2-Aryl-5-amino-1,2,3-triazoles: New effective blue-emitting fluorophores

Kseniya D. Gavlik, Ekaterina S. Sukhorukova, Yuri M. Shafran, Pavel A. Slepukhin, Enrico Benassi, Nataliya P. Belskaya

Research output: Contribution to journalArticle

10 Citations (Scopus)

Abstract

The synthesis of a new series of 2-aryl-5-amino-1,2,3-triazole derivatives is reported. The photochemical properties of these new fluorophores were studied both experimentally and using theoretical models. The compounds were found to be fluorescent, with Stokes shifts ranging from 40 nm (2494 ≿м−1) to 140 nm (9461 cm−1) and quantum yield values between 0.004 and 0.996. The fluorescence of the 1,2,3-triazoles was highly structure dependent and could be tuned by variation of the substituents at the C-4 and C-5 atoms of triazole ring and by the electronic and spatial effect of substituents within the aromatic cycle. Photophysical studies showed moderate changes in the fluorescence quantum yields depending on the solvent polarity. The UV–Vis spectra calculations employing the time-dependent density functional theory (TD-DFT) are in good agreement with the experimental data. The favourable photophysical properties of the studied compounds and their facile and high-yielding synthesis make them excellent candidates for commercial application as fluorescent tags.

Original languageEnglish
Pages (from-to)229-242
Number of pages14
JournalDyes and Pigments
Volume136
DOIs
Publication statusPublished - 1 Jan 2017
Externally publishedYes

Fingerprint

Triazoles
Fluorophores
Quantum yield
Fluorescence
Density functional theory
Derivatives
Atoms

Keywords

  • 2-Aryl-5-amino-1,2,3-triazole
  • Fluorescence
  • Quantum yield
  • Solvatochromism
  • Stokes shift

ASJC Scopus subject areas

  • Chemical Engineering(all)
  • Process Chemistry and Technology

Cite this

Gavlik, K. D., Sukhorukova, E. S., Shafran, Y. M., Slepukhin, P. A., Benassi, E., & Belskaya, N. P. (2017). 2-Aryl-5-amino-1,2,3-triazoles: New effective blue-emitting fluorophores. Dyes and Pigments, 136, 229-242. https://doi.org/10.1016/j.dyepig.2016.08.015

2-Aryl-5-amino-1,2,3-triazoles : New effective blue-emitting fluorophores. / Gavlik, Kseniya D.; Sukhorukova, Ekaterina S.; Shafran, Yuri M.; Slepukhin, Pavel A.; Benassi, Enrico; Belskaya, Nataliya P.

In: Dyes and Pigments, Vol. 136, 01.01.2017, p. 229-242.

Research output: Contribution to journalArticle

Gavlik, KD, Sukhorukova, ES, Shafran, YM, Slepukhin, PA, Benassi, E & Belskaya, NP 2017, '2-Aryl-5-amino-1,2,3-triazoles: New effective blue-emitting fluorophores', Dyes and Pigments, vol. 136, pp. 229-242. https://doi.org/10.1016/j.dyepig.2016.08.015
Gavlik, Kseniya D. ; Sukhorukova, Ekaterina S. ; Shafran, Yuri M. ; Slepukhin, Pavel A. ; Benassi, Enrico ; Belskaya, Nataliya P. / 2-Aryl-5-amino-1,2,3-triazoles : New effective blue-emitting fluorophores. In: Dyes and Pigments. 2017 ; Vol. 136. pp. 229-242.
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