反应条件
1: 1.) lithium diisopropylamide / 1.) THF, HMPA, -78 deg C, 2a.) -78 deg C, 3h, 2b.) 0 deg C, 1h 2: 97 percent / KOtBu / dimethylsulfoxide / 2.5 h / 130 °C 3: Pb(OAc)4, Cu(OAc)2*H2O, pyridine / benzene / 4 h / Heating View Scheme
参考文献
Journal of Organic Chemistry, , vol. 55, # 6 p. 1965 - 1968