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  4. Reactions of fluoroalkenes with an aluminium(I) complex
 
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Reactions of fluoroalkenes with an aluminium(I) complex
File(s)
_HFOs_9thApril.pdf (1.21 MB)
Accepted version
Author(s)
Bakewell, Clare
White, Andrew JP
Crimmin, Mark R
Type
Journal Article
Abstract
A series of industrially relevant fluoroalkenes react with a monomeric AlI complex. These reactions break strong sp2 and sp3 C-F bonds, and result in the formation of a diverse array of organoaluminium compounds. Mechanistic studies show that two mechanisms are likely in operation: 1) direct oxidative addition of the C-F bond to AlI occurs with retention of alkene stereochemistry, and 2) stepwise formation and decomposition of a metallocyclopropane intermediate occurs with inversion of alkene stereochemistry. As part of this mechanistic analysis, we have isolated the first aluminium metallocyclopropane complex from oxidative addition of an alkene to AlI . Remarkably this reaction is reversible and reductive elimination of the alkene occurs at higher temperature reforming AlI . Furthermore, in selected cases the organoaluminium products are susceptible toward β-fluoride elimination to yield a double C-F activation pathway.
Date Issued
2018-05-28
Date Acceptance
2018-04-01
Citation
Angewandte Chemie International Edition, 2018, 57 (22), pp.6638-6642
URI
http://hdl.handle.net/10044/1/60994
URL
https://onlinelibrary.wiley.com/doi/full/10.1002/anie.201802321
DOI
https://www.dx.doi.org/10.1002/anie.201802321
ISSN
1521-3757
Publisher
Wiley
Start Page
6638
End Page
6642
Journal / Book Title
Angewandte Chemie International Edition
Volume
57
Issue
22
Copyright Statement
© 2018 Wiley‐VCH Verlag GmbH & Co. KGaA, Weinheim. This is the accepted version of the following article: C. Bakewell, A. J. P. White, M. R. Crimmin, Angew. Chem. Int. Ed. 2018, 57, 6638, which has been published in final form at https://dx.doi.org/10.1002/anie.201802321
Identifier
https://www.ncbi.nlm.nih.gov/pubmed/29645324
Subjects
HFOs
aluminum
fluoride elimination
fluoroolefins
hydrofluorocarbons
Publication Status
Published
Coverage Spatial
Germany
Date Publish Online
2018-04-12
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