Dialkyl(heteroaryl)phosphine sulfides were synthesized by the rhodium-catalyzed exchange reaction of heteroaryl aryl sulfides and tetraalkyldiphosphine disulfides. The reaction has a broad applicability, giving diverse dialkyl(heteroaryl)phosphine sulfides containing five- and six-membered heteroaryl groups. Various dialkyl(heteroaryl)phosphines were obtained by desulfurization. (Figure presented.).
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