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An efficient one-pot synthesis of symmetrical diselenides or ditellurides from halides with CuO nanopowder/Se0 or
Devender Singh1, Anna M Deobald, Leandro R S Camargo
1Departamento de Química, Universidade Federal de Santa Maria, 97105-900 Santa Maria, RS, Brazil.
Abstract:
A CuO nanopowder-catalyzed coupling reaction of aryl, alkyl, and heteroaryl iodides with elemental selenium and tellurium takes place in the presence of KOH at 90 degrees C in DMSO. A wide range of substituted symmetrical diselenides and ditellurides were afforded with good to excellent yields.
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