Polyoxypregnanes from Marsdenia tenacissima
β Scribed by Luo Si-Qi; Lin Long-Ze; Geoffrey A. Cordell; Xue Liang; Michael E. Johnson
- Book ID
- 108365651
- Publisher
- Elsevier Science
- Year
- 1993
- Tongue
- English
- Weight
- 584 KB
- Volume
- 34
- Category
- Article
- ISSN
- 0031-9422
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π SIMILAR VOLUMES
## Abstract Two new polyoxypregnane glycosides, marsdenosides L and M (**1** and **2**, resp.), along with five known polyoxypregnane glycosides, **3**β**7**, were isolated from the stem of __Marsdenia tenacissima__ (Roxb.) Wight et Arn. (Asclepiadaceae). The structures and relative configurations
## Abstract Three new polyoxypregnane glycosides, marsdenosides IβK (**1**β**3**), were isolated from the stem of __Marsdenia tenacissima.__ The structures were elucidated on the basis of inβdepth spectroscopic analyses, and by means of chemical evidence. Marsdenoside I (**=**β(3__Ξ²__,5__Ξ±__,11__Ξ±_