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- Title
Synthesis, structure and solvatochromic properties of some novel 5-arylazo-6-hydroxy-4- phenyl-3-cyano-2-pyridone dyes.
- Authors
Alimmari, Adel; Mijin, Dušan; Vukićević, Radovan; Božić, Bojan; Valentić, Nataša; Vitnik, Vesna; Vitnik, Željko; Ušćumlić, Gordana
- Abstract
Background: A series of some novel arylazo pyridone dyes was synthesized from the corresponding diazonium salt and 6-hydroxy-4-phenyl-3-cyano-2-pyridone using a classical reaction for the synthesis of the azo compounds. Results: The structure of the dyes was confirmed by UV-vis, FT-IR, 1H NMR and 13C NMR spectroscopic techniques and elemental analysis. The solvatochromic behavior of the dyes was evaluated with respect to their visible absorption properties in various solvents. Conclusions: The azo-hydrazone tautomeric equilibration was found to depend on the substituents as well as on the solvent. The geometry data of the investigated dyes were obtained using DFT quantum-chemical calculations. The obtained calculational results are in very good agreement with the experimental data.
- Subjects
PYRIDONE; AZO compounds; SOLVENTS; PLASTICIZERS; DYES &; dyeing; SPECTRUM analysis
- Publication
Chemistry Central Journal, 2012, Vol 6, Issue 1, p71
- ISSN
1752-153X
- Publication type
Article
- DOI
10.1186/1752-153X-6-71