反应条件
1: 1.) n-BuLi / 1.) THF, hexane, -78 deg C, 10 min.; 2.) THF, 2 h, r.t.
2: 94 percent / BF3*OEt3 / CHCl3 / 0.25 h / 0 °C
View Scheme
参考文献
Sato, Tadashi; Kikuchi, Toshihiro; Tsujita, Hiroshi; Kaetsu, Atsushi; Sootome, Norio; Nishida, Ken-Ichiro; Tachibana, Kazutaka; Murayama, Eigoro
Tetrahedron, 1991 , vol. 47, # 20-21 p. 3281 - 3304