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Molecules 2010, 15(4), 2593-2599; doi:10.3390/molecules15042593

A New Sulfated α-Ionone Glycoside from Sonchus erzincanicus Matthews

1,* , 1
1 Department of Pharmacognosy, Faculty of Pharmacy, Atatürk University, 25240 Erzurum, Turkey 2 Department of Chemistry, Faculty of Sciences, Atatürk University, 25240 Erzurum, Turkey 3 Department of Biology, Faculty of Education, Erzincan University, 24030 Erzincan, Turkey 4 Department of Pharmacognosy, Faculty of Pharmacy, Hacettepe University, 06100 Sıhhıye, Ankara, Turkey Present address: Department of Pharmacognosy and Pharmaceutical Botany, Faculty of Pharmacy, Near East University, Nicosia, North Cyprus, Turkey.
* Author to whom correspondence should be addressed.
Received: 13 March 2010 / Accepted: 22 March 2010 / Published: 12 April 2010
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Sonchus erzincanicus (Asteraceae) is an endemic species in Turkey, where six Sonchus species grow. In this study, a phytochemical study was performed on the aerial parts of the plant. The study describes the isolation and structure elucidation of five flavonoids and two a-ionone glycosides from S. erzincanicus. The compounds were isolated using several and repeated chromatographic techniques from ethyl acetate and aqueous phases that were partitioned from a methanol extract obtained from the plant. 5,7,3',4'-Tetrahydroxy-3-methoxyflavone (1) and quercetin 3-O-β-D-glucoside (2) were isolated from the ethyl acetate phase, while corchoionoside C 6’-O-sulfate (3), corchoionoside C (4), luteolin 7-O-glucuronide (5) and luteolin 7-O-β-D-glucoside (6), apigenin 7-O-glucuronide (7) were isolated from the aqueous phase. Corchoionoside C 6’-O-sulfate (3), isolated for the first time from a natural source, was a new compound. The structures of the compounds were elucidated by means of 1H-NMR, 13C-NMR, 2D-NMR (COSY, HMQC, HMBC) and ESI-MS.
Keywords: asteraceae;flavonoids; α-ionone glycoside; Sonchus erzincanicus asteraceae; flavonoids; α-ionone glycoside; Sonchus erzincanicus
This is an open access article distributed under the Creative Commons Attribution License (CC BY 3.0).

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Ozgen, U.; Sevindik, H.; Kazaz, C.; Yigit, D.; Kandemir, A.; Secen, H.; Calis, I. A New Sulfated α-Ionone Glycoside from Sonchus erzincanicus Matthews. Molecules 2010, 15, 2593-2599.

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