Pyrofomins A-D, four polyoxygenated sesquiterpenoids have been isolated from the methanolic extract of the fruit bodies of Pyrofomes demidoffii. Their structures are elucidated by IR, HR-FTICR-MS, and 2D NMR spectroscopy. Furthermore, the cedrane carbon skeleton of pyrofomin A (1) is confirmed by X-ray crystallographic analysis. The sesquiterpenoids 1-4 show neither cytotoxicity against KB cells nor antimicrobial activity.
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| http://dx.doi.org/10.1016/j.fitote.2016.06.004 | DOI Listing |
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