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Synthesis and Reactivity in Inorganic and Metal-Organic Chemistry Volume 30, 2000 - Issue 9
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Original Articles

Synthesis and Spectroscopic Characterization of Some Tetradentate Schiff Bases and Their Nickel, Copper and Zinc Complexes

Mokhles M. Abd-Elzaher Inorganic Chemistry Department, National Research Centre, P.O. 12622, Dokki, Cairo, Egypt
Pages 1805-1816 | Received 08 Nov 1999, Accepted 06 Jul 2000, Published online: 23 Apr 2008
 
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Abstract

Three ligands have been formed by the 1:2 molar condensation of ℴ-phenylenediamine with salicylaldehyde, 2-hydroxy-l-naphthaldehyde or ℴ-hydroxyacetophenone. The potentially tetradentate ligands are N,N-bis-(salicylaldehyde)-ℴ-phenylenediamine (SalophH2), N,N-bis(2-hydroxy-1-naphthalde-hyde)-ℴ-phenyIenediamine (NophH2) and N,N-bis(ℴ-hydroxyacetophenone)-ℴ-phenylenediamine (AophH2), respectively. These ligands form 1:1 complexes with nickel, copper and zinc ions. The complexes have been characterized by IR, 1H NMR, MS, UV/Vis spectra in addition to elemental analyses. The spectral data of the ligands and their complexes are discussed in connection with the structural changes which occur due to complexation.

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