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Mono- and Bi-nuclear metal complexes of arylidene-anthranilic acidSchiff bases

Ein- und zweikernige Metall-Komplexe von Aryliden-Anthranilsäure-Schiff-Basen

  • Anorganische Und Physikalische Chemie
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Abstract

Arylidene-anthranilic acidSchiff base complexes with Th(IV), UO2(II), La(III), Ce(III), and Zr(IV) have been isolated and studied by several techniques, e.g. elemental analysis, electronic and IR spectra and conductance measurements. It is concluded that the salicylideneanthranilic acidL 3 is coordinated to the metal ion as bivalent tridentate ONO ligand (L −2) while the other ligands behave as monovalent bidentate ON ligands. Furthermore, the molecular structure effect of these compounds on their tendency towards complex formation was investigated and discussed. The possibility that the Cu(II) complex ofL 3 can act as bidentate ligand, coordinating through itscis-oxygen atoms to form binuclear metal complexes was studied.

Zusammenfassung

Es wurden Aryliden-Anthranilsäure-Schiff-Basen mit Th(IV), UO2(II), La(III), Ce(III) und Zr(IV) isoliert und mittels Elementaranalysen, Elektronen-und IR-Spektroskopie und Leitfähigkeitsmessungen untersucht. Es wird aus den Untersuchungen geschlossen, daß Salicylidenanthranilsäure (L 3) als bivalenter dreizähniger ONO-Ligand (L −2) an das Metallion koordiniert, währenddessen die anderen Liganden als monovalente zweizähnige Liganden agieren. Außerdem wurden Struktureffekte dieser Verbindungen in bezug auf ihre Komplexbildungstendenz untersucht. Die Möglichkeit, daß der Cu(II)-Komplex vonL 3 über die Koordination mit dencis-Sauerstoff-Atomen und unter Bildung eines zweikernigen Metallkomplexes als zweizähniger Ligand agieren kann, wurde untersucht.

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Mahmoud, M.R., Hamed, M.A., Kamel, M.S. et al. Mono- and Bi-nuclear metal complexes of arylidene-anthranilic acidSchiff bases. Monatsh Chem 116, 1291–1304 (1985). https://doi.org/10.1007/BF00811100

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  • DOI: https://doi.org/10.1007/BF00811100

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