The molecule is a member of the class of nectriapyrones that is 2H-pyran-2-one which is substituted at positions 3, 4, 5 and 6 by methyl, hydroxy, methyl and but-2-en-2-yl groups, respectively. It is a secondary metabolite produced by Aspergillus fumigatus and inhibits germination of spores of the inducing Streptomyces rapamycinicus. It has a role as an Aspergillus metabolite. It is an organic hydroxy compound and a member of nectriapyrones.
6-[(E)-but-2-en-2-yl]-4-hydroxy-3,5-dimethylpyran-2-one