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