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2011•Chemical and Pharmaceutical BulletinOpen access

Two New Flavone C-Glycosides from Trollius ledebourii

Lizhen Wu, Haifeng Wu, Xudong Xu, Jun‐Shan Yang

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Abstract

Two new flavone C-glycosides, trollisin A (1) and trollisin B (2), along with seven known flavonoids, isoswertisin (3), isoswertiajaponin (4), orientin (5), 2″-O-β-L-galactopyranosylvitexin (6), 2″-O-β-L-galactopyranosylorientin (7), neodiosmin (8) and acacetin-7-O-neohesperidoside (9) were isolated from the flowers of Trollius ledebourii REICHB. The structures of the new compounds were elucidated based on spectral analysis, including MS, 1D- and 2D-NMR experimentation.

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What this paper is about

Two new flavone C-glycosides, trollisin A (1) and trollisin B (2), along with seven known flavonoids, isoswertisin (3), isoswertiajaponin (4), orientin (5), 2″-O-β-L-galactopyranosylvitexin (6), 2″-O-β-L-galactopyranosylorientin (7), neodiosmin (8) and acacetin-7-O-neohesperidoside (9) were isolated from the flowers of Trollius ledebourii REICHB. The structures of the new compounds were elucidated based on spectral analysis, including MS, 1D- and 2D-NMR experimentation.

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Available abstract

Two new flavone C-glycosides, trollisin A (1) and trollisin B (2), along with seven known flavonoids, isoswertisin (3), isoswertiajaponin (4), orientin (5), 2″-O-β-L-galactopyranosylvitexin (6), 2″-O-β-L-galactopyranosylorientin (7), neodiosmin (8) and acacetin-7-O-neohesperidoside (9) were isolated from the flowers of Trollius ledebourii REICHB. The structures of the new compounds were elucidated based on spectral analysis, including MS, 1D- and 2D-NMR experimentation.

Key concepts: Chemistry, Orientin, Acacetin, Glycoside, Vitexin, Stereochemistry, Ranunculaceae, Spectral analysis

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