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  • Title: Copper oxide nanoparticle-catalyzed coupling of diaryl diselenide with aryl halides under ligand-free conditions.
    Author: Reddy VP, Kumar AV, Swapna K, Rao KR.
    Journal: Org Lett; 2009 Feb 19; 11(4):951-3. PubMed ID: 19182886.
    Abstract:
    A new, efficient and ligand-free cross-coupling reaction of aryl halides and diaryl diselenides using a catalytic amount of nanocrystalline CuO as a recyclable catalyst with KOH as the base in DMSO at 110 degrees C is reported. This protocol has been utilized for the synthesis of a variety of aryl selenides in excellent yields from the readily available aryl halides and diaryl diselenides.
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