DOIAbstract
Phytochemical investigation of the flowers of Acmella oleracea had resulted in the isolation of one new alkylamide, (2E,5Z)-N-isobutylundeca-2,5-diene-8,10-diynamide (1), together with four known analogues (2-5). The structures of these compounds were determined by the interpretation of spectroscopic methods, especially NMR technologies (COSY, HSQC, HMBC, and NOESY). In addition, a convenient method for concentrating the alkylamide-rich fraction and analyzing fingerprint profile of A. oleracea was established
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