Synthesis of Novel Tridentate 5-Arylazosalicylaldehyde Thiosemicarbazone Derivatives and Their Complexes with Copper(II)

Herein, novel 5-arylazosalicylaldehyde thiosemicarbazone derivatives ( H 2 L 1–12 ) and their copper(II) complexes have been synthesized and characterized by NMR, IR and UV-Vis spectra and TGA/DTA. The accumulated data exhibit that thiosemicarbazone derivatives bind with copper ion via the deprotona...

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Bibliographic Details
Published in:Russian journal of general chemistry 2021-08, Vol.91 (8), p.1578-1583
Main Authors: Salem, M. A., Abbas, S. Y., Darwish, S. A., Helal, M. H., Aish, E. H.
Format: Article
Language:English
Subjects:
Chemistry
Chemistry and Materials Science
Chemistry/Food Science
Coordination compounds
Copper
Copper compounds
Differential thermal analysis
NMR
Nuclear magnetic resonance
Schiff bases
Stability analysis
Thermal stability
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Summary:Herein, novel 5-arylazosalicylaldehyde thiosemicarbazone derivatives ( H 2 L 1–12 ) and their copper(II) complexes have been synthesized and characterized by NMR, IR and UV-Vis spectra and TGA/DTA. The accumulated data exhibit that thiosemicarbazone derivatives bind with copper ion via the deprotonated phenolic-OH, azomethine-N and deprotonated thiol-SH groups. Accordingly, composition of the complexes can be presented as CuL·H 2 O . The TGA analysis of Cu(II) complexes have revealed their thermal stability up to ca. 170°C.
ISSN:1070-3632
1608-3350
DOI:10.1134/S1070363221080211