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Abstract
Two new cycloartane triterpenoids, (24 R)-cycloartane-3β,24,25,30-tetrol (1) and (24 R)-24,25,30-trihydroxy-9,19-cycloartane-3-one (2), along with three known compounds (3-5) were isolated from leaves and twigs of Aphanamixis polystachya. The new compounds were elucidated based on comprehensive spectroscopic analysis, including 1 D, 2 D NMR and HREIMS. The in vitro cytotoxic activities evaluation of five human cancer cell lines revealed that compound 1 exhibited cytotoxic activity on all of tested human cancer cell lines, while compound 2 only had specific activity on SMMC-7721 cell line.
Graphical Abstract
Disclosure statement
No potential conflict of interest was reported by the authors.
Additional information
Funding
This work was supported by the National Natural Science Foundation of China [grant numbers 81773610 and 81973212], Central Asian Drug Discovery and Development Centre of Chinese Academy of Sciences [grant number CAM201702].
