1: 2-acetoxy-9-bromoanthracene With sodium hydroxide in water T=50 - 60°C; 0.333333 h; 2: dimethyl sulfate in water T=20°C; Further stages.;

1.1: HI / acetic acid / 120 °C 1.2: I2 / toluene 2.1: 85 percent / pyridine / 2 h / Heating 3.1: 78 percent / Br2 / acetic acid / 1.5 h / 20 °C 4.1: NaOH / H2O / 0.33 h / 50 - 60 °C 4.2: 82 percent / H2O / 20 °C View Scheme

1.1: 85 percent / pyridine / 2 h / Heating 2.1: 78 percent / Br2 / acetic acid / 1.5 h / 20 °C 3.1: NaOH / H2O / 0.33 h / 50 - 60 °C 3.2: 82 percent / H2O / 20 °C View Scheme

1.1: 78 percent / Br2 / acetic acid / 1.5 h / 20 °C 2.1: NaOH / H2O / 0.33 h / 50 - 60 °C 2.2: 82 percent / H2O / 20 °C View Scheme

1.1: 96percent H2SO4; NaNO2 / 3.5 h / 20 °C 1.2: 96 percent / H2O / 0.5 h / Heating 2.1: HI / acetic acid / 120 °C 2.2: I2 / toluene 3.1: 85 percent / pyridine / 2 h / Heating 4.1: 78 percent / Br2 / acetic acid / 1.5 h / 20 °C 5.1: NaOH / H2O / 0.33 h / 50 - 60 °C 5.2: 82 percent / H2O / 20 °C View Scheme