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CD spectra in acetonitrile. Ellipticities for the N-(p-nitrophenylethyl)glycine trimer 8 (Nsnp)3 (▴), pentamer 9 (Nsnp)5 (○), octamer 10 (Nrnp)8 (•), and the acetylated monomer 7 Ac-Nsnp (□) were calculated per mol of amide groups present. Helix-like CD signals are evident for the pentamer and octamer. The octamer was prepared from monomers of the opposite chirality (R vs. S). Peptoid concentration was 2 mg/ml at 25°C.
