文献类型： 外文期刊
第一作者： Zuo, Wen-Jian
作者： Zuo, Wen-Jian;Chen, Hui-Qin;Wang, Jin-Hui;Zuo, Wen-Jian;Dai, Hao-Fu;Zeng, Yan-Bo;Wang, Hui;Chen, Hui-Qin
作者机构：
关键词： Ilex kudingcha;triterpene saponins;ilekudinchosides F and G
期刊名称：JOURNAL OF ASIAN NATURAL PRODUCTS RESEARCH （ 影响因子：1.569； 五年影响因子：1.598 ）
ISSN： 1028-6020
年卷期： 2012 年 14 卷 4 期
页码：
收录情况： SCI
摘要： Two new triterpene saponins, ilekudinchosides F (1) and G (2), along with three known saponins were isolated from the leaves of Ilex kudingcha C. J. Tseng. The new compounds were characterized as 3 beta,19 alpha-dihydroxy-12 alpha-ethoxy-urs-13(18)-ene-28,20 beta-lactone-3-O-[beta-D-glucopyranosyl(1 -> 3)]-[alpha-L-rhamnopyranosyl(1 -> 2)]-alpha-L-arabinopyranoside (1) and 3 beta,19 alpha-dihydroxy-12 alpha-methoxy-urs-13(18)-ene-28,2 beta-blactone-3-O-[alpha-L-rhamnopyranosyl(1 -> 2)]-alpha-L-arabinopyranoside (2). The new structures were elucidated by spectroscopic methods including 1D and 2D NMR, HR-TOF-MS, and CD spectrometry, and the known compounds were identified by the comparison of their NMR and HR-TOF-MS data with those reported in the literature.
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