Shoreanol A and B, unprecedented oligostilbenoids from the twigs of Shorea obtusa Wall

文献类型： 外文期刊

第一作者： Guo, Zhikai

作者： Guo, Zhikai;Guo, Zhikai;Cheng, Yiqing;Huang, Wei;Jiao, Ruihua;Guo, Zhikai

作者机构：

关键词： Shorea obtusa Wall; Oligostilbenoid; Resveratrol aneuploid; Structure elucidation

期刊名称：FITOTERAPIA （ 影响因子：2.882； 五年影响因子：3.202 ）

ISSN： 0367-326X

年卷期： 2020 年 142 卷

页码：

收录情况： SCI

摘要： Chemical investigation of the twigs extract of tropical dipterocarpaceous plant Shorea obtusa Wall led to the isolation of two previously undescribed oligostilbenoids, including a structurally unusual resveratrol aneuploid named shoreanol A (1) and a new resveratrol trimer derivative named shoreanol B (2). Their structures and relative configurations were determined by comprehensive spectroscopic analysis and comparison with previously reported compound. Shoreanol A (1) was identified as a rare natural resveratrol aneuploid possessing a novel carbon skeleton through condensation of three resveratrol monomer and one benzyl moiety, which is the first example in the Dipterocarpaceae. While shoreanol B (2) was characterized to be the first example of stilbene trimer bearing an epoxy group in the genus Shorea.

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