1: diphenylditellane With sodium tetrahydroborate in tetrahydrofuran; ethanol T=20°C; 2: phenylacetylenic phenyl sulfoxyde in tetrahydrofuran; ethanol T=20°C; 0.166667 h; Further stages.;

1: With Schwartz's reagent in tetrahydrofuran T=20°C; 0.0833333 h; 2: With water in tetrahydrofuran T=20°C; 0.5 h; Further stages.;