A new compound 1, together with two known compounds (2, 3), has been isolated from the ethanolic extract of Viburnum melanocarpum leaves. Their structures were elucidated by extensive spectroscopic evidence and chemical method. In the in vitro assay, compounds 1 and 3 displayed potent inhibitory activity against α-glucosidase with IC50 values of 6.28 μM and 12.73 μM, respectively.
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Acknowledgment
This work was supported by the National Natural Science Foundation of China (No. 31201563) and the Top-notch Academic Programs Project of Jiangsu Higher Education Institutions (PPZY2015C212).
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Published in Khimiya Prirodnykh Soedinenii, No. 1, January–February, 2021, pp. 48–49.
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Tang, YY., Zhao, ZY., Chen, J. et al. Phenolic Constituents with their α-Glucosidase Inhibitory Activities from the Leaves of Viburnum melanocarpum. Chem Nat Compd 57, 56–58 (2021). https://doi.org/10.1007/s10600-021-03281-6
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DOI: https://doi.org/10.1007/s10600-021-03281-6