反应条件
1: 1.) n-BuLi / 1.) THF, -23 deg C, 20 min, 2.) -23 deg C, 0.5 h
2: sec-BuLi, TMEDA / 1.) THF, cyclohexane, -45 deg C, 1 h, 2.) 45 min
3: 34.9 percent / sec-BuLi / tetrahydrofuran; cyclohexane / 1.) -45 deg C, 1 h, 2.) 0 deg C, 5 h
View Scheme
参考文献
Cohen,T.; Ritter,R.H.; Oulette,D.
Journal of the American Chemical Society, 1982 , vol. 104, p. 7142