Chemistry of Heterocyclic Compounds

, Volume 54, Issue 3, pp 362–368 | Cite as

Synthesis of novel 3-[(1-glycosyl-1H-1,2,3-triazol-4-yl)- methylamino]ket-2-en-1-ones

  • Banty Kumar
  • Jyotirmoy Maity
  • Amit Kumar
  • Vinod Khatri
  • Bhawani Shankar
  • Ashok K. PrasadEmail author

Nine 3-[(1-β-D-ribofuranosyl- and 3-[(1-β-D-glucopyranosyl-1H-1,2,3-triazol-4-yl)methylamino]ket-2-en-1-ones have been synthesized by copper-catalyzed azide–alkyne cycloaddition (CuAAC) reaction between propargylamine derivatives and 1-azido-2,3,5-tri-O-benzoylβ-D-ribofuranose or 2,3,4,6-tetra-O-acetyl-1-azido-β-D-glucopyranose, followed by deprotection of the resulting tri-O-benzoyl- or tetraO-acetyl-1-β-D-glycosyltriazoles in good yields. The precursor propargylamine derivatives were synthesized by Sonogashira reaction of substituted acetylenes and benzoyl chloride followed by Michael-type addition of propargylamine to the resulting substituted alkynes in good yields. The precursor azido sugars, 1-azido-2,3,5-tri-O-benzoyl-β-D-ribofuranose and 2,3,4,6-tetra-O-acetyl-1-azido-β-D-glucopyranose, were synthesized by azidation of 1-O-acetyl-2,3,5-tri-O-benzoyl-β-D-ribofuranose and β-D-glucopyranose pentacetate, respectively, with azidotrimethylsilane in the presence of tin(IV) chloride. All products were unambiguously characterized on the basis of the spectral data analysis.


N-glycoconjugates CuAAC reaction Sonogashira reaction 


We are grateful to University of Delhi for providing financial support under DU-DST Purse grant to strengthen research and development. We are also thankful to CIF-USIC, University of Delhi for providing the NMR spectral and HRMS recording facilities.

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© Springer Science+Business Media, LLC, part of Springer Nature 2018

Authors and Affiliations

  • Banty Kumar
    • 1
    • 2
  • Jyotirmoy Maity
    • 1
  • Amit Kumar
    • 1
  • Vinod Khatri
    • 1
  • Bhawani Shankar
    • 1
  • Ashok K. Prasad
    • 1
    Email author
  1. 1.Bioorganic Laboratory, Department of ChemistryUniversity of DelhiDelhiIndia
  2. 2.Rajdhani College, Department of ChemistryUniversity of DelhiDelhiIndia

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