Novel Cytotoxic, Polyprenylated Heptacyclic Xanthonoids from Indonesian <i>Garcinia </i><i>g</i><i>audichaudii</i> (Guttiferae)

Abstract

[reaction: see text] The structures of novel gaudichaudiic acids F-I (1-4), isolated from the bark of Indonesian Garcinia gaudichaudii, have been elucidated by detailed spectral analysis. Gaudichaudiic acid I (4) is probably derived from 1 as a result of allylic oxidation at C-24 and C-21, followed by aromatization.