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Issue 43, 2018
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Al(OCAr F3)3 – a thermally stable Lewis superacid

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Abstract

The adduct free Lewis superacid Al(OCArF3)3 was obtained by the reaction of ArF3COH with AlEt3 and fully characterized (ArF = C6F5). It comprises a high thermal stability up to 180 °C and a distinct reactivity towards Lewis bases, as exemplified by the isolation of the neutral adducts Al(OCArF3)·D (D = MeCN, THF, Et2O, pyridine, OPEt3), the fluoride complexes [Q][FAl(OCArF)3] (Q+ = Cs+, Ag+, Tl+, [S(NMe2)3]+, [Ph3C]+, Li+, [NBu4]+, [FeCp2]+) and the chloride complex [Ph3C][ClAl(OCArF)3].

Graphical abstract: Al(OCArF3)3 – a thermally stable Lewis superacid

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Supplementary files

Article information


Submitted
06 Jul 2018
Accepted
25 Sep 2018
First published
02 Oct 2018

This article is Open Access
All publication charges for this article have been paid for by the Royal Society of Chemistry

Chem. Sci., 2018,9, 8178-8183
Article type
Edge Article

Al(OCArF3)3 – a thermally stable Lewis superacid

J. F. Kögel, A. Y. Timoshkin, A. Schröder, E. Lork and J. Beckmann, Chem. Sci., 2018, 9, 8178
DOI: 10.1039/C8SC02981D

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