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Molecules 2014, 19(5), 6727-6736; doi:10.3390/molecules19056727
Article

Four New Flavonol Glycosides from the Leaves of Brugmansia suaveolens

1,* , 2, 3, 4, 3, 5 and 1
Received: 31 March 2014 / Revised: 16 May 2014 / Accepted: 19 May 2014 / Published: 22 May 2014
(This article belongs to the Section Metabolites)
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Abstract

Four new flavonol glycosides were isolated from the leaves of Brugmansia suaveolens: kaempferol 3-O-β-D-glucopyranosyl-(1'''→2'')-O-α-L-arabinopyranoside (1), kaempferol 3-O-β-D-glucopyranosyl-(1'''→2'')-O-α-L-arabinopyranoside-7-O-į-D-gluco-pyranoside (2), kaempferol 3-O-β-D-[6'''-O-(E-caffeoyl)]-glucopyranosyl-(1'''→2'')-O-α-l-arabinopyranoside-7-O-β-D-glucopyranoside (3), and kaempferol 3-O-β-D-[2'''-O-(E-caffeoyl)]-glucopyranosyl-(1'''→2'')-O-α-l-arabinopyranoside-7-O-β-D-glucopyranoside (4). The structure elucidation was performed by MS, 1D and 2D NMR analyses.
Keywords: Brugmansia suaveolens; Solanaceae; acylated kaempferol glycosides Brugmansia suaveolens; Solanaceae; acylated kaempferol glycosides
This is an open access article distributed under the Creative Commons Attribution License which permits unrestricted use, distribution, and reproduction in any medium, provided the original work is properly cited.

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Geller, F.; Murillo, R.; Steinhauser, L.; Heinzmann, B.; Albert, K.; Merfort, I.; Laufer, S. Four New Flavonol Glycosides from the Leaves of Brugmansia suaveolens. Molecules 2014, 19, 6727-6736.

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