反应条件
1: lithium, naphthalene / tetrahydrofuran / 3 h / -30 °C
2: 64 percent / 12 h / -78 - 23 °C
3: 91 percent / hexachloroacetone, triphenylphosphine / tetrahydrofuran / 0.5 h / -78 °C
4: CsF
View Scheme
参考文献
Corey; Chen, Zhuoliang
Tetrahedron Letters, 1994 , vol. 35, # 47 p. 8731 - 8734
