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Al(OCArF3)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].

SUBMITTER: Kogel JF 

PROVIDER: S-EPMC6256356 | biostudies-literature | 2018 Nov

REPOSITORIES: biostudies-literature

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Al(OCArF3)<sub>3</sub> - a thermally stable Lewis superacid.

Kögel Julius F JF   Timoshkin Alexey Y AY   Schröder Artem A   Lork Enno E   Beckmann Jens J  

Chemical science 20181002 43


The adduct free Lewis superacid Al(OCArF3)<sub>3</sub> was obtained by the reaction of ArF3COH with AlEt<sub>3</sub> and fully characterized (Ar<sup>F</sup> = C<sub>6</sub>F<sub>5</sub>). 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, Et<sub>2</sub>O, pyridine, OPEt<sub>3</sub>), the fluoride complexes [Q][FAl(OCAr<sup>F</sup>)<sub>3</sub>] (Q<sup>+</sup> = Cs<su  ...[more]

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