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https://hdl.handle.net/11499/4718
Title: | Synthesis and investigations of the absorption spectra of hetarylazo disperse dyes derived from 2,4-quinolinediol | Authors: | Şener, I. Karcı, Fikret Ertan, N. Kiliç, E. |
Keywords: | Azoquinoline dyes Benzothiazolylazo dyes Heterocyclic disperse dyes Solvent effect Substituent effect Thiazolylazo dyes Absorption spectroscopy Amines Characterization Color Composition effects Fourier transform infrared spectroscopy Nuclear magnetic resonance spectroscopy pH effects Solvents Synthesis (chemical) Thermal effects Ultraviolet spectroscopy Diazotisation Azo dyes absorption disperse dye synthesis |
Abstract: | Synthesis of some novel hetarylazoquinoline dyes was achieved by diazotisation of nine heterocyclic amines using nitrosyl sulphuric acid, coupling with 2,4-quinolinediol. These dyes were characterized by UV-vis, FT-IR and 1H NMR spectroscopic techniques and elemental analysis. Visible absorption spectra of the dyes are discussed, both the effects of varying pH and solvent upon the absorption ability of azoquinolines. The colour of the dyes was discussed with respect to the nature of the heterocyclic ring and to the substituents therein. Temperature and concentration effects on the visible absorption maxima of the dyes are also reported. © 2005 Elsevier Ltd. All rights reserved. | URI: | https://hdl.handle.net/11499/4718 https://doi.org/10.1016/j.dyepig.2005.05.003 |
ISSN: | 0143-7208 |
Appears in Collections: | Fen-Edebiyat Fakültesi Koleksiyonu Scopus İndeksli Yayınlar Koleksiyonu / Scopus Indexed Publications Collection WoS İndeksli Yayınlar Koleksiyonu / WoS Indexed Publications Collection |
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