抄録
Nine kinds of constituents, named Sub I, II, III, IV, V, VI, VII, VIII and IX were isolated from MeOH extractives of"Dotuusoo, "Galeolae fructus, Orchidaceae. Three new compounds, Sub IV, V and VI were characterized as 1-[4-(β-D-glucopyranosyloxy) benzyl] (S)-(-)-2-isopropylmalic acid metallic salt, bis [4-[β-D-glucopyranosyloxy) benzyl] (S)-(-)-2-isopropylmalate and 4-methyl ester of Sub IV respectively, together with three known compounds p-hydroxybenzyl methyl ether (Sub I), 4-(β-D-glucopyranosyloxy)-benzyl alcohol (Sub II) and (S)-(-)-2-isopropylmalic acid metallic salt (Sub III).
