1: in isopropyl alcohol T=0 - 40°C; 16.25 h; Heating / reflux; 2: With potassium carbonate in water; isopropyl alcohol T=55 - 60°C; P=300.03 Torr; 9 h; Product distribution / selectivity;

sodium carbonate in isopropyl alcohol T=50°C; 6 h; Product distribution / selectivity;

1: 85 percent / benzene / 15 h / 80 °C 2: 83 percent / ethanol / 15 h / 23 °C View Scheme

potassium hexamethylsilazane in toluene T=23°C; 1 h;