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Short Reports • J. Braz. Chem. Soc. 24 (5) • May 2013 • https://doi.org/10.5935/0103-5053.20130104   copy

Talaroxanthone, a novel xanthone dimer from the endophytic fungus Talaromyces sp. associated with Duguetia stelechantha (Diels) R. E. Fries

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DgCr22.1b, an endophytic isolate of Talaromyces sp., was collected in the Amazonian Rainforest from the medicinal plant Duguetia stelechantha. From the fractionation of the methanolic mycelial extract, a new xanthone dimer talaroxanthone was isolated. The structure of this new compound was elucidated based on spectroscopic analyses including 2D nuclear magnetic resonance (NMR) experiments.

Duguetia stelechantha; endophytic fungi; Talaromyes sp.; xanthone

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