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Three new triterpenoid saponins from the stems of Ilex asprella
- Zhang, He-Xin-Ge, Du, Bing-Zhao, Zhao, Feng, Yang, Xin-Yao, Jiao, Shun-Gang, Xing, Jian-Yong, Han, Zheng-Zhou, Tu, Peng-Fei, Chai, Xing-Yun
- Journal of Asian natural products research 2018 v.20 no.5 pp. 439-444
- Ilex, moieties, nuclear magnetic resonance spectroscopy, spectral analysis, stems, sugars, sulfates, triterpenoid saponins
- Three new triterpenoid saponins, namely asprellinoids A–C (1–3), featuring a sulfate substitution in sugar moiety, were isolated from the stems of Ilex asprella (Hook. et Arn.) Champ. ex Benth. Their structures were elucidated by the spectroscopic data analyses including HR-ESI-MS, IR, and NMR spectra, and chemical method.