ammonium hydroxide in dichloromethane T=20°C; 0.0833333 h;

1: dirhodium tetraacetate / dichloromethane / 0.08 h / 20 °C 2: sodium hydroxide; water / methanol / 2 h / 20 °C 3: SCl2 / 2 h / |Reflux 4: ammonium hydroxide / dichloromethane / 0.08 h / 20 °C View Scheme

1: sodium hydroxide; water / methanol / 2 h / 20 °C 2: SCl2 / 2 h / |Reflux 3: ammonium hydroxide / dichloromethane / 0.08 h / 20 °C View Scheme

1: SCl2 / 2 h / |Reflux 2: ammonium hydroxide / dichloromethane / 0.08 h / 20 °C View Scheme

(i) SO2, (ii) NH3; Multistep reaction;