## Abstract Guided by __in vitro__ immunological tests, three immunomodulating steroidal glycosides, stemucronatosides A (**1**), B (**2**), and C (**3**), were isolated from the roots of __Stephanotis mucronata.__ On the basis of chemical evidence and extensive spectroscopic methods including 1D a
โฆ LIBER โฆ
Four new C-21 steroidal glycosides from the roots of Stephanotis mucronata and their immunological activities
โ Scribed by Yiping Ye; Hongxiang Sun; Xiaoyu Li; Fengyang Chen; Feng Qin; Yuanjian Pan
- Book ID
- 116891839
- Publisher
- Elsevier Science
- Year
- 2005
- Tongue
- English
- Weight
- 261 KB
- Volume
- 70
- Category
- Article
- ISSN
- 0039-128X
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## Abstract magnified image Four new C~21~ steroidal glycosides with an acyl group at C(12) and a straight sugar chain at C(3), namely auriculosides IโIV (**1**โ**4**, resp.), along with seven known steroidal derivatives, were isolated from the roots of __Cynanchum auriculatum__ Royle ex Wight. Th