反应条件
1: 98 percent / acetonitrile / 3 h / 25 °C 2: aluminum amalgam, NH4Cl / methanol / 2 h / 25 °C 3: BF3 etherate, BHT-stabilizer / 72 h / 25 °C 4: 1.) NBS; 2.) DBU / 1.) CCl4, 2h, reflux; 2.) benzene, 3h, reflux View Scheme
参考文献
Bridges, Alexander J.; Fischer, John W.
Journal of Organic Chemistry, 1984 , vol. 49, # 16 p. 2954 - 2961
