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, 83 (4), 660-4

Toxicarioside M, a New Cytotoxic 10β-hydroxy-19-nor-cardenolide From Antiaris Toxicaria

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Toxicarioside M, a New Cytotoxic 10β-hydroxy-19-nor-cardenolide From Antiaris Toxicaria

Claire Levrier et al. Fitoterapia.

Abstract

A new 10β-hydroxy-19-nor-cardenolide, named toxicarioside M (1), was isolated from the trunk bark of Antiaris toxicaria (Pers.) Lesch (Moraceae), along with six known cardenolides (convallatoxin (2), convallatoxol (3), convalloside (4), 3-O-ß-D-xylopyranosylstrophanthidin (5), glucostrophanthidin (6) and strophanthidin (7)). Their structures were elucidated on the basis of HR-MS(n) analysis, spectroscopic methods (IR, UV, 1D and 2D NMR) and by comparison with data reported in the literature. The cardenolides were evaluated for their cytotoxic activity against KB, HCT-116, SF-268, MCF-7, HL-60, PC-3 and MRC-5 cell lines.

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