反应条件
1: 1.) n-BuLi, i-Pr2NH / 1.) THF, hexane, -78 deg C, 1 h, 2.) THF, hexane, -78 deg C, 2 h 2: 31 percent / NaH, 18-crown-6 / tetrahydrofuran; hexane / 5 h / Heating View Scheme
参考文献
Hirao, Toshikazu; Nakamura, Toru; Hagihara, Masahiko; Agawa, Toshio
Journal of Organic Chemistry, 1985 , vol. 50, # 26 p. 5860 - 5862
