反应条件
1: 92 percent / TsOH / diethyl ether / 20 h / 20 °C 2: Li, FeCl3, liq. NH3 / 1 h / -33 °C 3: tetrahydrofuran; dimethylsulfoxide 4: TsOH / methanol; H2O / 20 °C 5: 1.) i-BuMgBr, 2.) Cp2TiCl2, 3.) Py / 1.) Et2O, 0 deg C, 15 min, 2.) 20 deg C, 3 h, 3.) 24 h View Scheme
参考文献
Ishmuratov; Kharisov; Yakovleva; Botsman; Galeeva; Ishmuratova; Tolstikov
Russian Chemical Bulletin, 1998 , vol. 47, # 8 p. 1595 - 1597