反应条件
1: 35 percent / TsOH / toluene / 14 h / Heating 2: 1) BuLi / 1) THF, hexane, -78 deg C, 1 h, 2) THF, -78 deg C, 2 h, then rt, 15 h 3: 92 percent / BF3*OEt2 / tetrahydrofuran / Ambient temperature; other N-<α-(arylthio)alkyl>-1H-benzotriazoles View Scheme
参考文献
Katritzky, Alan R.; Afridi, Amir S.; Kuzmierkiewicz, Wojciech
Helvetica Chimica Acta, 1991 , vol. 74, # 8 p. 1931 - 1935
