Synthesis, Characterization and Electrochemical Behavior of CoII, NiII and CdII Complexes with N2O2 Donor Ligands Derived from 4,4′-Diaminobiphenyl and 2-Hydroxybenzaldehyde or 2,4-Dihydroxybenzaldehyde

The condensation of 2-hydroxybenzaldehyde or 2,4-dihydroxybenzaldehyde with 4,4′-diaminobiphenyl in absolute EtOH in a molar ratio 2:1 gave, respectively, the Schiff base ligands H 2 L1 or H 2 L2. The bases served as tetradentate ligands to coordinate Co II , Ni II and Cd II chlorides, leading to co...

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Bibliographic Details
Published in:Journal of solution chemistry 2010-04, Vol.39 (4), p.511-521
Main Authors: Sibous, Lakhdar, Bentouhami, Embarek, Maïza, Amor, Bouet, Gilles M., Khan, Mustayeen Ahmed
Format: Article
Language:English
Subjects:
Chemical Sciences
Chemistry
Chemistry and Materials Science
Condensed Matter Physics
Geochemistry
Industrial Chemistry/Chemical Engineering
Inorganic Chemistry
Oceanography
Physical Chemistry
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Summary:The condensation of 2-hydroxybenzaldehyde or 2,4-dihydroxybenzaldehyde with 4,4′-diaminobiphenyl in absolute EtOH in a molar ratio 2:1 gave, respectively, the Schiff base ligands H 2 L1 or H 2 L2. The bases served as tetradentate ligands to coordinate Co II , Ni II and Cd II chlorides, leading to complexes where the metal:ligand ratio is 2:1. All of the compounds were characterized by elemental analysis, infrared, electronic and mass spectroscopy, 1 H-n.m.r. and d.s.c. The cyclic voltammograms of the ligands and their complexes in DMF are discussed.
ISSN:0095-9782
1572-8927
DOI:10.1007/s10953-010-9512-2