Boletunones A and B, Highly Functionalized Novel Sesquiterpenes from <i>Boletus </i><i>c</i><i>alopus</i>

Abstract

Highly functionalized novel sesquiterpenes, named boletunones A and B, were isolated from the methanolic extract of the fruiting body of the mushroom Boletus calopus. Their structures and relative stereochemistry were established by various spectral analyses. [structure: see text]