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Abstract
Two new degrade cycloartane triterpenoids, named buboditones A, B (1, 2), together with ten known alkaloids, cyclobuxoviridine (3), N-dimethylcycloxobuxovircine (4), cyclovirobuxine C (5), cyclovirobuxine A (6), cycloprotobuxine C (7), cycloprotobuxine A (8), cyclobuxoxazine (9), cyclobuxoxazine A (10), buxruguline B (11), irehine (12), were isolated from the leaves and stems of Buxus bodinieri Levl., The structures of compounds 1-2 were elucidated by 1 D and 2 D NMR spectroscopic methods including HSQC, HMBC, 1H-1H COSY, NOESY, as well as HRESIMS spectroscopic analysis.
Disclosure statement
No potential conflict of interest was reported by the authors.
Additional information
Funding
This work was financially supported by the National Natural Science Foundation of China (Grant No. 82003616), as well as the Foundation of Key Project of Basic Research Plan of Yunnan Province (202001AS070012).