A comparative investigation on the surface and physicochemical properties of organobimetallic thiocyanate complexes of Cadmium, Zinc, Mercury and Manganese DOI

S.Cynthia S.Cynthia,

Sankar Muthupandi,

G. Ramalingam

et al.

Zeitschrift für Physikalische Chemie, Journal Year: 2024, Volume and Issue: 238(8), P. 1431 - 1449

Published: May 15, 2024

Abstract The single crystals of bimetallic thiocyanate ligands, namely manganese cadmium (MCTC), zinc (ZCTC), mercury dimethylsulphoxide (MMTD), and (CMTD), are cultivated through the utilization slow solvent evaporation gradual cooling methodologies. Through optical microscopic techniques such as field emission scanning electron microscopy (FESEM), atomic force (AFM), epifluorescence, a state-of-the-art methodology extensively employed in realms biochemical, medical, chemical research, we delve into examination growth mechanisms surface topographies. It is additionally LED, fluorescent, various other luminous sources. FESEM analysis MCTC elucidates manifestation an extended dendritic pattern, which arises from oscillation Mn Cd metal ligands when connected by (SCN) bridges. presence three notable mounds exhibiting cavities within multi-component thin film coating (MCTC) has been duly ascertained (AFM) imagery. histogram unveiled that average diameter exhibited augmentation concomitant with alteration breadth distribution throughout process growth.

Language: Английский

An all-rounder aminoguanidine based ligand, its unusual anionic zinc(ii) and cadmium(ii) coordination complexes and their biological implications DOI

Ansa Santu,

K.K. Mohammed Hashim,

E. Manoj

et al.

New Journal of Chemistry, Journal Year: 2024, Volume and Issue: 48(10), P. 4496 - 4506

Published: Jan. 1, 2024

The versatility of the ligand by protonating and deprotonating in same medium yields unparallel complexes, one which is more potent against E. coli than standard ciprofloxacin, opens-up new possibilities coordination chemistry.

Language: Английский

Citations

10
Oxicams as Bioactive Ligand System in Coordination Complexes and Their Biological Applications DOI
Muhammad Naeem, Adnan Ashraf, Muhammad Imran

et al.

Comments on Inorganic Chemistry, Journal Year: 2024, Volume and Issue: unknown, P. 1 - 25

Published: Feb. 15, 2024

Oxicam is a class of non-steroidal anti-inflammatory drugs (NSAIDs) that exhibits structural similarities to the enolic acid 4-hydroxy-1,2-benzothiazine carboxamides. The oxicam derivatives have ability coordinate with different metal ions in monodentate and bidentate fashion. choice ligand reaction conditions played key role for synthesis desired oxicam-based complexes. In this review, Mn(II), Fe(II), Co(II), Ni(II), Cu(II) Zn(II) transition complexes are being discussed. all these complexes, oxicams acted as N,O-coordinating chelators stabilized by forming six-membered ring systems. coordination geometries dependent on derivatives, co-ligands well selected ions. octahedral, square pyramidal, planar tetrahedral concluded supported electronic transitions magnetic data functionalized antibacterial, anticancer, DNA interaction also been antibacterial anticancer activities indicated some more potent compared free ligands. binding studies confirmed interact via major grooves.

Language: Английский

Citations

5
Antioxidant Activity and DFT Calculations of Metal Complexes Derived from a Schiff Base Ligand: Synthesis, Characterization, and Biological Evaluation DOI

Salisu Y. Lawan,

Matthew B. Mshelia,

Grema A. Mala

et al.

