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Issue 5, 2018
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Frustrated Lewis pairs incorporating the bifunctional Lewis acid 1,1′-fc{B(C6F5)2}2: reactivity towards small molecules

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Abstract

Applications of the bifunctional ferrocenediyl Lewis acid 1,1′-fc{B(C6F5)2}2 in frustrated Lewis pair (FLP) chemistry are described. The coordination (or otherwise) of a range of sterically encumbered C-, N- and P-centred Lewis bases has been investigated, with lutidine, tetramethylpiperidine, PPh3, PtBu3 and the expanded ring carbene 6Dipp being found to be sterically incapable of coordinate bond formation. The chemistry of a range of these FLPs in the presence of H2O, NH3, CO2 and cyclohexylisocyanate (CyNCO) has been investigated, with the patterns of reactivity identified including simple coordination chemistry, E–H bond cleavage and C–B insertion.

Graphical abstract: Frustrated Lewis pairs incorporating the bifunctional Lewis acid 1,1′-fc{B(C6F5)2}2: reactivity towards small molecules

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Article information


Submitted
02 Nov 2017
Accepted
28 Dec 2017
First published
29 Dec 2017

Dalton Trans., 2018,47, 1588-1598
Article type
Paper

Frustrated Lewis pairs incorporating the bifunctional Lewis acid 1,1′-fc{B(C6F5)2}2: reactivity towards small molecules

R. Tirfoin, J. Gilbert, M. J. Kelly and S. Aldridge, Dalton Trans., 2018, 47, 1588
DOI: 10.1039/C7DT04136E

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