Abstract: Proton magnetic resonance spectra at 270 MHz are reported for Boc (L-Nva),, OMe, n= 1-4. and for Ac-l.-Nva-OMc. in CDCI, and CDC13IMe2SO-dh mixtures. A method is reported for assigning theC" H resonance at theC-terminal rcsidue of ester C-protected peptides, based on the downfield shift of that resonance in CDCIj with increasing temperature. No rolded forms are found for the unaggregated dipeptide (0.009 M), but ...
