反应条件
1: palladium 10 on activated carbon; hydrogen / ethanol / 16 h / 20 °C / 760.05 Torr 2: lithium aluminium tetrahydride / tetrahydrofuran / 2 h / 20 °C 3: 2,2,6,6-tetramethyl-1-piperidinyloxy, free radical; [bis(acetoxy)iodo]benzene / dichloromethane / 2 h / 20 °C View Scheme