(Science: chemical) (1 beta,2 alpha,11 beta,12 alpha,15 beta(s))-11,20-epoxy-1,2,11,12-tetrahydroxy-15-(2-hydroxy-2-methyl-1-oxobutoxy)picras-3-en-16-one. A quassinoid (simaroubolide) from simaruba glauca, a tropical shrub. It has been used as an antiamebic agent and is found to be cytotoxic. It may be of use in cancer chemotherapy.
Pharmacological action: amebicides, antineoplastic agent, phytogenic.
chemical name: Picras-3-en-16-one, 11,20-epoxy-1,2,11,12-tetrahydroxy-15-(2-hydroxy-2-methyl-1-oxobutoxy)-, (1beta,2alpha,11beta,12alpha,15beta(S))-