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Fouad R, Ali TE, Assiri MA, Shenouda SS. Synthesis, structural, spectroscopic and electric/dielectric studies of a nanocrystalline Ni(ii) complex based on [(1,3-diphenyl-1 H-pyrazol-4-yl)methylene]thiocarbonohydrazide. RSC Adv 2024; 14:9747-9757. [PMID: 38525057 PMCID: PMC10959077 DOI: 10.1039/d4ra00665h] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Grants] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 01/25/2024] [Accepted: 03/01/2024] [Indexed: 03/26/2024] Open
Abstract
A Ni2+ nanocomplex based on a heterocyclic ligand containing a pyrazole moiety was developed in this work, and its electric conductivity and dielectric characteristics were studied. The Ni2+ nanocomplex with the general formula [Ni(PyT)2(H2O)2]Cl2·½H2O, where PyT = [(1,3-diphenyl-1H-pyrazol-4-yl)methylene]thiocarbonohydrazide, was characterized using various techniques, including elemental and thermal analyses, as well as conductivity, magnetism, TEM, and spectroscopic (FT-IR, UV-Vis and XRD) studies. The results showed that PyT was bonded to the Ni(ii) centers via a neutral bidentate ligand, resulting in an octahedral-shaped, thermally stable mononuclear complex. The frequency response of the dielectric properties and ac conductivity was studied in the range from 200 Hz to 6 kHz. Both dielectric constant and dielectric loss decreased with increasing frequency. In addition, the effect of temperature was investigated in the range of 294.1-363.4 K. The ac conductivity increased with increasing temperature in the range of 294.1-333.5 K. The ac conduction is described as correlated barrier hopping between non-intimate valence alternation pairs. Furthermore, the PyT and Ni(PyT) nanocomplex structures were optimized using theoretical calculations and DFT computations.
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Affiliation(s)
- R Fouad
- Department of Chemistry, Faculty of Education, Ain Shams University, Roxy Cairo Egypt
| | - Tarik E Ali
- Department of Chemistry, Faculty of Science, King Khalid University P. O. Box 9004 Abha 61421 Saudi Arabia
| | - Mohammed A Assiri
- Department of Chemistry, Faculty of Science, King Khalid University P. O. Box 9004 Abha 61421 Saudi Arabia
| | - S S Shenouda
- Physics Department, Faculty of Education, Ain Shams University, Roxy Cairo Egypt
- Department of Basic Sciences, Obour High Institute for Engineering and Technology Egypt
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Bourouai MA, Si Larbi K, Bouchoucha A, Terrachet-Bouaziz S, Djebbar S. New Ni(II) and Pd(II) complexes bearing derived sulfa drug ligands: synthesis, characterization, DFT calculations, and in silico and in vitro biological activity studies. Biometals 2023; 36:153-188. [PMID: 36427181 DOI: 10.1007/s10534-022-00469-3] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 08/05/2022] [Accepted: 11/16/2022] [Indexed: 11/26/2022]
Abstract
In the present study, the synthesis of six new Ni(II) and Pd(II) complexes with three derived sulfamethoxazole drug ligands is reported. The coordination mode, geometry, and chemical formula of all the synthesized compounds have been determined by elemental analysis, mass spectrometry, emission atomic spectroscopy, conductivity measurements, magnetic susceptibility, FTIR, TGA, 1H-NMR, electronic absorption spectroscopy, SEM-EDX along with DFT calculations. The Schiff Base ligands were found to be bidentate and coordinated to the metal ions through sulfonamidic nitrogen and oxazolic nitrogen atoms leading to a square planar geometry for palladium (II) while a distorted octahedral geometry around Nickel (II) ion was suggested. Biological applications of the new complexes including in vitro antimicrobial, antioxidant and anticancer properties were investigated. The results showed that the new metal (II) compounds exhibit remarkable antibacterial inhibition activity against both Gram-positive and Gram-negative bacteria, in addition to noticeable DPPH free radical scavenging activity. The in vitro cytotoxicity assay of the complexes against cell lines of chronic myelogenous leukaemia (K562) showed promising potential for the application of the coordination compounds in antitumor therapy. Subsequently, to evaluate the pharmaceutical potential of the metal-containing compounds, pharmacokinetics and toxicity were studied by ADMET simulations while interactions between the complexes and bacterial proteins were evaluated by molecular docking.
