sodium hydroxide; benzenesulfonyl chloride in dichloromethane; water

potassium hydroxide in dichloromethane overnight;

benzenesulfonyl chloride in potassium hydroxide; dichloromethane; water

nitric acid T=-5°C; 0.0833333 h;

nitric acid T=-2 - 2°C; 0.5 h; Yields of byproduct given;

T=12°C;

1: permanganate; magnesium sulfate 2: NaOH-solution View Scheme

1: 60 percent / 90percent HNO3 / 0.5 h / -2 - 2 °C 2: 95 percent / aq. NaOH / methanol / 0.5 h / Heating 3: 83 percent / K2CO3 / acetone / 84 h / Heating 4: 67 percent / KMnO4 / acetone; H2O / 20 h / 50 °C 5: SOCl2 / 3 h / Heating 6: 1.) ethanol, Mg; / 1.) toluene, CCl4, reflux, 3 h, 2.) reflux, 3 h; 7: 100 percent / H2SO4 / aq. acetic acid / 7 h / Heating 8: 94 percent / H2 / palladium-carbon catalyst / methanol View Scheme

1: permanganate; magnesium sulfate 2: NaOH-solution 3: hydrochloric acid View Scheme

1: 60 percent / 90percent HNO3 / 0.5 h / -2 - 2 °C 2: 95 percent / aq. NaOH / methanol / 0.5 h / Heating 3: 83 percent / K2CO3 / acetone / 84 h / Heating 4: 96 percent / hydroxylamine hydrochloride, HCOOH / 2 h / Heating View Scheme