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Contrasting reactivity of B–Cl and B–H bonds at [Ni(IMes)2] to form unsupported Ni-boryls

Audsley, Gabrielle, Carpentier, Ambre, Pécharman, Anne-Frédérique, Wright, James, Roseveare, Thomas M., Clark, Ewan R., Macgregor, Stuart A., Riddlestone, Ian M. (2024) Contrasting reactivity of B–Cl and B–H bonds at [Ni(IMes)2] to form unsupported Ni-boryls. Chemical communications, 60 (7). pp. 874-877. ISSN 1364-548X. E-ISSN 1364-548X. (doi:10.1039/D3CC05369E) (KAR id:104459)

Abstract

[Ni(IMes)2] reacts with chloroboranes via oxidative addition to form rare unsupported Ni-boryls. In contrast, the oxidative addition of hydridoboranes is not observed and products from competing reaction pathways are identified. Computational studies relate these differences to the mechanism of oxidative addition: B–Cl activation proceeds via nucleophilic displacement of Cl−, while B–H activation would entail high energy concerted bond cleavage.

Item Type: Article
DOI/Identification number: 10.1039/D3CC05369E
Uncontrolled keywords: chloroboranes; Ni-borylis; hydridoboranes; nucleophilic displacement
Subjects: Q Science > QC Physics
Q Science > QD Chemistry
Divisions: Divisions > Division of Natural Sciences > Chemistry and Forensics
Funders: University of Kent (https://ror.org/00xkeyj56)
Depositing User: Ewan Clark
Date Deposited: 02 Jan 2024 14:37 UTC
Last Modified: 05 Nov 2024 13:10 UTC
Resource URI: https://kar.kent.ac.uk/id/eprint/104459 (The current URI for this page, for reference purposes)

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