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Synthesis, spectroscopic studies, and antioxidant activities of novel thio/carbohydrazones and bis-isatin derivatives from terephthalaldehyde.

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dc.contributor.authorMuĞlu, Halit, Yakan, Hasan, Bakir, Temel Kan
dc.contributor.authorHasan YAKAN, Temel Kan BAKIR, Halit MUĞLU
dc.contributor.authorMuglu, H, Yakan, H, Bakir, TK
dc.date.accessioned2023-05-09T20:28:50Z
dc.date.available2023-05-09T20:28:50Z
dc.date.issued2020-02-11
dc.date.issued2020-02-01
dc.date.issued2020.01.01
dc.description.abstractNew 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, H NMR, and 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.
dc.description.abstractNew 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 inthe presence of a few drops of acetic acid under reflux in ethanol. The structures of these synthesized compounds weredetermined using IR, 1 H NMR, and 13 C NMR spectroscopy and elemental analysis. The in vitro antioxidant activityof 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.
dc.identifier.citationYakan, H., Bakir, T., Muğlu, H. (2020). Synthesis, spectroscopic studies, and antioxidant activities of novel thio/carbohydrazones and bis-isatin derivatives from terephthalaldehyde. Turkish Journal of Chemistry, 44(1), 237-248
dc.identifier.doi10.3906/kim-1910-13
dc.identifier.endpage248
dc.identifier.endpage+
dc.identifier.issn1300-0527
dc.identifier.pubmed33488154
dc.identifier.scopus2-s2.0-85081959349
dc.identifier.startpage237
dc.identifier.startpage237
dc.identifier.trdizin335157
dc.identifier.urihttps://hdl.handle.net/20.500.12597/15112
dc.identifier.urihttps://search.trdizin.gov.tr/publication/detail/335157/synthesis-spectroscopic-studies-and-antioxidant-activities-of-novel-thiocarbohydrazones-and-bis-isatin-derivatives-from-terephthalaldehyde
dc.identifier.volume44
dc.identifier.wosWOS:000513771000018
dc.relation.ispartofTurkish Journal of Chemistry
dc.relation.ispartofTURKISH JOURNAL OF CHEMISTRY
dc.rightsfalse
dc.rightsinfo:eu-repo/semantics/openAccess
dc.subjectDPPH
dc.titleSynthesis, spectroscopic studies, and antioxidant activities of novel thio/carbohydrazones and bis-isatin derivatives from terephthalaldehyde.
dc.titleSynthesis, spectroscopic studies, and antioxidant activities of novel thio/carbohydrazones and bis-isatin derivatives from terephthalaldehyde
dc.titleSynthesis, spectroscopic studies, and antioxidant activities of novel thio/carbohydrazones and bis-isatin derivatives from terephthalaldehyde
dc.typeJournal Article
dc.typeRESEARCH
dspace.entity.typePublication
oaire.citation.issue1
oaire.citation.volume44
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