Fluoride-Facilitated Deuterium Exchange from DMSO- d 6 to Polyamide-Based Cryptands (original) (raw)

Journal of the American Chemical Society, 2004

Abstract

Multiple deuterium exchange between DMSO-d6 and amide hydrogens in two hexaamido cryptand fluoride receptors has been verified by 19F and 2H NMR and FAB mass spectral studies. Structural results for one of the complexes indicate a tricapped trigonal prism hydrogen bond coordination geometry around an encapsulated fluoride, with hydrogen bonds from fluoride to six amide and three phenyl hydrogens.

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