Synthesis of carbonyl compounds based on the products of addition of polyhaloalkanes to unsaturated systems. Reactions of 1-aryl-5,5-dichloropenta-2,4-dien-1-ones with ethyl acetoacetate |
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| Authors: | S. A. Woznesensky A. A. Dudinov L. I. Belen'kii M. I. Struchkova V. N. Nesterov M. M. Krayushkin Yu. T. Struchkov |
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| Affiliation: | (1) N. D. Zelinsky Institute of Organic Chemistry, Russian Academy of Sciences, 47 Leninsky prosp., 117913 Moscow, Russian Federation;(2) A. N. Nesmeyanov Institute of Organoelement Compounds, Russian Academy of Sciences, 28 ul. Vavilova, 117813 Moscow, Russian Federation |
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| Abstract: | The reactions of 1-aryl-5,5-dichloropenta-2,4-dien-1-ones with ethyl acetoacetate in the presence of EtONa give ethyl 4-aryl-6-(2,2-dichlorovinyl)-4-hydroxy-2-oxocyclohexane-carboxylates. The structures of the reaction products were confirmed by1H and13C NMR spectroscopy and by X-ray diffraction analysis. Translated fromIzvestiya Akademii Nauk. Seriya Khimicheskaya, No. 3, pp. |
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| Keywords: | ethyl 4-aryl-6-(2,2-dichlorovinyl)-4-hydroxy-2-oxocyclohexanecarboxylates, synthesis 1-aryl-5,5-dichloropenta-2,4-dien-1-ones ethyl acetoacetate condensation cyclization crystal structure 1H and13C NMR spectra |
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