黄花倒水莲的一个新(口山)酮  

A new xanthone from Polygala aureocauda Dunn.

作　　者：黄朝辉[1] 徐康平[1] 周应军[1] 胡高云[1] 谭桂山[1] 

机构地区：[1]中南大学药学院药物化学系,湖南长沙410013

出　　处：《药学学报》2004年第9期752-754,共3页Acta Pharmaceutica Sinica

基　　金：湖南省科技厅资助项目(20001011-5).

摘　　要：Aim To study the chemical constituents of Polygala aureocauda Dunn.. Methods Chemical compounds were isolated by column chromatography and their structures were determined mainly by spectroscopic means (UV, IR, MS, ^1HNMR, ^13CNMR, HMQC, HMBC). Results Three compounds were isolated and identified as 3-hydroxy-1,4-dimethoxyxanthone (Ⅰ), 1,7-dihydroxy-2,3-methylendioxyxanthone ( Ⅱ ), 7-hydroxy-1-methoxy-2, 3-methylendioxyxanthone ( Ⅲ ). Conclusion Compounds Ⅰ -Ⅲ were isolated from Polygala aureocauda Dunn. for the first time, whereas compound Ⅰ is a new xanthone.Aim To study the chemical constituents of Polygala aureocauda Dunn. . Methods Chemical compounds were isolated by column chromatography and their structures were determined mainly by spectroscopic means ( UV, IR, MS, 1HNMR, 13CNMR, HMQC, HMBC). Results Three compounds were isolated and identified as 3-hydroxy-1, 4-dimethoxyxanthone (Ⅰ), 1,7-dihydroxy-2, 3-methylendioxyxanthone (Ⅱ), 7-hydroxy-1-methoxy-2, 3-methylendioxyxanthone (Ⅲ). Conclusion Compounds Ⅰ-Ⅲ were isolated from Polygala aureocauda Dunn, for the first time, whereas compound Ⅰ is a new xanthone.

关 键 词：远志属 黄花倒水莲 SAN酮 

分 类 号：R284.1[医药卫生—中药学] R284.2[医药卫生—中医学]