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Solvent and structural effects on the spectral shifts of 5-(substituted phenylazo)-3-cyano-6-hydroxy-1-(2-hydroxyethyl)-4-methyl-2-pyridones
dc.creator | Lađarević, Jelena | |
dc.creator | Božić, Bojan | |
dc.creator | Mutavdžić, Dragosav | |
dc.creator | Ušćumlić, Gordana | |
dc.creator | Mijin, Dušan | |
dc.date.accessioned | 2021-03-10T12:29:41Z | |
dc.date.available | 2021-03-10T12:29:41Z | |
dc.date.issued | 2014 | |
dc.identifier.issn | 0009-2614 | |
dc.identifier.uri | http://TechnoRep.tmf.bg.ac.rs/handle/123456789/2750 | |
dc.description.abstract | Spectral properties, solvatochromism and azo-hydrazone tautomerism of ten 5-(substituted phenylazo)3-cyano-6-hydroxy-1-(2-hydroxyethyl)-4-methyl-2-pyridones in twenty-two solvents are investigated. For quantitative evaluation of the solvent effects on the UV-vis absorption maxima, the principles of the linear solvation energy relationships are used, i.e. models proposed by Kamlet-Taft and Catalan. Linear free energy relationships are applied to the UV-vis absorption spectra and correlation of absorption frequencies with Hammett substituent constants are performed. Furthermore, the influence of the electronic nature of the substituents on H-1 and C-13 NMR shifts is investigated by simple and extended Hammett equations, as well as by Swain-Lupton equation. | en |
dc.publisher | Elsevier Science Bv, Amsterdam | |
dc.relation | info:eu-repo/grantAgreement/MESTD/Basic Research (BR or ON)/172013/RS// | |
dc.rights | restrictedAccess | |
dc.source | Chemical Physics Letters | |
dc.title | Solvent and structural effects on the spectral shifts of 5-(substituted phenylazo)-3-cyano-6-hydroxy-1-(2-hydroxyethyl)-4-methyl-2-pyridones | en |
dc.type | article | |
dc.rights.license | ARR | |
dc.citation.epage | 68 | |
dc.citation.other | 615: 62-68 | |
dc.citation.rank | M22 | |
dc.citation.spage | 62 | |
dc.citation.volume | 615 | |
dc.identifier.doi | 10.1016/j.cplett.2014.09.063 | |
dc.identifier.scopus | 2-s2.0-84949126947 | |
dc.identifier.wos | 000344747400012 | |
dc.type.version | publishedVersion |