Journal of Fluorine Chemistry p. 289 - 291 (1992)
Update date:2022-08-17
Topics:
Kimura, Yoshikazu
Suzuki, Hiroshi
Halogen exchange of 1,2,4,5-tetrachlorobenzene with spray-dried potassium fluoride has been found to proceed smoothly using 1,3-dimethyl-2-imidazolidinone as a solvent at 300 deg C in a pressure reactor to give 2,4,5-trifluorochlorobenzene without any rearrangement.
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