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Synlett 1992; 1992(7): 589-590
DOI: 10.1055/s-1992-21426
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Synthesis of Selectively Deprotectable Asparagine Glycoconjugates with a Lewisa Antigen Side Chain

Joachim März* , Horst Kunz
  • *Institut für Organische Chemie, Johannes Gutenberg-Universität Mainz, J.J.-Becher-Weg 18-20, D-6500 Mainz, Germany
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Publication Date:
08 March 2002 (online)

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The synthesis of the O-peracetylated trisaccharide azide with 4-O-(α-L-fucopyranosyl)lactosamine (Lewisa antigen) structure is described. Reduction of the azide and condensation of the resulting trisaccharide amine with N-trichloroethoxycarbonylaspartic acid α-allyl ester (Teoc-Asp-OAll) delivered the desired Lewisa antigen asparagine conjugate.

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