Pal, Samudranil ; Bandyopadhyay, Debkumar ; Datta, Dipankar ; Chakravorty, Animesh (1985) Stabilisation of copper(I) by an azoimine ligand: redox properties and reactions of bis(phenylazoacetaldoximato)bis(phenylacetaldoxime)dicopper(I) Journal of the Chemical Society, Dalton Transactions (1). pp. 159-162. ISSN 1472-7773
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Official URL: http://pubs.rsc.org/en/Content/ArticleLanding/1985...
Related URL: http://dx.doi.org/10.1039/DT9850000159
Abstract
The high preference of phenylazoacetaldoxime, MeC([=NOH)N[=NPh (HL), for copper(I) is rationalised in terms of electronic and steric factors. The complex [Cu2(HL)2(L)2](1) undergoes a one-electron oxidation at ∼0.8 V vs. saturated calomel electrode to an unstable CuIICuI species. Tertiary phosphines displace HL from (1) affording [CuL(PR3)2][R = Ph (2a) or C6H4Me-p(2b)]. (2a) reacts with HCl to form [{Cu(PPh3)Cl}4] and with HClO4 to give the complex [Cu(HL)(PPh3)2(ClO4)]. All complexes having the chelated CuL or Cu(HL) fragment are shown to have a characteristic low-energy metal-to-ligand charge-transfer transition (700–900 nm).
| Item Type: | Article |
|---|---|
| Source: | Copyright of this article belongs to Royal Society of Chemistry. |
| ID Code: | 95288 |
| Deposited On: | 30 Oct 2012 06:41 |
| Last Modified: | 30 Oct 2012 06:41 |
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