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  • Title: Gold mediated glycosylations: selective activation of propargyl 1,2-orthoesters in the presence of aglycones containing a propargyl moiety.
    Author: Sureshkumar G, Hotha S.
    Journal: Chem Commun (Camb); 2008 Sep 28; (36):4282-4. PubMed ID: 18802544.
    Abstract:
    Selective activation of propargyl 1,2-orthoesters in the presence of propargyl glycosides and propargyl ethers was studied; a catalytic amount of AuBr3 activated the propargyloxy group of the 1,2-orthoester thereby giving access to disaccharides with the propargyl group at the reducing end; furthermore, propargyl ethers were unaffected under the reaction conditions.
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