A New Biflavone from Selaginella pulvinata Maxim
A New Biflavone from Selaginella pulvinata Maxim作者机构：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 版 物：《有机化学》 (Chinese Journal of Organic Chemistry)
年 卷 期：2003年第23卷第Z1期
页 面：395-396页
核心收录：
学科分类：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]
主 题：spectroscopic analysis chemical constituents silica gel in order
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).……
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