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Nine amide derivatives bearing α-stereocenters as well as different substitutions on the amide nitrogen were synthesized via an n-propanephosphonic acid cyclic anhydride (T3P)-mediated coupling, and their enantiomeric pairs were separated using supercritical fluid chromatography (SFC). Five polysaccharide-based chiral stationary phases (CSPs), Chiralcel OD-H, and OJ-H, and Chiralpak AD-H, AS-H and...
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