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Three new compounds, namely (+)-pranferol (1), antiarone M (2), and anticerol A (3), together with 9 known compounds, were obtained from the bark of Antiaris toxicaria. Their chemical structures were elucidated on the basis of spectroscopic methods including UV, IR, (HR) ESI–MS, 1H, 13C NMR, HSQC, 1H-1H COSY, HMBC and X-ray crystallographic technique. The absolute configurations of compounds 1 and...
Five new cardiac glycosides (1–5, namely antiaroside Y-ZC) together with 19 known compounds were obtained from the bark of Antiaris toxicaria. Their chemical structures were determined by IR, HR-ESI-MS, 1D and 2D NMR (HSQC, 1H–1H COSY, HMBC, ROESY). The absolute configuration of sugar unit was defined by acid hydrolysis and appropriate derivatization. Compound 1 was rare 5β-H-10β-H-19-nor-cardenolide,...
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