Abstract

Five new amide alkaloids, N-(4-hydroxyphenethyl)octacosanamide (1), N-(4-hydroxyphenethyl)hexacosanamide (2), N-(4-hydroxyphenethyl)decanamide (3), N-vanilloyltyramine (4), and N-[O-docosanoylvanilloyl]tyramine (5), were isolated from Fagara macrophylla, together with 15 known compounds. Their structures were established by using spectroscopic techniques, chemical reactions, and comparison with previously known analogues. A cytotoxicity assay was performed with the isolates, in which compounds 4, 8, and 9 were found to possess moderate to weak activity, with IC(50) values of 30.5, 11.5, and 13.5 microg/mL, respectively.

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