1: chloromethyl phenyl sulphoxide With lithium diisopropyl amide in tetrahydrofuran; hexane T=-78°C; 0.75 h; 2: methyl iodide in tetrahydrofuran; hexane T=-78 - -10°C;

N-chloro-succinimide; silica gel 20 h; Ambient temperature;

pyridine; iodobenzene dichloride