Joshi, Balawant S. ; Hegde, Vinod R. ; Kamat, Venkatesh N. (1996) Isolation and structure of wightional and wightiolide from Andrographis wightiana Phytochemistry, 42 (3). pp. 761-766. ISSN 0031-9422
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Official URL: http://linkinghub.elsevier.com/retrieve/pii/003194...
Related URL: http://dx.doi.org/10.1016/0031-9422(95)00946-9
Abstract
Two new ent-labdane-type diterpenoids, wightional and wightiolide have been isolated from the leaves of Andrographis wightiana. Their structures were determined on the basis of extensive 1H and 13C, 1H homonuclear COSY, and HMBC NMR spectroscopic studies. To correlate the newly isolated diterpenes with wightionolide, a number of derivatives of wightionolide have been prepared and characterized.
| Item Type: | Article |
|---|---|
| Source: | Copyright of this article belongs to Phytochemical Society of Europe. |
| Keywords: | Andrographis wightiana; Acanthaceae; Diterpenes; Wightional; Wightiolide and Wightionolide; 1H and 13C NMR Spectra |
| ID Code: | 15158 |
| Deposited On: | 13 Nov 2010 06:34 |
| Last Modified: | 03 Jun 2011 04:12 |
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