in acetic acid 36 h; Ambient temperature;

potassium carbonate in acetone 36 h; Heating;

nitric acid

1: 90 percent / potassium carbonate / acetone / 48 h / Heating 2: 98 percent / potassium t-butoxide / dimethylsulfoxide / 6 h / Ambient temperature 3: 10 percent / POCl3 / CHCl3 / 4 h / Heating View Scheme

1: 90 percent / potassium carbonate / acetone / 48 h / Heating 2: 98 percent / potassium t-butoxide / dimethylsulfoxide / 6 h / Ambient temperature 3: 10 percent / POCl3 / CHCl3 / 4 h / Heating 4: 90 percent / hydrogen / 5percent Pd/C / ethanol / 5 h / 1034.3 Torr / Ambient temperature 5: 1) potassium t-butoxide, O2, 2) gl. acetic acid, zinc dust / 1) t-butanol, 35 deg C, 5 min, 2) 6 h, r.t. 6: 70 percent / aluminium chloride, sodium chloride / 0.08 h / 180 °C View Scheme

1: K2CO3 / acetone / 4 h / Heating 2: 100 percent / tBuOK / dimethylsulfoxide / Ambient temperature 3: POCl3 / 4 h / 80 °C View Scheme

1: K2CO3 / acetone / 4 h / Heating 2: 100 percent / tBuOK / dimethylsulfoxide / Ambient temperature View Scheme

potassium acetate