Further phytochemical investigation of the ethyl acetate extract of the stem of Daphniphyllum oldhamii afforded a new phenolic glucoside, named oldhamioside 1, together with eleven known compounds, koaburaside 2, betu...Further phytochemical investigation of the ethyl acetate extract of the stem of Daphniphyllum oldhamii afforded a new phenolic glucoside, named oldhamioside 1, together with eleven known compounds, koaburaside 2, betulin, 28-hydroxyl-3-lupenone, pineresinol, syringaresinol, 4-O-methyl- cedrusin, narigenin, eriodictyol, apigenin, loureirin C, and asperuloside. The structures of new and known compounds were characterized by detailed spectroscopic analysis and comparison of their spectral data with reported values.展开更多
文摘Further phytochemical investigation of the ethyl acetate extract of the stem of Daphniphyllum oldhamii afforded a new phenolic glucoside, named oldhamioside 1, together with eleven known compounds, koaburaside 2, betulin, 28-hydroxyl-3-lupenone, pineresinol, syringaresinol, 4-O-methyl- cedrusin, narigenin, eriodictyol, apigenin, loureirin C, and asperuloside. The structures of new and known compounds were characterized by detailed spectroscopic analysis and comparison of their spectral data with reported values.