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  • Title: New p-terphenyls from the endophytic fungus Aspergillus sp. YXf3.
    Author: Yan W, Wuringege, Li SJ, Guo ZK, Zhang WJ, Wei W, Tan RX, Jiao RH.
    Journal: Bioorg Med Chem Lett; 2017 Jan 01; 27(1):51-54. PubMed ID: 27887840.
    Abstract:
    Five new p-terphenyls named prenylterphenyllin D (1), prenylterphenyllin E (2), 2'-O-methylprenylterphenyllin (3), 4-O-methylprenylterphenyllin (4) and 3'-O-methylterphenyllin (5) together with seven known compounds (6-12), were isolated from cultures of Aspergillus sp. YXf3. The structures of the new compounds were elucidated by extensive MS and NMR analyses. The NMR and MS data of 5 is reported for the first time, as its structure was listed in SciFinder Scholar with no associated reference. Compounds 6 and 7 were distinguished from each other on the basis of 2D NMR experiments. Compounds 1, 2, 3 and 8 showed antibacterial activities against X. oryzae pv. oryzicola Swings and E. amylovora with the same MIC values of 20μg/mL while 10 exhibited activities against E. amylovora with an MIC value of 10μg/mL.
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