Issue 24, 2020

Semi-bridging σ-silyls as Z-type ligands

Abstract

The reactions of SiHPh(NCH2PPh2)2C6H4-1,2 with a range of zerovalent group 10 reagents afford the homoleptic bimetallic complexes [M2{μ-κ3-Si,P,P′-SiPh(CH2PPh2)2C6H4}2] (M = Ni, Pd, Pt) in which the M–M bond is unsymmetrically bridged by two σ-silyl groups. The asymmetry of the M2Si2 core increases from Ni through Pd to Pt and is consistent with a bonding description in which one metal acts as an electron pair donor to a trigonal bipyramidal ‘Z-type’ silicon centre, reminsicent of semi-bridging coordination by CO, carbynes and boryl ligands.

Graphical abstract: Semi-bridging σ-silyls as Z-type ligands

Supplementary files

Article information

Article type
Communication
Submitted
03 Oct 2019
Accepted
17 Feb 2020
First published
19 Feb 2020

Chem. Commun., 2020,56, 3532-3535

Semi-bridging σ-silyls as Z-type ligands

B. J. Frogley, A. F. Hill, M. Sharma, A. Sinha and J. S. Ward, Chem. Commun., 2020, 56, 3532 DOI: 10.1039/C9CC07763D

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