Carboxamide versus Sulfonamide in Peptide Backbone Folding: A Case Study with a Hetero Foldamer
Organic Letters2013Vol. 15(7), pp. 1504–1507
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Veera V. E. Ramesh, Sangram S. Kale, Amol S. Kotmale, Rupesh L. Gawade, Vedavati G. Puranik, P. R. Rajamohanan, Gangadhar J. Sanjayan
Abstract
Strikingly dissimilar hydrogen-bonding patterns have been observed for two sets of closely similar hetero foldamers containing carboxamide and sulfonamides at regular intervals. Although both foldamers maintain conformational ordering, the hydrogen-bonding pattern and backbone helical handedness differ diametrically.
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