Journal
JOURNAL OF PHOTOCHEMISTRY AND PHOTOBIOLOGY A-CHEMISTRY
Volume 211, Issue 2-3, Pages 162-169Publisher
ELSEVIER SCIENCE SA
DOI: 10.1016/j.jphotochem.2010.03.002
Keywords
Anthracene derivatives; Arylacetylenes; Synthesis; Spectral/photophysical properties
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Funding
- MIUR (Ministero dell'Universita e della Ricerca), Rome, Italy
- Fondazione Cassa di Risparmio
- Regione Umbria, Perugia, Italy [POR FSE 2007-2013]
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Four novel diarylanthracene derivatives (1, 5a, 5b, 6) have been synthesized by Suzuki and Sonogashira coupling reactions, characterized and their structure assigned by H-1 and C-13 NMR spectroscopy. The spectral and photophysical properties of a series of symmetrically and asymmetrically disubstituted anthracene-based compounds (1-6) and of benzothiadiazole derivative 7 have been studied. All these photostable systems show high fluorescence emission and a batochromic shift of the absorption spectrum that increase with pi-conjugation. Flash photolysis measurements were carried out on the poor fluorescent compound 4. (C) 2010 Elsevier B.V. All rights reserved.
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