Abstract
The phytochemical investigation on the leaves and twigs of Zanthoxylum dimorphophyllum Hemsl led to the isolation of a new compound 7-(4′R-hydroxy-3′,7′-dimethyl-2′E,6′-octadienyloxy) coumarin (1) and fourteen known compounds, including nine coumarins (2–10), one alkaloid (11), three lignans (12–14) and one flavone (15). Their structures were elucidated based on extensive spectroscopic methods (NMR, MS, UV, IR and ECD experiments) and comparison with literature data. The chemotaxonomic significance of the isolated compounds has also been discussed.
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