Aluminium‐Mediated Carbon Dioxide Reduction by an Isolated Monoalumoxane Anion

The deoxygenative conversion of carbon dioxide to carbon monoxide is promoted by the aluminyl anion [Al(NONAr)]− (NONAr=[O(SiMe2NAr)2]2−, Ar=2,6‐iPr2C6H3). The reaction proceeds via the isolable monoalumoxane anion [Al(NONAr)(O)]−, containing a terminal aluminum‐oxygen bond. This species reacts with...

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Bibliographic Details
Published in:Angewandte Chemie International Edition 2019-12, Vol.58 (50), p.18261-18265
Main Authors: Anker, Mathew D., Coles, Martyn P.
Format: Article
Language:English
Subjects:
aluminium
Aluminum
alumoxane
Anions
Carbon dioxide
Carbon monoxide
CO2 reduction
Deoxygenation
hyponitrite
multiple bonds
Nitrous oxide
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Summary:The deoxygenative conversion of carbon dioxide to carbon monoxide is promoted by the aluminyl anion [Al(NONAr)]− (NONAr=[O(SiMe2NAr)2]2−, Ar=2,6‐iPr2C6H3). The reaction proceeds via the isolable monoalumoxane anion [Al(NONAr)(O)]−, containing a terminal aluminum‐oxygen bond. This species reacts with a second equivalent of carbon dioxide to afford the carbonate [Al(NONAr)(CO3)]−, and with nitrous oxide to generate the hyponitrite anion, [Al(NONAr)(κ2O,O′‐N2O2)]−. Suck it up! An isolated monoalumoxane anion reacts with the greenhouse gases CO2 and N2O to generate potentially useful chemical compounds.
ISSN:1433-7851
1521-3773
DOI:10.1002/anie.201911550