Tagetolone and tagetenolone: two phytotoxic polyketides from Alternaria tagetica |
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| Authors: | Gamboa-Angulo M M García-Sosa K Alejos-González F Escalante-Erosa F Delgado-Lamas G Peña-Rodríguez L M |
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| Institution: | Grupo de Química Orgánica, Unidad de Biotecnología, Centro de Investigación Científica de Yucatán A.C., Calle 43 No. 130, Colonia Chuburná, Mérida, Yucatán, México 97200. |
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| Abstract: | Two new phytotoxic polyketides, tagetolone (1) and tagetenolone (2), in addition to tyrosol and p-hydroxybenzoic acid, have been isolated from the organic crude extract of culture filtrates from the fungal pathogen Alternaria tagetica. Complete characterization of all structures was carried out following a careful analysis of their spectroscopic data (IR, MS, (1)H and (13)C NMR, and 2D NMR experiments). |
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