反应条件
1: 54 percent / Jones reagent / acetone / Ambient temperature 2: 1.) NaH / 1.) DMF, benzene, -5 deg C, 5 min; 2.) RT, 3 h 3: 84 percent / NaCN / hexamethylphosphoric acid triamide / 1 h / 75 °C 4: H2 / Lindlar catalyst / petroleum ether / 735.5 Torr View Scheme
