反应条件
1: 18.5 g / diethyl ether / 1 h / 0 °C 2: 1.) TMEDA, triphenylmethyl chloride, sec-BuLi, 2.) p-toluenesulfonic acid / 1.) ether, cyclohexane, -78 deg C, 1 h, 2.) benzene, reflux 3: 54 percent / HI, P (red) / acetic acid / 56 h / Heating View Scheme
参考文献
Harvey, Ronald G.; Cortez, Cecilia; Jacobs, Stephen A.
Journal of Organic Chemistry, 1982 , vol. 47, # 11 p. 2120 - 2125