1: concentrated sulfuric acid / 0.5 h / 80 °C 2: 72 percent / aqueous sodium hydroxide, hydrogen peroxide / 1) 50-60 deg C, 2) RT overnight View Scheme

1: concentrated sulfuric acid / 0.5 h / 80 °C 2: 72 percent / aqueous sodium hydroxide, hydrogen peroxide / 1) 50-60 deg C, 2) RT overnight 3: 80 percent / benzene; toluene; acetone / 0 - 20 °C 4: 2) NH3 / 1) formic acid, 0 deg C - RT, 2) neat, reaction bomb, 12h, 120 deg C View Scheme

sulfuric acid T=80°C; 0.5 h; Yield given;

1: concentrated sulfuric acid / 0.5 h / 80 °C 2: 72 percent / aqueous sodium hydroxide, hydrogen peroxide / 1) 50-60 deg C, 2) RT overnight 3: 80 percent / benzene; toluene; acetone / 0 - 20 °C View Scheme

1: 85 percent / cc.H2SO4 / 0.17 h / 80 °C 2: 87 percent / 10percent H2O2, NaOH / 0.17 h / 100 °C 3: 53 percent View Scheme