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Beiträge zur Chemie der Pyrrolpigmente, 67. Mitt.

On the chemistry of pyrrole pigments, LXVII: Bilatrienes-abc and 2,3-dihydrobilatrienes-abc in micellar systems

Bilatriene-abc und 2,3-Dihydrobilatriene-abc in micellaren Systemen

  • Organische Chemie Und Biochemie
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Abstract

Bilatrienes-abc and 2,3-dihydrobilatrienes-abc are effectively solubilised by cationic, anionic and neutral surfactants, like cetyltrimethylammonium bromide, sodium dodecylsulfate and Triton-X-100. The absorption spectra of the solubilised pigments are comparable to those of solutions in common organic solvents. Accordingly, the configurations and conformations of the predominant populations remain unchanged in the micellar systems, compared to solutions. The apparent basicities and acidities of the pigments in micelles are different from those in aqueous solutions, however. This phenomenon may have implications for physiological systems. Two lipophilic pigments bearing long alkyl side chains are newly synthesised.

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Literatur

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Authors and Affiliations

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

    Heinz Falk & Alois Hinterberger

Authors
  1. Heinz Falk
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  2. Alois Hinterberger
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Additional information

Herrn Prof. Dr.K. Komarek zum 60. Geburtstag gewidmet.

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Falk, H., Hinterberger, A. Beiträge zur Chemie der Pyrrolpigmente, 67. Mitt.. Monatsh Chem 117, 1081–1090 (1986). https://doi.org/10.1007/BF00811278

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  • DOI: https://doi.org/10.1007/BF00811278

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