Issue 10, 2015

Reversal of H-bonding direction by N-sulfonation in a synthetic reverse-turn peptide motif

Abstract

This communication depicts an intriguing example of hydrogen-bonding reversal upon introduction of a sulfonamide linkage at the N-terminus of a synthetic reverse-turn peptide motif. The ready availability of two sulfonyl oxygen atoms, as hydrogen-bonding acceptors, combined with the inherent twisted conformation of sulfonamides are seen to act as switches that engage/disengage the hydrogen-bond at the sticky ends/termini.

Graphical abstract: Reversal of H-bonding direction by N-sulfonation in a synthetic reverse-turn peptide motif

Supplementary files

Article information

Article type
Paper
Submitted
20 Nov 2014
Accepted
13 Jan 2015
First published
13 Jan 2015

Org. Biomol. Chem., 2015,13, 3064-3069

Author version available

Reversal of H-bonding direction by N-sulfonation in a synthetic reverse-turn peptide motif

K. N. Vijayadas, A. S. Kotmale, S. H. Thorat, R. G. Gonnade, R. V. Nair, P. R. Rajamohanan and G. J. Sanjayan, Org. Biomol. Chem., 2015, 13, 3064 DOI: 10.1039/C4OB02438A

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