in benzene byproducts: Hg; Irradiation (UV/VIS); nitrogen atmosphere; mercurial in deoxygenated solvent irradiated (at 350 nm in Rayonet Photoreactor, 40 °C, 6h);; filtration; solvent removed (vacuum); PhCH2CH2Ph and PhCH2SPh analysed by (1)H NMR, GLC and GCMS;;