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Metal-free binding and coupling of carbon monoxide at a boron-boron triple bond

journal contribution
posted on 2023-06-08, 15:53 authored by Holger Braunschweig, Theresa Dellermann, Rian D Dewhurst, William C Ewing, Kai Hammond, J Oscar C Jimenez-Halla, Thomas Kramer, Ivo Krummenacher, Jan Mies, Ashwini K Phukan, Alfredo VargasAlfredo Vargas
Many metal-containing compounds, and some metal-free compounds, will bind carbon monoxide. However, only a handful of metal-containing compounds have been shown to induce the coupling of two or more CO molecules, potentially a method for use of CO as a one-carbon-atom building block for the synthesis of organic molecules. In this work, CO was added to a boron-boron triple bond at room temperature and atmospheric pressure, resulting in a compound into which four equivalent of CO are incorporated: a flat, bicyclic, bis(boralactone). By the controlled addition of one CO to the diboryne compound, an intermediate in the CO coupling reaction was isolated and structurally characterized. Electrochemical measurements confirm the strongly reducing nature of the diboryne compound.

History

Publication status

  • Published

Journal

Nature Chemistry

ISSN

1755-4330

Publisher

Nature Publishing Group

Volume

5

Page range

1025-1028

Department affiliated with

  • Chemistry Publications

Full text available

  • No

Peer reviewed?

  • Yes

Legacy Posted Date

2013-10-14

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    University of Sussex (Publications)

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