Glycoclusters presenting lactose on calix[4]arene cores display trypanocidal activity

Eva Galante, Corrada Geraci, Sebastiano Sciuto, Vanessa L. Campo, Ivone Carvalho, Renata Sesti-Costa, Paulo M. M. Guedes, João S. Silva, Lionel Hill, Sergey A. Nepogodiev, Robert A. Field

Research output: Contribution to journalArticlepeer-review

33 Citations (Scopus)

Abstract

A new series of water-soluble tetravalent glycoclusters incorporating β-lactosyl residues attached to a central calix[4]arene core was synthesised using azide-alkyne Cu(I)-catalysed cycloaddition ('click chemistry'). Carbohydrate moieties were attached either to the upper or lower rim of rigid cone-shaped or partial cone macrocycles via 14-21 atom spacer arms. The glycoclusters with a C4-symmetrical arrangement of β-lactosyl residues showed trypanocidal activity, with one of them showing comparable activity to established anti-trypanosomal drug benznidazole in in vitro anti-parasite assays.

Original languageEnglish
Pages (from-to)5902-5912
Number of pages11
JournalTetrahedron
Volume67
Issue number33
Early online date25 Jun 2011
DOIs
Publication statusPublished - 19 Aug 2011

Keywords

  • Calix[4]arene
  • Calixsugar
  • Glycocluster
  • Multivalency
  • Trypanosoma cruzi

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