Figure 9

NMR study of 52. (a) time dependent degradation in D₂O. (b) HP-heteroTOCSY after 1 day in D₂O. (c) HP-heteroTOCSY after 1 day in DMSO. (d) degradation reaction of nucleolipid 52 in acidic conditions. Arrows indicate cross peaks observed in the 2D spectra depicted in (b) and (c).