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1H-1,2,3-Triazol-1-yl thiodigalactoside derivatives as high affinity galectin-3 inhibitors

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Author

Summary, in English

Galactose C3-triazole derivatives were synthesized by Cu(I)-catalyzed cycloaddition between acetylenes and galactose C3-azido derivatives. Evaluation against galectin-3, 7, 8N (N-terminal) and 9N (N-terminal) revealed 1,4-disubstituted triazoles to be high-affinity inhibitors of galectin-3 with selectivity over galectin-7, 8N, and 9N. Conformational analysis of 1,4-di-and 1,4,5-tri-substituted galactose C3-triazoles suggested that a triazole C5-substituent interfered sterically with the galectin proteins, which explained their poor affinities compared to the corresponding 1,4-disubstituted triazoles. Introduction of two 1,4-disubstituted triazole moieties onto thiodigalactoside resulted in affinities down to 29 nM for galectin-3. (C) 2010 Elsevier Ltd. All rights reserved.

Publishing year

2010

Language

English

Pages

5367-5378

Publication/Series

Bioorganic & Medicinal Chemistry

Volume

18

Issue

14

Document type

Journal article

Publisher

Elsevier

Topic

  • Microbiology in the medical area
  • Immunology in the medical area

Keywords

  • Galactose
  • Inhibition
  • Triazole
  • Galectin
  • Azide

Status

Published

ISBN/ISSN/Other

  • ISSN: 0968-0896