[长松萝草本植物化学成分的研究]
[Studies on chemical constituents from herbs of Usnea longissima].
作者信息
Feng Jie, Yang Xiuwei, Su Siduo, He Chuan
机构信息
State Key Laboratory of Natural and Biomimetic Drugs, Peking University, Beijing 100191, China.
出版信息
Zhongguo Zhong Yao Za Zhi. 2009 Mar;34(6):708-11.
OBJECTIVE
To study the chemical constituents of Usnea longissima.
METHOD
The compounds were isolated and purified by the methods of solvent extraction and chromatographic technique, and their structures were identified on the basis of the analysis of spectral data or comparison with those of authentic sample.
RESULT
Thirteen compounds were obtained and identified as ethyl hematommate (1), friedelin (2), beta-amyrin (3), beta-sitosterol (4), methyl-2,4-dihydroxy-3,6-dimethylbenzoate (5), barbatinic acid (6), zeorin (7), ethyl orsellinate (8), 3beta-hydroxy-glutin-5-ene (9), oleanolic acid (10), (+)-usnic acid (11), methylorsellinate (12), and 4-methyl-2,6-dihydroxy-benzaldehyde (13).
CONCLUSION
Compounds 2, 3, 5, and 8-10 were isolated from this genus for the first time, and compounds 1,4 were obtained from this plant for the first time.
目的
研究长松萝的化学成分。
方法
采用溶剂萃取和色谱技术等方法对化合物进行分离纯化，并通过光谱数据分析或与标准品对照鉴定其结构。
结果
得到13个化合物，分别鉴定为血竭素乙酯（1）、木栓酮（2）、β-香树脂醇（3）、β-谷甾醇（4）、2,4-二羟基-3,6-二甲基苯甲酸甲酯（5）、巴巴亭酸（6）、扁枝衣素（7）、苔色酸乙酯（8）、3β-羟基-羽扇-5-烯（9）、齐墩果酸（10）、（+）-松萝酸（11）、苔色酸甲酯（12）和4-甲基-2,6-二羟基苯甲醛（13）。
结论
化合物2、3、5和8 - 10首次从该属植物中分离得到，化合物1、4首次从该植物中获得。
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