Constituents of the Egyptian Centaurea scoparia: 3. Phenolic constituents of the aerial parts
1995
Youssef, D. | Frahm, A.W. (Freiburg Univ. (Germany). Pharmazeutisches Inst.)
The ethanolic extract of the aerial parts of Centaurea scoparia Sieb. (Asteraceae) afforded five polyoxygenated flavones apigenin, luteolin, salvigenin, cirsimaritin, and hispidulin, the two lignans (-)-matairesinol and (-)-arctigenin together with omega-hydroxypropioguaiacone and vanillin. The structure elucidations of the isolated compounds are based on spectroscopic methods including 1D-and 2D-NMR spectra. Some proton and carbon signals are revised or newly reported.
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