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Abstract
A phytochemical study was carried out on Ajuga multiflora, and obtained a novel ursane-type triterpene saponin, i.e., 3-epi-ursolic acid 3-O-palmitoyl 28-O-α-L-arabinofuranosyl ester (1), named ajugoside. Its structure and relative configuration were identified mainly by spectroscopic methods including 1D- and 2D-NMR techniques as well as HR-MS analysis. This paper described the isolation and structural elucidation of ajugoside (1) for the first time.
GRAPHICAL ABSTRACT
Disclosure statement
No potential conflict of interest was reported by the authors.
Additional information
Funding
This work was supported by Anhui Provincial Natural Science Foundation [1808085MH248].