1: chromic anhydride / acetic acid; H2O / 24 h / 70 °C 2: 98 percent / N-bromosuccinimide, benzoyl peroxide / CCl4 / 0.75 h / Heating 3: 78 percent / silver acetate / 0.25 h / Heating 4: aq. NH4OH / acetone / 24 h / 20 °C View Scheme

chromium(VI) oxide in water; acetic acid T=70°C; 24 h;

chromium(VI) oxide in water; acetic acid 0.416667 h; Heating;