A New Class of (μ-η2:η2-Disulfido)dicopper Complexes: Synthesis, Characterization, and Disulfido Exchange
- 29 April 2004
- journal article
- research article
- Published by American Chemical Society (ACS) in Inorganic Chemistry
- Vol. 43 (11) , 3335-3337
- https://doi.org/10.1021/ic049811k
Abstract
Rare examples of (μ-η2:η2-disulfido)dicopper complexes have been prepared from Cu(I) and Cu(II) complexes of β-diketiminate and anilido−imine supporting ligands. A novel byproduct derived from sulfur functionalization of the methine position of a β-diketiminate ligand was identified. DFT calculations on [(LCu)2X2] (L = β-diketiminate, X = O or S) complexes rationalize the absence of a bis(μ-sulfido)dicopper isomer, [Cu2(μ-S)2]2+, in the synthetic reactions, yet predict that a [Cu2(μ-S)2]0 core is a stable product of 2-electron reduction of the [Cu2(μ-η2:η2-S2)]2+ unit. Exchange of the disulfido ligand was discovered upon reaction of a (μ-η2:η2-disulfido)dicopper complex with a Cu(I) reagent.Keywords
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