Investigations on a flexible prolyl-endopeptidase inhibitor in solution by NMR techniques

Benjamin Podányi, Sándor Bokotey, Károly Kánai, Miklós Fehér, István Hermecz

Research output: Contribution to journalArticle

3 Citations (Scopus)

Abstract

4-Phenylbutyrylprolylpyrrolidine, an inhibitor of prolyl-endopeptidase, exists in solution as an equilibrium of trans and cis prolyl rotamers. The equilibrium ratio and the exchange rate of the rotamers were measured in several solvents. The conformational preferences of the flexible molecule were studied by NMR, based on proton-proton vicinal coupling constants, NOESY cross peak intensities and aromatic ring current shifts.

Original languageEnglish
Pages (from-to)346-352
Number of pages7
JournalMagnetic Resonance in Chemistry
Volume37
Issue number5
DOIs
Publication statusPublished - May 1999

Keywords

  • C NMR
  • Conformational analysis
  • Coupling constant
  • H NMR
  • NMR
  • NOESY
  • Prolyl-endopeptidase inhibitor
  • Prolylpyrrolidine
  • Ring-current shift

ASJC Scopus subject areas

  • Chemistry(all)
  • Materials Science(all)

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