Misra, Laxminarain ; Lal, Payare ; Sangwan, Rajender S. ; Sangwan, Neelam S. ; Uniyal, Girish C. ; Tuli, Rakesh (2005) Unusually sulfated and oxygenated steroids from Withania somnifera Phytochemistry, 66 (23). pp. 2702-2707. ISSN 0031-9422
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Official URL: http://www.sciencedirect.com/science/article/pii/S...
Related URL: http://dx.doi.org/10.1016/j.phytochem.2005.10.001
Abstract
Four (1, 8-10) and six known (2-7) withanolides were isolated from the leaves of Withania somnifera. Among the new compounds, 10 possessed the rare 3-O-sulfate group with the saturation in A ring and 9 contained unusual 1,4--dien-3-one group. Compound 8 did not have usual 2,3 unsaturation in A ring while 1 had the rare C-16 double bond. The structures of all the compounds were elucidated by spectroscopic methods and chemical transformation.
| Item Type: | Article |
|---|---|
| Source: | Copyright of this article belongs to Elsevier Science. |
| Keywords: | Withania somnifera L.; Solanaceae; Ashwagandha; Withanolides; Withasteroids; Sulfated; Oxygenated Withanolide |
| ID Code: | 54602 |
| Deposited On: | 12 Aug 2011 07:00 |
| Last Modified: | 12 Aug 2011 07:00 |
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