deoxyherqueinone
deoxyherqueinone
An organic heterotetracyclic compound that is 8,9-dihydro-4<em>H</em>-phenaleno[1,2-<em>b</em>]furan substituted by methyl groups at positions 1,8,8 and 9<i>R</i>, hydroxy groups at positions 3,4 and 7, methoxy group at position 5 and oxo group at position 6. It is isolated from the soil fungus, <em>Penicillium herquei</em>.