Flavonoids from Haplophyllum pedicellatum, H. robustum AND H. glabrinum |
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| Authors: | A Ulubelen S Öksüz B Halfon Y Aynehchi TJ Mabry SA Matlin |
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| Institution: | 5. Faculty of Pharmacy, University of Istanbul, Istanbul, Turkey;1. Department of Chemistry, Bosphorous University, Istanbul, Turkey;2. Faculty of Pharmacy, University of Tehran, Tehran, Iran;3. Department of Botany, University of Texas, Austin, Texas, U.S.A.;4. Department of Chemistry, The City University, London, England |
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| Abstract: | Haplophyllum pedicellatum, H. robustum and H. glabrinum all yielded the known compound gossypetin 8,3′-dimethyl ether 3-rutinoside. In addition the first two species afforded isorhamnetin and its 3-rutinoside. A new glycoside, gossypetin 8,3′-dimethyl ether 3-glucoside was obtained from H. pedicellatum together with the 3-malonylrutinoside, 3-malonylglucoside and 3-galactoside of isorhamnetin plus kaempferol 3-malonylglucoside. H. robustum yielded isorhamnetin 7-glucoside and 3-glucoside and quercetin 3-galactoside, while H. glabrinum was found to contain gossypetin 8-methyl ether 3-malonylrutinoside in addition to kaempferol and isorhamnetin 3-glucoside. |
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| Keywords: | Rutaceae acylated flavonoids gossypetin glycosides isorhamnetin glycosides quercetin glycosides |
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