A New Natural Compound with Cytotoxic Activity from Tripterygium hypoglaucum

LI Wei; WANG Fang; ZHAO Yu-qing; LI Wei; WANG Fang; ZHAO Yu-qing

Archive > Volume 3 Issue 3 > 2011,3(3):232-234. DOI:10.3969/j.issn.1674-6384.2011.03.011 Prev Next

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A New Natural Compound with Cytotoxic Activity from Tripterygium hypoglaucum

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Abstract:

Objective To find antitumor constituents from Tripterygium hypoglaucum. Methods The chloroform extract of T. hypoglaucum was separated by silica gel column chromatography and preparative HPLC. The structures of compounds isolated were identified by spectral analysis and chemical evidence. Results Seven compounds were isolated and identified as rhein ethyl ester (1), chrysophenol (2), physcion (3), emodin (4), wilfordine (5), wilforgine (6), and wilforine (7). The cytotoxic activities of the compounds against cancer cell lines were assayed. Conclusion Compound 1 is a new natural compound with strong activities against human cancer cell lines (A2780 and OVCAR-3). Compounds 2－4 are isolated from this genus plants for the first time. The possible structure-activity relationship among compounds 1－4 shows that the methoxy group or oxyethyl moiety might be responsible for the cytotoxity.

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E&T Modern Center for Natural Products of Liaoning Province of China (2008402021)

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