potassium carbonate in acetone 12 h; Ambient temperature;

1: 70 percent / anhydrous potassium carbonate / acetone / 12 h / Ambient temperature 2: 77 percent / anhydrous potassium carbonate / acetone / 12 h / Ambient temperature View Scheme

1: 80 percent / benzoyl peroxyde / CCl4 / 2.5 h / Heating 2: 70 percent / anhydrous potassium carbonate / acetone / 12 h / Ambient temperature 3: 77 percent / anhydrous potassium carbonate / acetone / 12 h / Ambient temperature View Scheme

1: 98 percent / aq. NaOH / 3 h / 65 - 70 °C 2: 89 percent / diethyl ether; methanol 3: 83 percent / BF3 / CHCl3 / 8 h / 0 - 25 °C 4: 67 percent / NaOH (8percent) / methanol / 4 h / 80 - 90 °C 5: 50 percent / PPE / diethyl ether; CHCl3 / 12 h / 60 - 65 °C 6: 50 percent / mercuric oxyde, mercuric chloride / acetonitrile; H2O / 4 h / 90 °C 7: 94.8 percent / cc. HCl / Pd/C (10percent) / ethanol / 7 h / Ambient temperature 8: 76.5 percent / anhydrous aluminium chloride, sodium chloride / 0.12 h / 180 - 190 °C View Scheme