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  • Title: Azaphilones from the Marine Sponge-Derived Fungus Penicillium sclerotiorum OUCMDZ-3839.
    Author: Jia Q, Du Y, Wang C, Wang Y, Zhu T, Zhu W.
    Journal: Mar Drugs; 2019 Apr 30; 17(5):. PubMed ID: 31052279.
    Abstract:
    Four new azaphilones, sclerotiorins A-D (1-4), as well as the dimeric sclerotiorin E (5) of which we first determined its absolute configuration, and 12 known analogues (5-16) were isolated from the fermentation broth of Penicillium sclerotiorum OUCMDZ-3839 associated with a marine sponge Paratetilla sp.. The new structures, including absolute configurations, were elucidated by spectroscopic analyses, optical rotation, ECD spectra, X-ray single-crystal diffraction, and chemical transformations. Compounds 11 and 14 displayed significant inhibitory activity against α-glycosidase, with IC50 values of 17.3 and 166.1 μM, respectively. In addition, compounds 5, 7, 10, 12-14, and 16 showed moderate bioactivity against H1N1 virus.
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