Abstract
The present study investigated the chemical constituents from the stems of Buddleja lindleyana. Ten compounds were isolated from the 95% EtOH extract of B. lindleyana stems by means of some techniques including polyamide, silica gel, MCI, Sephadex LH-20 column chromatography, and semi-preparative high-performance liquid chromatography(HPLC). Their structures were identified by spectral analysis and single-crystal X-ray diffraction as buddledin F(1), 6-O-4″-hydroxy-3″-methoxy-benzoyl ajugol(2), negundoin G(3),(+)-dihydrocubebin(4), 7-O-ethylguaiacylglycerol(5),(-)-jatrointelignan B(6), threo-1,2-bis-(4-hydroxy-3-methoxyphenyl)-propane-1,3-diol(7), vomifoliol(8), hinokinin(9), and isovanillic acid(10). Compound 1 was a new sesquiterpene named buddledin F. Compounds 3-8 were isolated from the Buddleja plant for the first time. The anti-inflammatory activities of compounds 1-10 in vitro were investigated, and the results failed to show the inhibitory activities of these compounds on the production of inflammatory factor NO.
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Schedule a callMore From: Zhongguo Zhong yao za zhi = Zhongguo zhongyao zazhi = China journal of Chinese materia medica
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