Figure 9.
Structures of the four 2a:β-D-fructofuranose complexes (13–16) observed in 9:1 DMSO-d6:D2O. Boronates 15 and 16 are “exo” and “endo” isomers exhibiting 13C-2 chemical shifts of equal intensity at 114.4 and 114.3 ppm, respectively.
Structures of the four 2a:β-D-fructofuranose complexes (13–16) observed in 9:1 DMSO-d6:D2O. Boronates 15 and 16 are “exo” and “endo” isomers exhibiting 13C-2 chemical shifts of equal intensity at 114.4 and 114.3 ppm, respectively.