sodium iodide in acetone 6 h;

1: 79 percent / toluene / 1.5 h / Heating 2: 90 percent / 10 percent sodium methylate / methanol / 2 h / Ambient temperature 3: 34 percent / triethylphosphite / 20 h / Heating View Scheme

in toluene 1.5 h; Heating;

1: 79 percent / toluene / 1.5 h / Heating 2: 76 percent / 10 percent sodium methanolate / methanol / 2 h / Ambient temperature 3: 78 percent / triethylphosphite / 20 h / Heating 4: 2) 2N HCl / 2) 1 h View Scheme

1: 79 percent / toluene / 1.5 h / Heating 2: 76 percent / 10 percent sodium methanolate / methanol / 2 h / Ambient temperature 3: 78 percent / triethylphosphite / 20 h / Heating View Scheme

1: 79 percent / toluene / 1.5 h / Heating 2: 76 percent / 10 percent sodium methanolate / methanol / 2 h / Ambient temperature 3: 78 percent / triethylphosphite / 20 h / Heating 4: 1) ethanol; 2) NH3 / 1) CHCl3; 2) ethanol View Scheme