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