Figure 5.

H-coupled ³¹P-NMR of phosphorylation and phosphonylation reactions of adenosine (Sample F). The labeled peaks represent the following compounds: (a) phosphite, (b) phosphate, (g) 5′-adenosine phosphite, (h) 5′-AMP, (i) 2′and 3′-adenosine phosphites, and (j) 2′and 3′-AMP.