formic acid 2 h; Heating;

1: 94 percent / potassium carbonate, / benzene / 1 h / Ambient temperature 2: phosphorus pentoxide / benzene / 1.17 h / Heating 3: 55 percent / formamide / 3 h / Heating 4: 20 percent / KOH / ethanol / 45 h / Heating 5: 84 percent / 85percent formic acid / 2 h / Heating View Scheme

1: 55 percent / formamide / 3 h / Heating 2: 20 percent / KOH / ethanol / 45 h / Heating 3: 84 percent / 85percent formic acid / 2 h / Heating View Scheme

1: phosphorus pentoxide / benzene / 1.17 h / Heating 2: 55 percent / formamide / 3 h / Heating 3: 20 percent / KOH / ethanol / 45 h / Heating 4: 84 percent / 85percent formic acid / 2 h / Heating View Scheme

1: 94 percent / potassium carbonate, / benzene / 1 h / Ambient temperature 2: phosphorus pentoxide / benzene / 1.17 h / Heating 3: 55 percent / formamide / 3 h / Heating 4: 20 percent / KOH / ethanol / 45 h / Heating 5: 84 percent / 85percent formic acid / 2 h / Heating View Scheme

1: 20 percent / KOH / ethanol / 45 h / Heating 2: 84 percent / 85percent formic acid / 2 h / Heating View Scheme

1: sodium borohydride / aq. ethanol / 0.5 h / Ambient temperature 2: 84 percent / 85percent formic acid / 2 h / Heating View Scheme

sodium tetrahydroborate in ethanol 0.5 h; Ambient temperature;