dipotassium hydrogenphosphate; potassium dihydrogenphosphate; sodium bromide in dimethyl sulfoxide T=80°C; Oxidation; 20 h;

pyridine; sodium methylate; chlorine in methanol

in methanol; 4,4-dimethoxy-3-methyl-but-2-en-1-al; water

in 2-methyl-1,1,4,4-tetramethoxybut-2-ene; water

暂无反应条件数据

1: 14.8 g / CuSO4; H2SO4 / acetic acid / 96 h / 20 °C 2: 75 percent / Na2CO3; H2O / methanol / 5 h / 0 °C 3: 90 percent / pyridinium chlorochromate / CH2Cl2 / 1.5 h / 0 °C 4: 65 percent / p-toluenesulfonic acid / methanol / 18 h / 20 °C 5: 58 percent / K2HPO4; KH2PO4; NaBr / dimethylsulfoxide / 20 h / 80 °C View Scheme

1: 75 percent / Na2CO3; H2O / methanol / 5 h / 0 °C 2: 90 percent / pyridinium chlorochromate / CH2Cl2 / 1.5 h / 0 °C 3: 65 percent / p-toluenesulfonic acid / methanol / 18 h / 20 °C 4: 58 percent / K2HPO4; KH2PO4; NaBr / dimethylsulfoxide / 20 h / 80 °C View Scheme

1: 79 percent / NaIO4 / H2O; 2-methyl-propan-2-ol / 15 h / 20 °C 2: t-BuOCl / 1 h / 0 °C 3: 14.8 g / CuSO4; H2SO4 / acetic acid / 96 h / 20 °C 4: 75 percent / Na2CO3; H2O / methanol / 5 h / 0 °C 5: 90 percent / pyridinium chlorochromate / CH2Cl2 / 1.5 h / 0 °C 6: 65 percent / p-toluenesulfonic acid / methanol / 18 h / 20 °C 7: 58 percent / K2HPO4; KH2PO4; NaBr / dimethylsulfoxide / 20 h / 80 °C View Scheme

1: t-BuOCl / 1 h / 0 °C 2: 14.8 g / CuSO4; H2SO4 / acetic acid / 96 h / 20 °C 3: 75 percent / Na2CO3; H2O / methanol / 5 h / 0 °C 4: 90 percent / pyridinium chlorochromate / CH2Cl2 / 1.5 h / 0 °C 5: 65 percent / p-toluenesulfonic acid / methanol / 18 h / 20 °C 6: 58 percent / K2HPO4; KH2PO4; NaBr / dimethylsulfoxide / 20 h / 80 °C View Scheme

1: 90 percent / pyridinium chlorochromate / CH2Cl2 / 1.5 h / 0 °C 2: 65 percent / p-toluenesulfonic acid / methanol / 18 h / 20 °C 3: 58 percent / K2HPO4; KH2PO4; NaBr / dimethylsulfoxide / 20 h / 80 °C View Scheme