ChemistrySelect, Journal Year: 2024, Volume and Issue: 9(13)

Published: March 27, 2024

Abstract Metal complexes derived from Schiff bases are known to have a wide range of applications, spanning the areas material and medicinal sciences. Herein, base ligand, (Z)‐2‐(((4‐chlorophenyl)imino)methyl)naphthalen‐1‐ol HL, was synthesized via condensation reaction between 2‐hydroxy‐1‐naphthaldehyde 4‐chloroaniline using methanol as solvent in presence catalytic amount formic acid. The obtained ligand further reacted with Mn(II), Ni(II), Cu(II) their acetate salts 1 : 2 stoichiometric ratio metal afford C1–C3, respectively. Physicochemical analytical techniques consisting FTIR, UV‐Vis, elemental (CHN content), TGA, HRMS, 1H, 13 C NMR spectroscopy were deployed establish formation compounds. Results show that coordinated ions through oxygen nitrogen atoms phenolate azomethine moieties, respectively, forming ON‐type complexes. Furthermore, free its evaluated for antioxidant activity compared standard (ascorbic acid) an vitro DPPH radical scavenging assay. From this investigation, C1 demonstrated higher than complexes, acid). But has better C2 C3 at concentrations. DFT also used examine electronic properties compounds, data corroborated well experimental study.

Language: Английский

Citations

5
Preparation, characterization, single-crystal analysis, and cytotoxic assessment of complexes formed by Schiff base and 8-hydroxyquinoline co-ligand with Co(II), Ni(II), and Mn(II) metal ions DOI
Ahmet Oral Sarıoğlu,

Bahar Sürmelihindi,

Hatice Gamze Soğukömeroğulları

et al.

Polyhedron, Journal Year: 2024, Volume and Issue: 261, P. 117129 - 117129

Published: July 7, 2024

Language: Английский

Citations

4
A comprehensive overview of the synthesis, structure, and application of carboxylate bridged di and polynuclear manganese(III)-salen complexes DOI

Mridul Karmakar,

Sayantanu Koley, Shouvik Chattopadhyay

et al.

Inorganica Chimica Acta, Journal Year: 2025, Volume and Issue: unknown, P. 122541 - 122541

Published: Jan. 1, 2025

Language: Английский

Citations

0
Synthesis and structure characterization of boron complexes containing C2-symmetric tertiary amine ligands: Assessment catalytic degradation of dyes and antioxidant properties DOI
Minggang Hu, Xiaochen Wang, Can Wang

et al.

Journal of Molecular Structure, Journal Year: 2025, Volume and Issue: unknown, P. 141842 - 141842

Published: Feb. 1, 2025

Language: Английский

Citations

0
Synthesis of symmetrical Mn(II) and Cu(II) metal complex derivatives of a novel Bis Schiff base and its application in anticancer and antioxidation studies DOI

Thangjam Sanjurani,

Sneha Paul, Pranjit Barman

et al.

Inorganic Chemistry Communications, Journal Year: 2025, Volume and Issue: unknown, P. 114307 - 114307

Published: March 1, 2025

Language: Английский

Citations

0
The Amyloid Beta Aggregation Inhibition Properties of New Pt (II) Complexes and Their Potential in Alzheimer's Treatment DOI Creative Commons
Salih Günnaz, Onur Şahın, S. İrişli

et al.

Applied Organometallic Chemistry, Journal Year: 2025, Volume and Issue: 39(5)

Published: April 10, 2025

ABSTRACT In this study, N‐phenylortho‐phenylenediamine and N‐phenyl ethylenediamine were utilized as amines, two novel ligands, benzimidazole (LI) Schiff base (LII), synthesized through condensation reactions with 3‐methoxy‐4‐benzyloxybenzaldehyde. Furthermore, using these same LIII (benzimidazole) 3‐phenoxybenzaldehyde LIV (Schiff base) 4‐benzyloxybenzaldehyde in accordance the literature. Then, Pt (II) complexes (Ia, Ib, II, III, IV) prepared it was determined that Ia Ib are geometric isomers. The ligands characterized 1 H‐NMR, 13 C‐NMR, FT‐IR, elemental analysis methods. cytotoxic effects of evaluated on SH‐SY5Y neuronal cells. Low‐toxicity Ia, IV then tested for their ability to inhibit amyloid beta (Aβ 1–42 ) aggregation. Thioflavin T fluorescence analysis, AFM imaging, MALDI‐TOF mass spectrometry demonstrated complexes, particularly at a 1:1 complex‐to‐amyloid molar ratio, effectively inhibited Aβ These findings suggest containing may be effective against Alzheimer's disease by alleviating toxicity.

