Original Communications - Iridoid Glucosides from Turkish Phlomis tuberosa

Ihsan Calis, Hasan Kirmizibekmez, Tayfun Ersoz, Ali A. Dönmez, Charlotte Held Gotfredsen, Søren Rosendal Jensen

Research output: Contribution to journalJournal articleResearchpeer-review

Abstract

From the aerial parts of Phlomis tuberosa a new iridoid glucoside, chlorotuberoside was isolated together with five known iridoid glucosides, lamalbide, shanzhiside methyl ester, 7-epi-phlomiol (= phloyoside I), sesamoside and 5-deoxysesamoside. Two known phenylethanoid glycosides, forsythoside B, and decaffeoylacteoside and three known neolignan glycosides, dehydrodiconiferyl alcohol 9'-O-beta-D-glucopyranoside, dihydrodehydrodiconiferyl alcohol 9-O-beta-D-glucopyranoside and dihydrodehydrodiconiferyl alcohol 9'-O-beta-D-glucopyranoside, one flavone glycoside, luteolin 7-O-beta-D-glucopyranoside, as well as b-sitosterol 3-O-beta-D-glucopyranoside and 1-methyl-O-beta-D-glucopyranoside were also obtained and characterized. The structures were elucidated on the basis of spectroscopic data. The three known phenylethanoid glycosides, verbascoside, leucosceptoside A and martynoside were identified by TLC comparison with authentic compounds.
Original languageEnglish
JournalZeitschrift fuer Naturforschung B: A Journal of Chemical Sciences
Volume60
Issue number12
Pages (from-to)1295-1298
ISSN0932-0776
Publication statusPublished - 2005

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