[Chemical constituents of Quercus mongolica Fisch].

OBJECTIVE

To study the chemical constituents of the leaves of Quercus mongolica.

METHODS

Using techniques of silical gel column chromatography and HNMR, 13CNMR.

RESULTS

Four compounds were isolated and identified as friedelin, glutinol, lupeo and beta-sitosterol respectively.

CONCLUSIONS

All the compounds were isolated from this plant for the first time.