Scheme 2.

Synthesis of unsymmetrical organotellurides ^a,b. ^a Reaction conditions: 1 (0.25 mmol), 2 (0.5 mmol) in the presence of CuI (3.0 mol %) and DMSO (3.0 equiv.) applied for 15 min at 100 °C with 100 W of MW-irradiation; ^b Isolated yields.