1: 2-fluoro-4-hydroxyaniline With potassium tert-butylate in dimethyl sulfoxide T=20°C; 0.25 h; 2: 4-chloro-pyridine-2-carboxylic acid amide in dimethyl sulfoxide T=80°C; 0.833333 h;

potassium tert-butylate in dimethyl sulfoxide T=20 - 80°C; 1.08333 h; Product distribution / selectivity;

potassium tert-butylate in tetrahydrofuran; dimethyl sulfoxide T=0 - 90°C; 2.5 h; Product distribution / selectivity;