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p-complexes of diborynes with main group atoms

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posted on 2023-06-07, 07:15 authored by William C Ewing, Theresa Dellermann, Y T Angel Wong, James D Mattock, Alfredo VargasAlfredo Vargas, David L Bryce, Rian D Dewhurst, Holger Braunschweig
We present herein an in-depth study of complexes in which a molecule containing a boron-boron triple bond is bound to tellurate cations. The analysis allows the description of these salts as true p complexes between the B-B triple bond and the tellurium center. These complexes thus extend the well-known Dewar-Chatt-Duncanson model of bonding to compounds made up solely of p block elements. Structural, spectroscopic and computational evidence is offered to argue that a set of recently reported heterocycles consisting of phenyltellurium cations complexed to diborynes bear all the hallmarks of p-complexes in the p-complex/metallacycle continuum envisioned by Joseph Chatt. Described as such, these compounds are unique in representing the extreme of a metal-free continuum with conventional unsaturated three-membered rings (cyclopropenes, azirenes, borirenes) occupying the opposite end.

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Publication status

  • Published

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  • Published version

Journal

Chemistry An Asian Journal

ISSN

1861-4728

Publisher

Wiley

Issue

10

Volume

15

Page range

1553-1557

Department affiliated with

  • Chemistry Publications

Full text available

  • Yes

Peer reviewed?

  • Yes

Legacy Posted Date

2020-06-15

First Open Access (FOA) Date

2020-06-15

First Compliant Deposit (FCD) Date

2020-06-15

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