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Issue 86, 2016
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Reversible water activation driven by contraction and expansion of a 12-vertex-closo-12-vertex-nido biscarborane cluster

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Abstract

The activation of O–H bonds of water at room temperature driven by the cage-opening rearrangement of a biscarborane-based cluster is reported. The reaction of the 12-vertex-closo-12-vertex-nido biscarborane cluster with water led to the quantitative and selective two-vertex decapitation of a carborane cluster and formation of the pendent boronic acid hydride B(H)(OH) group. Remarkably, this transformation can be quantitatively reversed with the release of water and re-formation of the starting biscarborane cage. The flexibility of cage decapitation/expansion and its influence on the reactivity of an exohedral substituent represent a new approach to cluster-induced organic transformations.

Graphical abstract: Reversible water activation driven by contraction and expansion of a 12-vertex-closo-12-vertex-nido biscarborane cluster

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Article information


Submitted
24 Aug 2016
Accepted
15 Sep 2016
First published
15 Sep 2016

Chem. Commun., 2016,52, 12710-12713
Article type
Communication

Reversible water activation driven by contraction and expansion of a 12-vertex-closo-12-vertex-nido biscarborane cluster

Y. O. Wong, M. D. Smith and D. V. Peryshkov, Chem. Commun., 2016, 52, 12710
DOI: 10.1039/C6CC06955J

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