- Metal complexes synthesis and properties
- Synthesis and Characterization of Heterocyclic Compounds
- Synthesis and biological activity
- Ferrocene Chemistry and Applications
- DNA and Nucleic Acid Chemistry
- X-ray Diffraction in Crystallography
- Synthesis of Organic Compounds
- Crystallization and Solubility Studies
- Nonlinear Optical Materials Research
- Synthesis of Tetrazole Derivatives
- Magnetism in coordination complexes
- Crystal structures of chemical compounds
- Magnetic Properties and Synthesis of Ferrites
- Quinazolinone synthesis and applications
- Synthesis and Biological Evaluation
- Multicomponent Synthesis of Heterocycles
- Inorganic and Organometallic Chemistry
- Multiferroics and related materials
- Lanthanide and Transition Metal Complexes
- Free Radicals and Antioxidants
- Microtubule and mitosis dynamics
- Iron oxide chemistry and applications
- Protein Degradation and Inhibitors
- Organometallic Compounds Synthesis and Characterization
- Epoxy Resin Curing Processes
Osmania University
2011-2024
National Institute of Technology Warangal
2012-2024
Sri Venkateswara Medical College and Ruia Hospital
2023
University of Hyderabad
2023
Kuwait Petroleum Corporation (Kuwait)
2013
Universidade Nova de Lisboa
2011
Kakatiya University
1986-1991
In the present study a series of Co(II) complexes formyl chromone Schiff bases have been synthesized characterized by analytical, molar conductance, IR, electronic, magnetic susceptibility, thermal, fluorescence and powder XRD measurements screened for various biological activities (antimicrobial, antioxidant, nematicidal, DNA cleavage cytotoxicity). all 1:2 metal to ligand ratio was obtained from analytical data. The conductance data confirm that are non-electrolytic in nature. Based on...
A new ligand, 2‐aminonicotinaldehyde N ‐methyl thiosemicarbazone (ANMTSC) and its metal complexes [Co(II) ( 1 ); Ni(II) 2 Cu(II) 3 Zn(II) 4 Cd(II) 5 ) or Hg(II) 6 )] were synthesized. The compounds characterized by analytical methods various spectroscopic (infrared, magnetic, thermal, H, 13 C NMR, electronic ESR) tools. structure of ANMTSC ligand was confirmed single crystal X‐ray diffraction study. spectral data indicate that the acts as mononegative, bidentate coordination through imine...
The mechanical, thermal and ablation properties of carbon phenolic (C-Ph) composites (Type-I) reinforced with different weight percentages organo-modified montmorillonite (o-MMT) nanoclay have been studied experimentally. Ball milling was used to disperse (wt) (0, 1,2,4,6 wt.%) into resin. Viscosity changes resin due studied. On the other hand, added matrix (Type-II) were prepared study dispersion in by small angle X-ray scattering stability thermogravimetric analyser (TGA). This data...
Pd(II) complexes of 3-formyl chromone Schiff bases such as 3-((2-hydroxyphenylimino) methyl)-4H-chromen-4-one (HL1), 2-((4-oxo-4H-chromen-3-yl)methylneamino)benzoic acid (HL2), 3-((3-hydroxypyridin-2-ylimino)methyl)-4H-chromen-4-one (HL3), 3-((2-mercaptophenylimino) (HL4) and 3-((pyridine-2-ylimino)methyl)-4H-chromen-4-one (L5) have been synthesised characterised by elemental analysis, molar conductivity, IR, electronic, magnetic, TG–DTA, powder XRD fluorescence spectral data. From the...
There is a growing interest in magneto-responsive innovative materials for environmental nanotechnology applications owing to their unique ability respond external magnetic fields. These materials, typically nanoparticles, have properties and are great candidates diverse such as safe water air treatments, pollutants reclamation, soil remediation, renewable energy. This paper discusses the broad application areas where can help solve significant challenges demonstrates potential offer an...
Abstract Polypyridyl ligand 9a,13a‐dihydro‐4,5,9,14‐tetraaza‐benzo[b]triphenylene‐11‐yl)‐phenyl‐methanone (BDPPZ) and its complexes [Ru(bpy) 2 BDPPZ] 2+ , [Ru(dmb) [Ru(phen) (where bpy = 2,2′‐bipyridine, dmb 4,4′‐dimethyl‐2,2′‐bipyridine, phen 1,10‐phenanthroline) have been synthesized characterized by elemental analysis, IR, UV–vis, 1 H‐NMR, 13 C‐NMR mass spectra. The DNA‐binding properties of the were investigated absorption, emission, melting temperature viscosity measurements....
