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- Title
New Steroidal Saponins from the Leaves of Yucca elephantipes.
- Authors
Zhang, Ying; Yang, Chong-Ren; Zhang, Ying-Jun
- Abstract
Two new spirostanol saponins, namely elephanosides G and H ( 1 and 2, resp.) were isolated from the leaves of Yucca elephantipes (Agavaceae), together with the two known furostanol saponins 3 and 4 and the six known flavonoid O- and C-glycosides 5- 10. The new structures were elucidated as (3 β,25 S)-spirost-5-en-3-yl O- β- D-glucopyranosyl-(1→3)- O- β- D-glucopyranosyl-(1→4)- β- D-galactopyranoside ( 1) and (3 β,5 β,25 R)-3-[(2- O- β- D-glucopyranosyl- β- D-galactopyranosyl)oxy]spirostan-12-one ( 2) on the basis of detailed spectroscopic analysis and acidic hydrolysis.
- Subjects
STEROIDAL alkaloids; SAPONINS; SPIROSTANOL; ASPARAGACEAE; GLUCOPYRANOSE; HYDROLYSIS
- Publication
Helvetica Chimica Acta, 2013, Vol 96, Issue 9, p1807
- ISSN
0018-019X
- Publication type
Article
- DOI
10.1002/hlca.201200586