tert-butyl 8-bromo-3,4-dihydrobenzofuro[3,2-c]pyridine-2(1H)-carboxylate 、 sodium;4-nitrobenzenesulfinate 在
SiO2 、
ethyl acetate n-hexane 作用下,
以provided tert-butyl 8-(4-nitrophenylsulfonyl)-3,4-dihydrobenzofuro[3,2-c]pyridine-2(1H)-carboxylate (96 mg, 25%) as a pale yellow solid的产率得到tert-butyl 8-(4-nitrophenylsulfonyl)-3,4-dihydrobenzofuro[3,2-c]pyridine-2(1H)-carboxylate