Journal of Asian Natural Products Research p. 285 - 288 (2015)
Update date:2022-08-11
Topics:
Yang, Xin-Xin
Bao, Yong-Rui
Wang, Li-Fen
Wang, Shuai
Bao, Li-Na
Guan, Yu-Peng
Meng, Xian-Sheng
Two new C21 steroidal glycosides were isolated from Cynanchum otophyllum Schneid. Their structures were elucidated as qinyangshengenin-3-O-β-d-digitoxopyranoside (1) and rostratamine-3-O-β-d-cymaropyranosyl-(1 → 4)-β-d-digitoxopyranoside (2) on the basis of chemical and spectroscopic methods, including 1D and 2D NMR experiments.
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