Process for preparing ortho-nitrobenzonitriles

Details Process for preparing ortho-nitrobenzonitriles Process for preparing ortho-nitrobenzonitriles

1996-08-16

1998-01-06

Richter, Johann

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

Organic compounds

Nitriles

C07C25314

Patent

active

057056749

ABSTRACT:
The present invention relates to a process for preparing ortho-nitrobenzonitriles of the formula I, ##STR1## where R.sup.1 and R.sup.2 are as defined in claim 1, by reacting the corresponding ortho-fluoronitrobenzenes with alkali metal cyanides or cyanide-donating substances in the presence of phase transfer catalysts.

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Finger, G. C., et al., J. M. Chem. 78: 6034-6037 (1956).
Johnson, N. P., et al, J. Chem. Soc.: 1054-1067 (1964).
Dehmlow, E. V., Angew. Chemie 86: 187-197 (1974).
Maggini, M., et al, Org. Chemie 56: 6406-6411 (1991).
Gorvin, J. H., J. Chem. Soc. Comm: 972-975 (1976).

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