反应条件
1: 1.) t-BuLi / 1.) THF, a) -78 deg C, 0.5 h, b) -20 deg C, 3 h; 2.) THF, -20 deg C, 2 h 2: ethyl acetate / 1 h / Heating 3: 100 percent / Bu3SnH, AIBN / benzene / 1 h / Heating View Scheme
参考文献
Iwao, Masatomo
Heterocycles, 1994 , vol. 38, # 1 p. 45 - 50