1: With copper(l) iodide; triethylamine 0.166667 h; 2: With tetrakis(triphenylphosphine) palladium(0) T=20°C; 12 h; 3: With potassium fluoride in tetrahydrofuran; ethanol; water 33 h;

iron(III) sulphate hydrate; acetic acid T=95°C; 24 h; Schlenk technique;

silver(I) tetrakis(3,5-bis(trifluoromethyl)phenyl)borate; water T=80°C; 24 h; Green chemistry; chemoselective reaction;