New enamine ligands derived from ethyl 2-ethoxymethylidene-3-oxo-3-polyfluoroalkylpropionates and o-phenylenediamine |
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| Authors: | Yu. S. Kudyakova M. V. Goryaeva Ya. V. Burgart P. A. Slepukhin V. I. Saloutin |
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| Affiliation: | 1.I. Ya. Postovsky Institute of Organic Synthesis,Ural Branch of the Russian Academy of Sciences,Ekaterinburg,Russian Federation |
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| Abstract: | Diethyl 2,2′ [1,2-phenylenebis(aminomethylidene)]bis(3-oxo-3-polyfluoroalkylpropionates) were synthesized by the condensation of a double excess of ethyl 2-ethoxymethylidene- 3-oxo-3-polyfluoroalkylpropionates with o-phenylenediamine. The use of equimolar ratios of the starting reactants affords ethyl 2-[(2-aminophenyl)aminomethylidene]-3-oxo- 3-polyfluoroalkylpropionates from which nonsymmetric biscondensation products were synthesized by the reaction with related reactants containing different polyfluoroalkyl substituent. The copper(II), nickel(II), and cobalt(II) complexes were obtained on the basis of new ligands. |
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