Fluoride-Facilitated Deuterium Exchange from DMSO-d6 to Polyamide-Based Cryptands
- 9 September 2004
- journal article
- research article
- Published by American Chemical Society (ACS) in Journal of the American Chemical Society
- Vol. 126 (39) , 12272-12273
- https://doi.org/10.1021/ja046078n
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.Keywords
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