Allelochemicals fromPilocarpus goudotianus leaves |
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Authors: | Francisco A. Macías J. C. G. Galindo G. M. Massanet F. Rodriguez-Luis Eva Zubia |
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Affiliation: | (1) Departamento de Quimica OrgánicaFacultad de Ciencias, Universidad de Cádiz, Apdo. 40, 11510 Puerto Real, Cádiz, Spain |
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Abstract: | The effect on germination, shoot, and root growth by bergapten, xanthotoxin, imperatorin, xanthyletin, xanthoxyletin, luvangetin, donatin and alloxanthoxyletol fromPilocarpus goudotianus leaves, onLactuca sativa var. nigra seedlings has been evaluated. A structure-activity correlation is discussed based on the bioassay results. Furanocoumarins appear to be the most active compounds in comparison with pyrano- and simple coumarins. The presence of an oxygenated function at C-8 decreases the germination effect in furano- and pyranocoumarins, while C-5 substituents do not cause significant changes on the activity.Part 2 in the series:Natural Product Models as Allelochemicals. For Part 1 see: Macíaset al. (1992). |
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Keywords: | Pilocarpus goudotianus Rutaceae coumarins furanocoumarins pyranocoumarins allelopathy Lactuca sativa |
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