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| Title: | Bioactive diterpenes from Orthosiphon labiatus and Salvia africana-lutea |
Authors: | Hussein, Ahmed A.; Meyer, Jacobus J. M; Jimeno, M. Luisa CSIC ORCID; Rodríguez, Benjamín CSIC | Issue Date: | 2007 | Publisher: | American Chemical Society American Society of Pharmacognosy |
Citation: | Journal of Natural Products 70 : 293-295 (2007) | Abstract: | The known (+)-trans-ozic acid (1) and two new labdane diterpenoids (2 and 3) have been isolated from an ethanol extract of Orthosiphon labiatus. The structures of 2 and 3 were established mainly by 1D and 2D NMR spectroscopic means. The ethanolic extract of SalVia africana-lutea afforded the known abietane diterpenoids carnosol (4), rosmadial (5), and carnosic acid (characterized as its derivative 6). Compounds 3 and 6 exhibited MICs of 157 and 28 íM, respectively, against Mycobacterium tuberculosis, while 2 and 6 showed cytotoxic activity with IC50 82 and 69 íM, respectively, against a breast (MCF-7) human cancer cell line. | Publisher version (URL): | http://dx.doi.org/10.1021/np0680376 | URI: | http://hdl.handle.net/10261/34516 | DOI: | 10.1021/np0680376 | ISSN: | 0163-3864 |
| Appears in Collections: | (CENQUIOR) Artículos |
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