A new triterpenoid glycoside from the roots of Ilex asprella / 中国天然药物

AIM@#To study the chemical constituents of the roots of Ilex asprella Champ. ex Benth.@*METHODS@#Compounds were isolated by silica gel, ODS, and Sephadex LH-20 column chromatography, and their structures were elucidated on the basis of physicochemical properties and spectroscopic analysis.@*RESULTS@#Four triterpenoid glycosides were isolated and identified as (3β)-19-hydroxy-28-oxours-12-en-3-yl β-D-glucopyranosiduronic acid n-butyl ester (1), ilexasoside A (2), monepaloside F (3), and ilexoside A (4).@*CONCLUSION@#Compound 1 is a new triterpenoid glycoside, and compounds 3 and 4 were isolated from this plant for the first time.