2-(benzimidazol-2-yl)-3-hydroxychromone derivatives: Spectroscopic properties and a possibile alternative intramolecular proton phototransfer

D. A. Svechkarev, G. V. Karpushina, L. L. Lukatskaya, A. O. Doroshenko

Research output: Contribution to journalArticlepeer-review

29 Scopus citations

Abstract

Three 2-(benzimidazol-2-yl)-3-hydroxychromone derivatives were synthesized. Their spectroscopic and fluorescent properties, due to excited state intramolecular proton transfer (ESIPT) from OH to carbonyl, were studied. Theoretical possibility of an alternative intramolecular H-bonding and experimental evidence for such behavior are discussed.

Original languageEnglish (US)
Pages (from-to)443-449
Number of pages7
JournalCentral European Journal of Chemistry
Volume6
Issue number3
DOIs
StatePublished - 2008
Externally publishedYes

Keywords

  • 3-hydroxychromones
  • Absorption and fluorescence spectra
  • Benzimidazole
  • Excitedstate intramolecular proton transfer reaction (ESIPT)
  • Intramolecular hydrogen bonding

ASJC Scopus subject areas

  • Chemistry(all)
  • Materials Chemistry

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