Journal of inclusion phenomena

, Volume 3, Issue 4, pp 395–401 | Cite as

Phosphorescence of lyophilized complexes between cyclodextrins andβ-arylpropiophenones

  • H. L. Casal
  • J. C. Netto-Ferreira
  • J. C. Scaiano
Article
Received:

Abstract

β-Arylpropiophenones do not phosphoresce in homogeneous solution as a result of excited state quenching by the β-aryl group. In the presence of cyclodextrins the parent substrate, β-phenylpropiophenone, shows readily detectable phosphorescence. The complexes show strong phosphorescence after lyophilization to dryness. The phosphorescence intensity of ring-substituted derivatives is strongly dependent upon molecular size and cavity dimensions, suggesting that the β-arylpropiophenones can be used to probe these properties.

Key words

Cyclodextrins phosphorescence β-arylpropiophenones 
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Copyright information

© D. Reidel Publishing Company 1985

Authors and Affiliations

  • H. L. Casal
    • 1
  • J. C. Netto-Ferreira
    • 1
  • J. C. Scaiano
    • 1
  1. 1.Division of ChemistryNational Research Council of CanadaOttawaCanada

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