Bialternacins A-F, Aromatic Polyketide Dimers from an Endophytic Alternaria sp.

文献类型: 外文期刊

第一作者: Yang, Cheng Long

作者: Yang, Cheng Long;Wu, Hui Min;Liu, Cheng Li;Zhang, Xuan;Jiao, Rui Hua;Tan, Ren Xiang;Ge, Hui Ming;Tan, Ren Xiang;Guo, Zhi Kai;Chen, Yu;Liu, Fang;Liang, Yong

作者机构:

期刊名称:JOURNAL OF NATURAL PRODUCTS ( 影响因子:4.05; 五年影响因子:4.603 )

ISSN: 0163-3864

年卷期: 2019 年 82 卷 4 期

页码:

收录情况: SCI

摘要: Six novel aromatic polyketide dimers, bialternacins A-F (1-6), were isolated from a plant endophytic Alternaria sp. The structures of compounds 1-6 were elucidated on the basis of extensive spectroscopic analysis, single-crystal X-ray diffraction, and electronic circular dichroism analysis. Compounds 1, 2, 5, and 6 were characterized as four pairs of racemic mixtures. Compound (+)-5 was demonstrated to show acetylcholinesterase inhibitory activity with an IC50 value of 15.5 mu M. A putative biosynthetic pathway for these compounds was proposed.

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