Accumulation, Characterization and Reactivity of Chiral Ammonium-Carboxonium Dications in Superacid.
Emanuela BerrinoThomas CantinMaxime ArtaultStefanie BeckChristoph JessenJérôme MarrotFrédéric GueganAgnès Martin-MingotAndreas KornathSébastien ThibaudeauPublished in: Angewandte Chemie (International ed. in English) (2024)
The accumulation of chiral ammonium-oxocarbenium dications in superacid is evidenced by low-temperature NMR spectroscopy, X-ray diffraction analysis and confirmed by DFT calculations. Its potential for the diastereoselective remote hydrofunctionalization of non-activated alkene is also explored.