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New methylated flavonol glucosides from Fumana montana Pomel
Habiba Laraoui1, Christophe Long, Hamada Haba
1a Laboratoire de Chimie et Chimie de l'Environnement (L.C.C.E), Département de Chimie, Faculté des Sciences , Université de Batna , Batna , 05000 , Algérie.
Natural Product Research
|March 26, 2013
Abstract:
Three new methylated flavonol glucosides: 3-methoxy-7-O-β-(6″-galloylgluco-pyranoside) quercetin (1), 3,4'-dimethoxy-7-O-β-(6″-galloyl-glucopyranoside) quercetin (2) and 3-methoxy-7-O-β-(6″-galloylgluco-pyranoside) kaempferol (3), in addition to six known flavonols, were isolated from the ethyl acetate extract of Fumana montana Pomel. Their structures were assigned by spectroscopic methods.