A new flavone C-glycoside, 5,7-dihydroxy-4′-methoxy-8-C-[2″-(2″′-methylbutyryl)]-β-D-glucopyranosyl flavone (1), was isolated from the rhizomes of Cyperus rotundus. Its chemical structure was elucidated on the basis of UV, IR, MS, and NMR spectroscopic analyses. Compound 1 showed moderate inhibitory activity against MRB in the test, with an IC50 value of approximately 56.03 μM.
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This study was supported by Key Science and Technology Program of Zhanjiang City (2012C3102017) and the National Natural Science Foundation of China (31400295).
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Published in Khimiya Prirodnykh Soedinenii, No. 4, July–August, 2015, pp. 552–553.
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Zhou, Z., Zhang, T., Xiao, H. et al. A New C-Glycosylflavone from the Rhizomes of Cyperus rotundus . Chem Nat Compd 51, 640–642 (2015). https://doi.org/10.1007/s10600-015-1374-9
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DOI: https://doi.org/10.1007/s10600-015-1374-9