Thiolate-Bridged Nickel−Copper Complexes: A Binuclear Model for the Catalytic Site of Acetyl Coenzyme A Synthase?
- 19 March 2003
- journal article
- Published by American Chemical Society (ACS) in Journal of the American Chemical Society
- Vol. 125 (15) , 4422-4423
- https://doi.org/10.1021/ja0346577
Abstract
Reaction of the nickel metalloligands [EtN2S2]Ni (EtN2S2, N,N'-diethyl-3,7-diazanonane-1,9-dithiolate) or K2[Ni(phmi)] (phmi, N,N'-1,2-phenylenebis(2-sulfanyl-2-methylpropionamide)) with [Cu(CH3CN)4]BF4 yields polynuclear complexes in which two copper(I) ions are bridged by the nickel metalloligands. Alternatively, reaction with the Cu(I) source, [(PhTttBu)Cu] (PhTttBu, phenyltris((tert-butylthio)methyl)borate), generates discrete binuclear NiCu complexes that may serve as models of the acetyl coenzyme A synthase active site. The binuclear species react reversibly with CO via rupture of the thiolate bridges.Keywords
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