Two new sesquiterpenes, 7-hydroxy-15-nor-α-cadin-4-one (1) and 15-nor-α-cadin-4-one (2), together with six known sesquiterpenes (3–8), were isolated from the stems of Fissistigma maclurei Merr. Their structures were elucidated using comprehensive spectroscopic methods. All compounds were evaluated on their anti-inflammatory activities via testing the inhibitory activities against nitric oxide (NO) production induced by lipopolysaccharides in mouse macrophage RAW 264.7 cells in vitro.
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Acknowledgment
This work was supported by the Hainan Province Natural Science Foundation (218QN234), the National Natural Science Foundation of China (21662012 and 41866005), the Hainan Province Natural Science Foundation of Innovative Research Team Project (2016CXTD007), and the Innovative Research Team Project of Ministry (IRT-16R19).
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Published in Khimiya Prirodnykh Soedinenii, No. 2, March–April, 2022, pp. 244–246.
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Luo, YX., Wu, Y., Dai, DC. et al. Two New Sesquiterpenes from the Stems of Fissistigma maclurei. Chem Nat Compd 58, 279–282 (2022). https://doi.org/10.1007/s10600-022-03659-0
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DOI: https://doi.org/10.1007/s10600-022-03659-0