Triterpenes and Other Constituents from Rhaponticum uniflorum

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Triterpenes and Other Constituents from Rhaponticum uniflorum

Zhang Yonghong, Wang Wen, Wang Tao, Wang Hanqing^*

1. Institute of Lanzhou Chemical Physics, Chinese Academy of Sciences, Lanzhou 730000;
2. School of Pharmaceutical Sciences,Peking University, Beijing 100083

Received:2001-05-17 Revised:2001-06-30 Online:2001-09-15 Published:2001-09-15
Contact: Wang Hanqing*

Abstract

Abstract: From the roots of Rhaponticum uniflorum a new triterpene was isolated together with ursolic acid(2), 3-oxo-19a-hydroxyurs-12-en-28-oic acid (3), pomolic acid (4), 2α,3α,19α-trihydroxyurs-12-en-28-oic acid (5), arctic acid (6), catechin (7) and b-sitosterol (8). The structure of the new compound was elucidated as 2α,3α,19α,25-tetrahydroxyurs-12-en-23,28-dioic acid (1) on the basis of spectral and chemical methods.

Key words: Rhaponticum uniflorum, Rhaponticum uniflorum, Compositae, Compositae, Ttriterpene, Ttriterpene

Supporting:

Zhang Yonghong, Wang Wen, Wang Tao, Wang Hanqing^* . Triterpenes and Other Constituents from Rhaponticum uniflorum[J]. .

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Triterpenes and Other Constituents from Rhaponticum uniflorum

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