A new constituent, named (4R)-6′′′′ -O-sinapoylpueroside B (1), was isolated from the dried roots of Pueraria lobata (Willd.) Ohwi. The structure of 1 was identified by HR-ESI-MS, UV, IR, 1D NMR, 2D NMR, and CD spectra. Compound 1 was evaluated for the inhibitory activity against PTP1B in vitro and showed no obvious activity.
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ACKNOWLEDGMENT
This work was financially supported by National Key Research and Development Project (No. 2017YFC1702902).
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Published in Khimiya Prirodnykh Soedinenii, No. 4, July–August, 2022, pp. 515–517.
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