反应条件
1: 87 percent / K2CO3 / ethyl acetate; H2O / 2 h / 0 °C 2: 1) tetramethylethylenediamine, sec-BuLi / 1) cyclohexane, THF, -20 deg C, 45 min, 2) THF, -65 to 0 deg C 3: 1) sec-BuLi / 1) THF, cyclohexane, < 60 deg C, 5 min, 2) THF, -55 to 0 deg C 4: 1) TiCl3, 2) air / 1) H2O, EtOH, 11 h, 45 deg C View Scheme
参考文献
Fisher, Lawrence E.; Caroon, Joan M.; Jahangir; Stabler, S. Russell; Lundberg, Scott; Muchowski, Joseph M.
Journal of Organic Chemistry, 1993 , vol. 58, # 14 p. 3643 - 3647
