C - Chemistry – Metallurgy – 07 – C
Patent
C - Chemistry, Metallurgy
07
C
C07C 211/55 (2006.01) B01J 31/18 (2006.01) C07C 209/10 (2006.01) C07C 209/36 (2006.01)
Patent
CA 2454875
The present invention relates to a process for the preparation of nitrodiphenyl- amines by reaction of nitrohalogens with anilines, a base and a catalyst, and to a process for the preparation of aminodiphenylamine by hydrogenation of the nitrodiphenylamine intermediately prepared.
Ganzer Dirk
Haider Joachim
Kunz Klaus
Scholz Ulrich
Sicheneder Adolf
Aktiengesellschaft Bayer
Fetherstonhaugh & Co.
Lanxess Deutschland Gmbh
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