Abstract
A novel C-glycosylflavone with unusual α-orientation at the anomeric center of d-glucose was isolated from the leaves of Diospyros kaki. Its structure was determined as 8-C-[α-l-rhamnopyranosyl-(1 → 4)]-α-d-glucopyranosylapigenin by chemical methods and spectral experiments.
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Acknowledgement
This work was financially supported by Young Teacher Grant from Beijing University of Chemical Technology (QN0615).