Figure 5.
2D HMBC 1H-13C correlation NMR spectrum for poly GLG in CDCl3 (700 MHz, 1H; 175 MHz 13C). The detailed cross peaks correspond to 3-bond correlations between the L-carbonyl with the GC methylenes and the GO carbonyl with the L-methine.
2D HMBC 1H-13C correlation NMR spectrum for poly GLG in CDCl3 (700 MHz, 1H; 175 MHz 13C). The detailed cross peaks correspond to 3-bond correlations between the L-carbonyl with the GC methylenes and the GO carbonyl with the L-methine.