C-glycosylflavones from the leaves of Iris tectorum Maxim

C-glycosylflavones from the leaves of Iris tectorum Maxim

A new C-glycosylflavone, 5-hydroxyl-4′,7-dimethoxyflavone-6-C-[O-(α-l-3′′′-acetylrhamnopyranosyl)-1→2-β-d-glucopyranoside] (1), along with five known C-glycosylflavones, 5-hydroxy-4′,7-dimethoxyflavone-6-C-[O-(α-l-2′′′-acetylrhamnopyranosyl)-1→2-β-d-glucopyranoside] (2), embinin (3), embigenin (4),...

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Bibliographic Details
Published in:Acta pharmaceutica Sinica. B Vol. 2; no. 6; pp. 598 - 601
Main Authors: Ma, Yuhan, Li, Huan, Lin, Binbin, Wang, Guokai, Qin, Minjian
Format: Journal Article
Language:English
Published: Elsevier 01-12-2012
Subjects:
C-glycosylflavones
Cytotoxic activities
Iridaceae
Iris tectorum
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Summary:A new C-glycosylflavone, 5-hydroxyl-4′,7-dimethoxyflavone-6-C-[O-(α-l-3′′′-acetylrhamnopyranosyl)-1→2-β-d-glucopyranoside] (1), along with five known C-glycosylflavones, 5-hydroxy-4′,7-dimethoxyflavone-6-C-[O-(α-l-2′′′-acetylrhamnopyranosyl)-1→2-β-d-glucopyranoside] (2), embinin (3), embigenin (4), swertisin (5) and swertiajaponin (6) were isolated from the leaves of Iris tectorum Maxim. Their structures were elucidated on the basis of extensive NMR experiments and spectral methods and their cytotoxic activities against A549 (lung cancer) human cell lines were determined.
ISSN:2211-3835
2211-3843
DOI:10.1016/j.apsb.2012.10.007