%0 Journal Article %@ 00404039 %A Ganguly, Ashish %A Kishore, Raghuvansh %D 1997 %F open:754 %I Elsevier Science %J Tetrahedron Letters %N 15 %P 2767-2770 %T 1H NMR spectroscopic signatures of an intraresidue hydrogen bonded C5 - structure %U http://crdd.osdd.net/open/754/ %V 38 %X Using 1D and 2D 1H NMR techniques, conformational analysis of model peptides 1 and 2 revealed that the Thr residue is conformationally restricted to a fully extended C5 - structure, stabilized by an intraresidue hydrogen bond Systematic investigation provided distinctive 1H NMR spectral parameters for this conformation across a CαH bearing chiral proteinogenic residue. Identification, characterization and distinctive 1H NMR parameters of a smallest intramolecularly hydrogen bonded structure across a chiral proteinogenic residue are described %Z Copyright of this article belongs to Elsevier Science.