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Open AccessArticle

Four New Flavonol Glycosides from the Leaves of Brugmansia suaveolens

1
Department of Pharmaceutical/Medicinal Chemistry, University of Tübingen, Tübingen 72076, Germany
2
Escuela de Quimica and CIPRONA, University of Costa Rica, San José 2060, Costa Rica
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Department of Organic Chemistry, University of Tübingen, Tübingen 72076, Germany
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Department of Industrial Pharmacy, Federal University of Santa Maria, Santa Maria 97105-900, Brazil
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Department of Pharmaceutical Biology and Biotechnology, University of Freiburg, Freiburg im Breisgau 79104, Germany
*
Author to whom correspondence should be addressed.
Molecules 2014, 19(5), 6727-6736; https://doi.org/10.3390/molecules19056727
Received: 31 March 2014 / Revised: 16 May 2014 / Accepted: 19 May 2014 / Published: 22 May 2014
(This article belongs to the Section Natural Products Chemistry)
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. View Full-Text
Keywords: Brugmansia suaveolens; Solanaceae; acylated kaempferol glycosides Brugmansia suaveolens; Solanaceae; acylated kaempferol glycosides
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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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