Process for the preparation of 4-aminodiphenylamine

Details Process for the preparation of 4-aminodiphenylamine Process for the preparation of 4-aminodiphenylamine

1999-03-08

1999-11-30

Killos, Paul J.

Organic compounds -- part of the class 532-570 series

Organic compounds

Amino nitrogen containing

564415, 564433, 564434, C07C20900

Patent

active

059945842

ABSTRACT:
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.degree. C. and pressures from 0.1 to 150 bar.

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