• Home
  • Sunshine D. Kurbah
Sunshine D. Kurbah

Sunshine D. Kurbah
PANDIT DEENDAYAL

Doctor of Philosophy

About

37
Publications
2,466
Reads
How we measure 'reads'
A 'read' is counted each time someone views a publication summary (such as the title, abstract, and list of authors), clicks on a figure, or views or downloads the full-text. Learn more
176
Citations
Citations since 2017
31 Research Items
174 Citations
2017201820192020202120222023010203040
2017201820192020202120222023010203040
2017201820192020202120222023010203040
2017201820192020202120222023010203040
Additional affiliations
October 2014 - November 2017
North Eastern Hill University
Position
  • PhD

Publications

Publications (37)
Article
Background An eco-friendly catalyst was synthesized in good yield and characterized by various physicochemical techniques. The catalytic performance of the environmentally benign complex was investigated via slurry synthesis of oximes. The catalytic studies were successfully carried out using a simple protocol. The fascinating advantage of this pro...
Article
Full-text available
In this paper, we report the synthesis and characterization of the dioxidovanadium(V) complex derived from a malonohydrazide ligand (N'1,N'3-bis(2-hydroxybenzylidene) malonohydrazide). The newly synthesized complex was characterized by infrared spectroscopy (IR), nuclear magnetic resonance (NMR), and the structure of the complex was also establishe...
Article
In this paper, we report the synthesis and characterization of NiO@PolyMo nanocomposite. The newly synthesized nanocomposite was characterized by transmission electronmicroscopy (TEM), energy‐dispersive X‐ray spectroscopy (EDS), and powder X‐ray diffraction (XRD). The particle sizes of the NiO@PolyMo nanocatalyst are in the range of 10–20 nm. Powde...
Article
We report the synthesis of a vanadium(V) complex characterized by FT-IR and ¹H NMR spectroscopy. The structure of the complex was established by single crystal X-ray crystallography. We also carried out the catalytic oxidation of benzyl alcohol, hetero-aryl alcohols and propargylic alcohols. Tandem synthesis of oximes from alcohols were also carrie...
Article
Six heterobimetallic alkali metal dioxidovanadium(V) coordination polymer complexes {[M 6 {VO(μ-O)} 2 (μ-OH) 4 (μ 4-slox/nph)].n DMF} ∞ where M = Na, K, and Cs; n = 1 for (1), 0 for (2)-(6) of two dihydrazone ligands, disalicylaldehydeoxaloyldihydrazone (H4slox) and bis(2-hydroxy-1-naphthaldehyde)oxaloyldihydrazone (H4nph) are reported. All the com...
Article
Vanadium(V) complex was synthesized in good yield and characterized by FT-IR, UV-Visible and NMR spectroscopy. The structure of the complex was confirmed by single X-ray crystallography. X-ray structural analysis the complex featuring O∙∙∙O chalcogen bonding interaction and other short interaction. The O∙∙∙O intermolecular interactions distance is...
Article
Effect of the axial ligand on the visible absorption spectra of Mn(III)[T(4 – CH3 P)P]Cl, Mn(III)[T(4 – Cl P)P]Cl and Mn(III)[T(4 – CH3 P)P]Cl in non-coordinating solvent like CH2Cl2 have been investigated. Exchange of the axial ligand (-Cl) with amines and the coordination of amine as the sixth ligand are discussed. Blue shift in the Soret band ha...
Article
We report the synthesis and characterization of new self-assemble VO2-L metallogel. Gel formation was investigated by dissolving VO2-L in various solvents and it was found that water/methanol (1:9 (v/v) ratios) induces gel formation. Single X-ray crystal structure of VO2-L metallogel exhibits C-H---O, N-H---O hydrogen bonding interaction and pi-pi...
Article
Metallogel (VLG) was obtained by reaction of tridentate dibasic donor’s ligand with vanadium pentoxide in 1:1 M ratio in H2O\DMF solution. Metallogel formation was studied using IR, UV–Visible and ¹H NMR spectroscopies. Single crystal structure suitable for XRD analysis was obtained by repeated crystallization of VLG from DMF/H2O solution after few...
Article
In this article, we described the structural studies of Ru(II) compound containing pyrazole ligands. On the basis of structural analysis, the complex exhibit non-covalent C–H···Cl interaction. Hirshfeld surface analysis showed that the structure of compound is mainly characterized by Cl···H, and O···H contacts but other contribution was also observ...
