The molecule is an azaphilone that is 6,6a-dihydro-8H-furo[2,3-h]isochromen-6,8(6aH)-dione substituted by an acetyl group at position 9, a chloro group a position 5, a 3,5-dimethylhepta-1,3-dien-1-yl group at position 3 and a methyl group at position 6a. Isolated from Chaetomium cupreum, it exhibits antifungal activity. It has a role as an antifungal agent and a Chaetomium metabolite. It is a gamma-lactone, an azaphilone, an enone, a methyl ketone, an organic heterotricyclic compound and an organochlorine compound.
(6aS)-9-acetyl-5-chloro-3-[(1E,3E,5S)-3,5-dimethylhepta-1,3-dienyl]-6a-methylfuro[2,3-h]isochromene-6,8-dione