Ansa-methylene-substituted cobalt bis(dicarbollide) ion available via an easy click: a carbene-like mechanism.

Authors

Ece Zeynep Tüzün, Drahomír Hnyk, Jindřich Fanfrlík, Alina Ovcharenko, Dmytro Bavol, Morgane Poupon, Miroslava Litecká, Matouš Kloda, Ondřej Horáček, Radim Kučera, Bohumír Grűner

Published in

Chemical communications (Cambridge, England). Aug 17, 2026. Epub Aug 17, 2026.

Abstract

Herein we report on the carbon-bridged derivative of the [(1,2-C₂B₉H₁₁)₂-3,3'-Co]^- ion, accessible through a low-temperature reaction with BuLi and CH₂Cl₂. We propose that addition of a carbene intermediate to the cage is responsible for product formation. This mechanism is supported by computational chemistry and single-crystal X-ray diffraction. Moreover, the isolation of dicluster dianions interconnected via bridging carbons reveals another unique feature of this system.

PMID:
42606168
Bibliographic data and abstract were imported from PubMed on 17 Aug 2026.

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