Issue 1, 2024

Boryl-substituted low-valent heavy group 14 compounds

Abstract

Low valent group 14 compounds exhibit diverse structures and reactivities. The employment of diazaborolyl anions (NHB anions), isoelectronic analogues to N-heterocyclic carbenes (NHCs), in group 14 chemistry leads to the exceptional structures and reactivity. The unique combination of σ-electron donation and pronounced steric hindrance impart distinct structural characteristics to the NHB-substituted low valent group 14 compounds. Notably, the modulation of the HOMO–LUMO gap in these compounds with the diazaborolyl substituents results in novel reaction patterns in the activation of small molecules and inert chemical bonds. This review mainly summarizes the recent advances in NHB-substituted low-valent heavy Group 14 compounds, emphasizing their synthesis, structural characteristics and application to small molecule activation.

Graphical abstract: Boryl-substituted low-valent heavy group 14 compounds

Article information

Article type
Review Article
Submitted
19 sep 2023
First published
12 dec 2023

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

Boryl-substituted low-valent heavy group 14 compounds

C. Duan and C. Cui, Chem. Soc. Rev., 2024, 53, 361 DOI: 10.1039/D3CS00791J

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