 8-bromo-3,4-dihydrobenzofuro[3,2-c]pyridine-2(1H)-carboxylate   、                                                                                      sodium;naphthalene-2-sulfinate                                                                                                                                                              在
                                                                                                                                                                                 SiO2   、                                                                                                  
ethyl acetate n-hexane                                                                                                                                  作用下,
                                                                                                                                                                                                                            以provided tert-butyl 8-(2-naphthylsulfonyl)-3,4-dihydrobenzofuro[3,2-c]pyridine-2(1H)-carboxylate (450 mg, 85%) as an orange solid的产率得到tert-butyl 8-(2-naphthylsulfonyl)-3,4-dihydrobenzofuro[3,2-c]pyridine-2(1H)-carboxylate