Reaction of Polyfluoro-3-chloro(bromo)-1-butenes with Sodium Hypohalites and Properties of Epoxides Derived Therefrom |
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| Authors: | Zapevalov A Ya Filyakova T I Kodess M I Saloutin V I |
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| Institution: | (1) Institute of Organic Synthesis, Ural Division, Russian Academy of Sciences, ul. S. Kovalevskoi 20, Yekaterinburg, 620219, Russia |
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| Abstract: | Epoxidation of 3-chloro(bromo)heptafluoro-1-butenes and 3,4-dichlorohexafluoro-1-butene with aqueous solutions of sodium hypohalites is accompanied by cleavage of the carbon skeleton at the double bond and formation of polyfluorocarboxylic acid sodium salts as by-products. 3-Chloro(bromo)-1,2-epoxy- heptafluoro- and 3,4-dichloro-1,2-epoxyhexafluorobutanes were synthesized and subjected to isomerization into carbonyl compounds by the action of cesium fluoride or antimony pentafluoride. |
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