A new flavonoid, 5,8-dihydroxy-7,2′,3′,5′-tetramethoxyflavone (1), was isolated from the stems of Plectranthus amboinicus (Lour.) Spreng. The structure of the new flavonoid was elucidated from chemical and physical evidence.
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Acknowledgment
This investigation was supported by a grant from the Ministry of Science and Technology of Republic of China (MOST-108-2320-B-242-002) awarded to C. Y. Chen.
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Published in Khimiya Prirodnykh Soedinenii, No. 1, January–February, 2021, pp. 28–29.
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Cheng, C.Y., Kao, C.L., Li, H.T. et al. A New Flavonoid from Plectranthus amboinicus. Chem Nat Compd 57, 30–32 (2021). https://doi.org/10.1007/s10600-021-03274-5
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DOI: https://doi.org/10.1007/s10600-021-03274-5