Abstract
Three new polyoxypregnane glycosides, tenacigenosides F–H (1–3), were isolated from the stems of Marsdenia tenacissima. The structures of these new compounds were elucidated from 1D and 2D NMR spectra, as well as from HR-MS and acid hydrolysis.
Acknowledgement
This work was financially supported by Grant No. 26701001 from the Doctors Research Foundation of Southwest University for Nationalities.