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Substituent and solvent effects on the UV/vis absorption spectra of 5-(3-and 4-substituted arylazo)-4,6-dimethyl-3-eyano-2-pyridones

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Authors
Mijin, Dušan
Ušćumlić, Gordana
Perišić-Janjić, Nada
Valentić, Nataša
Article (Published version)
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Abstract
Absorption spectra of seventeen 5-(3- and 4-substituted arylazo)-4,6-dimethyl-3-cyano-2-pyridones have been recorded in 12 protic and aprotic solvents in the range 200-600 nm. The effects of substituents on the absorption spectra of these new azo dyes are interpreted by correlation of absorption frequencies with Hammett equation. The solute-solvent interactions were clarified on the basis of linear solvation energy relationships concept proposed by Kamlet and Taft. The 2-pyridone/2-hydroxypiridine tautomeric equilibration is found to depend upon substituents as well as on solvents.
Source:
Chemical Physics Letters, 2006, 418, 1-3, 223-229
Publisher:
  • Elsevier Science Bv, Amsterdam

DOI: 10.1016/j.cplett.2005.10.130

ISSN: 0009-2614

WoS: 000234849500043

Scopus: 2-s2.0-30344469927
[ Google Scholar ]
40
39
URI
http://TechnoRep.tmf.bg.ac.rs/handle/123456789/1003
Collections
  • Radovi istraživača / Researchers’ publications (TMF)
Institution/Community
Tehnološko-metalurški fakultet
TY  - JOUR
AU  - Mijin, Dušan
AU  - Ušćumlić, Gordana
AU  - Perišić-Janjić, Nada
AU  - Valentić, Nataša
PY  - 2006
UR  - http://TechnoRep.tmf.bg.ac.rs/handle/123456789/1003
AB  - Absorption spectra of seventeen 5-(3- and 4-substituted arylazo)-4,6-dimethyl-3-cyano-2-pyridones have been recorded in 12 protic and aprotic solvents in the range 200-600 nm. The effects of substituents on the absorption spectra of these new azo dyes are interpreted by correlation of absorption frequencies with Hammett equation. The solute-solvent interactions were clarified on the basis of linear solvation energy relationships concept proposed by Kamlet and Taft. The 2-pyridone/2-hydroxypiridine tautomeric equilibration is found to depend upon substituents as well as on solvents.
PB  - Elsevier Science Bv, Amsterdam
T2  - Chemical Physics Letters
T1  - Substituent and solvent effects on the UV/vis absorption spectra of 5-(3-and 4-substituted arylazo)-4,6-dimethyl-3-eyano-2-pyridones
EP  - 229
IS  - 1-3
SP  - 223
VL  - 418
DO  - 10.1016/j.cplett.2005.10.130
UR  - conv_2639
ER  - 
@article{
author = "Mijin, Dušan and Ušćumlić, Gordana and Perišić-Janjić, Nada and Valentić, Nataša",
year = "2006",
abstract = "Absorption spectra of seventeen 5-(3- and 4-substituted arylazo)-4,6-dimethyl-3-cyano-2-pyridones have been recorded in 12 protic and aprotic solvents in the range 200-600 nm. The effects of substituents on the absorption spectra of these new azo dyes are interpreted by correlation of absorption frequencies with Hammett equation. The solute-solvent interactions were clarified on the basis of linear solvation energy relationships concept proposed by Kamlet and Taft. The 2-pyridone/2-hydroxypiridine tautomeric equilibration is found to depend upon substituents as well as on solvents.",
publisher = "Elsevier Science Bv, Amsterdam",
journal = "Chemical Physics Letters",
title = "Substituent and solvent effects on the UV/vis absorption spectra of 5-(3-and 4-substituted arylazo)-4,6-dimethyl-3-eyano-2-pyridones",
pages = "229-223",
number = "1-3",
volume = "418",
doi = "10.1016/j.cplett.2005.10.130",
url = "conv_2639"
}
Mijin, D., Ušćumlić, G., Perišić-Janjić, N.,& Valentić, N.. (2006). Substituent and solvent effects on the UV/vis absorption spectra of 5-(3-and 4-substituted arylazo)-4,6-dimethyl-3-eyano-2-pyridones. in Chemical Physics Letters
Elsevier Science Bv, Amsterdam., 418(1-3), 223-229.
https://doi.org/10.1016/j.cplett.2005.10.130
conv_2639
Mijin D, Ušćumlić G, Perišić-Janjić N, Valentić N. Substituent and solvent effects on the UV/vis absorption spectra of 5-(3-and 4-substituted arylazo)-4,6-dimethyl-3-eyano-2-pyridones. in Chemical Physics Letters. 2006;418(1-3):223-229.
doi:10.1016/j.cplett.2005.10.130
conv_2639 .
Mijin, Dušan, Ušćumlić, Gordana, Perišić-Janjić, Nada, Valentić, Nataša, "Substituent and solvent effects on the UV/vis absorption spectra of 5-(3-and 4-substituted arylazo)-4,6-dimethyl-3-eyano-2-pyridones" in Chemical Physics Letters, 418, no. 1-3 (2006):223-229,
https://doi.org/10.1016/j.cplett.2005.10.130 .,
conv_2639 .

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