Dienoic acids,synthesis and 13C NMR spectral analysis |
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Authors: | Nelson Frighetto Carmen L.P. Silveira Francisco de A.M. Reis Eva G. Magalhães Edmundo A. Rúveda |
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Affiliation: | Instituto de Química, Universidade Estadual de Campinas, C.P. 1170, 13100 Campinas, São Paulo, Brasil |
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Abstract: | A preparation of E,E-2,4-dienoic acids, together with the assignments of their 13C NMR signals and the shifts observed after transformation into their sodium salts, is described. The stereochemistry of the double bonds of 3,5-dienoic esters, obtained from 2,4-dienoic acids, on the basis of 13C NMR data, is also presented. |
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