aluminium trichloride in nitrobenzene T=60°C; 6 h;

aluminium trichloride in nitrobenzene

1: ammonium acetate; methanol 2: ethanol / 14 h / 20 °C 3: sodium hydroxide / ethanol / 24 h / 20 °C 4: potassium hydroxide; water / tetrahydrofuran / 24 h / |Reflux 5: sodium nitrite; hydrogenchloride / water / 2.5 h / 0 - 20 °C View Scheme

1: ethanol / 14 h / 20 °C 2: sodium hydroxide / ethanol / 24 h / 20 °C 3: potassium hydroxide; water / tetrahydrofuran / 24 h / |Reflux 4: sodium nitrite; hydrogenchloride / water / 2.5 h / 0 - 20 °C View Scheme

1: toluene / |Reflux 2: ammonium acetate; methanol 3: ethanol / 14 h / 20 °C 4: sodium hydroxide / ethanol / 24 h / 20 °C 5: potassium hydroxide; water / tetrahydrofuran / 24 h / |Reflux 6: sodium nitrite; hydrogenchloride / water / 2.5 h / 0 - 20 °C View Scheme