sodium periodate in water T=25°C; 24 h;

sodium periodate; acetic acid T=25°C; 24 h;

1: 30 percent / diethyl ether / 2 h / 25 °C 2: 220 - 250 °C / 760 Torr View Scheme

in dimethyl sulfoxide T=35 - 40°C; 16 h; Irradiation;

diphenylditellane in dimethyl sulfoxide byproducts: PhTeHgCl; Irradiation (UV/VIS); nitrogen atmosphere; mercurial and PhTeTePh in deoxygenated solvent irradiated (275-W sunlamp, 35-40 °C, 16h);; reaction mixt. poured into water; extn. (benzene); ext. washed (water), dried (Na2SO4), concd.; C-C6H11SPh analysed by (1)H NMR, GLC and GCMS; yield detd. by (1)H NMR;;

oxygen in tetrahydrofuran T=0°C; 0.5 h;

in benzene T=160°C; Decarboxylation; 216 h;

in acetonitrile T=100°C; 24 h;

sodium tetrahydroborate in ethanol Heating;

oxygen in tetrahydrofuran T=0°C; 0.5 h;