反应条件
1: 1.) n-butyllithium / 1.) hexane, THF, -74 deg C, 1 h, 2.) THF, hexane, -74 deg C, 3.5 h 2: 100 percent / n-butyllithium / tetrahydrofuran; hexane / 1 h / -68 °C View Scheme
参考文献
Ohwada, Tomohiko
Journal of the American Chemical Society, 1992 , vol. 114, # 23 p. 8818 - 8827