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Issue 88, 2019

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

Supplementary files

Article information


Submitted
30 Sep 2019
Accepted
09 Oct 2019
First published
17 Oct 2019

Chem. Commun., 2019,55, 13263-13266
Article type
Communication
Author version available

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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