Article
Treatment of V2O5 with dihydrazone ligands (H4L) (disalicylaldehydeoxaloyldihydrazone (H4L1 = H4slox), bis(2-hydroxy-1-naphthaldehyde)oxaloyldihydrazone (H4L2 = H4nph) and bis(5-bromosalicylaldehyde)oxaloyldihydrazone (H4L3 = H4sloxBr)) in methanol leads to the formation of homobimetallic vanadium(V) complexes of the composition [(CH3)2NH2]2[(VO2)2...
Article
A new heterobimetallic [CuZn(bz)3(bpy)2]PF6 has been synthesized from commercially available starting materials. Its structure has been established by molar conductance, magnetic moment, IR, electronic, ESR and X-ray crystallography. Its catalysis has been established in hydrogen peroxide mediated oxidation of alcohols to aldehydes and ketones and...
Article
New dioxido-vanadium(V) complexes derived from hydrazone ligands have been synthesized in good yield. The complexes were characterized by elemental analysis, IR, UV–Visible and ¹H NMR spectroscopies. The structure of both the complexes was established by Single Crystal X-ray crystallography. Complex 1 crystallized in monoclinic P21/n space group, w...
Article
Mononuclear cis,cis,trans-[Ru(CO)2Cl2(Pz*H)2] (1) and dinuclear [Ru²(DMSO)3Cl2(Pz*H)× (μ-H)(μ-Pz*)(μ-DMSO)] (2) complexes (DMSO = dimethylsulfoxide and Pz* = 3,5-dimethylpyrazolate) are obtained by the reaction of KTp* in methanol (KTp* = potassium tris(3,5-dimethylpyrazolyl)borate) with [Ru(CO)3Cl2]2 and cis-[RuCl2(DMSO)4] precursors, respectively...
Article
Manganese(II) complex [Mn(phen)(H2O)4]·SO4·2H2O has been synthesized in aqueous methanol medium. The complex crystal was directly obtained from reaction of MnSO4·H2O in water with a mixture of methanol solution of disalicyaldehyde oxaloyldihydrazone and 1,10-phenanthroline. Its structure has been established by X-ray crystallography. It has also be...
Article
Low-spin manganese (II) complexes [MnII(H2slox) (bipy)] (1), [MnII(H2slox) (phen)] (2), [MnII(H2slox) (phen)].1.5.H2O (2a), [MnII(H2nph) (bipy)].H2O (3) and [MnII(H2nph) (phen)].H2O (4) were synthesized from oxaloyldihydrazones in methanolic-water medium. The stoichiometry of the complexes was established by analytical, molecular weight and thermoa...
Article
Full-text available
Dioxido-vanadium(V) complex has been synthesized in good yield, the complex was characterized by IR, UV–visible and¹ H NMR spectroscopy. Single crystal X-ray crystallography techniques were used to assign the structure of the complex. Complex crystallized with monoclinic P21/c space group with cell parameters a (Å) = 39.516(5), b (Å) = 6.2571(11),...
Article
Here we report the catalytic oxidation of benzylic alcohol, hetero-aryl alcohols and propargylic alcohols to their corresponding carbonyl compound using heterobimetallic sodium-dioxidovanadium(V) complexes. The present catalytic oxidation studies proceed at 70 °C using H2O2 as terminal oxidant. During the whole process, the complexes react with hyd...
Article
Background: Carbonyl compounds are one of the most important starting materials used in pharmaceutical and industries. Due to their high demand, a vast number of efficient and aerobic oxidation methods have been developed using suitable oxidizing agents or catalyst. Using cheaper starting materials and efficient methods which are more favorable are...
Article
Three new homobimetallic vanadium(V) complexes were synthesized and structurally characterized. The structures of the complexes were established using single X-ray crystallography and DFT method. All the complexes were successfully employed as a functional catechol-oxidase mimic for oxidation of 3,5-di-tert-butylcatechol to 3,5-di-tert-butyl-o-benz...
Article
Heterobimetallic complexes of the composition [CuNi(bpy)2 (μ-OAc) (μ-OH) (μ-OH2)](BF4)2 (1) and [CuNi(bz)3 (bpy)2]ClO4 (2) were synthesized in moderate yield through solid state reaction and have been characterized by elemental analyses, molar conductance, mass spectra, magnetic moment, EPR, UV–Vis, IR spectroscopies and cyclic voltammetry. The gro...
Article
