FT-IR study of anomeric pent-2-enopyranosides

P. Bruni, C. Conti, R. Galeazzi, G. Tosi

Research output: Contribution to journalArticlepeer-review


The infrared study of the solvent effect on D-glycero-pent-2-enopyranosides (α and β) that can be used as substrate precursors in the synthesis of antibiotic ristomycin components, is reported. The higher energy content in α anomers justifies differences in intra- and interbonding with respect to β anomers of the OH and the CO moieties. This behaviour is confirmed by the analysis of half band width values in different solvent mixtures. The pronounced γC(2)-H band found only in α derivatives, makes this vibrational mode of a diagnostic importance in the assignment of the configuration.

Original languageEnglish
Pages (from-to)271-279
Number of pages9
JournalJournal of Molecular Structure
Publication statusPublished - May 30 2001


  • D-glycero-pent-2-enopyranosides
  • Hydrogen bonding
  • Infrared spectra
  • Molecular structure

ASJC Scopus subject areas

  • Structural Biology
  • Organic Chemistry
  • Physical and Theoretical Chemistry
  • Spectroscopy
  • Atomic and Molecular Physics, and Optics


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