Process of preparing para phenylamines

Organic compounds -- part of the class 532-570 series – Organic compounds – Amino nitrogen containing

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564395, 564420, 564422, 564434, C07C20936

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active

054203546

ABSTRACT:
A process of preparing para phenylenediamines, such as, p-aminodiphenylamine. The process involves contacting nitrobenzene or a substituted derivative thereof with hydrogen and an amine, such as aniline, in the presence of a hydrogenation catalyst, a hydrogenation inhibitor, and an acid cocatalyst under reaction conditions.

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