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Abstract
The potassium aluminyl [K{Al(NONDipp)}]2 ([NONDipp]2−=[O{SiMe2NDipp}2]2−, Dipp=2,6-iPr2C6H3) activates ethene towards carbonylation with CO under mild conditions. An isolated bis-aluminacyclopropane compound reacted with CO via carbonylation of an Al−C bond, followed by an intramolecular hydrogen shift to form K2[Al(NONDipp)(μ-CH2CH=CO-1κ2C1,3-2κO)Al(NONDipp)Et]. Restricting the chemistry to a mono-aluminium system allowed isolation of [Al(NONDipp)(CH2CH2CO-κ2C1,3)]−, which undergoes thermal isomerisation to form the [Al(NONDipp)(CH2CH=CHO-κ2C,O)]− anion. DFT calculations highlight the stabilising influence of incorporated benzene at multiple steps in the reaction pathways.
Original language | English |
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Article number | e202117396 |
Journal | Angewandte Chemie International Edition |
Volume | 61 |
Issue number | 16 |
Early online date | 14 Feb 2022 |
DOIs | |
Publication status | Published - 11 Apr 2022 |
Bibliographical note
Funding Information:This research made use of the Rāpoi (Victoria University of Wellington) and Balena (University of Bath) High Performance Computing (HPC) services. Open access publishing facilitated by Victoria University of Wellington, as part of the Wiley - Victoria University of Wellington agreement via the Council of Australian University Librarians.
Publisher Copyright:
© 2022 The Authors. Angewandte Chemie International Edition published by Wiley-VCH GmbH.
Keywords
- Aluminyl Anions
- Bimetallic Complexes
- Carbonylation
- Hydrogen-Shift
- Metallacycles
ASJC Scopus subject areas
- Catalysis
- General Chemistry
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Dive into the research topics of 'Potassium Aluminyl Promoted Carbonylation of Ethene'. Together they form a unique fingerprint.Projects
- 1 Finished
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Nucleophilic alkaline earth boryls: from conception and theory to application
Hill, M. (PI), Cresswell, A. (CoI) & McMullin, C. (Researcher)
Engineering and Physical Sciences Research Council
1/05/18 → 31/07/22
Project: Research council
Equipment
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Balena High Performance Computing (HPC) System
Facility/equipment: Equipment