Figure 2
From: Total synthesis of the reported structure of 13a-hydroxytylophorine

(A) Retrosynthetic analysis of 13a-hydroxytylophorine 1 and (B) proposed one-pot reductive cyclization cascade.
From: Total synthesis of the reported structure of 13a-hydroxytylophorine
(A) Retrosynthetic analysis of 13a-hydroxytylophorine 1 and (B) proposed one-pot reductive cyclization cascade.