作者:Hong Bai、Wei Li、Yoshihisa Asada、Tadaaki Satou、Yuanshu Wang、Kazuo Koike
DOI:10.1016/j.steroids.2008.10.007
日期:2009.2
Eleven new 14,15-seco-pregnane-type steroidal glycosides, cynanosides P1-P5, Q1-Q3, R1-R3, and a novel 12,13-seco-14,18-nor-pregnane-type steroidal glycoside, cynanoside S, were isolated from the roots of Cynanchum atratum, together with four known compounds, atratoside C, sublanceoside E3, chekiangensoside C and cynatroside B. Their structures were determined on the basis of spectroscopic analysis
11 种新的 14,15-seco-孕烷型甾体糖苷、cynanosides P1-P5、Q1-Q3、R1-R3 和一种新型 12,13-seco-14,18-nor-pregnane-型甾体糖苷,cynanoside S , 与四种已知化合物 atratoside C、sublanceoside E3、chekiangensoside C 和 cynatroside B 一起从 Cyanchum atratum 的根中分离出来。它们的结构是根据光谱分析和化学证据确定的。