Preparation of substituted aromatic amines

Details Preparation of substituted aromatic amines Preparation of substituted aromatic amines

1999-06-14

2000-05-30

Killos, Paul J.

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

Organic compounds

Amino nitrogen containing

564434, 564442, 564163, C07C21100

Patent

active

060692790

ABSTRACT:
A method for the preparation of aromatic amines such as N-phenyl-p-phenylenediamine wherein an aromatic amine such as aniline is oxidized with oxygen or hydrogen peroxide in the presence of a metal pentacyano ferrate(II) complex, includes subsequent catalytic reduction of the complex by hydrogenation in the presence of a metal catalyst having at least two Group VIII metals, preferably platinum in combination with ruthenium either together on a single carbon support or each metal separately on carbon supports.

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