Five naphthalene glycosides from the roots of Rumex patientia.
Three novel and two known naphthalene glycosides were isolated from the roots of Rumex patientia L. (Polygonaceae). The structures of the new compounds were established, respectively as 2-acetyl-3-methyl-6-carboxy-1,8-dihydroxynaphthalene-8-O-beta-D-glucopyranoside, 4,4"-binaphthalene-8,8"-O,O-di-beta-D-glucopyranoside and 2-acetyl-3-methyl-1,8-dihydroxynaphthalene-8-O-beta-D-glucopyranosyl (1-->3) beta-D-glucopyranoside on the basis of spectral analysis. The other napthalene glycosides were determined as nepodin-8-O-beta-D-glucopyranoside and torachrysone-8-O-beta-D-glucopyranoside by comparison of their spectral data with those previously reported.
Department of Pharmacognosy, Faculty of Pharmacy, Hacettepe University, Ankara, Turkey. omurd@hacettepe.edu.tr
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O
Demirezer
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Kuruüzüm
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Bergere
H J
HJ
Schiewe
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Zeeck
D006027:Glycosides / Q000737:chemistry / Q000302:isolation & purification*; D009682:Magnetic Resonance Spectroscopy; D009281:Naphthalenes / Q000737:chemistry*; D018517:Plant Roots / Q000737:chemistry; D010946:Plants, Medicinal / Q000737:chemistry*; D019664:Polygonaceae / Q000737:chemistry*; D014421:Turkey
D006027:Glycosides; D009281:Naphthalenes