sodium hydroxide in water 24 h; Heating;

1: chloroacetic acid With potassium carbonate in N,N-dimethyl-formamide T=20°C; 1 h; 2: 1,3,5-trishydroxybenzene With potassium carbonate in N,N-dimethyl-formamide T=74 - 78°C; 12 h; Further stages.;

1: With 18-crown-6 ether; potassium carbonate in acetone 2: With sodium hydroxide in water

1: 80 percent / potassium carbonate; 18-crown-6 / acetone / 24 h / Heating 2: 99 percent / sodium hydroxide / H2O / 24 h / Heating View Scheme