[Chemical Constituents from Drypetes hainanensis Stems and Leaves].
Atslēgvārdi
Abstrakts
OBJECTIVE
To study the chemical constituents from the stems and leaves in Drypetes hainanensis.
METHODS
The constituents were isolated and purified by various chromatography, and the structures were identified by extensive spectral analysis.
RESULTS
Eleven compounds were isolated and identified as syringaresinol-4-O-glycoside (1), koaburaside (2), abietin (3) syringin (4), kelampayoside A (5), 7,7'-bis-(4-hydroxy-3,5-dimethoxyphenyl)-8,8'-dihydroxymethyl-tetrahydrofuran-4-O-β-glucopyranoside (6), amentoflavone (7), 3,4,5-trimethoxyphenyl-β-D-glucopyranoside (8),1,4-di-O-methyl-myo-inositol (9), glycerol (10) and succinic acid (11).
CONCLUSIONS
All the compounds are isolated from this plant for the first time.