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A new cytotoxic cardenolide from the latex of Antiaris toxicaria

【摘要】:正A new cardenolide,toxicarioside E(1),was isolated from the latex ofAntiaris toxicaria(Pers.) Lesch(Moraceae).Its structure was elucidated on the basis of spectral data and chemical evidence.Compound 1 showed significant cytotoxicity against K562 and SGC-7901 cell lines in vitro by MTT method with the IC_(50) value of 0.026 and 0.027μg/mL,respectively.

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