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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