Synthesis, Characterization and Antibacterial Activities of New Pd(II) And Pt(IV) Complexes of Some Unsymmetrical Tetradentate Schiff Bases
| Autor: | W. H. Hegazy |
|---|---|
| Rok vydání: | 2012 |
| Předmět: |
Inorganic chemistry
General Engineering Energy Engineering and Power Technology chemistry.chemical_element Infrared spectroscopy Magnetic susceptibility Thermogravimetry Metal Differential scanning calorimetry chemistry visual_art Polymer chemistry visual_art.visual_art_medium Moiety Platinum Palladium |
| Zdroj: | American Chemical Science Journal. 2:86-99 |
| ISSN: | 2249-0205 |
| DOI: | 10.9734/acsj/2012/1584 |
| Popis: | New palladium (II) and platinum (IV) complexes with a series of unsymmetrical tetradentate Schiff bases derived from aromatic 2-hydroxy aldehydes in an ethanolic medium were synthesized and characterized by elemental analyses, melting points, magnetic susceptibility, thermogravimetry, differential scanning calorimetry (DSC), infrared (IR), and electronic spectral measurements. The purity of the ligands and the metal complexes are confirmed by microanalysis, while the unsymmetrical nature of the ligands was further corroborated by 1 H-NMR spectroscopy. Comparison of the IR spectra of the Schiff bases and their metal complexes confirm that the Schiff bases act as tetradentate and coordinated via the two azomethine nitrogens and the two phenolic oxygens. Magnetic moments and electronic spectral data confirm square planar geometry for the Pd(II) and Pt(IV) complexes. Thermal studies reveal a general decomposition pattern, whereby the complexes decomposed partially in a single step due to loss of part of the organic moiety. The Schiff |
| Databáze: | OpenAIRE |
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