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Beiträge zur Chemie der Pyrrolpigmente, 85. Mitt.: Darstellung und Lumineszenz hetero-bichromophorer Oligopyrrol-Systeme

On the chemistry of bile pigments, LXXXV: Preparation and luminescence of hetero-bichromophoric oligopyrrole-systems

  • Organische Chemie Und Biochemie
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Summary

Systems consisting of a bilindione or dipyrrinone chromophore and a covalently attached, but nonconjugated, fluorescing naphthyl, anthranyl, and indolyl residue were prepared and their luminescence properties measured. Excitation energy is very effectively quenched by the dipyrrin radiationless deexcitation channel of bilins as well as by the photodiastereomerization mode of dipyrrinone fragments. A Förster type energy transfer mechanism is inferred from intermolecular Stern-Volmer kinetics in solvents of different viscosity.

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Literatur

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Authors and Affiliations

  1. Institut für Chemie, Johannes-Kepler-Universität Linz, A-4040, Linz, Austria

    Heinz Falk, Karl Grubmayr & Martha Marko

Authors
  1. Heinz Falk
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  2. Karl Grubmayr
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  3. Martha Marko
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Falk, H., Grubmayr, K. & Marko, M. Beiträge zur Chemie der Pyrrolpigmente, 85. Mitt.: Darstellung und Lumineszenz hetero-bichromophorer Oligopyrrol-Systeme. Monatsh Chem 121, 209–219 (1990). https://doi.org/10.1007/BF00809534

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  • DOI: https://doi.org/10.1007/BF00809534

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