Solution Phase Measurement of Both Weak σ and C−H···X<sup>−</sup> Hydrogen Bonding Interactions in Synthetic Anion Receptors
Orion B. Berryman(University of Oregon), Aaron C. Sather(Oak Ridge National Laboratory), Benjamin P. Hay(University of Oregon), Jeffrey Meisner(Oak Ridge National Laboratory), Darren W. Johnson(University of Oregon)
Cited by 178
Abstract
A series of tripodal receptors preorganize electron-deficient aromatic rings to bind halides in organic solvents using weak sigma anion-to-arene interactions or C-H...X- hydrogen bonds. 1H NMR spectroscopy proves to be a powerful technique for quantifying binding in solution and determining the interaction motifs, even in cases of weak binding.
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