珍珠菜中五环三萜-3-O-对香豆酸酯类化学成分的分离鉴定

许琼明 唐丽华 李夏 郝丽莉 李笑然 杨世林

中国药学杂志 ›› 2010, Vol. 45 ›› Issue (11) : 825-827.

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中国药学杂志 ›› 2010, Vol. 45 ›› Issue (11) : 825-827.
论著

珍珠菜中五环三萜-3-O-对香豆酸酯类化学成分的分离鉴定

  • 许琼明,唐丽华,李夏,郝丽莉,李笑然*,杨世林
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Isolation and Identification of 3-O-p-Coumaroyloxyl Pentacyclic Triterpenoids from Lysimachia clethroides Duby

  • XU Qiong-ming,TANG Li-hua,LI Xia,HAO Li-li,LI Xiao-ran*,YANG Shi-lin
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摘要

目的 研究珍珠菜全草乙酸乙酯提取物中的五环三萜-3-O-对香豆酸酯类化学成分。方法 利用硅胶柱色谱法、Sephadex LH-20凝胶柱色谱法、中压柱色谱及半制备高效液相色谱等方法 分离纯化;通过核磁共振谱、质谱、红外光谱等光谱数据鉴定化合物结构。结果 分离得到6种五环三萜-3-O-对香豆酸酯类化合物,分别被鉴定为(Z)-马斯里酸-3-O-对香豆酸酯(Ⅰ),(E)-马斯里酸-3-O-对香豆酸酯(Ⅱ),(Z)-2α-羟基乌苏酸-3-O-对香豆酸酯(Ⅲ),(E)-2α-羟基乌苏酸-3-O-对香豆酸酯(Ⅳ),(Z)-萎陵菜酸-3-O-对香豆酸酯(Ⅴ),(E)-萎陵菜酸-3-O-对香豆酸酯(Ⅵ)。结论 化合物Ⅰ~Ⅵ均为首次在珍珠菜属植物中发现。

Abstract

OBJECTIVE To isolate and identify the 3-O-p-coumaroyloxyl pentacyclic triterpenoids from acetoacetate extract of Lysimachia clethroides Duby, which showed significant cancer chemopreventive activities. METHODS The 3-O-p-coumaroyloxyl pentacyclic triterpenoids were isolated by using silica gel column chromatography, Sephadex LH-20 chromatography MPLC, and Semi-HPLC. Their structures were elucidated with spectroscopic analysis(NMR, MS and IR ). RESULTS Six 3-O-p-coumaroyloxyl pentacyclic triterpenoids were isolated and identified as 3-O-cis-p-coumaroyl maslinic acid(Ⅰ), 3-O-trans-p-coumaroyl maslinic acid(Ⅱ), 3-O-cis-p-coumaroyl-2α-hydroxyursolic acid(Ⅲ), 3-O-trans-p-coumaroyl- 2α-hydroxyursolic acid(Ⅳ), 3-O-cis-p-coumaroyl tormentic acid(Ⅴ) and 3-O-trans-p- coumaroyl tormentic acid(Ⅵ). CONCLUSION All these compounds were obtained from the Lysimachia Genus for the first time.

关键词

珍珠菜 / 五环三萜-3-O-对香豆酸酯 / 分离 / 鉴定

Key words

Lysimachia clethroides Duby / 3-O-p-coumaroyloxyl pentacyclic triterpenoids / isolation / identification

引用本文

导出引用
许琼明 唐丽华 李夏 郝丽莉 李笑然 杨世林. 珍珠菜中五环三萜-3-O-对香豆酸酯类化学成分的分离鉴定[J]. 中国药学杂志, 2010, 45(11): 825-827
XU Qiong-ming;TNG Li-hu;LI Xi;HO Li-li;LI Xio-rn;YNG Shi-lin. Isolation and Identification of 3-O-p-Coumaroyloxyl Pentacyclic Triterpenoids from Lysimachia clethroides Duby[J]. Chinese Pharmaceutical Journal, 2010, 45(11): 825-827

参考文献


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