反应条件
1: AlCl3 / 1.) 1,2-dichloroethane, 0 deg C, 20 min then 20 deg C, 2.) 1,2-dichloroethane, 20 deg C, 15 min 2: 80 percent / m-CPBA (80percent), Na2HPO4 / CH2Cl2 / 1 h / 20 °C 3: 96 percent / 15percent aq. NaSMe / methanol / 2 h / 20 °C 4: 68 percent / 60percent NaH / dimethylformamide / 0.17 h / -20 °C View Scheme
