A new oxidovanadium(IV) Schiff base complex containing asymmetric tetradentate ONN′O′ Schiff base ligand: Synthesis, characterization, crystal structure determination, thermal study and catalytic activity

Grivani, Gholamhossein; Ghavami, Abbase; Eigner, Václav; Dušek, Michal; Khalaji, Aliakbar Dehno

doi:10.1016/j.cclet.2015.03.014

Cited by 17 publications

(14 citation statements)

References 41 publications

(32 reference statements)

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“…In the FT-IR spectra of 1, the band at 1580 cm -1 was assigned to -C=N-group. Also, another band at 945 cm -1 was assigned to V=O group (Grivani et al, 2015). The vibrational frequency of the OH group is absent in the complexes (Grivani et al, 2015).…”

Section: Syntheses and Characterizationmentioning

confidence: 98%

“…A molecule of 1 is shown in Figure 4. The vanadium(IV) ion is five coordinated in a form of strongly distorted square-pyramid geometry [7,8].…”

Section: Description Of the Structure Ofmentioning

confidence: 99%

“…The interest in the vanadium Schiff base complexes has grown due to their catalytic applications and biological activity [4][5][6]. The vanadium(IV) Schiff base complexes are colored either green with a monomeric structure [7] or orange with a polymeric linear chain structure [8]. Recently, Grivani et al, have focused on the coordination chemistry of vanadium Schiff base complexes because of their structural features and catalytic application [7][8][9][10].…”

Section: Introductionmentioning

confidence: 99%

“…The vanadium(IV) Schiff base complexes are colored either green with a monomeric structure [7] or orange with a polymeric linear chain structure [8]. Recently, Grivani et al, have focused on the coordination chemistry of vanadium Schiff base complexes because of their structural features and catalytic application [7][8][9][10]. In this paper, mononuclear vanadium(IV) Schiff base complex [VO((MeO-bph)2en)] (1) (Scheme 1) was prepared and characterized.…”

Section: Introductionmentioning

confidence: 99%

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Vanadium(IV) Schiff base Complex: Synthesis, Characterization, Crystal Structure and Thermal Decomposition into V2O5 Particles

et al. 2019

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Section: Syntheses and Characterizationmentioning

confidence: 98%

“…A molecule of 1 is shown in Figure 4. The vanadium(IV) ion is five coordinated in a form of strongly distorted square-pyramid geometry [7,8].…”

Section: Description Of the Structure Ofmentioning

confidence: 99%

Section: Introductionmentioning

confidence: 99%

Section: Introductionmentioning

confidence: 99%

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Vanadium(IV) Schiff base Complex: Synthesis, Characterization, Crystal Structure and Thermal Decomposition into V2O5 Particles

et al. 2019

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“…In recent years, different types of vanadium coordination compounds with Schiff base ligands were synthesized and used as homogeneous and heterogeneous catalysts in the epoxidation reactions . Moreover, to modify the stabilization and recycling ability of the homogeneous catalysis systems, they have been immobilized onto the solid supports.…”

Section: Introductionmentioning

confidence: 99%

Synthesis of a new schiff base oxovanadium complex with melamine and 2‐hydroxynaphtaldehyde on modified magnetic nanoparticles as catalyst for allyl alcohols and olefins epoxidation

Farzaneh

Asgharpour

2019

Applied Organom Chemis

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A new magnetically recoverable nanocatalyst designated as Fe3O4@SiO2@PTMS@Mel‐Naph‐VOcomplex was synthesize by covalent binding of a Schiff base ligand derived from melamine and 2‐hydroxy1naphtaldehyde on the surface of silica coated iron oxide magnetic nanoparticles followed by complexation with VO (acac)2. Characterization of the prepared nanocatalyst was accomplished with FT‐IR, XRD, SEM, HRTEM, VSM and atomic absorption techniques. It was found that the epoxidation of geraniol, trans‐2‐hexen‐1‐ol, 1‐octen‐3‐ol, norbornene, and cyclooctene is highly selective, affording quantitative yields of the corresponding epoxides with tert‐butyl hydroperoxide (TBHP) using Fe3O4@SiO2@Mel‐Naph‐VOcomplex as catalyst. High reaction yields, short reaction times, simple experimental and work up procedure, catalyst stability and excellent reusability even after five‐cycles of usage in the case of geraniol are some advantages of this research.

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Square Planar trans‐N₂O₂ Cu(II) Complex: Synthesis, Crystal Structure, Hirshfeld Surface, DFT, Antimicrobial and Docking Studies

et al. 2021

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SL ligand [(E)-2-(((2-(tert-butylthio) phenyl) imino)methyl)-4-chlorophenol)] and its Cu(II) complex [Cu(C 14 H 12 ClNOS) 2 ] are synthesized and characterized by FTIR, SEM, EDX and TGA. Single crystal X-ray diffraction studies revealed that the ligand and Cu(II) complex crystallizes in identical space group and the copper complex exhibits square planar geometry (τ 4 = 0). SL and copper complex show CÀ Cl⋯π and CÀ H⋯π interaction respectively enables the formation of multi-dimensional supramolecular architecture and its nature of interactions is quantified by Hirshfeld surface analysis. The strength of the interaction and 3D topology of crystal packing are visualized through an energy framework. Further, the physical nature of intramolecular interactions is assessed by QTAIM and NCI index model. DFT was employed to evaluate the optimized electronic structure, HOMO-LUMO, energy gap, molecular properties and global parameters. The copper complex exhibited good antibacterial activity against the S.aureus and MRSA and compared with the standard drug (gentamicin). The molecular docking studies of the copper complex show a high affinity towards penicillin-binding protein 2 and topoisomerase II DNA gyrase.

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A new oxidovanadium(IV) Schiff base complex containing asymmetric tetradentate ONN′O′ Schiff base ligand: Synthesis, characterization, crystal structure determination, thermal study and catalytic activity

Cited by 17 publications

References 41 publications

Vanadium(IV) Schiff base Complex: Synthesis, Characterization, Crystal Structure and Thermal Decomposition into V2O5 Particles

Vanadium(IV) Schiff base Complex: Synthesis, Characterization, Crystal Structure and Thermal Decomposition into V2O5 Particles

Synthesis of a new schiff base oxovanadium complex with melamine and 2‐hydroxynaphtaldehyde on modified magnetic nanoparticles as catalyst for allyl alcohols and olefins epoxidation

Square Planar trans‐N₂O₂ Cu(II) Complex: Synthesis, Crystal Structure, Hirshfeld Surface, DFT, Antimicrobial and Docking Studies

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A new oxidovanadium(IV) Schiff base complex containing asymmetric tetradentate ONN′O′ Schiff base ligand: Synthesis, characterization, crystal structure determination, thermal study and catalytic activity

Cited by 17 publications

References 41 publications

Vanadium(IV) Schiff base Complex: Synthesis, Characterization, Crystal Structure and Thermal Decomposition into V2O5 Particles

Vanadium(IV) Schiff base Complex: Synthesis, Characterization, Crystal Structure and Thermal Decomposition into V2O5 Particles

Synthesis of a new schiff base oxovanadium complex with melamine and 2‐hydroxynaphtaldehyde on modified magnetic nanoparticles as catalyst for allyl alcohols and olefins epoxidation

Square Planar trans‐N2O2 Cu(II) Complex: Synthesis, Crystal Structure, Hirshfeld Surface, DFT, Antimicrobial and Docking Studies

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Square Planar trans‐N₂O₂ Cu(II) Complex: Synthesis, Crystal Structure, Hirshfeld Surface, DFT, Antimicrobial and Docking Studies