[Chemical constituents of pattra medicine Euodia lepta].

Objective: To study the chemical constituents of Pattra Medicine Euodia lepta in Xishuangbanna of Yunnan Province.

Methods: The chemical constituents were isolated and purified by chromatographic techniques, and identified by NMR, MS and other spectral methods.

Results: In 60% ethanol extract from the stems,and 95% ethanol extract from the leaves, six compounds and two compounds were isolated and identified as pachypodol( 1) ,3-(3-methyl-but-2-enyl )umbelliferone(2),7-demethylsuberosin (3),beta-sitosterol (4),3,7-dimethoxy kaempferol(5), euolitrine(6), sesamin(7) and p-O-geranyl coumaric acid(8), respectively.

Conclusion: Compound 7 is obtained from Euodia genus for the first time,and compound 8 is obtained from domestic Euodia lepta for the first time.