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N-triazinyl derivatives of 1- and 9-aminoanthracene: synthesis and photo-physical properties
H. Přichystalová, N. Almonasy, M. Nepraš, F. Bureš, M. Dvořák, M. Michl, J. Cermák, L. Burgert,
Jazyk angličtina Země Nizozemsko
Typ dokumentu časopisecké články
- MeSH
- absorpce MeSH
- anthraceny chemická syntéza chemie MeSH
- fluorescenční spektrometrie MeSH
- molekulární konformace MeSH
- molekulární modely MeSH
- techniky syntetické chemie MeSH
- triaziny chemie MeSH
- Publikační typ
- časopisecké články MeSH
New N-triazinyl derivatives were synthesized by reaction of cyanuric chloride with 1- and 9-aminoanthracenes and subsequent nucleophilic substitution of chlorine atoms on triazinyl ring with methoxy and/or phenylamino groups. The compounds were characterized by (1)H and (13)C NMR and mass spectra. The influence of the chemical structure and solvent polarity on the UV/Vis absorption and fluorescence spectra and fluorescence quantum yields were investigated. Semi-empirical computations revealed highly polar CT states in singlet excited state manifold connected with charge-transfer from the hydrocarbon moiety to the triazinyl ring. The relationships between the CT-to-emitting state energy gap, solvent polarity and fluorescence quantum yield were discussed.
Citace poskytuje Crossref.org
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- $a New N-triazinyl derivatives were synthesized by reaction of cyanuric chloride with 1- and 9-aminoanthracenes and subsequent nucleophilic substitution of chlorine atoms on triazinyl ring with methoxy and/or phenylamino groups. The compounds were characterized by (1)H and (13)C NMR and mass spectra. The influence of the chemical structure and solvent polarity on the UV/Vis absorption and fluorescence spectra and fluorescence quantum yields were investigated. Semi-empirical computations revealed highly polar CT states in singlet excited state manifold connected with charge-transfer from the hydrocarbon moiety to the triazinyl ring. The relationships between the CT-to-emitting state energy gap, solvent polarity and fluorescence quantum yield were discussed.
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