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Eighteen sorbicillonoids, including three new sorbicillin trimers, trisorbicillinones B (2), C (3), and D (4), were isolated from a deep ocean sediment derived fungus, Phialocephala sp. FL30r. Their structures were determined by IR, MS, CD, and NMR spectral data. The cytotoxic activities of the new trisorbicillinones B (2), C (3), and D (4) were tested against both P388 and K562 cell lines.
Four new alkaloids, including two new meleagrin analogs, meleagrins B (2) and C (3), and two new diketopiperazines, roquefortines F (5) and G (6), together with six new diterpenes, conidiogenones B–G (7–12), were isolated from a deep ocean sediment derived fungus Penicillium sp. The structures and stereochemistry of the new compounds were elucidated by spectroscopic methods. The cytotoxicity of the...
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