Process for preparing ortho-nitrobenzonitriles

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

C - Chemistry, Metallurgy

07

C

C07C 255/50 (2006.01) C07C 253/14 (2006.01) C07C 255/57 (2006.01) C07C 315/04 (2006.01) C07C 317/32 (2006.01)

Patent

CA 2183409

The present invention relates to a process for preparing ortho- nitrobenzonitriles of the formula 1, Image (I) where R1 and R2 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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