## Abstract Five new pregnane glycosides, perisepiumosides AβE (**1**β**5**, resp.), along with the seven known constituents **6**β**12**, were isolated from the root barks of __Periploca sepium__ Bge. (Asclepiadaceae), a traditional Chinese medicine used for the treatment of rheumatoid arthritis a
Five new C21 steroidal glycosides from Periploca sepium
β Scribed by Lei Wang; Zhi-Qi Yin; Qing-Wen Zhang; Xiao-Qi Zhang; Dong-Mei Zhang; Kang Liu; Yao-Lan Li; Xin-Sheng Yao; Wen-Cai Ye
- Book ID
- 116892548
- Publisher
- Elsevier Science
- Year
- 2011
- Tongue
- English
- Weight
- 548 KB
- Volume
- 76
- Category
- Article
- ISSN
- 0039-128X
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Eight new C 21 steroidal glycosides, named wilfosides A -H (1 -8, resp.), along with one known compound wilfoside KIN (9), were isolated from the roots of Cynanchum wilfordii. The structures of the new glycosides were determined on the basis of spectroscopic analysis, including 1D-and 2D-NMR, and ES