反应条件
1: CBr4, PPh3 / diethyl ether / 2 h / 0 - 25 °C 2: 1.) LDA / 1.) THF, 0 grad C, 20 min, 2.) THF, -78 grad C, 1 h 3: 73 percent / t-BuLi / pentane / 0.67 h / -78 °C / further reagent View Scheme
参考文献
Sawada, Hiroyuki; Webb, Michael; Stoll, A. Timothy; Negishi, Ei-ichi
Tetrahedron Letters, 1986 , vol. 27, # 7 p. 775 - 778
