Article ID | Journal | Published Year | Pages | File Type |
---|---|---|---|---|
8527546 | Chinese Journal of Natural Medicines | 2017 | 5 Pages |
Abstract
Two new steroidal saponins, named timosaponin P (1) and timosaponin Q (2), were isolated from the rhizome parts of Anemarrhena asphodeloides Bunge using various chromatographic methods. Their structures and absolute configurations were elucidated by a combination of spectroscopic and spectrometric data, including 1D, 2D NMR, HR-ESI-MS and ECD calculations, and this is the first time the absolute configuration of C-23 of steroidal saponin was confirmed by ECD calculations.
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Authors
Xing-Huan SUN, Fu-Tao ZHU, Yu-Wei ZHANG, Fang-Fang CHEN, Yun YU, Ning-Ning SONG, Xue-Feng HUANG,