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Type: Artigo de periódico
Title: Preparation Of Achiral And Chiral (e)-enaminopyran-2,4-diones And Their Phytotoxic Activity.
Author: Dias, Luiz C
Demuner, Antônio J
Valente, Vânia M M
Barbosa, Luiz C A
Martins, Felipe T
Doriguetto, Antônio C
Ellena, Javier
Abstract: A short and efficient approach to a range of new chiral and achiral functionalized (E)-enaminopyran-2,4-diones starting with commercially available dehydroacetic acid is described. The phytotoxic properties of these (E)-enaminopyran-2,4-diones were evaluated by their ability to interfere with the growth of Sorghum bicolor and Cucumis sativus seedlings. A different sensitivity of the two crops was evident with the (E)-enaminopyran-2,4-diones. The most active compounds were also tested against two weeds, Ipomoea grandifolia and Brachiaria decumbens. To the best of our knowledge, this is the first report describing enaminopyran-2,4-diones as potential plant growth regulators.
Subject: Brachiaria
Cucumis Sativus
Plant Growth Regulators
Structure-activity Relationship
Rights: fechado
Identifier DOI: 10.1021/jf802805f
Date Issue: 2009
Appears in Collections:Unicamp - Artigos e Outros Documentos

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