Five new compounds from the fungus Ganoderma petchii

The fungal species of the genus Ganoderma attracted great interest in the last decades. Our recent investigation on Ganoderma petchii afforded five new compounds, (−)-petchioics A and B (1 and 2), petchiates A and B (3 and 4), petchine (5), and a known compound. The structures of the new compounds were elucidated on the basis of spectroscopic data. The absolute configurations of 1 and 2 were assigned by computational methods. Biological activities of these isolates towards human cancer cells, COX-1/2, and influenza virus were evaluated.

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