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Affiliation(s)
- Mohamed Amine Bourouai
- Hydrometallurgy and Molecular Inorganic Chemistry Laboratory, Faculty of Chemistry, University of Science and Technology Houari Boumediene, BP 32 El Alia, 16111, Algiers, Algeria
| | - Karima Si Larbi
- Hydrometallurgy and Molecular Inorganic Chemistry Laboratory, Faculty of Chemistry, University of Science and Technology Houari Boumediene, BP 32 El Alia, 16111, Algiers, Algeria
| | - Afaf Bouchoucha
- Hydrometallurgy and Molecular Inorganic Chemistry Laboratory, Faculty of Chemistry, University of Science and Technology Houari Boumediene, BP 32 El Alia, 16111, Algiers, Algeria.
| | | | - Safia Djebbar
- Hydrometallurgy and Molecular Inorganic Chemistry Laboratory, Faculty of Chemistry, University of Science and Technology Houari Boumediene, BP 32 El Alia, 16111, Algiers, Algeria
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Ranjitha N, Krishnamurthy G, Bhojya Naik H, Pari M, Afroz L, Sumadevi K, Manjunatha M. Structural elucidation, voltammetric detection of dopamine, molecular docking and biological inspection of novel 4-aminoantipyrine derived Schiff bases in Co (II), Ni (II) and Cu (II) complexes. Inorganica Chim Acta 2022. [DOI: 10.1016/j.ica.2022.121191] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/05/2022]
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Electrochemical determination of glucose and H2O2 using Co(II), Ni(II), Cu(II) complexes of novel 2-(1,3-benzothiazol-2-ylamino)–N-(5-chloro-2-hydroxyphenyl)acetamide: Synthesis, structural characterization, antimicrobial, anticancer activity and docking studies. J Mol Struct 2022. [DOI: 10.1016/j.molstruc.2022.134483] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/11/2022]
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New Bi-Nuclear Nickel(II) Complex-Based Salen Schiff Base: Synthesis, Crystal Structure, Spectroscopic, Thermal, and Electrical Investigations. CHEMISTRY 2022. [DOI: 10.3390/chemistry4040080] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/05/2022] Open
Abstract
In this study, a new bi-nuclear nickel complex [Ni2HL2(EtOH)2](Cl)(EtOH) of a Schiff base ligand, 2-[3-[2-hydroxybenzylideneamino]propyliminomethyl]phenol, was synthesized and characterized using UV/Vis, IR, HRMS, and TGA/DTA analysis. The molecular structure of the obtained complex was corroborated by the single crystal X-ray diffraction technique. It was found in the complex that two molecules of the ligand coordinate with two nickel atoms through azomethine-N and phenoxy-O, resulting in 6-coordinate distorted octahedral geometry, in which two ethanol molecules occupy the axial positions. The dielectric and electrical properties of the obtained samples were studied by impedance spectroscopy at different frequencies (from 1 Hz to 1 MHz) in the temperature range 298–343 K. It is found that the electrical conductivity of the Ni(II) complex is lower than that of the free ligand H2L, suggesting that the complexation traps the charge carriers contained in the ligand.
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Abdelrahman MS, Omar FM, Saleh AA, El-ghamry MA. Synthesis, molecular modeling, and docking studies of a new pyridazinone-acid hydrazone ligand, and its nano metal complexes. Spectroscopy, thermal analysis, electrical properties, DNA cleavage, antitumor, and antimicrobial activities. J Mol Struct 2022. [DOI: 10.1016/j.molstruc.2021.131947] [Citation(s) in RCA: 1] [Impact Index Per Article: 0.5] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 01/27/2023]
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Fouad R, Shaaban IA, Ali TE, Assiri MA, Shenouda SS. Co(ii), Ni(ii), Cu(ii) and Cd(ii)-thiocarbonohydrazone complexes: spectroscopic, DFT, thermal, and electrical conductivity studies. RSC Adv 2021; 11:37726-37743. [PMID: 35498107 PMCID: PMC9043744 DOI: 10.1039/d1ra06902k] [Citation(s) in RCA: 5] [Impact Index Per Article: 1.7] [Reference Citation Analysis] [Abstract] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 09/14/2021] [Accepted: 10/27/2021] [Indexed: 11/21/2022] Open
Abstract
New and stable coordinated compounds have been isolated in a good yield. The chelates have been prepared by mixing Co(ii), Ni(ii), Cu(ii), and Cd(ii) metal ions with (1E)-1-((6-methyl-4-oxo-4H-chromen-3-yl)methylene)thiocarbonohydrazide (MCMT) in 2 : 1 stoichiometry (MCMT : M2+). Various techniques, including elemental microanalyses, molar conductance, thermal studies, FT-IR, 1H-NMR, UV-Vis, and XRD spectral analyses, magnetic moment measurements, and electrical conductivity, were applied for the structural and spectroscopic elucidation of the coordinating compounds. Further, computational studies using the DFT-B3LYP method were reported for MCMT and its metal complexes. MCMT behaves as a neutral NS bidentate moiety that forms octahedral complexes with general formula [M(MCMT)2Cl(OH2)]Cl·XH2O (M = Cu2+; (X = ½), Ni2+, Co2+; (X = 1)); [Cd(MCMT)2Cl2]·½H2O. There is good confirmation between experimental infrared spectral data and theoretical DFT-B3LYP computational outcomes where MCMT acts as a five-membered chelate bonded to the metal ion through azomethine nitrogen and thiocarbonyl sulphur donors. The thermal analysis is studied to confirm the elucidated structure of the complexes. Also, the kinetic and thermodynamic parameters of the thermal decomposition steps were evaluated. The measured optical band gap values of the prepared compounds exhibited semiconducting nature. AC conductivity and dielectric properties of the ligand and its complexes were examined, which showed that Cu(ii) complex has the highest dielectric constant referring to its high polarization and storage ability.
