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A new symmetric 16-membered macrodiolide, trichobotryside A (1), and two new asymmetric 18-membered macrodiolides trichobotrysides B–C (2–3) were obtained from the deep-sea-derived fungus Trichobotrys effuse DFFSCS021. Their structures were elucidated by extensive spectroscopic analysis. The absolute configurations of 1 and 2 were established by the methanolysis and modified Mosher method. And the...
A new pyrrolidinone, nigrospine (1), a new indole alkaloid, nigrospin A (2) and two new citrinins, nigrospins B and C (3-4) were isolated from a culture broth of the marine-derived fungal strain Nigrospora oryzae SCSGAF 0111. Their structures were determined by spectroscopic analysis, and the absolute configurations of 1 and 2 were determined by the Mosher ester technique. Compound 1 contains a rare...
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