Process for preparing ortho substituted aryl fluorides

Details Process for preparing ortho substituted aryl fluorides Process for preparing ortho substituted aryl fluorides

1974-08-30

1976-04-13

Horwitz, D.

Chemistry of carbon compounds

Miscellaneous organic carbon compounds

C-metal

260651F, 260900, C07C 2513

Patent

active

039504441

ABSTRACT:
A process is provided for preparing ortho substituted aryl fluorides from corresponding diazonium fluorides. More particularly, the invention relates to a method for thermally decomposing diazonium fluorides substituted in the ortho position with halogen or trihalomethyl to a corresponding aryl fluoride. The method involves heating the diazonium fluoride to a temperature above its decomposition temperature and above the temperature at which the resulting product distills by contacting the same with a heat exchange medium at a temperature in the range of 100.degree.-350.degree.C.

REFERENCES:
patent: 2705730 (1955-04-01), Head
patent: 3160623 (1964-12-01), Anello et al.

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