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C-21 steroidal glycosides from Dregea sinensis
Shao-Hua Jia1, Fang Lv, Rong-Ji Dai
1a School of Life Science, Beijing Institute of Technology , Beijing 100081 , China.
Journal of Asian Natural Products Research
|June 24, 2014
Abstract:
Two new C-21 steroidal glycosides, dregeosides D (1) and E (2), were isolated from the roots of Dregea sinensis. The structures of the isolated compounds were elucidated on the basis of 1D and 2D NMR spectra and HR-ESI-MS analysis. Finally, the inhibited effects of the isolated compounds on interleukin 2 receptor were evaluated by enzyme-linked immunosorbent assay.