1: KH / tetrahydrofuran 2: n-BuLi / tetrahydrofuran; hexane / 0.33 h / 0 - 5 °C 3: 72 percent / tetrahydrofuran / 4 h / Ambient temperature View Scheme
参考文献
Trimitsis, G. B.; Hinkley, J. M.; TenBrink, R.; Faburada, A. L.; Anderson, R.; et al.
Journal of Organic Chemistry, 1983 , vol. 48, # 18 p. 2957 - 2962