A5044741785- Crystallization and Solubility Studies
- X-ray Diffraction in Crystallography
- Metal complexes synthesis and properties
- Metal-Catalyzed Oxygenation Mechanisms
- Vanadium and Halogenation Chemistry
- Magnetism in coordination complexes
- Organometallic Compounds Synthesis and Characterization
- Lanthanide and Transition Metal Complexes
- Trace Elements in Health
- Click Chemistry and Applications
- Luminescence and Fluorescent Materials
- Synthesis and Characterization of Heterocyclic Compounds
- Molecular Sensors and Ion Detection
- Corrosion Behavior and Inhibition
- Ferrocene Chemistry and Applications
- Supramolecular Chemistry and Complexes
- Free Radicals and Antioxidants
- Crystallography and molecular interactions
- Porphyrin and Phthalocyanine Chemistry
- Carbon dioxide utilization in catalysis
- Microbial metabolism and enzyme function
- Polyoxometalates: Synthesis and Applications
- Metal-Organic Frameworks: Synthesis and Applications
National Institute of Technology Rourkela
2018-2025
Friedrich Schiller University Jena
2022-2023
The reaction of the Ru(PPh3 )3 Cl2 with HL1-3 -OH (-OH stands for oxime hydroxyl group; HL1 -OH=diacetylmonoxime-S-benzyldithiocarbazonate; HL2 -OH=diacetylmonoxime-S-(4-methyl)benzyldithiocarbazonate; and HL3 -OH=diacetylmonoxime-S-(4-chloro)benzyl-dithiocarbazonate) gives three new ruthenium complexes [RuII (L1-3 -H)(PPh3 )2 Cl] (1-3) (-H imine hydrogen) coordinated dithiocarbazate as final products. All ruthenium(II) have been characterized by elemental (CHNS) analyses, IR, UV-vis, NMR (1...
Five new anionic aqueous dioxidovanadium(V) complexes, [{VO2L1,2}A(H2O)n]α (1-5), with the aroylhydrazone ligands pyridine-4-carboxylic acid (3-ethoxy-2-hydroxybenzylidene)hydrazide (H2L1) and furan-2-carboxylic (H2L2) incorporating different alkali metals (A = Na+, K+, Cs+) as countercation were synthesized characterized by various physicochemical techniques. The solution-phase stabilities of 1-5 determined time-dependent NMR UV-vis, also octanol/water partition coefficients obtained...
The synthesis, structure and characterization of mixed ligand oxidovanadium(<sc>iv</sc>) complexes [V<sup>IV</sup>OL<sup>1–2</sup>(L<sup>N–N</sup>)] (<bold>1–3</bold>) are reported. With a view to evaluating their biological activity, DNA/HSA interaction cytotoxicity activity have been explored.
The idea of coordinating biologically active ligand systems to metal centers exploit their synergistic effects has gained momentum. Therefore, in this report, three RuIII complexes 1–3 morpholine-derived thiosemicarbazone ligands have been prepared and characterized by spectroscopy HRMS along with the structure 2 through a single-crystal X-ray diffraction study. solution stability was tested using conventional techniques such as UV–vis HRMS. Further, anticancer activity HT-29 HeLa cancer...
Here, two mixed‐ligand mononuclear [Cu(L1)py] (1), [Cu(L2)Him] (2) and one dinuclear copper(II) complex [Cu2(L3)2(DMSO)(MeOH)] (3) were isolated in solid state characterized through SC‐XRD. Herein, we highlight the solution behavior of these complexes medium HRMS ESR. Though maintain their integrity with respect to ligand coordination, there is solvent or co‐ligand exchange generation both [Cu(L)(py/Him)] [Cu(L)(H2O)] species. G‐quadruplex (G4‐DNA) structures human telomeric DNA (hTelo)...
