Monatshefte fur Chemie p. 1219 - 1222 (1986)
Update date:2022-08-10
Topics:
Hofer, Otmar
Szabo, Geza
Greger, Harald
The isolation of (E)-2-hydroxy-4-methoxycinnamic acid (1) from Artemisia dracunculus L. supports strongly the assumption that this compound is an intermediate in the biosynthesis of 7-methoxycoumarin (herniarin, 3).The structure of the UV-unstable compound 1 was derived from 1H-NMR data and by comparison of the stable dimethylated derivative with synthetic (E)-2,4-dimethoxycinnamic acid methyl ester (2). - Keywords: Coumarins; Biosynthesis; Herniarin; Artemisia dracunculus; Compositae
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