The structure elucidation of three metabolites herniarin (7-methoxy-2H-chromen-2-one, 1), phytoalexin (5-acetyl-6-hydroxy-2-(1-hydroxy-1-methylethyl)benzofuran, 2), and prestragol (3-(4'-methoxyphenyl)-prop-1,2-diol, 3) isolated from Artemisia dracunculus was determined on the basis of 1D, 2D NMR methods and by an X-ray crystallographic determination.
Alkamides from Artemisia dracunculus.-Neopellitorine A (Ib) and B (II) are identified for the first time, whereas the known pellitorine (Ia) is detected for the first time in an Artemisia species. Tests for insecticidal effects reveal that all three components are highly active.-(SAADALI,
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