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Abstract
Two new steroidal saponins, β-sitosterol-3-O-α-l-glucopyranoside (3) and β-sitosterol-3-O-β-d-glucopyranosyl-(1→6)-β-d-glucopyranoside (4), were isolated and identified from the bark of Neolamarckia cadamba, along with 13 known compounds. Their structures were established on the basis of spectral data.
Graphical Abstract
Acknowledgment
We thank Instruments Center of Phytochemistry Lab, Kunming Institute of Botany, Chinese Academy of Sciences for spectroscopic experiments.
Disclosure statement
No potential conflict of interest was reported by the authors.
Additional information
Funding
This work was financially supported by the National Key Project of China for New Drugs Innovation (2017ZX09301045) and CAS 135 Program (XTBG-F02).