[Chemical constituents from leaves of Boehmeria nivea].
OBJECTIVE
To study the chemical constituents from the leaves of Boehmeria nivea.


METHODS
The leaves were extracted by 95% EtOH at room temprature, the chemical leaves were isolated and purified by repeated silica gel column chromatography, Sephadex LH-20 column chromatography and semipreparative HPLC, and their structures were identified by physical and chemical properties and spectroscpoic methods.


RESULTS
One compound isolated from n-butanol fraction, four compounds were obtained from ethyl acetate fraction and three compounds from petroleum ether fraction. Their structures were elucidated as kiwiionoside (1), eugenyl beta-rutinoside (2), uracil (3), beta-sitosterol glucoside (4), 3-hydroxy-4-methoxy-benzoic acid (5), cholesterol (6), alpha-amyrin (7). nonacosanol (8).


CONCLUSIONS
Compounds 1-3, 5-8 were isolated from the genus Boehmeria for the first time.
Liu
Chuang
C
Hubei Key Laboratory of Natural Products Research and Development, China Three Gorges University, Yichang 443002, China. chliu66@163.com
Zou
Kun
K
Guo
Zhiyong
Z
Zhao
Yuying
Y
Cheng
Fan
F
Zhang
Hongqi
H
D032402:Boehmeria / Q000737:chemistry*; D010936:Plant Extracts / Q000032:analysis* / Q000302:isolation & purification; D018515:Plant Leaves / Q000737:chemistry
D010936:Plant Extracts