Process for the production of aminodiphenylamines

Details Process for the production of aminodiphenylamines Process for the production of aminodiphenylamines

C - Chemistry, Metallurgy

07

C

C07C 211/55 (2006.01) C07C 209/10 (2006.01) C07C 209/36 (2006.01) C07C 211/56 (2006.01)

Patent

CA 2454455

The present invention relates to a process for the production of aminodiphenyl- amines, such as 4-aminodiphenylamine (4-ADPA), by reacting nitrohalogenated benzenes with anilines in the presence of a base as well as a copper- phosphorus complex, followed by hydrogenation of the intermediately formed nitrodiphenyl- amines.

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