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Chemistry Letters
Vol. 38 (2009) No. 5 P 440-441

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http://doi.org/10.1246/cl.2009.440

Letter

Two new geranyl bearing polyisoprenylated benzoylphloroglucinol derivatives, hypersampsone G (1) and hypersampsone H (2) were isolated from the fruit of Hypericum sampsonii. Their structures were determined on the basis of spectroscopic data and the structure of 1 was confirmed by X-ray crystallographic analysis. Antitumor activities on A549 human cancer cells of the two compounds were tested.

Copyright © 2009 The Chemical Society of Japan

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