Journal of Fluorine Chemistry p. 129 - 132 (1997)
Update date:2022-08-11
Topics:
Heaton, Alan
Hill, Mark
Drakesmith, Frederick
Attempted fluorination of 1,2,3,4-tetrachloro-5,6-dinitrobenzene with potassium fluoride to give 1,2,3,4-tetrafluoro-5,6-dinitrobenzene in DMF or sulpholane, or under solid/liquid phase transfer conditions in toluene using Aliquat 336, TBAI or 18-Crown-6 failed to yield any products resulting from displacement of Cl by F. Rather surprisingly, the two products obtained were pentachloronitrobenzene and pentachlorofluorobenzene.
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