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Catalytic Fluorodechlorination of Polychlorofluorobenzenes with Potassium Fluoride

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Abstract

Fluorodechlorination of polychlorofluorobenzenes with potassium fluoride in the presence of phase-transfer catalysts was investigated. “Onium” catalysts [hexaethylguanidinium chloride, tetra(diethylamino)phosphonium bromide] take part in the stabilization of the intermediate σ-complex. Catalytic role of polyethers (tetraglyme, 18-crown-6) in the fluorodechlorination process is limited to increasing the fluoride ion concentration.

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Authors and Affiliations

  1. Perm Division of the Federal State Unitary Enterprise “Russian Scientific Center Applied Chemistry”, Perm, 614034, Russia

    A. I. Shipilov, N. N. Karyukalova & S. M. Igumnov

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  1. A. I. Shipilov
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  2. N. N. Karyukalova
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  3. S. M. Igumnov
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Shipilov, A.I., Karyukalova, N.N. & Igumnov, S.M. Catalytic Fluorodechlorination of Polychlorofluorobenzenes with Potassium Fluoride. Russian Journal of Organic Chemistry 38, 220–223 (2002). https://doi.org/10.1023/A:1015513616577

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