Structural determination of saponins from Hedysarum polybotrys |
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| Authors: | Liu Yi Zhang Qingying Chen Hubiao Wang Bin An Dongge Zhao Yuying |
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| Institution: | Department of Natural Medicines, School of Pharmaceutical Sciences, Peking University Health Science Center, Beijing 100083, China. |
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| Abstract: | Four saponins (1-4) were isolated from the roots of Hedysarum polybotrys Hand.-Mazz. and obtained from Hedysarum (Tourn.) L for the first time. Their structures were identified on the basis of spectroscopic data. MS, 1D and 2D NMR including HMQC, HMBC, 1H-1H COSY and NOESY permitted correct assignments of all 1H and 13C signals of 1 and 2, and the 13C NMR data of 2 were reported for the first time. |
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| Keywords: | NMR 1H NMR 13C NMR 2D NMR Hedysarum polybotrys saponin soyasaponin II soyasaponin II methyl ester |
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