Issue 43, 2018

Al(OCAr F3)3 – a thermally stable Lewis superacid

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

Supplementary files

Article information

Article type
Edge Article
Submitted
06 juil. 2018
Accepted
25 sept. 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
Creative Commons BY-NC license

Chem. Sci., 2018,9, 8178-8183

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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