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  • Title: Nano indium oxide as a recyclable catalyst for C-S cross-coupling of thiols with aryl halides under ligand free conditions.
    Author: Reddy VP, Kumar AV, Swapna K, Rao KR.
    Journal: Org Lett; 2009 Apr 16; 11(8):1697-700. PubMed ID: 19301923.
    Abstract:
    An efficient ligand-free C-S cross-coupling of aryl halides with aromatic/alkyl thiols has been developed using a catalytic amount of nanocrystalline indium oxide as a recyclable catalyst with KOH as the base in DMSO at 135 degrees C. A variety of aryl sulfides can be synthesized in excellent yields utilizing this protocol.
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