A process for the preparation of 4-aminodiphenylamine

Details A process for the preparation of 4-aminodiphenylamine A process for the preparation of 4-aminodiphenylamine

C - Chemistry, Metallurgy

07

C

C07C 211/55 (2006.01) C07C 209/36 (2006.01) C07C 209/38 (2006.01)

Patent

CA 2265159

4-Aminodiphenylamines are prepared by hydrogenating nitrosobenzene or mixtures of nitrosobenzene and nitrobenzene with hydrogen in the presence of fluorides and heterogeneous catalysts in inert aprotic solvents at temperatures from 0 to 200°C and pressures from 0.1 to 150 bar.

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