反应条件
1: 68 percent / 1.) n-BuLi / 1.) hexane, HMPA, -78 deg C, 2.) THF, r. t., 5 d 2: 89 percent / SiO2, 0.5 N HCl / CHCl3 / 2 h / 40 °C / sonication 3: 76 percent / LiOH, LiBr, n-Bu4NBr / acetonitrile / 8 h / Ambient temperature 4: 86 percent / NaHCO3 / ethanol / sonication View Scheme
参考文献
Josien; Martin Chassaing
Tetrahedron Letters, 1991 , vol. 32, # 45 p. 6547 - 6550
