burnettramic acid a aglycone

Burnettramic acid A aglycone is a fungal metabolite and an aglycone form of burnettramic acid A originally isolated fromA. burnettiithat has anticancer activity.1It is cytotoxic to NS-1 murine myeloma cells but not neonatal foreskin fibroblasts (IC50s = 8.4 and >100 μg/ml, respectively). 1.Li, H., Gilchrist, C.L.M., Lacey, H.J., et al.Discovery and heterologous biosynthesis of the burnettramic acids: Rare PKS-NRPS-derived bolaamphiphilic pyrrolizidinediones from an Australian fungus, Aspergillus burnettiiOrg. Lett.21(5)1287-1291(2019)