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Chemistry of Heterocyclic Compounds

, Volume 44, Issue 1, pp 78–85 | Cite as

Carbocyanines — derivatives of nitrogen-containing heterocycles with bridging groups in the chromophore

  • E. I. Mayboroda
  • Yu. L. Slominsky
  • A. V. Turov
  • A. I. Tolmachev
Article

Abstract

Tetramethylene-2,2′-bis(1,3,3-trimethyl-(3H)-indolium),-3-ethylbenzothiazolium,-1-methyl-quinolinium, and-1-methyl-and-1-butylbenz[c,d]indolium salts were synthesized starting from them trimethinecyanines containing an ethylene bridging group in the α, α′-positions of the chromophore have been prepared. These compounds are converted to their analogs containing a vinylene group by the action of benzoquinones. In the case of thiacarbocyanines the effect of the indicated bridging groups on the conformation and protonation route of the carbocyanines has been studied. The chromaticity of the dyes has been investigated.

Keywords

bis-salt carbocyanine bridging group absorption band chromophore 

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Copyright information

© Springer Science+Business Media, Inc. 2008

Authors and Affiliations

  • E. I. Mayboroda
    • 1
  • Yu. L. Slominsky
    • 1
  • A. V. Turov
    • 2
  • A. I. Tolmachev
    • 1
  1. 1.Institute of Organic ChemistryNational Academy of Sciences of UkraineKiev 94Ukraine
  2. 2.Taras Shevchenko National UniversityKievUkraine

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