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Thienylpyrrole azo dyes: synthesis, solvatochromic and electrochemical properties |
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| Authors: | M. Manuela M. Raposo Ana M.R.C. Sousa G. Kirsch |
| Affiliation: | a Centro de Química, Universidade do Minho, Campus de Gualtar, 4710-057 Braga, Portugal b Laboratoire d'Ingénierie Moléculaire et Biochimie Pharmacologique, UFR SciFA/Université de Metz, 1, Boulevard Arago, Metz Technopôle, 57078 Metz Cedex 3, France |
| Abstract: | 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. |
| Keywords: | Donor-acceptor thienylpyrroles Azo dyes UV-vis spectroscopy Chromophores Solvatochromism Electrochemistry Non-linear optics (NLO) |
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