13C NMR Spectroscopy, a Useful Tool To Determine the Enantiomeric Purity of Synthetic Threonine-Containing Glycopeptides. Spectra of Diastereoisomeric α- and β-D-Galactopyranosyl-L- and -D-threonine and -L- and -D-allothreonine

Article abstract of DOI:10.1021/jo00163a028

Further studies of O-glycosyl amino acids by natural-abundance 13C NMR spectroscopy are presented.Carbon-13 NMR spectra of diastereoisomeric α- and β-D-galactopyranosyl-L-threonine, -D-threonine, -L-allothreonine, and -D-allothreonine showed distinct anom