Objective To study the chemical constituents of Epimedium koreanum.Methods Separation was carried out through silica gel and Sephadex LH-20 column chromatography and HPLC method.The chemical structures were elucidated...Objective To study the chemical constituents of Epimedium koreanum.Methods Separation was carried out through silica gel and Sephadex LH-20 column chromatography and HPLC method.The chemical structures were elucidated by spectroscopic method including 1D-NMR and 2D-NMR.Results A new furanflavonol glycoside（1）was isolated and identified.Conclusion Compound 1 is a new furanflavonol glycoside,and its structure is corroborated as 5,4′-dihydroxyfurano[2″,3″：7,8]flavonol 3-O-α-L-rhamnoside.展开更多
基金National Natural Science Foundation of China(21262021,21062008)
文摘Objective To study the chemical constituents of Epimedium koreanum.Methods Separation was carried out through silica gel and Sephadex LH-20 column chromatography and HPLC method.The chemical structures were elucidated by spectroscopic method including 1D-NMR and 2D-NMR.Results A new furanflavonol glycoside（1）was isolated and identified.Conclusion Compound 1 is a new furanflavonol glycoside,and its structure is corroborated as 5,4′-dihydroxyfurano[2″,3″：7,8]flavonol 3-O-α-L-rhamnoside.
