Two new triterpenoid saponins named lonimacranthoideⅣ（1） and lonimacranthoideⅤ（2） were isolated from the flower buds of Lonicera macranthoides Hand.-Mazz.（Caprifoliaceae）.They have hederagenin as aglycone.Loni...Two new triterpenoid saponins named lonimacranthoideⅣ（1） and lonimacranthoideⅤ（2） were isolated from the flower buds of Lonicera macranthoides Hand.-Mazz.（Caprifoliaceae）.They have hederagenin as aglycone.LonimacranthoideⅣ（1） is a rare chlorogenic acid ester acylated on the C-23 of hederagenin.LonimacranthoideⅣis a new sulfated triterpenoid saponin.The structures of the saponins were established by chemical and spectral methods.展开更多
基金supported by the National Key Technologies R&D Program of China during the 11th Five-Year Plan Period(No2009ZX09103-397)
文摘Two new triterpenoid saponins named lonimacranthoideⅣ（1） and lonimacranthoideⅤ（2） were isolated from the flower buds of Lonicera macranthoides Hand.-Mazz.（Caprifoliaceae）.They have hederagenin as aglycone.LonimacranthoideⅣ（1） is a rare chlorogenic acid ester acylated on the C-23 of hederagenin.LonimacranthoideⅣis a new sulfated triterpenoid saponin.The structures of the saponins were established by chemical and spectral methods.
