Abstract
An usual method for the preparation of vanadyl(II) barbiturate complex was performed under the chemical reaction of vanadyl(II) sulfate with barbituric acid (H2L) and formulated as: [VO(HL)2].2H2O. This new barbiturate complex was synthesis and characterized by elemental analysis, molar conductivity, magnetic measurements, infrared spectral method and simultaneous thermal analysis (TG/DTG) techniques. The molar conductance measurements proved that barbiturate vanadyl(II) complex is non-electrolytes. The infrared spectra of the barbituric and vanadyl(II) complex are used to identify the mode of coordination. Kinetic and thermodynamic parameters (E*, ΔH*, ΔS* and ΔG*) of H2L ligand and its complex are estimated according to the DTG curves.
Highlights
The compounds containing pyrimidine ring play an important role in many biological systems [1], where they exist in nucleic acids, several vitamins, coenzymes and antibiotics
Synthesis of barbituric and thiobarbituric acid complexes derived from cobalt(II), nickel(II) and copper(II) salts were carried out [34]
The present investigation was undertaken to study the course of the interaction between barbituric acid and vanadyl(II) sulfate salt
Summary
The compounds containing pyrimidine ring play an important role in many biological systems [1], where they exist in nucleic acids, several vitamins, coenzymes and antibiotics. These provide potential binding sites for metal ions, and any information on their coordinating properties is important as a means of understanding the role of the metal ions in biological systems. Synthesis of barbituric and thiobarbituric acid complexes derived from cobalt(II), nickel(II) and copper(II) salts were carried out [34]. The thermal stabilities and the kinetic and thermodynamic parameters data were calculated
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