Isolation and Structure Elucidation of Uncommon Secondary Metabolites from Cistus salviifolius L

To our knowledge this is the first report on the isolation of a flavonoid glycoside: quercetin 3-O-α-arabinopyranoside (5), two phenylbutanon glycosides: 4-(4'-O-[6''-O-galloyl-β-galactopyranosyl]-3'-hydroxyphenyl)-butan-2-on (8), 4-(3'-O-β-glucopyranosyl-4'-hydroxyphen...

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Bibliographic Details
Published inRecords of natural products Vol. 9; no. 2; p. 175
Main Authors Gürbüz, Perihan, Lütfiye Ömür Demirezer, Güvenalp, Zühal, Kuruüzüm-Uz, Ayse, Kazaz, Cavit
Format Journal Article
LanguageEnglish
Published Gebze ACG Publications 01.01.2015
Subjects
Chromatography
Flavonoids
Metabolites
Pharmacy
Steroids
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Summary:To our knowledge this is the first report on the isolation of a flavonoid glycoside: quercetin 3-O-α-arabinopyranoside (5), two phenylbutanon glycosides: 4-(4'-O-[6''-O-galloyl-β-galactopyranosyl]-3'-hydroxyphenyl)-butan-2-on (8), 4-(3'-O-β-glucopyranosyl-4'-hydroxyphenyl)-butan-2-on (9), one phloroglucinol glycoside: 1-O-β-glucopyranosyl-3,5-dimethoxybenzene (10) and a steroid glycoside: sitosterol-3-O-(6''-O-butanoyl)-β-galactopyranoside (14) from the Cistus species (Cistaceae). Additional to these compounds three flavonol aglycones: kaempferol (1), quercetin (2), myricetin (3); three flavonoid glycosides; kaempferol 3-O-β-(6''-O-trans-p-coumaroyl)-glucopyranoside (4), quercetin 3-O-β-galactopyranoside (6), myricetin 3-O-β-galactopyranoside (7); one phloroglucinol glycoside: 1-O-β-glucopyranosyl-3,5-dimethoxybenzene (11); one steroid aglycone: β-sitosterol (12); one steroid glycoside: Sitosterol-3-O- β-glucopyranoside (13) were isolated from the aerial parts of the Cistus salviifolius L.. Their structures were identified using spectral methods (UV, IR, 1D- and 2D-NMR, and ESI-MS).
ISSN:1307-6167