potassium hydroxide 1 h; Heating;

1: 91 percent / 0.13 h / 130 °C 2: 75 percent / various solvent(s) / 0.2 h / Heating; heating in Dowtherm 3: 45 percent / 1) potassium carbonate / dimethylformamide / 1) 60 deg C, 15 min; 2) stirring 1 h; 4: 89 percent / aq. 10percent KOH / 1 h / Heating View Scheme

1: 75 percent / various solvent(s) / 0.2 h / Heating; heating in Dowtherm 2: 45 percent / 1) potassium carbonate / dimethylformamide / 1) 60 deg C, 15 min; 2) stirring 1 h; 3: 89 percent / aq. 10percent KOH / 1 h / Heating View Scheme

1: 45 percent / 1) potassium carbonate / dimethylformamide / 1) 60 deg C, 15 min; 2) stirring 1 h; 2: 89 percent / aq. 10percent KOH / 1 h / Heating View Scheme