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- W3048468410 abstract "A Schiff base (PTCA) of 4-phenyl-3-thiosemicarbazide with trans-cinnamaldehyde wassynthesized via condensation reaction in the molar ratio 1:1. The synthesized Schiffbase was purified by recrystallization in hot absolute ethanol. The synthesized ligandwas used to prepare metal complexes of Cu(II), Ni(II) and Zn(II) and characterized byseveral analysis techniques. The novel compounds formed has been structurallycharacterised by Fourier-Transformed Infrared (FTIR), Ultraviolet-visible (UV-Vis)spectrophotometer, Flame Atomic absorption spectroscopy (FAAS), 1H and 13C NuclearMagnetic Resonance (NMR) spectrometer, Differential Scanning Calorimetry (DSC).According to the analysis, it shows that the Schiff base existed as thione tautomer and abidentate complex was formed as the Schiff base synthesized was coordinated to themetal ion through azomethine N and thione S. The characterization result of synthesizedSchiff base was conforms to the corresponding proposed structure. All the synthesizedcompounds including Schiff base and its metal complexes were evaluated on itsantioxidant activity. The study on the radical scavenging activity was carried out byusing 1,1-diphenyl-2-picrylhydrazyl (DPPH) as substrate in order to obtain halfmaximal inhibition concentration value (IC50). The results of the DPPH antioxidantassay proved that the copper complex of (E)-N-phenyl-2-((E)-3-phenylallylidene)hydrazine-1-carbothiomide (PTCA) is the most potent antioxidant among all the metalcomplexes." @default.
- W3048468410 created "2020-08-18" @default.
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- W3048468410 date "2020-01-01" @default.
- W3048468410 modified "2023-09-24" @default.
- W3048468410 title "Synthesis, Characterization and Antioxidant Studies of Thiosemicarbazide Derived Schiff Bases and its Metal Complex" @default.
- W3048468410 hasPublicationYear "2020" @default.
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