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The Pharmaceutical Society of Korea (대한약학회)
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Flavonoids from Iris spuria (Zeal) Cultivated in Egypt

  • Published : 2004.01.01
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Abstract

A new 12a-dehydrorotenoid 1, 11-dihydroxy-9, 10-methylenedioxy-12a-dehydrorotenoid (1), together with a new isoflavonoid glycoside tectorigenin-7-O-${\beta}$-glucosyl-4'-O-${\beta}$-glucoside (3), were isolated and identified from the rhizomes of I. spuria (Zeal). In addition, 4 known compounds, tectorigenin (2) tectorigenin-7-O-${\beta}$-glucosyl $(1{\leftrightarrow}6)$ glucoside (4), tectoridin (a tectorigenin- 7-O-${\beta}$-glucoside) (5) and tectorigenin-4'-O-${\beta}$-glucoside (6) were isolated and identified for the first time from this plant. The structures of the isolated compounds were determined by spectroscopic methods (UV, IR, $^1H,\;^{13}C$NMR, DEPT, HMQC, NOESY, and HMBC experiments and MS spectrometry) and by comparison with literature data of known compounds. Compounds 2, 4, 5, and 6 are reported for the first time from this plant through the present study.

Keywords

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