sulfuric acid; sodium nitrite in water; acetic acid T=8 - 10°C; 0.166667 h;

nitric acid in water T=45°C; 0.25 h;

1: 68percent HNO3 / H2O / 0.25 h / 45 °C 2: 58 percent / NaOH / H2O / 2 h / 40 - 45 °C View Scheme

1: 68percent HNO3 / H2O / 0.25 h / 45 °C 2: 58 percent / NaOH / H2O / 2 h / 40 - 45 °C 3: 1) KOtBu, 2) 10percent H2O2, 3N NaOH / 1) benzene; 24h, reflux; 24h, r.t. View Scheme