Steroidal glycosides from the roots of Asclepias curassavica

Twenty-six new acylated-oxypregnane glycosides were obtained along with three known cardenolicle glycosides from the roots of Asclepias curassavica (Asclepiadaceae). The new compounds were confirmed to contain 12-O-benzoyisarcostin, 12-O-benzoyideacylmetaplexigenin, kidjolanin, and 12-O-benzoyltayloron, and one new acylated-oxypregnane, 12-O-(E)-cinnamoyltayloron, as their aglycones, using both spectroscopic and chemical methods.