反应条件
1: 80percent H2SO4 / H2O / 0.5 h / 85 - 90 °C
2: 53 percent / tetramethylethylenediamine / benzene; diethyl ether / 0.42 h / 30 °C
3: 1.) CH3Li / 1.) THF, 40 deg C, 5 min, 2.) THF, reflux, 7 h
4: 45 percent / sodium / benzene; diethyl ether / 19 h / Ambient temperature
View Scheme
参考文献
Newman, Melvin S.
Journal of Organic Chemistry, 1983 , vol. 48, # 19 p. 3249 - 3251