Two new heterobimetallic complexes of the composition [(VO2)2(μ3-slsch){Na2(μ-H2O)2(H2O)2}]n (1) and [(VO2)2(μ3-npsch){Na2(μ-H2O)2(H2O)2}(DMF)]n (2) were obtained by reaction of the ligand and vanadium pentoxide in a 1:1 molar ratio in methanol in the presence of Na2CO3 (2 equivalents).The complexes obtained were characterized by using various spec...
Article
Dioxidovanadium(V) complex containing hydrazone ligand has been synthesized in good yield, the complexes was characterized by elemental analysis, IR, UV–Visible and ¹H NMR spectroscopy. The structure of the complex has been established by Single Crystal X-ray diffraction technique. Complex crystallized with monoclinic P21/n space group with cell pa...
Article
Low-spin manganese(II) complexes [MnII(H2slox)].H2O (1), [MnII(H2slox)(SL)] (where SL (secondary ligand) = pyridine (py, 2), 2-picoline (2-pic, 3), 3-picoline (3-pic, 4), and 4-picoline (4-pic, 5) and high-spin manganese(III) complex Na(H2O)4[MnIII(slox)(H2O)2].2.5H2O have been synthesized from disalicyaldehyde oxaloyldihydrazone in methanolic – wa...
Article
Bimetallic molybdenum(VI) complex [(MoO2)2(slsch)(H2O)2] containing dihydrazone ligand was synthesized by reaction of ligand with MoO2(acac)2 in 1:2 M ratio in methanol. The bimetallic complex obtained was characterized by various spectroscopic studies. The structure of complex was assigned using Single Crystal X-ray Crystallography and DFT method....
Article
A copper(II)–nickel(II)-based catalyst system has been synthesized and characterized by elemental analysis, molar conductance, mass spectra, magnetic moment, EPR, UV-Vis, IR spectroscopy, and cyclic voltammetry. The structure of the complex was established by X-ray crystallography. The complex is an efficient catalyst, which oxidizes primary and se...
Article
The cover picture shows the fluorescence studies of the complex and the H…O interaction in the solid state of the crystal structure. The spectra were recorded on successive addition of Al(III) ions (0-4) equivalents. The structure of the complex was elucidated with the help of Single X-ray Crystallography. On the bottom of the cover picture, we hav...
Article
The homobimetallic molybdenum(VI) complex, [(MoO2)2(slsch)(DMF)2], derived from multidentate hydrazone ligand (H4slsch = disalicylaldehyde succinoyldihydrazone) was synthesized. The complex was obtained by reaction of the ligand with Mo2(acac)2 in 1:2 molar ratio in methanol. It was characterized by using various spectroscopic techniques. The struc...
Article
The oxidn. of alcs. to afford carbonyl compds. is a key transformation in org. chem. Significant development has occurred in the recent years, in catalytic oxidn. of alcs. by aerial oxygen. However, the alc. oxidn. mediated by H2O2 is quite meagre. From economic and environmental point of views, the oxidn. of alcs. mediated by H2O2 is quite attract...
Presentation
Two new novel Heterobimetallic complexes complexes of the composition [(VO2)2(μ3-slsch){Na2(μ-H2O)2(H2O)2}]n (1) and [(VO2)2(μ3-npsch){Na2(μ-H2O)2(H2O)2}]n (2) were obtained by reaction of the ligand and vanadium pentoxide in 1:1 molar ratio in methanol in presence of Na2CO3 (2 molar).
Article
Full-text available
An efficient and selective oxidation of alcohols to aldehydes in high yield in the absence of a base and co-catalyst using a newly synthesized water-soluble heterobimetallic complex [CuZn(bz)3(bpy)2]BF4 has been developed. No appreciable reduction in aldehyde yield occurred even after five recycles.
Article
The heterodinuclear copper–zinc complex [CuZn(μ-OAc)(μ-OH)(μ-OH2)(bpy)2](ClO4)2 has been synthesized from solid state reaction and its crystal structure was established. The heterobimetallic complex is quite efficient catalyst for hydrogen peroxide mediated oxidation of alcohols into corresponding carbonyl compounds.
Chapter
Heterobimetallic complex [NiCu(µ-OH)(µ-OH2)(μ-OAc)(bipy)2](BF4)2 was synthesized in moderate yield through solid state reaction at 150 0C and has been characterized by elemental analysis, molar conductance, mass spectrum, magnetic moment, cyclic voltammetric studies, IR and UV–Vis spectroscopies. The structure of the complex has been established by...

Network

Cited By

Projects

Project (1)
Project
Platinum group metal complexes with their biological activities and scorpionate ligand complex