| Popis: |
A new flavanone, euchrenone a 1 7 (1), along with eighteen known compounds, glabrol (2), euchrenone a 2 (3), formononetin (4), 7-methoxy-2',4'-dihydroxyisoflavone (5), 3-(3,4-dimethoxy-phenyl)-7,8-dihydroxy-chromon-4-one (6), 5,7,2'-trihydroxy-4'-methoxyisoflavone (7), 2'-hydroxygenistein (8), euchrenone b 1 (9), euchrenone b2 (10), euchrenone b 1 6 (11), vanillin (12), p-hydroxybenzoic acid (13), medicagol (14), octadecyl ferulate (15), (+)-syringaresinol (16), β-sitosteryl-D-glucoside (17), and a mixture of β-sitosterol (18) and stigmasterol (19), were isolated from the methanolic extracts of the roots of Euchresta formosana. The structures of these compounds were established by means of spectral analysis. |
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