Solvation rules: aromatic interactions outcompete cation–π interactions in synthetic host–guest complexes in water †
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Peer-reviewed
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Sun, Qingqing
resid: B-6436-2011
Abstract
Chemical double mutant cycles were used to measure the interaction of a N-methyl pyridinium cation with a π-box in a calix[4]pyrrole receptor. Although the cation–π interaction is attractive (−11 kJ mol−1), it is 7 kJ mol−1 less favourable than the corresponding aromatic interaction with the isosteric but uncharged tolyl group.
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The Royal Society of Chemistry
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Agència de Gestió d'Ajuts Universitaris i de Recerca (2017 SGR 1123)
Generalitat de Catalunya (Unassigned)
Generalitat de Catalunya (Unassigned)