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Affiliation(s)
- R Fouad
- Department of Chemistry, Faculty of Education, Ain Shams University Roxy Cairo Egypt +20 22581243 +201000212207
| | - Ibrahim A Shaaban
- Department of Chemistry, Faculty of Science, King Khalid University P. O. Box 9004 Abha 61321 Saudi Arabia.,Department of Chemistry, Faculty of Science (Men's Campus), Al-Azhar University Nasr City 11884 Cairo Egypt
| | - Tarik E Ali
- Department of Chemistry, Faculty of Science, King Khalid University P. O. Box 9004 Abha 61321 Saudi Arabia.,Department of Chemistry, Faculty of Education, Ain Shams University Roxy Cairo Egypt +20 22581243 +201000212207
| | - Mohammed A Assiri
- Department of Chemistry, Faculty of Science, King Khalid University P. O. Box 9004 Abha 61321 Saudi Arabia
| | - S S Shenouda
- Physics Department, Faculty of Education, Ain Shams University Roxy Cairo Egypt
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Impediment of Iron Corrosion by N,N′-Bis[2-hydroxynaphthylidene]amino]oxamide in 3.5% NaCl Solution. CRYSTALS 2021. [DOI: 10.3390/cryst11101263] [Citation(s) in RCA: 4] [Impact Index Per Article: 1.3] [Reference Citation Analysis] [Abstract] [Track Full Text] [Subscribe] [Scholar Register] [Indexed: 11/16/2022]
Abstract
Hydrazone [N,N′-bis[2-hydroxynaphthylidene]amino]oxamide] derived from the condensation of ethanedihydrazide with 2-hydroxynaphthalene-1-carbaldehyde was synthesized and assessed on the basis of elemental analysis (CHN) and spectral (IR, mass, 13C/1H NMR and UV-Vis) measurements. The influence of N,N-bis([2-hydroxynaphthylidene]amino)oxamide (HAO) in terms of the inhibition of iron corrosion in concentrated sodium chloride solution (3.5 wt.% NaCl) after various exposure periods was assessed. Numerous electrochemical and spectroscopic assessment techniques were performed. Cyclic potentiodynamic polarization experiments indicated that the presence of HAO and its increased concentration decreased the corrosion of iron in NaCl solution by decreasing the corrosion values, anodic and cathodic currents, and corrosion rate. The electrochemical impedance spectroscopy results showed that HAO molecules greatly increased the corrosion resistance. The chronoamperometric experiments performed at −475 mV (Ag/AgCl) revealed that the HAO molecules decreased the absolute currents and reduced the probability of the occurrence of pitting corrosion. The effect of HAO on the inhibition of iron corrosion was also confirmed through scanning electron microscopy micrographs and energy-dispersive X-ray profile analyses, which proved that the surface of the iron sample exposed to chloride solution alone was pitted, while the presence of HAO molecules reduced the severity of the pitting corrosion. The results confirmed that the presence of HAO molecules inhibits the corrosion of iron and this impact increased when the exposure time was increased to 48 h.
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Dongare G, Aswar A. Synthesis, spectral characterization, thermo-kinetic and biological studies of some complexes derived from tridentate hydrazone Schiff base. JOURNAL OF SAUDI CHEMICAL SOCIETY 2021. [DOI: 10.1016/j.jscs.2021.101325] [Citation(s) in RCA: 1] [Impact Index Per Article: 0.3] [Reference Citation Analysis] [Track Full Text] [Subscribe] [Scholar Register] [Indexed: 01/24/2023]
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