A new flavonoid glycoside 1 was isolated from Schizonepeta annua (Pall.) Schischk. by column chromatography. Its structure was determined to be acacetin 7-O-α-L-rhamnopyranosyl-(1→2)-[β-D-xylopyranosyl-(1→6)]-β-D-glucopyranoside (1) by spectroscopic data (1H NMR, 13C NMR, 1H−1H COSY, HSQC, and HMBC) and chemical methods. In addition, the α-glucosidase inhibitory activity of compound 1 was evaluated.
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Acknowledgment
This work was supported by grants from the National Natural Science Foundation of China (No. 31201563) and Top-notch Academic Programs Project of Jiangsu Higher Education Institutions (PPZY2015C212). We are also grateful to Prof. Qishi Sun, Shenyang Pharmaceutical University, for the identification of the plant.
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Published in Khimiya Prirodnykh Soedinenii, No. 3, May-June, 2019, pp. 394-395.
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Shen, J., Chen, J., Li, JP. et al. A New Flavonoid Glycoside from Schizonepeta annua. Chem Nat Compd 55, 458–460 (2019). https://doi.org/10.1007/s10600-019-02713-8
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DOI: https://doi.org/10.1007/s10600-019-02713-8