银杏叶中一个新的萜内酯类成分(英文)  

A new ginkgolide from Ginkgo biloba

作　　者：张现涛[1] 李艳[2] 张雷红[1] 秦民坚[2] 

机构地区：[1]广东省中药研究所,广州510520 [2]中国药科大学中药学院,南京210009

出　　处：《中国药科大学学报》2009年第4期306-309,共4页Journal of China Pharmaceutical University

摘　　要：目的:研究银杏(Ginkgo bilobaL.)叶中新的化学成分。方法:运用柱色谱方法分离纯化,利用UV、IR、MS、1HNMR、13C NMR等色谱技术鉴定化合物结构。结果:从银杏叶中分离鉴定出1个新化合物:1,7,10-三羟基-3,14-去氢银杏内酯(Ⅱ)和1个已知化合物:银杏内酯L(ginkgolide L)(Ⅰ)。结论:化合物Ⅱ为新化合物,命名为银杏内酯N(ginkgolideN);化合物Ⅰ的光谱数据为首次报道。Aim:To study new chemical constituents of the leaves of Ginkgo biloba L.Methods:Isolation and purification were carried out by several chromatographic methods.The structures of the compounds were elucidated by detailed analysis of their UV,IR,MS,1H NMR and 13C NMR spectra.Results:A new ginkgolide,ginkgolide N(1,7,10-trihydroxy-3,14-dehydroginkgolide,II),along with a known compound,was isolated from the leaves of G.biloba.The structure of the known one was elucidated as ginkgolide L(I).Conclusion:Compound II...

关 键 词：银杏 银杏萜内酯 银杏内酯N 化学成分 新化合物 

分 类 号：R284.1[医药卫生—中药学]