[A new dicoumarin from stem bark of Wikstroemia indica].

OBJECTIVE

To study the chemical constituents form stem bark of Wikstroemia indica.

METHODS

The constituents were isolated by column chromatography on silica gel and ODS, and identified by spectroscopic methods.

RESULTS

Seven compounds, daphnoretin (I), tricin (II), daucosterol (III), beta-sitosterol (IV), umbelliferone (V), genkwanin (VI), and 6'-hydroxy, 7-O-7'-dicoumarin (VII), were isolated and identified.

CONCLUSIONS

Compound VII was a new compound and compounds III, V were isolated from this plant for the first time.