反应条件
1: 65 percent / NaHCO3 / dimethylformamide / 20 h / 90 °C 2: 87 percent / 1 h / Heating 3: 91 percent / H2 / Pd/C / ethanol / 1 h / 60 °C / 3750.3 Torr 4: 63 percent / NaHCO3 / dimethylformamide / 20 h / 90 °C 5: 1) Mg / 1) Et2O, toluene, 2) toluene, reflux 6: KOH / bis-(2-hydroxy-ethyl) ether / 1.5 h / 210 °C View Scheme
