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https://hdl.handle.net/11499/7289| Title: | The synthesis and solvatochromic properties of some novel heterocyclic disazo dyes derived from barbituric acid | Authors: | Yıldırım, Fati Karcı, Fikret |
Keywords: | Absorption properties Azo barbituric acid Barbituric acid Diazo-coupling reaction Disazo dyes Pyrazole Absorption Organic acids pH Solvents Spectrum analysis Synthesis (chemical) Solvatochromic properties Azo dyes absorption acid dye azo dye chemical analysis dye property solvent synthesis |
Abstract: | 5-Amino-4-arylazo-3-methyl-1H-pyrazoles were diazotised and coupled with barbituric acid to provide 13 novel heterocyclic disazo barbituric acid dyes that were characterized by elemental analysis and spectral methods. The effects of varying the pH and solvent on the absorption of the dyes substituted with electron-withdrawing and electron-donating groups at their o-, m-, p-position were examined in detail. © 2007 Elsevier Ltd. All rights reserved. | URI: | https://hdl.handle.net/11499/7289 https://doi.org/10.1016/j.dyepig.2007.07.009 |
ISSN: | 0143-7208 |
| Appears in Collections: | Denizli Teknik Bilimler Meslek Yüksekokulu Koleksiyonu Fen-Edebiyat Fakültesi Koleksiyonu Scopus İndeksli Yayınlar Koleksiyonu / Scopus Indexed Publications Collection WoS İndeksli Yayınlar Koleksiyonu / WoS Indexed Publications Collection |
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