n-BuSSBu-n in benzene byproducts: n-BuSHgCl; Irradiation (UV/VIS); nitrogen atmosphere; mercurial and n-BuSSBu-n in deoxygenated solvent irradiated (275-W sunlamp, 35-40 °C, 20h);; filtration; solvent removed (vacuum); CH2CHCH2CH2SBu-n analysed by (1)H NMR, GLC and GCMS; yield of CH2CHCH2CH2SBu-n detd. by GLC after aq. Na2S2O3/CH2Cl2 extn.;;

in benzene T=35 - 40°C; 20 h; Irradiation;

potassium hydroxide in ethanol Heating;

S8(AsF6)2 in liquid sulphur dioxide Yield given. Yields of byproduct given;