Issue 49, 2025

Unprecedented bis(silylene)-supported silylone–metal complexes with Si0→CuI, Si0→NiI, and Si0→NiII dative bonds

Abstract

The first silylone-3d-metal complexes, LSiCu(NacNacM) (2) [L = 1,2-(RSi)2-1,2-C2B10H10, R = PhC(NtBu)2; NacNacM = HC(CMeNMes)2, Mes = 2,4,6-Me3-C6H2] and LSiNi(NacNacD) (3) [NacNacD = HC(CMeNDipp)2, Dipp = 2,6-iPr2-C6H3], are reported, resulting from the reaction of the strongly σ-donating and chelating bis(silylenyl)-ortho-carborane silylone LSi0 with [(NacNacMCu)2benzene] and [(NacNacDNi)2toluene], respectively. Density Functional Theory (DFT) analyses reveal that complex 2 features a Si0→CuI dative bond, while 3 exhibits a Si0→NiI bond. Oxidation of the Si0–NiI species 3 with [Cp2Fe]+ occurs at the Ni site to form the [3]+ cation with a Si0→NiII coordination.

Graphical abstract: Unprecedented bis(silylene)-supported silylone–metal complexes with Si0→CuI, Si0→NiI, and Si0→NiII dative bonds

Supplementary files

Article information

Article type
Communication
Submitted
15 Apr 2025
Accepted
14 May 2025
First published
15 May 2025
This article is Open Access
Creative Commons BY license

Chem. Commun., 2025,61, 8875-8878

Unprecedented bis(silylene)-supported silylone–metal complexes with Si0→CuI, Si0→NiI, and Si0→NiII dative bonds

C. Shan, C. Dai, S. Yao, J. Zhu and M. Driess, Chem. Commun., 2025, 61, 8875 DOI: 10.1039/D5CC02098K

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