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Ionone, Iridoid and Phenylethanoid Glycosides from Ajuga salicifolia

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Ionone, Iridoid and Phenylethanoid Glycosides from Ajuga salicifolia

Pınar Akbay

a

, I˙hsan C

alıs¸

b

, Jörg Heilmann

a

, and Otto Sticher

a,*

a Department of Applied BioSciences, Institute of Pharmaceutical Sciences, Swiss Federal Institute of Technology (ETH) Zurich, CH-8057 Zürich. Fax: +41-1-6 35 68 82.

E-mail: sticher@pharma.anbi.ethz.ch

b Department of Pharmacognosy, Faculty of Pharmacy, Hacettepe University, TR-06100 Ankara

* Author for correspondence and reprint request

Z. Naturforsch.58 c, 177Ð180 (2003); received September 5/October 7, 2002

From the aerial parts of Ajuga salicifolia(L.) Schreber, a new ionone glycoside (3β-hy- droxy-7,8-dihydro-4-oxo-β-ionol-9-O-β-d-glucopyranoside) was isolated, along with the known compounds, corchoionoside C, 8-O-acetylmioporoside, ajugol, harpagide, 8-O-acetyl- harpagide, lavandulifolioside and leonosides A and B. This is the first report of the occur- rence of ionone glycosides and 8-O-acetylmioporoside inAjugaspecies. Ajugol, lavanduli- folioside, leonoside A and B were isolated for the first time from Ajuga salicifolia. The structures were elucidated by means of 1D-, 2D-NMR spectroscopy, and HR-MALDI mass spectrometry.

Key words: Ajuga salicifolia, Lamiaceae, Ionone Glycosides

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