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Fast and Reversible Intramolecular Cleavage of an Au−C Bond in the Spiked-Triangular Metal Complexes [Fe3Au(μ42-C⋮CtBu)(CO)9(PR3)] (R = Ph, iPr)

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posted on 2002-01-31, 00:00 authored by Esther Delgado, Bruno Donnadieu, M. Esther García, Silvia García, Miguel A. Ruiz, Félix Zamora
The C−S bond cleavage in the alkynethiolate ligand of the compound Li[Fe33-SC⋮CtBu)(CO)9] (1a) takes place in its reaction with [AuClPR3] (R = Ph, iPr), affording the complexes [Fe3Au(μ42-C⋮CtBu)(CO)9(PR3)] (R = Ph (3a), iPr (3b)). The gold fragment displays an unexpected bonding mode, and a fast and reversible process of oxidative addition/reductive elimination of the Au−C bond has been observed in solution.

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