Monomeric azoboranes.

Authors

Fengbo Huang, Liu Leo Liu, Qiuming Liang

Published in

Chemical communications (Cambridge, England). Oct 12, 2026. Epub Oct 12, 2026.

Abstract

Monomeric azoboranes, Mes₂B-NN-R, were synthesized from silyldiazenes (R-NN-SiEt₃) and Mes₂BBr. These compounds feature an unusual, nearly linear cumulenic BNN framework reminiscent of a ketenimine, giving rise to complementary reactivity at the boron and nitrogen. Moreover, the monomeric azoboranes behave as BNN 1,3-dipoles, undergoing [3+2] cycloaddition with unsaturated substrates followed by mesityl migration to provide diverse BNN-containing heterocycles. This work establishes monomeric azoboranes as versatile ambiphilic building blocks for boron-nitrogen heterocycle synthesis.

PMID:
42862147
Bibliographic data and abstract were imported from PubMed on 12 Oct 2026.

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