Thienylpyrrole azo dyes: synthesis, solvatochromic and electrochemical properties

The synthesis and the evaluation of solvatochromic and electrochemical properties of new donor–acceptor-substituted thienylpyrrole azo dyes 3 are described. These derivatives exhibit dramatic changes in both their electronic and redox properties in comparison with thienylpyrroles 1 . In agreement wi...

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Bibliographic Details
Published in:Tetrahedron 2005-08, Vol.61 (34), p.8249-8256
Main Authors: Raposo, M. Manuela M., Sousa, Ana M.R.C., Fonseca, A. Maurício C., Kirsch, G.
Format: Article
Language:English
Subjects:
Azo dyes
Chromophores
Donor–acceptor thienylpyrroles
Electrochemistry
Non-linear optics (NLO)
Solvatochromism
UV–vis spectroscopy
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Summary:The synthesis and the evaluation of solvatochromic and electrochemical properties of new donor–acceptor-substituted thienylpyrrole azo dyes 3 are described. These derivatives exhibit dramatic changes in both their electronic and redox properties in comparison with thienylpyrroles 1 . In agreement with the solvatochromic and electrochemical studies of push–pull derivatives 3 the new compounds prepared, may find application in the manufacture of new materials with notable non-linear optical properties. Graphical Abstract
ISSN:0040-4020
1464-5416
DOI:10.1016/j.tet.2005.06.039