J Integr Plant Biol. ›› 2005, Vol. 47 ›› Issue (8): -.DOI: 10.1111/j.1744-7909.2005.00080.x

• Research Articles •    

A New Stilbene from Cercis chinensis Bunge

Yuan LI, Dong-Ming ZHANG ,Shi-Shan YU   

Abstract: To study new natural products, we used ODS (YMC, Kyoto, Japan) and silica gel column chromatography to separate compounds in Cercis chinensis Bunge (Leguminosae). A new stilbene, trans-3, 5, 3'', 4''-tetrahydroxy-4-methylstilbene (1), along with 10 known compounds, namely piceatannol (2), dihydromyricetin (3), catechin (4), dihydrorobinetin (5), menisdaurin (6), lithospermoside (7), teatannin (8), dasycarponin (9),β-sitosterol (10), and daucosterin (11), was isolated from C. chinensis. Their structures were elucidated on the basis of spectroscopic evidence. Compounds 2–6 and 9 were isolated from the genus Cercis Linn. for the first time.

Key words: Cercis chinensis, Leguminosae, trans-3, 5, 3', 4'-tetrahydroxy-4-methylstilbene.

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