Two-electron redox chemistry and reversible umpolung of a gold-antimony bond.
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abstract
A two-way street! The two-electron oxidation of a novel binuclear stibine gold compound induces an umpolung of the Sb-Au dative bond which switches from SbAu in the reduced state to Sb-Au in the oxidized state (see scheme). This reversible process can be triggered by the addition/elimination of a halogen-molecule equivalent. Copyright 2011 WILEY-VCH Verlag GmbH & Co. KGaA, Weinheim.