1: 4-chloro-benzenesulfonyl chloride With sodium hydrogencarbonate; sodium sulfite in water T=100°C; 0.333333 h; Microwave irradiation; 2: 2-bromo-4'-nitroacetophenone in ethanol; water T=100°C; 0.166667 h;

in ethanol Heating;

1: sodium sulfite; sodium bicarbonate / H2O / 0.33 h / 100 °C / microwave irradiation 2: H2O; ethanol / 0.17 h / 100 °C / microwave irradiation View Scheme

1: TsN3, Et3N / ethanol 2: aq. HClO4, Cu View Scheme