Triterpenoid glycosides from Schefflera lucantha
1994
Pancharoen, O. | Tuntiwachquttikul, P. | Taylor, W.C. | Picker, K.
Three new triterpenoid glycosides were isolated from the leaves of Schefflera lucantha Viguier. Based on the spectroscopic data, especially 2D NMR, the structures of glycosides have been established as 3-O-[(alpha-L-rhamnopyranosyl (1 leads to 2)-beta-D-glucopyranosyl (1 leads to 2)-beta-D-glucuronopyranosyl] betulinic acid, 3-O-[alpha-L-rhamnopyranosyl (1 leads to 2)-beta-D-xylopyranosyl(1 leads to 2)-beta-D-glucuronopyranosyl] betulinic acid and 3-O-[alpha-L-rhamnopyranosyl(1 leads to 2)-beta-D-glucopyranosyl (1 leads to 2)-beta-D-glucuronopyranosyl]oleanolic acid.
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