A new triterpenoid saponin from the leaves and stems of Panax quinquefolium L.

作     者：Guo Yu Li Yi Mei Zeng He Meng Xian Li Jin Hui Wang 

作者机构：School of Pharmacy Shihezi University Shihezi 832002 China School of Traditional Chinese Materia Medica. Shenyang Pharmaceutical University Shenyang 110016 China 

出 版 物：《Chinese Chemical Letters》 (中国化学快报（英文版）)

年 卷 期：2009年第20卷第10期

页      面：1207-1210页

核心收录：

学科分类：1008[医学-中药学(可授医学、理学学位)] 081704[工学-应用化学] 07[理学] 08[工学] 0817[工学-化学工程与技术] 070303[理学-有机化学] 0703[理学-化学] 10[医学] 

基　　金：supported by 973 Program(No.2006CB708517) Program for New Century Excellent Talents in University of Peoples Republic of China(No.NCET-04-0289) 

主　　题：Panax quinquefolium L. Quinquenoside L17 Triterpenoid saponin 

摘      要：One new triterpcnoid saponin, quinquenoside L17 （1）, was isolated from the leaves and stems of Panax quinquefolium L., and its structure was elucidated as 20-O-[（β-D-xylopyranosyl-（1-6）-O-β-D-glucopyranosy）]-6-O-β-D-glucopyranosy1-dammar-24-ene- 3,6,12,20-tetraol, by the combination analysis of one-dimensional NMR and two-dimensional NMR, mass spectrometry, CD spectrum and chemical evidences.