Meihua Tao

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Two new polyketides, 7,8-dihydroxy-3,5,7-trimethyl-8,8a-dihydro-1H-isochromen-6(7H)-one (1) and 6-(hydroxymethyl)-2,2-dimethyl-3,4-dihydro-2H-chromene-3,4-diol (2), together with a known nitrogen-containing polyketide (cytochalasin-type of metabolites), [12]-cytochalasin (3), have been isolated from the fermentation broth of a marine sediment-derived fungus(More)
Five new oxygenated pimarane diterpenes, named scopararanes C-G (1-5) were isolated from the culture of a marine sediment-derived fungus Eutypella scoparia FS26 obtained from the South China Sea. The structures of these compounds were established on the basis of extensive spectroscopic analysis. The absolute configurations of compounds 1-5, were determined(More)
OBJECTIVE To investigate the chemical constituents of an endophytic fungus, Nodulisporium sp. A4, from the medicinal plant Aquilaria sinensis and search for antitumor natural products. METHOD The fungus was cultured in liquid medium and extracted with EtOAc. The compounds were isolated by various chromatographic methods (silica gel, reverse silica gel,(More)
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