EventsThe 12th International Electronic Conference on Synthetic Organic Chemistry
Event submissions
Published
with-doi10.3390/ecsoc-12-01272
This submission belongs to the session g. Computational Chemistry of the event The 12th International Electronic Conference on Synthetic Organic Chemistry
Published date
30 Nov, 2008
Citation
S. Tahir Alia, Marcin Palusiakc, Liudmil Antonovd, Walter M. F. Fabiana, Substituent and Solvent Effects on the Tautomerism of 1-Phenylazo-2-Naphthol: A Computational Study, in Proceedings of The 12th International Electronic Conference on Synthetic Organic Chemistry, 1 November–30 November 2008, MDPI: Basel, Switzerland, doi: 10.3390/ecsoc-12-01272
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Substituent and Solvent Effects on the Tautomerism of 1-Phenylazo-2-Naphthol: A Computational Study

S. Tahir Alia 1,2
Marcin Palusiakc 3
Liudmil Antonovd 4
Walter M. F. Fabiana 1
1. Institut für Chemie, Karl-Franzens-Universität Graz, Heinrichstrasse 28, 8010 Graz, Austria
2. Department of Chemistry, Federal Urdu University of Arts, Science & Technology, Gulshan-e-Iqbal, Science Campus, Karachi, Sindh, Pakistan
3. Department of Crystallography and Crystal Chemistry, University of Lodz, Pomorska 149/153, 90-236 Lodz, Poland
4. Institute of Organic Chemistry, Bulgarian Academy of Sciences, Sofia, Bulgaria
Abstract
The tautomerism between enol and inone forms of 1-phenylazo-2-naphthol is discussed in this work. The density functional theory (DFT) method is used at the level of B3LYP/6-31+G(d,p) for computations and it showed good agreement with the experimental data qualitatively. Generally quinone forms (of studied compounds) are more stable than naphthol forms. Electron attracting groups move the equilibrium also towards quinone form while releasing groups move the equilibrium to the naphthol form. The polarity of solvents does not have significant effect on the equilibrium.
Keywords
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