Figure 2.
Selected NOESY correlations between the piperidine rings of (a) xestoproxamine A (1) and (b) xestoproxamine C (3). Points of attachment of linking chains are indicated by •. Note, ring ‘A’ has undergone ring-flip in 3 with respect to 1.
Selected NOESY correlations between the piperidine rings of (a) xestoproxamine A (1) and (b) xestoproxamine C (3). Points of attachment of linking chains are indicated by •. Note, ring ‘A’ has undergone ring-flip in 3 with respect to 1.