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New p-terphenyls from the endophytic fungus Aspergillus sp YXf3

文献类型: 外文期刊

作者: Yan, Wei 1 ; Wuringege 2 ; Li, Sui-Jun 3 ; Guo, Zhi-Kai 4 ; Zhang, Wen-Jing 3 ; Wei, Wei 3 ; Tan, Ren-Xiang 3 ; Jiao, Rui 1 ;

作者机构: 1.Nanjing Agr Univ, State & Local Joint Engn Res Ctr Green Pesticide, Coll Plant Protect, Nanjing 210095, Jiangsu, Peoples R China

2.Hetao Coll, Dept Sci, Bayannur 015000, Peoples R China

3.Nanjing Univ, State Key Lab Pharmaceut Biotechnol, Inst Funct Biomol, Nanjing 210023, Jiangsu, Peoples R China

4.Chinese Acad Trop Agr Sci, Inst Trop Biosci & Biotechnol, Minist Agr, Key Lab Biol & Genet Resources Trop Crops, Haikou 571101, Peoples R China

关键词: p-Terphenyls;Aspergillus sp.;Anti-phytopathogenic activity

期刊名称:BIOORGANIC & MEDICINAL CHEMISTRY LETTERS ( 影响因子:2.823; 五年影响因子:2.677 )

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收录情况: SCI

摘要: 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 20 mu g/mL while 10 exhibited activities against E. amylovora with an MIC value of 10 mu g/mL. (C) 2016 Elsevier Ltd. All rights reserved.

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