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Oxidation, Coordination, and Nickel-Mediated Deconstruction of a Highly Electron-Rich Diboron Analogue of 1,3,5-Hexatriene

Hermann, Alexander, Fantuzzi, Felipe, Arrowsmith, Merle, Zorn, Theresa, Krummenacher, Ivo, Ritschel, Benedikt, Radacki, Krzysztof, Engels, Bernd, Braunschweig, Holger (2020) Oxidation, Coordination, and Nickel-Mediated Deconstruction of a Highly Electron-Rich Diboron Analogue of 1,3,5-Hexatriene. Angewandte Chemie International Edition, 59 (36). pp. 15717-15725. ISSN 1433-7851. (doi:10.1002/anie.202006131) (KAR id:98538)

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Official URL:
https://doi.org/10.1002/anie.202006131

Abstract

The reductive coupling of an N-heterocyclic carbene (NHC) stabilized (dibromo)vinylborane yields a 1,2-divinyldiborene, which, although isoelectronic to a 1,3,5-triene, displays no extended π conjugation because of twisting of the C2B2C2 chain. While this divinyldiborene coordinates to copper(I) and platinum(0) in an η2-B2 and η4-C2B2 fashion, respectively, it undergoes a complex rearrangement to an η4-1,3-diborete upon complexation with nickel(0).

Item Type: Article
DOI/Identification number: 10.1002/anie.202006131
Divisions: Divisions > Division of Natural Sciences > Chemistry and Forensics
Funders: European Research Council (https://ror.org/0472cxd90)
Coordenação de Aperfeicoamento de Pessoal de Nível Superior (https://ror.org/00x0ma614)
Alexander von Humboldt Foundation (https://ror.org/012kf4317)
Depositing User: Felipe Fantuzzi
Date Deposited: 30 Nov 2022 15:59 UTC
Last Modified: 06 Dec 2022 14:48 UTC
Resource URI: https://kar.kent.ac.uk/id/eprint/98538 (The current URI for this page, for reference purposes)
Fantuzzi, Felipe: https://orcid.org/0000-0002-8200-8262
Arrowsmith, Merle: https://orcid.org/0000-0003-1449-5932
Krummenacher, Ivo: https://orcid.org/0000-0001-9537-1506
Radacki, Krzysztof: https://orcid.org/0000-0003-3088-6327
Engels, Bernd: https://orcid.org/0000-0003-3057-389X
Braunschweig, Holger: https://orcid.org/0000-0001-9264-1726
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