Fig. 1.
Partial 1D 1H NMR spectra of isolated αMan-(1 → 2)-αMan linked oligosaccharides 4 (A), 5 (B), 6 (C) and 7 (D) obtained from the self-polymerization of orthoester 2, showing the anomeric H1 signals labeled with blue stars. (For interpretation of the colored regions in this figure, the reader is referred to the Web version of this article.)