Fig. 1: Proposed biosynthesis and representative molecules of enmein-type ent-kauranoids and outlines of the synthetic plan.
From: Total syntheses of (–)-macrocalyxoformins A and B and (–)-ludongnin C
a The biosynthetic pathway of enmein-type ent-kauranoids. b Successfully synthesized enmein-type ent-kauranoids. c Retrosynthetic analysis of C19-oxygenated enmein-type ent-kauranoids.
