in ethanol

in acetonitrile 1 h; Heating;

1: 1.) potassium carbonate / 1.) DMF, 100 deg C, 30 min; 2.) 100 deg C, 3 h 2: 87 percent / CHCl3 / 2 h / Ambient temperature 3: 56 percent / acetonitrile / 1 h / Heating View Scheme

1: 87 percent / CHCl3 / 2 h / Ambient temperature 2: 56 percent / acetonitrile / 1 h / Heating View Scheme