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

Hermann Alexander | Zendy; Fantuzzi Felipe | Zendy; Arrowsmith Merle | Zendy; Zorn Theresa | Zendy; Krummenacher Ivo | Zendy; Ritschel Benedikt | Zendy; Radacki Krzysztof | Zendy; Engels Bernd | Zendy; Braunschweig Holger | Zendy

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

Author(s) -

Hermann Alexander,

Fantuzzi Felipe,

Arrowsmith Merle,

Zorn Theresa,

Krummenacher Ivo,

Ritschel Benedikt,

Radacki Krzysztof,

Engels Bernd,

Braunschweig Holger

Publication year - 2020

Publication title -

angewandte chemie international edition

Language(s) - English

Resource type - Journals

SCImago Journal Rank - 5.831

H-Index - 550

eISSN - 1521-3773

pISSN - 1433-7851

DOI - 10.1002/anie.202006131

Subject(s) - nickel , carbene , chemistry , platinum , copper , electron , photochemistry , stereochemistry , crystallography , medicinal chemistry , organic chemistry , catalysis , physics , quantum mechanics

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 C 2 B 2 C 2 chain. While this divinyldiborene coordinates to copper(I) and platinum(0) in an η 2 ‐B 2 and η 4 ‐C 2 B 2 fashion, respectively, it undergoes a complex rearrangement to an η 4 ‐1,3‐diborete upon complexation with nickel(0).

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