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Phosphorescence of lyophilized complexes between cyclodextrins andβ-arylpropiophenones (1985)

Casal, H. L. ; Netto-Ferreira, J. C. ; Scaiano, J. C.

Springer

Journal of inclusion phenomena and macrocyclic chemistry 3 (1985), S. 395-401

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ISSN: 1573-1111

Keywords: Cyclodextrins ; phosphorescence ; β-arylpropiophenones

Source: Springer Online Journal Archives 1860-2000

Topics: Chemistry and Pharmacology

Notes: 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.

Type of Medium: Electronic Resource

URL: http://dx.doi.org/10.1007/BF00657491

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