Synthesis and solvatochromism of some hydroxy substituted phenyl azo pyridone dyes

Aryl azo dyes are widely used due to their excellent physicochemical properties (primarily high value of the molar extinction coefficient and great resistance to light and wet processing) and the fact that can be obtained in a simple method of diazotization and coupling. In this paper, three new dye...

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Main Authors: Đenđi Vaštag, Dušan Mijin
Format: Article
Language:English
Published: Engineering Society for Corrosion, Belgrade, Serbia 2023-12-01
Series:Zaštita Materijala
Online Access:https://www.zastita-materijala.org/index.php/home/article/view/76
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author Đenđi Vaštag
Dušan Mijin
author_facet Đenđi Vaštag
Dušan Mijin
author_sort Đenđi Vaštag
collection DOAJ
description Aryl azo dyes are widely used due to their excellent physicochemical properties (primarily high value of the molar extinction coefficient and great resistance to light and wet processing) and the fact that can be obtained in a simple method of diazotization and coupling. In this paper, three new dyes of 5-(hydroxy substituted phenylazo)-3-cyano-6-hydroxy-4-methyl-2-pyridone were synthesized by a diazo coupling reaction. The obtained dyes were characterized by melting point, IR, NMR, and UV-Vis spectroscopy. Given the fact that the structure of the molecule and interactions obtained with the surrounding medium can affect its activity, the possibility of azo hydrazo tautomerism has been studied, as the influence of the position of the substituent present (orto-, meta- and para position). In addition, the effect of the solvent used was determined by applying a solvatochromic model using the LSER method (linear solvation energy relationship). Obtaining information about the inter and intramolecular relationships that newly synthesized compounds can achieve may be of great importance for all further investigations and their potential application as biologically active compounds.
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institution Kabale University
issn 0351-9465
2466-2585
language English
publishDate 2023-12-01
publisher Engineering Society for Corrosion, Belgrade, Serbia
record_format Article
series Zaštita Materijala
spelling doaj-art-a30d6b2743e34cde89b32982e8d1fdba2024-12-09T17:01:08ZengEngineering Society for Corrosion, Belgrade, SerbiaZaštita Materijala0351-94652466-25852023-12-0164444445110.5937/zasmat2304444M75Synthesis and solvatochromism of some hydroxy substituted phenyl azo pyridone dyesĐenđi Vaštag0Dušan Mijin1University of Novi Sad, Faculty of Science, Department of Chemistry, Biochemistry and Environmental Protection, SerbiaUniversity of Belgrade, Faculty of Technology and Metallurgy, SerbiaAryl azo dyes are widely used due to their excellent physicochemical properties (primarily high value of the molar extinction coefficient and great resistance to light and wet processing) and the fact that can be obtained in a simple method of diazotization and coupling. In this paper, three new dyes of 5-(hydroxy substituted phenylazo)-3-cyano-6-hydroxy-4-methyl-2-pyridone were synthesized by a diazo coupling reaction. The obtained dyes were characterized by melting point, IR, NMR, and UV-Vis spectroscopy. Given the fact that the structure of the molecule and interactions obtained with the surrounding medium can affect its activity, the possibility of azo hydrazo tautomerism has been studied, as the influence of the position of the substituent present (orto-, meta- and para position). In addition, the effect of the solvent used was determined by applying a solvatochromic model using the LSER method (linear solvation energy relationship). Obtaining information about the inter and intramolecular relationships that newly synthesized compounds can achieve may be of great importance for all further investigations and their potential application as biologically active compounds.https://www.zastita-materijala.org/index.php/home/article/view/76
spellingShingle Đenđi Vaštag
Dušan Mijin
Synthesis and solvatochromism of some hydroxy substituted phenyl azo pyridone dyes
Zaštita Materijala
title Synthesis and solvatochromism of some hydroxy substituted phenyl azo pyridone dyes
title_full Synthesis and solvatochromism of some hydroxy substituted phenyl azo pyridone dyes
title_fullStr Synthesis and solvatochromism of some hydroxy substituted phenyl azo pyridone dyes
title_full_unstemmed Synthesis and solvatochromism of some hydroxy substituted phenyl azo pyridone dyes
title_short Synthesis and solvatochromism of some hydroxy substituted phenyl azo pyridone dyes
title_sort synthesis and solvatochromism of some hydroxy substituted phenyl azo pyridone dyes
url https://www.zastita-materijala.org/index.php/home/article/view/76
work_keys_str_mv AT đenđivastag synthesisandsolvatochromismofsomehydroxysubstitutedphenylazopyridonedyes
AT dusanmijin synthesisandsolvatochromismofsomehydroxysubstitutedphenylazopyridonedyes