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    J Am Chem Soc. 2004 Jun 2;126(21):6576-8.

    Toward fully synthetic glycoproteins by ultimately convergent routes: a solution to a long-standing problem.

    Source

    Laboratory for Bioorganic Chemistry, Sloan-Kettering Institute for Cancer Research, 1275 York Avenue, New York, New York 10021, USA.

    Abstract

    A method is disclosed for the convergent synthesis of multiply glycosylated peptides. The approach centers on a convergent technique for generating masked, complex glycopeptide-containing C-terminal acyl donors. Activation of the latent donor in situ and use directly in segment coupling with a second peptide bearing a complex carbohydrate produces a completely unprotected, bifunctional glycopeptide. The system demonstrates a minimum level of hydrolysis and epimerization at the C-terminal amino acid residue of the acyl donor during fully convergent segment coupling and is therefore a powerful tool for the synthesis of glycoproteins.

    PMID:
    15161285
    [PubMed - indexed for MEDLINE]

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