1,3,4-Thiadiazole-Containing Azo Dyes: Synthesis, Spectroscopic Properties and Molecular Structure
| Autor: | Rafal Kruszynski, Marcin Luczynski, Tomasz Sierański, Agnieszka Kudelko, Marcin Swiatkowski, Monika Olesiejuk |
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| Jazyk: | angličtina |
| Rok vydání: | 2020 |
| Předmět: |
Models
Molecular azo-coupling reactions crystal structure Substituent Pharmaceutical Science Crystal structure Mass spectrometry Article Analytical Chemistry lcsh:QD241-441 chemistry.chemical_compound Aniline lcsh:Organic chemistry Drug Discovery Thiadiazoles Molecule Physical and Theoretical Chemistry Spectroscopy heterocycles Molecular Structure Organic Chemistry chemistry Chemistry (miscellaneous) Elemental analysis 2-arylazo-5-aryl-1 3 4-thiadiazoles Molecular Medicine Physical chemistry Spectrophotometry Ultraviolet Single crystal Azo Compounds |
| Zdroj: | Molecules Molecules, Vol 25, Iss 2822, p 2822 (2020) Volume 25 Issue 12 |
| ISSN: | 1420-3049 |
| Popis: | Three series of azo dyes derived from 2-amino-5-aryl-1,3,4-thiadiazoles and aniline, N,N-dimethylaniline and phenol were synthesized in high yields by a conventional diazotization-coupling sequence. The chemical structures of the prepared compounds were confirmed by 1H-NMR, 13C-NMR, IR, UV-Vis spectroscopy, mass spectrometry and elemental analysis. In addition, the X-ray single crystal structure of a representative azo dye was presented. For explicit determination of the influence of a substituent on radiation absorption in UV-Vis range, time-dependent density functional theory calculations were performed. |
| Databáze: | OpenAIRE |
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