反应条件
1: butyllithium / 1.) THF, -78 deg C, 5 min; 2.) - 78 deg C - room temp.; 2: 67 percent / CsF / tetrahydrofuran / Heating View Scheme
参考文献
Kawashima, Takayuki; Ishii, Takafumi; Inamoto, Naoki
Tetrahedron Letters, 1983 , vol. 24, # 7 p. 739 - 742