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• Ozgen, U
• Sevindik, H
• Kazaz, C
• Yigit, D
• Kandemir, A
• Secen, H
• Calis, I
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• Ozgen, U
• Sevindik, H
• Kazaz, C
• Yigit, D
• Kandemir, A
• Secen, H
• Calis, I
• [+] on PubMed
• Ozgen, U
• Sevindik, H
• Kazaz, C
• Yigit, D
• Kandemir, A
• Secen, H
• Calis, I

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

Article

A New Sulfated α-Ionone Glycoside from Sonchus erzincanicus Matthews

Ufuk Ozgen ^1,* , Handan Sevindik ¹ , Cavit Kazaz ² , Demet Yigit ³ , Ali Kandemir ³ , Hasan Secen ²  and Ihsan Calis ^4,

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

Download PDF Full-Text [245 KB, uploaded 12 April 2010 10:34 CEST]

Abstract: 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

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