3,4-Seco-3,4-epoxyfriedelane-3-one

Friedelin-3,4-lactone (Compound 4) is a triterpene can be isolated from the leaves of Garcia parViflora with weak antitumor activity[1].

ChEBI: Friedelin-3,4-lactone is a pentacyclic triterpenoid isolated from the leaves of Garcia parviflora. It is a terpene lactone, a pentacyclic triterpenoid and an epsilon-lactone. It is functionally related to a friedelin.

[1] Reyes BM, et al. Triterpenes from Garcia parviflora. Cytotoxic evaluation of natural and semisynthetic friedelanes. J Nat Prod. 2010 Nov 29;73(11):1839-45. DOI:10.1021/np100440p