An N-phosphinoamidinato borasilenide: a vinyl-analogous anion containing a base-stabilised BSi double bond

Si Jia Isabel Phang, Zheng-Feng Zhang, Ming-Der Su and Cheuk-Wai So

Chem. Sci., 2025,16, 6763-6769

From themed collection: 2025 Chemical Science HOT Article Collection

Abstract

An N-phosphinoamidinato potassium borasilenide containing an anionic Si [double bond, length as m-dash] B double bond is a versatile building block for transferring a BSi double bond or B/Si atoms into inorganic and organic substrates.

A zwitterionic disilanylium from an unsymmetrical disilene

Milan Kumar Bisai, V. S. Ajithkumar, K. Vipin Raj, Kumar Vanka, Rajesh G. Gonnade and Sakya S. Sen

Chem. Commun., 2023,59, 1669-1672

Abstract

The reaction of PhC(NtBu)₂SiSi(SiMe₃)₃ (1) with Me₃SiCH₂Cl afforded an unsymmetrical sp²–sp³ disilene, 2, which underwent divergent reactivities with chalcogens.

Boryl-substituted low-valent heavy group 14 compounds

Chenxi Duan and Chunming Cui

Chem. Soc. Rev., 2024,53, 361-379

From themed collection: Applications of Main Group Chemistry in Synthesis, Catalysis, and Biomedical and Materials Research

Abstract

This review focuses on the low-valent heavy group 14 compounds stabilized by N-heterocyclic boryl ligands and their applications in the activation of small molecules and inert chemical bonds.

Applications of low-valent compounds with heavy group-14 elements

Ruksana Akhtar, Kumar Gaurav and Shabana Khan

Chem. Soc. Rev., 2024,53, 6150-6243

From themed collection: Applications of Main Group Chemistry in Synthesis, Catalysis, and Biomedical and Materials Research

Abstract

We have compiled the recent progress of low-valent group-14 compounds in catalysis, polymerization, small molecule activation, thin film deposition, photophysical properties, and medicinal properties.

A silicon analogue of a fused bicyclic borirene derivative

Si Jia Isabel Phang, Zheng-Feng Zhang, Chi-Shiun Wu, Zhen Xuan Wong, Ming-Der Su and Cheuk-Wai So

Chem. Sci., 2025,16, 4512-4518

Abstract

σ- and π-double aromatic delocalization is feasible in the smallest fused bicyclo[1.1.0]-2,4-diborylenyldisil-1(3)-ene composed of a bridgehead Si [double bond, length as m-dash] Si double bond bonded with two bridging N-phosphinoamidinato borons.