Flavone C-glycosides from flowers of Trollius ledebouri
2005
Zou, J.H. | Yang, J.S. | Dong, Y.S. | Zhou, L. | Lin, G.
The ethanol extract of the flowers of Trollius ledebouri yielded four flavone C-glycosides, 2"-O-vanilloylvitexin, 2"-O-feruloylorientin, 2"-O-beta-L-galactopyranosylvitexin, and 2"-O-beta-L-galactopyranosylorientin, along with known compounds, 6"-O-acetylorientin, 2"-O-(4'"-hydroxybenzoyl)vitexin, vitexin, and orientin. Their structures were elucidated by means of UV, IR, MS and NMR spectroscopic analyses.
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