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Chemistry of Heterocyclic Compounds

, Volume 44, Issue 2, pp 163–169 | Cite as

Photo-and thermochromic spiranes 30*. Comparative study by X-ray structural analysis of the structure of spiropyrans of the indoline series containing a condensed furan fragment

  • B. S. Lukyanov
  • A. N. Utenyshev
  • V. V. Tkachev
  • S. M. Aldoshin
  • V. I. Minkin
  • M. B. Lukyanova
  • Yu. S. Alekseenko
Article
  • 67 Downloads

Abstract

The structure of an indoline spiropyran of molecular formula C29H33NO2 has been studied by X-ray crystallographic analysis. Structural parameters have been determined for this spiropyran, containing a condensed furan fragment with a tert-butyl group, in comparison with the structure of other spiropyrans of this series. The observation in the absorption spectrum of a photoinduced cis-cis isomer is linked with its stabilization by the steric effect of the bulky tert-butyl group and the strength of barriers at 77 K.

Keywords

indoline spiropyran condensed furan fragment X-ray structural analysis 

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Copyright information

© Springer Science+Business Media, Inc. 2008

Authors and Affiliations

  • B. S. Lukyanov
    • 1
  • A. N. Utenyshev
    • 2
  • V. V. Tkachev
    • 2
  • S. M. Aldoshin
    • 2
  • V. I. Minkin
    • 1
  • M. B. Lukyanova
    • 1
  • Yu. S. Alekseenko
    • 3
  1. 1.Institute of Physical and Organic ChemistrySouthern Federal UniversityRostov-on-DonRussia
  2. 2.Institute of Problems of Chemical PhysicsRussian Academy of Sciences, ChernogolovkaMoscow RegionRussia
  3. 3.Southern Scientific CenterRussian Academy of SciencesRostov-on-DonRussia

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