Process for preparing fluorobenzonitriles

Details Process for preparing fluorobenzonitriles Process for preparing fluorobenzonitriles

1994-07-19

1995-11-14

Brust, Joseph Paul

Organic compounds -- part of the class 532-570 series

Organic compounds

Nitriles

C07C25330

Patent

active

054668590

ABSTRACT:
Fluorobenzonitriles and chlorofluorobenzonitriles are prepared in an advantageous manner from the corresponding chlorobenzonitriles and an alkali metal fluoride in a chlorine-fluorine exchange reaction, by catalyzing the reaction with a quaternary ammonium compound comprising at least one alkoxypolyoxyalkyl radical.

REFERENCES:
patent: 4351777 (1982-09-01), Ramanadin et al.
patent: 4952719 (1990-08-01), Maul et al.
patent: 4978769 (1990-12-01), Kysela et al.
patent: 5153350 (1992-10-01), Braish
patent: 5237087 (1993-08-01), Clark et al.

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