A new monoterpene-flavanone conjugate, grammatin A (1), along with four known compounds (2–5), were isolated from the aerial parts of Chimonanthus grammatus. Their structures were elucidated through extensive analysis of NMR spectroscopic data in combination with the reported literature. All these compounds were isolated from this plant for the first time.
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Acknowledgment
This work was funded by National Natural Science Fund (81872418), Shanghai Natural Science Foundation (18ZR1431700), Shanghai Municipal Health and Family Planning Commission Project (20184Y0104), and Shanghai Fengxian District Science and Technology Project (20181601). This research was partly supported by the scientific research program of Jilin Provincial Education Department (Grant No. JJKH20190984KJ) and Key Discipline Project of Traditional Chinese Medicine of Jilin Agricultural Science and Technology College (No. 2018002).
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Published in Khimiya Prirodnykh Soedinenii, No. 5, September–October, 2020, pp. 697–698.
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Li, Y., Sun, K., Liang, L. et al. A New Monoterpene-Flavanone Conjugate from the Aerial Parts of Chimonanthus grammatus. Chem Nat Compd 56, 811–813 (2020). https://doi.org/10.1007/s10600-020-03158-0
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DOI: https://doi.org/10.1007/s10600-020-03158-0