Russian Chemical Bulletin

, Volume 55, Issue 2, pp 287–294 | Cite as

Synthesis and complexation properties of photochromic benzochromenes containing aza-and diaza-18-crown-6-ether fragments

  • O. A. Fedorova
  • Yu. P. Strokach
  • A. V. Chebun’kova
  • T. M. Valova
  • S. P. Gromov
  • M. V. Alfimov
  • V. Lokshin
  • A. Samat


Complex formation of Mg2+, Ba2+, and Pb2+ perchlorates with 3,3-diphenyl-3H-benzo[f]chromenes containing aza-and diaza-18-crown-6-ether or morpholine fragments was studied. The strong influence of the metal cations on the spectral characteristics of these organic ligands and on the kinetic of photochromic transformations was found. The results obtained were explained by the formation of carbonyl-“ capped” complexes of various structures.

Key words

aza-18-crown-6 ethers 3,3-diphenyl-3H-benzo[f]chromenes complex formation photoinduced transformations carbonyl-“capped” complex magnesium complexes barium complexes lead complexes 


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Copyright information

© Springer Science+Business Media, Inc. 2006

Authors and Affiliations

  • O. A. Fedorova
    • 1
  • Yu. P. Strokach
    • 1
  • A. V. Chebun’kova
    • 1
  • T. M. Valova
    • 1
  • S. P. Gromov
    • 1
  • M. V. Alfimov
    • 1
  • V. Lokshin
    • 2
  • A. Samat
    • 2
  1. 1.Photochemistry CenterRussian Academy of SciencesMoscowRussian Federation
  2. 2.Department of Natural SciencesMediterranean UniversityMarseilleFrance

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