Publication | Open Access
Al(OCArF3)<sub>3</sub> – a thermally stable Lewis superacid
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Citations
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References
2018
Year
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<sup>+</sup>, Ag<sup>+</sup>, Tl<sup>+</sup>, [S(NMe<sub>2</sub>)<sub>3</sub>]<sup>+</sup>, [Ph<sub>3</sub>C]<sup>+</sup>, Li<sup>+</sup>, [NBu<sub>4</sub>]<sup>+</sup>, [FeCp<sub>2</sub>]<sup>+</sup>) and the chloride complex [Ph<sub>3</sub>C][ClAl(OCAr<sup>F</sup>)<sub>3</sub>].
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