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Synthesis, spectroscopic studies, and antioxidant activities of novelthio/carbohydrazones and bis-isatin derivatives from terephthalaldehyde
2020
Journal:  
Turkish Journal of Chemistry
Author:  
DOI:  
10.3906/kim-1910-13
Abstract:

New bis(isatins-thio/carbohydrazones) based on Schiff bases were prepared from terephthalaldehyde biscarbohydrazone and 5-substituted isatins in the presence of a drop of sulfuric acid under reflux in ethanol. Terephthalaldehyde bis(thio/carbohydrazone) was synthesized by the reaction of (thio)/carbohydrazide and terephthalaldehyde in the presence of a few drops of acetic acid under reflux in ethanol. The structures of these synthesized compounds were determined using IR, $^{1}$H NMR, and $^{13}$C NMR spectroscopy and elemental analysis. The in vitro antioxidant activity of all the compounds was determined by the 1,1-diphenyl-2-picryl hydrazyl (DPPH.) free radical scavenging method. Compound 2 showed the best antioxidant activity.

Keywords:

null
2020
Journal:  
Turkish Journal of Chemistry
Author:  
DOI:  
10.3906/kim-1910-13
0
2020
Journal:  
Turkish Journal of Chemistry
Author:  
DOI:  
10.3906/kim-1910-13
Citation Owners
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Turkish Journal of Chemistry

Field :   Fen Bilimleri ve Matematik

Journal Type :   Uluslararası

Metrics
Article : 2.410
Cite : 1.692
2023 Impact : 0.068
Details
Turkish Journal of Chemistry