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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, 132 (36). pp. 15847-15855. ISSN 0044-8249. E-ISSN 1521-3757. (doi:10.1002/ange.202006131) (KAR id:98618)

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/ange.202006131
Subjects: Q Science > QD Chemistry
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: 01 Dec 2022 15:18 UTC
Last Modified: 04 Mar 2024 16:25 UTC
Resource URI: https://kar.kent.ac.uk/id/eprint/98618 (The current URI for this page, for reference purposes)

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