in acetone; toluene; benzene T=0 - 20°C;

1: sodium sulfate, hydroxylamine hydroxhloride, konz. HCl / H2O / 1) heated slowly to reflux over 4h, 2) 30 min. reflux 2: concentrated sulfuric acid / 0.5 h / 80 °C 3: 72 percent / aqueous sodium hydroxide, hydrogen peroxide / 1) 50-60 deg C, 2) RT overnight 4: 80 percent / benzene; toluene; acetone / 0 - 20 °C View Scheme

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

ammonia 1) formic acid, 0 deg C - RT, 2) neat, reaction bomb, 12h, 120 deg C; Yield given. Multistep reaction;