Two new chromeno[3,2-c]pyridin derivatives, 8-acetyl-3-(hydroxymethyl)-7-methoxy-10H-chromeno[3,2-c]pyridin-10-one (1) and 8-acetyl-3-isopropyl-7-methoxy-10H-chromeno[3,2-c]pyridin-10-one (2), were isolated from the whole plants of Thalictrum finetii. Their structures were determined by means of HR-ESI-MS and extensive 1D and 2D NMR spectroscopic studies. Compounds 1 and 2 were tested for their antirotavirus activity. The results revealed that compounds 1 and 2 exhibited high antirotavirus activity with therapeutic index (TI) values of 19.7 and 17.1. These values are close to that of positive control (21.6).
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This project was supported by the National Natural Science Foundation of China (No. 21762050), the Yunnan Applied Basic Research Projects for Excellent Young Scholars (Grant to M.Z.), and the Foundation of Yunnan Innovative Research Team (2019HC020).
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Published in Khimiya Prirodnykh Soedinenii, No. 3, May–June, 2022, pp. 435–438.
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Hu, QF., Zhang, LF., Liu, MX. et al. Two New Chromeno[3,2-c]Pyridine Derivatives from the Whole Plants of Thalictrum finetii and Their Antirotavirus Activity. Chem Nat Compd 58, 511–515 (2022). https://doi.org/10.1007/s10600-022-03720-y
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DOI: https://doi.org/10.1007/s10600-022-03720-y