Method of preparing 4-aminodiphenylamine

Details Method of preparing 4-aminodiphenylamine Method of preparing 4-aminodiphenylamine

C - Chemistry, Metallurgy

07

C

C07C 209/30 (2006.01) C07C 209/02 (2006.01) C07C 209/36 (2006.01) C07C 209/38 (2006.01) C07C 209/60 (2006.01) C07C 211/54 (2006.01)

Patent

CA 2065056

07-21(724) ABSTRACT A method of producing 4-ADPA is disclosed wherein aniline and nitrobenzene are reacted under suitable conditions to produce 4-nitrodiphenylamine and/or 4-nitrosodiphenylamine and/or their salts, either or both of which are subsequently reduced to produce 4- ADPA. The 4-ADPA can be reductively alkylated to produce p-phenylenediamine products which are useful as antiozonants.

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