反应条件
1: 99 percent / tetrahydrofuran / 17 h / Ambient temperature 2: 1.) t-BuLi, 2.) I2 / 1.) Et2O, pentane, -20 deg C, 3 h, 2.) Et2O, pentane, -100 deg C -> rt, overnight 3: 87 percent / CuI, Pd(PPh3)2Cl2 / triethylamine / 24 h / Ambient temperature 4: 70 percent / t-BuOK / 2-methyl-propan-2-ol / 3 h / Heating View Scheme
参考文献
Journal of Organic Chemistry, , vol. 62, # 19 p. 6507 - 6511
