in benzene T=40°C; 2 h;

1: 81.5 percent / NaOH, perhydrol / ethanol / 2 h / 40 - 45 °C 2: 88.7 percent / 1,2-dichloro-ethane / 22 h / 40 °C 3: 91.6 percent / benzene / 2 h / 40 °C View Scheme

1: 88.7 percent / 1,2-dichloro-ethane / 22 h / 40 °C 2: 91.6 percent / benzene / 2 h / 40 °C View Scheme