Two new compounds, 3',5'-dimethyl-4',6'-dimethoxy-2'-hydroxydihydrochalcone (1) and 3',5'-dimethyl-6'- methoxy-2',4'-dihydroxydihydrochalcone (2), were isolated from the CHCl3 extract from Empetrum nigrum L. var. japonicum K. Koch. Their structures were elucidated by spectroscopic methods, including UV, IR, HR-ESI-MS, and extensive 1D and 2D NMR techniques.
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This work was supported by the Science and Technology Innovation Guidance Project of Inner Mongolia Autonomous Region in China (No. KCBJ2018030).
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Published in Khimiya Prirodnykh Soedinenii, No. 3, May–June, 2020, pp. 357–358.
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Bai, B., Wang, Qh., Wang, Ml. et al. Two New Compounds from Empetrum nigrum var. japonicum. Chem Nat Compd 56, 412–414 (2020). https://doi.org/10.1007/s10600-020-03050-x
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DOI: https://doi.org/10.1007/s10600-020-03050-x