Cu(II), Co(II), Ni(II) and Zn(II) complexes have been synthesized using 3-((pyridine-2-ylimino)methyl)-4H-chromen-4-one as a ligand derived from 3-formyl chromone 2-amino pyridine. All the were characterised by analytical, conductivity, IR, electronic, magnetic, ESR, thermal, powder XRD SEM studies. The analytical data revealed that metal to molar ratio is 1:2 in all complexes. Molar conductivity indicates are neutral nature. On basis of magnetic electronic spectral data, octahedral geometry...
Four novel Pd (II)‐thiourea square‐planar derivatives of the type [PdCl 2 L ] (L = N ‐dibenzosuberenyl appended aroyl/acylthiourea ligand) ( 1 – 4 ) were synthesized and well characterized. The neutral monodentate S coordination ligand with palladium (II) ion was confirmed by single crystal X‐ray diffraction method. In vitro calf thymus DNA (CT‐DNA) interaction studies investigated, results complexes showed intercalative mode binding (in order > 3 complexes. affinity compounds bovine...
Sodium fluoride was identified as an efficient catalyst for the preparation of series dihydropyrano [2,3-c]pyrazoles (4a–l) by three-component condensation 3-Methyl-1-phenyl-2-pyrazoline-5-one (1), aromatic aldehydes (2) and malononitrile (3) in aqueous methanol at ambient temperature under ultrasonication. The cost efficacy catalyst, mild reaction conditions, simple workup procedure, less time higher yields product with analytical purity keeping this protocol superior to previously reported...
Substituted heterocyclic (isatin) appended thiosemicarbazone ligands (L1-L3) are synthesized by condensation of substituted isatin molecule with N(4)-phenyl-3-thiosemicarbazide in good yields. The palladium(II) complexes from and PdCl2, a general formula [PdCl(X-C15H10N4OS)] where X = 5-chloro (1), 5-bromo (2), 5-nitro (3). Both analytical spectroscopic methods have been used for the analysis characterization compounds. antimicrobial activity results observed that complexes, 1 2 registered...
Four Ru(II) polypyridyl complexes, [Ru(bpy)(2)(7-NO(2)-dppz)](2+), [Ru(bpy)(2)(7-CH(3)-dppz)](2+), [Ru(phen)(2)(7-NO(2)-dppz)](2+), and [Ru(phen)(2)(7-CH(3)-dppz)](2+) (bpy = 2,2'-bipyridine, phen 1,10-phenanthroline), (7-Nitro-dppz 7-Nitro dipyrido[3,2-a:2'-3'-c]phenazine, 7-CH(3)-dppz 7-Methyl dipyrido[3,2-a:2'-3'-c]phenazine), have been synthesized characterized by IR, UV, elemental analysis, (1)H NMR, (13)C-NMR, mass spectroscopy. The DNA-binding properties of the four complexes were...
Ni(II) and Zn(II) complexes were synthesized from tridentate 3-formyl chromone Schiff bases such as 3-((2-hydroxyphenylimino)methyl)-4H-chromen-4-one (HL 1 ), 2-((4-oxo-4H-chromen-3-yl)methylneamino)benzoic acid 2 3-((3-hydroxypyridin-2-ylimino)methyl)-4H-chromen-4-one 3 3-((2-mercaptophenylimino)methyl)-4H-chromen-4-one 4 ). All the characterized in light of elemental analysis, molar conductance, FTIR, UV-VIS, magnetic, thermal, powder XRD, SEM studies. The conductance spectroscopic data...
The polypyridyl ligand 7-Nitro dipyrido[3,2-a:2'-3'-c]phenazine (7-Nitro-dppz) and its complexes [Co(bpy)(2)(7-NO(2)-dppz)](3+)(1) (bpy = 2,2'-bipyridine), [Co(dmb)(2)(7-NO(2)-dppz)](3+)(2), (dmb 4,4'-dimethyl-2,2'-bipyridine), [Co(phen)(2)(7-NO(2)-dppz)](3+)(3) (phen 1,10-phenanthroline) were synthesized characterized by UV/VIS, IR, elemental analysis, (1)H (13)C-NMR, mass spectra. binding properties of the three to CT-DNA investigated different spectroscopic methods viscosity measurements...