一种硼基乙炔基硅烯的合成、结构及反应活性研究
Synthetic, structural and reactivity studies of a boryl-ethynyl Silylene.
作者信息
Chen Wenhao, Hu Haisheng, Feng Jie, Zhu Lei, Wu Di
机构信息
College of Material, Chemistry and Chemical Engineering, Key Laboratory of Organosilicon Chemistry and Material Technology, Ministry of Education, Hangzhou Normal University, Hangzhou 311121, China.
School of Chemistry and Materials Science, Hubei Key Laboratory of Quality Control of Characteristic Fruits And Vegetables, Hubei Engineering University, Xiaogan, 432000, China.
出版信息
Chem Commun (Camb). 2024 May 30;60(45):5828-5831. doi: 10.1039/d4cc00922c.
The salt metathesis of a boryl-ethynyl lithium salt {[(HCDipN)]B-CC-Li} with a monochlorosilylene [LSi(:)Cl; L = PhC(NBu)] produced an isolable boryl-ethynyl silylene {1; [(HCDipN)]B-CC-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.
硼基乙炔锂盐{[(HCDipN)]B-CC-Li}与一氯硅烯[LSi(:)Cl；L = PhC(NBu)]发生复分解反应，生成了一种可分离的硼基乙炔基硅烯{1；[(HCDipN)]B-CC-Si(L)}。化合物1中的Si(II)中心具有一对非键孤对电子，并与乙炔基形成共价键。通过多核核磁共振光谱、单晶X射线结构分析和密度泛函理论计算对化合物1进行了表征。此外，还对化合物1与含氧和芳基C-F底物的反应活性进行了研究。
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