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Al(OCArF3)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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Publication details

The article was received on 06 Jul 2018, accepted on 25 Sep 2018 and first published on 02 Oct 2018


Article type: Edge Article
DOI: 10.1039/C8SC02981D
Citation: Chem. Sci., 2018, Advance Article
  • Open access: Creative Commons BY-NC license
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    Al(OCArF3)3 – a thermally stable Lewis superacid

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

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