S(vi) Lewis acids: fluorosulfoxonium cations

Author:

Tsao Fu An1234,Waked Alexander E.1234,Cao Levy1234,Hofmann Jordan1234,Liu Lei56789,Grimme Stefan56789,Stephan Douglas W.1234

Affiliation:

1. Department of Chemistry

2. University of Toronto

3. Toronto

4. Canada

5. Mulliken Center for Theoretical Chemistry

6. Institut fuer Physikalische und Theoretische Chemie

7. Universitaet Bonn

8. D-53115 Bonn

9. Germany

Abstract

Avenues to S-based Lewis acids were developed via the oxidation of aryl-sulfoxides with XeF2, giving difluorodiarylsulfoxides which react via fluoride abstraction to afford Lewis acidic fluorosulfoxonium cations; this acidity is derived from the S–F σ* orbital and has been probed both experimentally and computationally.

Publisher

Royal Society of Chemistry (RSC)

Subject

Materials Chemistry,Metals and Alloys,Surfaces, Coatings and Films,General Chemistry,Ceramics and Composites,Electronic, Optical and Magnetic Materials,Catalysis

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