Synthesis, structural and spectral studies of Cu(II) and V(IV) complexes of a novel Schiff base derived from pyridoxal. Antimicrobial activity

Mezey Reka-Stefana; Pakhontsu E.; Ilies D.; Shova Sergiu; Gulya Aurelian; Roshu T.

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2022-12-06 11:18

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MEZEY, Reka-Stefana, PAKHONTSU, E., ILIES, D., SHOVA, Sergiu, GULYA, Aurelian, ROSHU, T.. Synthesis, structural and spectral studies of Cu(II) and V(IV) complexes of a novel Schiff base derived from pyridoxal. Antimicrobial activity. In: Physical Methods in Coordination and Supramolecular Chemistry, 24-26 octombrie 2012, Chişinău. Chisinau, Republic of Moldova: 2012, XVII, p. 111.

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Physical Methods in Coordination and Supramolecular Chemistry
XVII, 2012

Conferința ""Physical Methods in Coordination and Supramolecular Chemistry""
Chişinău, Moldova, 24-26 octombrie 2012

Synthesis, structural and spectral studies of Cu(II) and V(IV) complexes of a novel Schiff base derived from pyridoxal. Antimicrobial activity

Pag. 111-111

Mezey Reka-Stefana¹, Pakhontsu E.², Ilies D.², Shova Sergiu³, Gulya Aurelian⁴, Roshu T.¹

¹ University of Bucharest,
² University of Medicine and Pharmacy “Carol Davilla”, Bucharest,
³ “Petru Poni” Institute of Macromolecular Chemistry,
⁴ Moldova State University

Disponibil în IBN: 28 mai 2020

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A novel Schiff base, N-(4-amino-2,3-dimethyl-1-phenyl-3-pyrazolin-5-one) pyridoxaldimine (HL·HCl), was prepared and structurally characterized on the basis of elemental analyses, 1H NMR, 13C NMR and IR spectral data. The synthesis and characterization of several Cu(II) (1–6) and V(IV) (7) complexes with N-(4-amino-2,3- dimethyl-1-phenyl-3-pyrazolin-5-one)pyridoxaldimine are reported.fgiureFig. 1 Structure of [CuHL(H2O)2] + cation in 1 The composition and structures of the copper(II) and vanadium(IV) complexeswere proposed based on elemental analyses, molar conductance, magnetic susceptibility measurements, IR, electronic and EPR spectroscopy. In addition, the structures of the ligand and the complex [CuL(H2O)2]NO3·2.25H2O (1) have been determined by single-crystal X-ray diffraction, showing that the Cu(II) center has a distorted square-pyramidal geometry. The ligand and the complexes were also tested for their in vitro antibacterial activity.

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