A New Anthraquinone and Two New Tetrahydroanthraquinones from the Roots of Prismatomeris connata

[摘要]：A new anthraquinone, 4-hydroxy-1,2,3-trimethoxy-6-methylanthracene-9,10-dione (1), and two novel tetrahydroanthraquinones, prisconnatanones A and B (2 and 3, resp.), together with 15 known anthraquinones, 4-18, were isolated from the roots of Prismatomeris connata. Their structures were elucidated on the basis of spectroscopic data. Compounds 1-18 were evaluated for their cytotoxicity against A549 and LAC human cancer cell lines. Compound 2 and the anthraquinones with free OH groups exhibited activity against the test cell lines.

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