Synthesis and Spectral Studies of Some Transition metal Complexes

Veer, Daya; Baboo, Mukesh

doi:10.13005/ojc/280432

Cited by 2 publications

(1 citation statement)

References 7 publications

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“…They are metabolized by liver and are excreted predominantly through urine. Complexation of sulphonylurea with lighter transition metals has been studied in detail by Yoshinaga and Yamamotto [5,6] and complexation of sulphonylurea and biguanidine by Iqbal et al [7] and others [8].…”

Section: Introductionmentioning

confidence: 99%

Synthesis, Spectral Characterization, Magnetic Moment, Mass, X-Ray Diffraction, and Kinetic (TGA) Studies of Cr(III) Complex with Metformin: An Oral Antidiabetic Drug

Krishan

Iqbal²

2014

Journal of Chemistry

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The present work describes synthesis, spectral characterization, and X-ray diffraction studies of Cr(III) with “metformin,” an oral antidiabetic drug. The conductometric titration using monovariation method indicates that complex is ionic and of L2M type. Analytical data agree with the molecular formula of complex namely, [(C4H11N5)2Cr(H2O)2]2Cl. Geometry of complex assigned is octahedral, supported by IR, electronic spectra, magnetic moments,1H-NMR and mass studies, and proposed structure (I) for complex. X-ray diffraction data also supports the complex formation and symmetry of complex and various parameters like particle size, porosity, volume of unit cell, and density have been calculated. The Freeman-Carroll and Sharp-Wentworth methods have been used to calculate activation energy and thermal stability. The activation energy(Ea)calculated with the help of these methods are in agreement with each other. Thermodynamic parameters such as free energy change (ΔF) and entropy change are also determined on the basis of TG curves and by using data of the Freeman-Carroll method.

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Section: Introductionmentioning

confidence: 99%

Synthesis, Spectral Characterization, Magnetic Moment, Mass, X-Ray Diffraction, and Kinetic (TGA) Studies of Cr(III) Complex with Metformin: An Oral Antidiabetic Drug

Krishan

Iqbal²

2014

Journal of Chemistry

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Synthesis, FTIR, NMR, Mass spectral, X-ray crystallographic and Thermal Studies of Hg(II) Complex of N, N-dimethylbiguanide

Krishan

Tawkir²,

Sharma

2022

Orient. J. Chem

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Metal chelate of antidiabetic drug is synthesized and characterized by using various spectroscopic tools like elemental analyses, IR, NMR, mass spectra, thermal analyses (TGA) and X-ray powder diffraction techniques. The nonvariation conductometric titration method indicated the ionic nature of the complex and LM2 structure type. Complex was assigned tetrahedral geometry based on the spectral data and was found to have chemical formula [(C4H10N5)(HgCl)2] (Scheme-I). Crystallographic parameters have been calculated from powder X-ray diffraction analysis. The thermal and kinetic behaviour of the complex has been studied using Thermogravimetric analysis, which indicates that water molecules of crystallization together with anions are removed in the first step. Calculation of thermodynamic parameters has been done and their relative thermal stabilities of the complex is also discussed. Thermal stability and activation energy have been calculated by F.C and S.W methods. F.C method and TG curves have been used to determine thermodynamic specification viz. free energy change (ΔF), entropy change (ΔS).

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Synthesis and Spectral Studies of Some Transition metal Complexes

Cited by 2 publications

References 7 publications

Synthesis, Spectral Characterization, Magnetic Moment, Mass, X-Ray Diffraction, and Kinetic (TGA) Studies of Cr(III) Complex with Metformin: An Oral Antidiabetic Drug

Synthesis, Spectral Characterization, Magnetic Moment, Mass, X-Ray Diffraction, and Kinetic (TGA) Studies of Cr(III) Complex with Metformin: An Oral Antidiabetic Drug

Synthesis, FTIR, NMR, Mass spectral, X-ray crystallographic and Thermal Studies of Hg(II) Complex of N, N-dimethylbiguanide

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