tert-butyl 8-bromo-3,4-dihydrobenzofuro[3,2-c]pyridine-2(1H)-carboxylate 、 sodium 3,5-dichlorobenzenesulfinate 在
SiO2 、
ethyl acetate n-hexane 作用下,
以provided tert-butyl 8-(3,5-dichlorophenylsulfonyl)-3,4-dihydrobenzofuro[3,2-c]pyridine-2(1H)-carboxylate (147 mg, 43%) as a yellow oil的产率得到tert-butyl 8-(3,5-dichlorophenylsulfonyl)-3,4-dihydrobenzofuro[3,2-c]pyridine-2(1H)-carboxylate