The Lewis superacidic aluminium cation: [(NHC)Al(C6F5)2]+

Shaoying Ju; Chi Zhang; Beili Tang; Liu Leo Liu; Douglas W. Stephan; Yile Wu

doi:10.1039/D3CC05440C

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The Lewis superacidic aluminium cation: [(NHC)Al(C₆F₅)₂]⁺†

Shaoying Ju,^a Chi Zhang,^b Beili Tang,^a Liu Leo Liu,

^b Douglas W. Stephan

*^ac and Yile Wu

*^a

Author affiliations

* Corresponding authors

^a Institute of Drug Discovery Technology, Ningbo University, Ningbo 315211, Zhejiang, China
E-mail: wuyile@nbu.edu.cn

^b Department of Chemistry, Shenzhen Grubbs Institute and Guangdong Provincial Key Laboratory of Catalysis, Southern University of Science and Technology, Shenzhen 518055, China

^c Department of Chemistry, University of Toronto, Toronto, 80 St. George Street, Ontario M5S 3H6, Canada
E-mail: dstephan@chem.utoronto.ca

Abstract

The aluminium salt [(NHC)Al(tol)(C₆F₅)₂][B(C₆F₅)₄], (NHC = C₃H₂(N(iPr₂C₆H₃))₂) is shown to behave as a Lewis superacid as it abstracts fluoride from [SbF₆]⁻. It also acts as a Lewis acid catalyst for hydrosilyation, hydrodefluorination and Friedel–Crafts reactions.

This article is part of the themed collection: Chemical Communications HOT Articles 2024

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Article information

DOI: https://doi.org/10.1039/D3CC05440C
Article type: Communication
Submitted: 04 Nov 2023
Accepted: 05 Dec 2023
First published: 06 Dec 2023

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Chem. Commun., 2024,60, 698-701

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The Lewis superacidic aluminium cation: [(NHC)Al(C₆F₅)₂]⁺

S. Ju, C. Zhang, B. Tang, L. L. Liu, D. W. Stephan and Y. Wu, Chem. Commun., 2024, 60, 698 DOI: 10.1039/D3CC05440C

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