(5S)-3-acetyl-5-[(2S)-butan-2-yl]pyrrolidine-2,4-dione

Tenuazonic acid is a member of the class of pyrrolidin-2-ones that is 5-(butan-2-yl)pyrrolidine-2,4-dione carrying an additional acetyl group at position 3. A mycotoxin produced by various plant pathogenic fungi. It has a role as a mycotoxin, a protein synthesis inhibitor and a human urinary metabolite. It is a methyl ketone, a beta-diketone and a member of pyrrolidin-2-ones. It is a conjugate acid of a tenuazonic acid(1-).