2,4-Bridged 1,5-bis(fluoroalkyl)-1,3,5-triketones: synthesis and properties |
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| Authors: | D.L. Chizhov K.I. Pashkevich |
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| Affiliation: | a Institute of Organic Synthesis, Ural Branch of the Russian Academy of Sciences, S. Kovalevskoy St. 20, GSP-147, 620219 Yekaterinburg, Russia
b Institut für Anorganische und Physikalische Chemie, Universität Bremen, Leobener Strasse, Postfach 30440, D-28334 Bremen, Germany |
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| Abstract: | Symmetrical and unsymmetrical bis-fluoroacylcyclopentanones and cyclohexanones were synthesized. NMR data reveal that the keto-enol tautomeric equilibrium is changed markedly by the presence of a trimethylene bridge compared to an ethylene moiety. A considerable influence of the fluoroalkyl chain length was found for 2,6-(bisfluoroacyl)cyclohexanones. |
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| Keywords: | Polyfluoroalkyl groups Fluorinated 1,3,5-triketones Cycloalkanones Keto-enol equilibrium |
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