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Title

Síntesis de compuestos aromáticos por Eurotium echinulatum Delacr.

Other TitlesSynthesis of aromatic compounds by Eurotium echinulatum Delacr.
AuthorsSáiz-Jiménez, Cesáreo ; Haider, K. M.
Issue Date1975
PublisherCSIC - Instituto Nacional de Edafología y Agrobiología José María Albareda
CitationAnales de Edafología y Agrobiología XXXIV: 931-941 (1975)
Abstract[ES]: Eurotium echinuulatum Delacr., un hongo aislado de un vertisuelo de la provincia de Sevilla, produce una elevada cantidad de fenoles y antraquinonas, así como dos metabolitos de naturaleza compleja: flavoglaucina y equinulina. Los fenoles y antraquinonas están integrados en vías de transformaciones, a partir de precursores que son alterados por oxidación de las cadenas laterales, decarboxilaciones, hidroxiladones, metilaciones, etc. En total se han identificado 40 metabolitos, que representan el 60 por 100 del total de los separados en capa fina.
[EN]: Eurotium echinulatum DeJacr., a fungus isolated from a Southern Spain vertisol, synthesizes phenols, anthraquinones and two complex structure compounds: flavoglaucin and echinulin. The phenols are integrated in some transformation pathways, having as key compounds: p-hydroxycinnamic acid, orsellinic acid, acetylphloroglucinol, 3-methylorsellinic acid and 6-methylsalicylic acid. The two key anthraquinones are endocrocin and emodin. These precursors are altered by introduction of additional hydroxyl groups, by decarboxylation and by oxidation of methyl groups to form a series of derivativess compounds. All the metabolites of the pathways have been identified, except S0111C from the 3-methylorsellinic and 6-methylsalicylic acids, which require a more profound study to demonstrate the suggested transformations. In the culture media from E. echinullatum forty metabolites have heen identified, which represent sixty per cent of the compounds separated by TLC.
Description11 páginas, 4 esquemas, 2 figuras, 31 referencias.
URIhttp://hdl.handle.net/10261/74281
Appears in Collections:(IRNAS) Artículos
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