toluene-4-sulfonic acid in water; acetonitrile 5 h; Heating;

1: 89 percent / p-toluenesulfonic acid monohydrate / toluene / Heating 2: 88 percent / potassium, EtOH / toluene / 2 h / Ambient temperature 3: 62 percent / H2 / 10percent Pd/C / CH2Cl2 / 2 h / 1551.4 Torr 4: 77 percent / p-toluenesulfonic acid monohydrate / acetonitrile; H2O / 5 h / Heating View Scheme

1: 88 percent / potassium, EtOH / toluene / 2 h / Ambient temperature 2: 62 percent / H2 / 10percent Pd/C / CH2Cl2 / 2 h / 1551.4 Torr 3: 77 percent / p-toluenesulfonic acid monohydrate / acetonitrile; H2O / 5 h / Heating View Scheme

1: 62 percent / H2 / 10percent Pd/C / CH2Cl2 / 2 h / 1551.4 Torr 2: 77 percent / p-toluenesulfonic acid monohydrate / acetonitrile; H2O / 5 h / Heating View Scheme

1: 40 percent / SeO2 / dioxane / 3 h / Heating 2: 89 percent / p-toluenesulfonic acid monohydrate / toluene / Heating 3: 88 percent / potassium, EtOH / toluene / 2 h / Ambient temperature 4: 62 percent / H2 / 10percent Pd/C / CH2Cl2 / 2 h / 1551.4 Torr 5: 77 percent / p-toluenesulfonic acid monohydrate / acetonitrile; H2O / 5 h / Heating View Scheme

1: 1.) KNO3, H2SO4, 2.) (C6H5SeO)2O / 1.) 0 deg C, 1 h, room temperature, 2 h; 100 deg C, 5 h; 130 deg C, 4h, 2.) dioxane, reflux 2: 89 percent / p-toluenesulfonic acid monohydrate / toluene / Heating 3: 1.) potassium, ethanol / 1.) room temperature, 15 min, 2.) toluene, room temperature, 2 h 4: 62 percent / H2 / 10percent Pd/C / CH2Cl2 / 2 h / 1551.4 Torr 5: 77 percent / p-toluenesulfonic acid monohydrate / acetonitrile; H2O / 5 h / Heating View Scheme

formic acid; dihydrogen peroxide in water T=4°C;