Synthetic, structural and reactivity studies of a boryl-ethynyl Silylene

Wenhao Chen; Haisheng Hu; Jie Feng; Lei Zhu; Di Wu

doi:10.1039/d4cc00922c

Synthetic, structural and reactivity studies of a boryl-ethynyl Silylene

Chem Commun (Camb). 2024 May 30;60(45):5828-5831. doi: 10.1039/d4cc00922c.

Authors

Wenhao Chen¹, Haisheng Hu¹, Jie Feng¹, Lei Zhu², Di Wu¹

Affiliations

¹ College of Material, Chemistry and Chemical Engineering, Key Laboratory of Organosilicon Chemistry and Material Technology, Ministry of Education, Hangzhou Normal University, Hangzhou 311121, China. wudi@hznu.edu.cn.
² School of Chemistry and Materials Science, Hubei Key Laboratory of Quality Control of Characteristic Fruits And Vegetables, Hubei Engineering University, Xiaogan, 432000, China. Lei.zhu@hbeu.edu.cn.

PMID: 38747249
DOI: 10.1039/d4cc00922c

Abstract

The salt metathesis of a boryl-ethynyl lithium salt {[(HCDipN)₂]B-CC-Li} with a monochlorosilylene [LSi(:)Cl; L = PhC(N^tBu)₂] produced an isolable boryl-ethynyl silylene {1; [(HCDipN)₂]B-CC-Si(L)}. The Si(II) center in 1 possesses a nonbonding lone pair and forms a covalent bond with the ethynyl group. The characterization of 1 was carried out by multinuclear NMR spectroscopy, single-crystal X-ray structure analysis and DFT calculations. Additionally, a reactivity study of 1 was conducted towards oxygen-containing and aryl C-F substrates.