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| Título: | On the relative stereochemistry of atomaric acid and related compounds |
Autor: | Dorta, Enrique CSIC; Díaz-Marrero, Ana R. CSIC ORCID; Cueto, Mercedes CSIC ORCID ; Darias, José CSIC | Palabras clave: | Atomaric acid Stypopodium zonale Diterpenes of mixed biogenesis |
Fecha de publicación: | 26-feb-2003 | Editor: | Elsevier | Citación: | Tetrahedron 59(12): 2059-2062 (2003) | Resumen: | The stereochemistry at C-3 of the known compounds atomaric acid 2a, 5'a-desmethyl-5'-acetylatomaric acid 4a, and stypoquinonic acid 5a is revised to 2, 4, and 5 on the basis of a careful study of 2D NOESY experiments and also from comparison of their 1H and 13C chemical shifts with those of the related metabolites 6 and 7 isolated from Stypopodium zonale. Compound 7 is a novel unusually functionalized 1-keto-5'a-desmethyl atomaric acid derivative whose structure and stereochemistry were determined by spectroscopic means. | Descripción: | 4 pages, 1 figure, 1 table, 1 scheme.-- Printed version published Mar 17, 2003. | Versión del editor: | http://dx.doi.org/10.1016/S0040-4020(03)00215-1 | URI: | http://hdl.handle.net/10261/13272 | DOI: | 10.1016/S0040-4020(03)00215-1 | ISSN: | 0040-4020 |
| Aparece en las colecciones: | (IPNA) Artículos |
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