Solvent and substituent effects on azohydrazone tautomerism of some arylazo pyridone dyes
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Disperse monoazo dyes having pyridones as the coupling component exhibit azo- hydrazone tautomerism [1,2]. nI this work, ten dyes having the same 1-ethyl-4-methyl-6- hydroxy-3-cyano-2-pyridone have been synthesized (Fig. 1) and fully characterized by melting point, FTIR, H' and C31 NMR spectroscopy. Solvatochromism and tautomerism of these dyes have been investigated ni twenty one solvents of different polarity. The effects of specific and non-specific solvent/solute interactions on the position of their UV/Vis absorption bands have been evaluated using the Kamlet-Taft and Catalán solvent parameter sets. Furthermore, the effects on the solvatochromic behaviour of different substitution patterns on the aryl moiety have been examined.
Izvor:
Book of abstracts / 8th International Conference of the Chemical Societies of the South-East European Countries - ICOSECS 8, Belgrade, Serbia, June 27-29, 2013, 2013, 30-Izdavač:
- Belgrade : Serbian Chemical Society
Finansiranje / projekti:
- Proučavanje sinteze, strukture i aktivnosti organskih jedinjenja prirodnog i sintetskog porekla (RS-MESTD-Basic Research (BR or ON)-172013)
Institucija/grupa
Tehnološko-metalurški fakultetTY - CONF AU - Mirković, Jelena AU - Ušćumlić, Gordana AU - Mijin, Dušan PY - 2013 UR - http://TechnoRep.tmf.bg.ac.rs/handle/123456789/7305 AB - Disperse monoazo dyes having pyridones as the coupling component exhibit azo- hydrazone tautomerism [1,2]. nI this work, ten dyes having the same 1-ethyl-4-methyl-6- hydroxy-3-cyano-2-pyridone have been synthesized (Fig. 1) and fully characterized by melting point, FTIR, H' and C31 NMR spectroscopy. Solvatochromism and tautomerism of these dyes have been investigated ni twenty one solvents of different polarity. The effects of specific and non-specific solvent/solute interactions on the position of their UV/Vis absorption bands have been evaluated using the Kamlet-Taft and Catalán solvent parameter sets. Furthermore, the effects on the solvatochromic behaviour of different substitution patterns on the aryl moiety have been examined. PB - Belgrade : Serbian Chemical Society C3 - Book of abstracts / 8th International Conference of the Chemical Societies of the South-East European Countries - ICOSECS 8, Belgrade, Serbia, June 27-29, 2013 T1 - Solvent and substituent effects on azohydrazone tautomerism of some arylazo pyridone dyes SP - 30 UR - https://hdl.handle.net/21.15107/rcub_technorep_7305 ER -
@conference{ author = "Mirković, Jelena and Ušćumlić, Gordana and Mijin, Dušan", year = "2013", abstract = "Disperse monoazo dyes having pyridones as the coupling component exhibit azo- hydrazone tautomerism [1,2]. nI this work, ten dyes having the same 1-ethyl-4-methyl-6- hydroxy-3-cyano-2-pyridone have been synthesized (Fig. 1) and fully characterized by melting point, FTIR, H' and C31 NMR spectroscopy. Solvatochromism and tautomerism of these dyes have been investigated ni twenty one solvents of different polarity. The effects of specific and non-specific solvent/solute interactions on the position of their UV/Vis absorption bands have been evaluated using the Kamlet-Taft and Catalán solvent parameter sets. Furthermore, the effects on the solvatochromic behaviour of different substitution patterns on the aryl moiety have been examined.", publisher = "Belgrade : Serbian Chemical Society", journal = "Book of abstracts / 8th International Conference of the Chemical Societies of the South-East European Countries - ICOSECS 8, Belgrade, Serbia, June 27-29, 2013", title = "Solvent and substituent effects on azohydrazone tautomerism of some arylazo pyridone dyes", pages = "30", url = "https://hdl.handle.net/21.15107/rcub_technorep_7305" }
Mirković, J., Ušćumlić, G.,& Mijin, D.. (2013). Solvent and substituent effects on azohydrazone tautomerism of some arylazo pyridone dyes. in Book of abstracts / 8th International Conference of the Chemical Societies of the South-East European Countries - ICOSECS 8, Belgrade, Serbia, June 27-29, 2013 Belgrade : Serbian Chemical Society., 30. https://hdl.handle.net/21.15107/rcub_technorep_7305
Mirković J, Ušćumlić G, Mijin D. Solvent and substituent effects on azohydrazone tautomerism of some arylazo pyridone dyes. in Book of abstracts / 8th International Conference of the Chemical Societies of the South-East European Countries - ICOSECS 8, Belgrade, Serbia, June 27-29, 2013. 2013;:30. https://hdl.handle.net/21.15107/rcub_technorep_7305 .
Mirković, Jelena, Ušćumlić, Gordana, Mijin, Dušan, "Solvent and substituent effects on azohydrazone tautomerism of some arylazo pyridone dyes" in Book of abstracts / 8th International Conference of the Chemical Societies of the South-East European Countries - ICOSECS 8, Belgrade, Serbia, June 27-29, 2013 (2013):30, https://hdl.handle.net/21.15107/rcub_technorep_7305 .