Research Article
A Conformational Model for MTPA Esters of Chiral N-(2-Hydroxyalkyl)acrylamides
Figure 1
1H NMR signals for diastereotopic protons H1′a and H1′b in the (R)-MTPA amido ester (S)-3b (Spectrum A) and (S)-MTPA amido ester (S)-4b (Spectrum B).