J Integr Plant Biol. ›› 1999, Vol. 41 ›› Issue (9): -.

• Research Articles •    

Chemical Constituents of the Roots of Maackia tenuifolia (Leguminosae)

ZENG Jia-Feng and ZHU Da-Yuan   

Abstract: Three new con,pounds (2R,3R)-2' ,4'-dihydroxymaackiaflavanonol (1), maackiaphenone (2), 4-( 1,2-dimethyl-2-propenyl)- 1,3-dihydroxybenzene (3) along with ten known compounds euchrenone a7 (4),maackiaflavanonol (5), 1-medicarpin (6), fomononetin (7), di-O-methyldaidein (8), genistein (9), 7-drimen- 11-ol (10), methyl-3,4, 5-trimethoxycinnamate ( 11 ),β-sitosterol ( 12 ), piceatannol (13), wereisolated from the CH2C12-soluble portion of the ethanolic extract of the roots of Maackia tenuifolia ( Hemsl. )Hand.-Mazz. (keguminosae). Their structures were established by spectroscopic methods. All the compounds except 5, 7 and 8 were isolated from this plant for the first time.

Key words: Maackia tenuifolia, Chemical constituents, Isoflavonoids, Phenolics

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