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Synthesis of unsymetrical organoselenides and sulfides a,b. a Reaction conditions: 4 or 5 (0.25 mmol), 2 (0.5 mmol) in the presence of CuI (3.0 mol %) and DMSO (3.0 equiv.) for 15 min at 100 °C and 100 W of MW-irradiations; b Isolated yields.