Language: Английский

Citations

0
Platinum (II) Schiff Base Complexes and their Effects on the Inhibition of Amyloid β1–42 Aggregation DOI Creative Commons
S. İrişli, Salih Günnaz, Özge Özcan

et al.

Applied Organometallic Chemistry, Journal Year: 2024, Volume and Issue: 38(8)

Published: June 3, 2024

For synthesizing metal–organic molecules with pro‐drug properties to prevent the accumulation of amyloid beta (Aβ 1–42 ), which is a feature neurodegenerative Alzheimer's disease, two new Schiff bases imine/amine donors 2‐([3,3‐diphenylalidene]amino)‐N,N‐dimethylethane‐1‐amine and N,N‐dimethyl‐2‐([quinolin‐4‐ylmethylene]amino)ethane‐1‐amine, as well their novel Pt (II) complexes (I II), were synthesized characterized via Fourier transform infrared spectroscopy, 1 H‐ 13 C‐nuclear magnetic resonance (NMR) mass spectrometry, elemental analyses. The spectroscopic data has shown that ligands are coordinated central atom in chelating manner. Furthermore, interaction between these Aβ was investigated using electrochemical methods, square wave voltammetry pencil graphite electrode, while monitoring changes oxidation signal Try residue 1–42. ability compounds inhibit aggregation human neuroblastoma cell line (SH‐SY5Y). Complex II could actively at molar ratio 1.0/1.0, its kinetics fluorometrically determined thioflavin T. These results supported by scanning electron microscopy transmission Moreover, complex 1–16 H‐NMR spectroscopy. As result, it observed effective inhibiting Aβ1–42 1.0/1.0. This result shows studies can be conducted on effects base‐Pt potential pro‐drugs disease.

Language: Английский

Citations

3
A review on the synthesis, characterization and application of Schiff bases containing resorcinol moieties and their first row transition metal complexes DOI Creative Commons
Tesfaye Dechasa, Ponnusamy Thillai Arasu,

Asnake Lealem

et al.

Results in Chemistry, Journal Year: 2024, Volume and Issue: 9, P. 101596 - 101596

Published: June 21, 2024

Resorcinol based carbonyl precursors such as 4, 6-Diacetylresorcinol, 2, 4-dihydroxy- acetophenone and 4-dihydroxybenzaldehyde were used for the synthesis of different Schiff bases mainly through conventional method synthesis. The reviewed synthesized by condensation reactions between either these resorcinol carbonyls primary amines o-aminophenol, o-phenylenediamine, oxalyldihydrazine,1,8-naphthalenediamine,4-methyl-2-amino phenol, hydrazine monohydrate isatin, 2-amino-4-methylthiazole,4-halo aniline, aminated silica gel, amine derived from hydrate, carbon disulfide benzyl chloride, ethanolamine, 3-hydrazino-5,6-diphenyl-1,2,4-triazine, p-phenylene diamine, semicarbazide hydrochloride, chitosan,α-naphthylamine, paraaminophenol, 4-aminoantipyrine 3,3-Dimethoxybenzidine benzoylhydrazide. These formed complexes reacting with first row transition metal ions. structures their elucidated infrared, UV–visible, nuclear magnetic resonance, mass spectroscopies elemental analysis. also characterized ESR spectroscopy, conductance & susceptibility measurement thermogravimetric base ligands screened activities including biological, catalytic chemosensor activities. This review incorporates progresses that have been observed 2007 2021 on synthesis, characterization application studies complexes.

Language: Английский

Citations

2