The transport and cytotoxicity of molybdenum-based drugs have been explained with the concept chemical transformation, a very important idea in inorganic medicinal chemistry that is often overlooked interpretation biological activity metal-containing systems. Two monomeric, [MoO2(L1)(MeOH)] (1) [MoO2(L2)(EtOH)] (2), two mixed-ligand dimeric MoVIO2 species, [{MoO2(L1-2)}2(μ-4,4'-bipy)] (3-4), were synthesized characterized. structures solid complexes solved through SC-XRD, while their...
Synthesis and characterization of mixed ligand oxidovanadium(<sc>iv</sc>) complexes [V<sup>IV</sup>O(L<sup>1–4</sup>)(L<sup>NN</sup>)] incorporating arylazo ligands: evaluation DNA/BSA interaction cytotoxicity activity.
Developing new anticancer agents can be useful, with the ability to diagnose and treat cancer worldwide. Previously, we focused on examining effects of nonoxidovanadium(IV) complexes insulin mimetic cytotoxicity activity. In this study, in addition cytotoxic activity, evaluated their bioimaging properties. This study investigates synthesis four stable nonoxido V
The reaction of 2-{2-(benzo[1,3]dioxol-5-yl)- diazo}-4-methylphenol (HL) with [Ru(PPh3)3Cl2] in ethanol resulted the carbonylated ruthenium complex [RuL(PPh3)2(CO)] (1), wherein metal-assisted decarbonylation via situ dehydrogenation is observed. When was performed acetonitrile, however, [RuL(PPh3)2(CH3CN)] (2) obtained as main product, probably by trapping a common intermediate through coordination CH3CN to Ru(II) center. analogous HL [Ir(PPh3)3Cl] did not result and instead gave...
A unique C2 symmetric azine bridged bi-ferrocenyl receptor (4) has been modelled and synthesized. In this work, we are able to synthetically regulate conjugation of the dibenzylidenehydrazine fluorophore unit unexpectedly reveal metal-coordination driven intramolecular twisting. The present probe shows a dramatic turn-on fluorescence response with 91 fold increment quantum yield along 17 nm blue shift upon binding Hg2+ ions selectively limit detection as low 15 nM. Upon recognition,...
Two new mononuclear cobalt(II) complexes with the general formula [Co(L1,2)2] (1 and 2) were synthesized using bidentate Schiff base ligands NO donor set, namely, 2-(benzothiazole-2-ylimino)methyl-5-(diethylamino)phenol (HL1) its methyl substituted derivative 2-(6-methylbenzothiazole-2-ylimino)methyl-5-(diethylamino)phenol (HL2). X-ray structure analysis reveals a distorted pseudotetrahedral coordination sphere at ion, that cannot be described by simple twisting of two ligand chelate planes...
Abstract The new μ 3 ‐methoxido bridged trinuclear vanadium(IV) complexes [V IV O (μ ‐OMe)(μ 2 ‐OMe) (L 1,2 ) ] ( 1 and have been synthesized using the azo ligands 1‐(2‐(thiazol‐2‐yl)diazenyl)naphthalene‐2‐ol (HL 2‐(2‐(thiazol‐2‐yl)diazenyl)‐4‐methylphenol ). X‐ray crystallography revealed a structure with lacunary heterocubane {(VO) } 2+ core unit for complex , which contains central bridge. All three vanadium centers are in slightly distorted octahedral coordination environment. Magnetic...
Cu(<sc>ii</sc>)-salan complexes: structural and spectral characterization, solvent assisted ring cleavage correlation of superoxide dismutase activity with cyclic voltammetry data steric effects.
Abstract The μ ‐phenoxido‐bridged dinuclear copper(II) complex, [Cu 2 (L 1 ) (dmso)(MeOH)] ( ), has been synthesized using N ′‐(4‐(diethylamino)‐2‐hydroxybenzylidene)‐1‐naphthohydrazide (H L as ligand. structural analysis of reveals that the coordination geometry at copper ions is best described a square pyramidal with Cu⋅⋅⋅Cu distance in complex 303 pm which supported by hydrogen bonding between two apical oxygen donor ligands (O⋅⋅⋅O 277 pm). Magnetic studies indicate exhibits strong...