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Four new flavonol glycosides from the leaves of Brugmansia suaveolens.


ABSTRACT: Four new flavonol glycosides were isolated from the leaves of Brugmansia suaveolens: kaempferol 3-O-?-D-glucopyranosyl-(1'''?2'')-O-?-L-arabinopyranoside (1), kaempferol 3-O-?-D-glucopyranosyl-(1'''?2'')-O-?-L-arabinopyranoside-7-O-?-D-gluco-pyranoside (2), kaempferol 3-O-?-D-[6'''-O-(E-caffeoyl)]-glucopyranosyl-(1'''?2'')-O-?-l-arabinopyranoside-7-O-?-D-glucopyranoside (3), and kaempferol 3-O-?-D-[2'''-O-(E-caffeoyl)]-glucopyranosyl-(1'''?2'')-O-?-l-arabinopyranoside-7-O-?-D-glucopyranoside (4). The structure elucidation was performed by MS, 1D and 2D NMR analyses.

SUBMITTER: Geller F 

PROVIDER: S-EPMC6271595 | biostudies-literature | 2014 May

REPOSITORIES: biostudies-literature

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Four new flavonol glycosides from the leaves of Brugmansia suaveolens.

Geller Fabiana F   Murillo Renato R   Steinhauser Lisa L   Heinzmann Berta B   Albert Klaus K   Merfort Irmgard I   Laufer Stefan S  

Molecules (Basel, Switzerland) 20140522 5


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)  ...[more]

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