A new polyketide, penicillolide from the marine-derived fungus <i>Penicillium sacculum</i>

<p>A new polyketide, penicillolide (<b>1</b>) was isolated from the fermentation broth of the marine-derived fungus <i>Penicillium sacculum</i> GT-308. Compound <b>1</b> is a polyketide with a unique carbon skeleton. The structure of this compound was established via extensive spectroscopic analyses including 1D-, 2D-NMR, and HRESI-MS.</p