Abstract
A new 12a-dehydrorotenoid 1, 11-dihydroxy-9, 10-methylenedioxy-12a-dehydrorotenoid(1), together with a new isoflavonoid glycoside tectorigenin-7-O-β-glucosyl-4’-O-β-glucoside(3), were isolated and identified from the rhizomes ofI. spuria (Zeal). In addition, 4 known compounds, tectorigenin(2) tectorigenin-7-O-β-glucosyl (1 → 6) glucoside(4), tectoridin (a tectorigenin-7-O-β-glucoside)(5) and tectorigenin-4’-O-β-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,13C-NMR, DEPT, HMQC, NOESY, and HMBC experiments and MS spectrometry) and by comparison with literature data of known compounds. Compounds2, 4, 5, and6 are reported for the first time from this plant through the present study.
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Singab, A.N.B. Flavonoids fromIris spuria (Zeal) cultivated in Egypt. Arch Pharm Res 27, 1023–1028 (2004). https://doi.org/10.1007/BF02975425
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DOI: https://doi.org/10.1007/BF02975425