Diterpenes from Salvia mellifera |
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Authors: | Antonio G. Gonz lez Lucia S. Andr s Javier G. Luis Ivan Brito Matias L. Rodrí guez |
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Affiliation: | Centro de Productos Naturales Orgánicos Antonio González, Universidad de La Laguna, Carretera La Esperanza 2, La Laguna, 38206 Tenerife, Canary Islands, Spain |
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Abstract: | Two new aromatic diterpenes have been obtained from the aerial part of Salvia mellifera and their structures identified, on the basis of spectral data and chemical correlations, as 11,12,20-trihydroxy-abieta-8,11,13-triene and 11,12,16-trihydroxy- abieta-8,11,13-trien-20-al. The known diterpenes, carnosic acid, carnosol, rosmanol, isorosmanol, galdosol, rosmadial, 9 (10 → 20)-abeo-abieta-8,11,13-triene-10β,11,12-triol (demethylsalvicanol)and salvicanol were also isolated from the same source. The absolute configuration of salvicanol was established by X-ray diffraction analysis of its 11-p-bromobenzoate derivative. |
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Keywords: | Salvia mellifera Labiatae Californian black sage diterpenes abietatriene diterpenes. |
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