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A new tyramine derivative, glycosamide A (1), together with two known amide alkaloids, N-benzoyltyramine methyl ether (2) and aurantiamide acetate (3), was isolated from the branches and leaves of Glycosmis… Click to show full abstract
A new tyramine derivative, glycosamide A (1), together with two known amide alkaloids, N-benzoyltyramine methyl ether (2) and aurantiamide acetate (3), was isolated from the branches and leaves of Glycosmis craibii Tanaka. Their structures were elucidated through extensive 1D and 2D NMR and HR-ESI-MS spectroscopic analyses. All known compounds were isolated from the genus Glycosmis for the first time. Furthermore, the antiproliferative activities of all isolated alkaloids in vitro were evaluated. Compound 2 displayed weak antiproliferative activities against five human cancer cell lines, HL-60, SMMC-7721, A-549, MCF-7, and SW480.
Journal Title: Chemistry of Natural Compounds
Year Published: 2021
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