Preparation of Achiral and Chiral (E)-Enaminopyran-2, 4-diones and their phytotoxic activity

LC Dias, AJ Demuner, VMM Valente…

Index: Costa, Adilson V.; De Barbosa, Luiz Claudio A.; Demuner, Antonio J.; Silva, Antonio A. Journal of Agricultural and Food Chemistry, 1999 , vol. 47, # 11 p. 4807 - 4814

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Citation Number: 9

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, ...