Adhikary, Bibhutosh ; Biswas, Amal K. ; Nag, Kamalaksha ; Zanello, Piero ; Cinquantini, Arnaldo (1987) Preparation, characterization, reactivities and electrochemistry of some homo- and heterodinuclear complexes of 2-hydroxy-5-methylbenzene-1,3-dicarbaldehyde and 1,3-diacetyl-2-hydroxy-5-methylbenzene Polyhedron, 6 (5). pp. 897-905. ISSN 0277-5387
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Official URL: http://linkinghub.elsevier.com/retrieve/pii/S02775...
Related URL: http://dx.doi.org/10.1016/S0277-5387(00)80931-6
Abstract
Homo- and heterodinuclear complexes of composition [M2L2](ClO4)2·4H2O, [CuML2](ClO4)2·nH2O (M = Ni, Co or Mn; L = L1 or L 2) and [CuML2Cl2]·2H2O (M = Ni or Co) have been synthesized with the dinucleating ligands 2-hydroxy-5-methyl- benzene-1,3-dicarbaldehyde (HL1) and 1,3-diacetyl-2-hydroxy-5-methylbenzene (HL2). These compounds have been characterized and their chemical reactivities investigated. The electrochemical behaviour of [M2L22](ClO4)2·4H2O and [CuML22](ClO4)2·nH2O complexes have been examined in acetonitrile and dimethyl sulfoxide using Hg and Pt electrodes. The cyclic voltammograms obtained with a Hg electrode show quasi-reversible electron transfers for both metal centres that often get complicated due to decomplexation of metal ions and adsorption phenomena. On a Pt electrode irreversible electron transfers occur at more negative potentials.
| Item Type: | Article |
|---|---|
| Source: | Copyright of this article belongs to Elsevier Science. |
| ID Code: | 22679 |
| Deposited On: | 24 Nov 2010 08:02 |
| Last Modified: | 23 Jan 2011 16:52 |
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