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Issue 88, 2019
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Structural diversity in multinuclear tantalum polyhydrides formed via reductive hydrogenolysis of metal–carbon bonds

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Abstract

Using H2 as a reducing agent, we demonstrate controlled reduction of tri- and tetramethyl tantalum bis(N-heterocyclic carbene)borate complexes to yield low-valent, multinuclear tantalum polyhydrides. Reaction of a Ta(v)Me3 complex with H2 afforded a bimetallic, hydride-bridged Ta(IV) complex. The analogous reaction of a Ta(v)Me4 complex in benzene or toluene yielded bimetallic Ta(III) complexes in which both metals are bound to the same face of a μ-η44-arene2− ligand.

Graphical abstract: Structural diversity in multinuclear tantalum polyhydrides formed via reductive hydrogenolysis of metal–carbon bonds

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Publication details

The article was received on 30 Sep 2019, accepted on 09 Oct 2019 and first published on 17 Oct 2019


Article type: Communication
DOI: 10.1039/C9CC07686G
Chem. Commun., 2019,55, 13263-13266

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    Structural diversity in multinuclear tantalum polyhydrides formed via reductive hydrogenolysis of metal–carbon bonds

    J. I. Fostvedt, T. D. Lohrey, R. G. Bergman and J. Arnold, Chem. Commun., 2019, 55, 13263
    DOI: 10.1039/C9CC07686G

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