A New Biflavone from Selaginella pulvinata Maxim  

作　　者：XU Kang-Ping XU Zhi DENG Yin-Hua LI Fu-Shuang ZHOU Ying-Jun HU Gao-Yun TAN Gui-Shan 

机构地区：[1]Department of Medicinal Chemistry, School of Pharmaceutical Sciences, Central South University, Changsha 410078 Department of Medicinal Chemistry, School of Pharmaceutical Sciences, Central South University, Changsha 410078 Department of Medicinal Chemistry, School of Pharmaceutical Sciences, Central South University, Changsha 410078 Department of Medicinal Chemistry, School of Pharmaceutical Sciences, Central South University, Changsha 410078 Department of Medicinal Chemistry, School of Pharmaceutical Sciences, Central South University, Changsha 410078 Department of Medicinal Chemistry, School of Pharmaceutical Sciences, Central South University, Changsha 410078 Department of Medicinal Chemistry, School of Pharmaceutical Sciences, Central South University, Changsha 410078

出　　处：《有机化学》2003年第z1期395-396,共2页Chinese Journal of Organic Chemistry

摘　　要：　　Selaginella pulvinata Maxim. distributes all over the country of China and is used for the treatment for haemor rhage. [1] We studied on the chemical constituents of S. pulvinata in order to find the active compounds. Dried stems and leaves of S. pulvinata (6.5 kg) were extracted with 70% ethanol twice. The extract was evaporated under vacuum and than suspended in water, extracted with petroleum and EtOAc sequentially. The EtOAc extract was chromatographed on silica gel, eluted with CHCl3-MeOH. As a result, a novel biflavone, named pulvinatabiflavone, was obtained from fractions 75 ～ 78. Its structure was determined on the basis of spectroscopic analysis as 5,5″, 4′″ trihydroxy-7,7″-dimethoxy-[4′-O-6″]-biflavone (compound 1).……

分 类 号：O62[理学—有机化学]