Para-nitrodiphenylamine synthesis

B - Operations – Transporting – 01 – J

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B01J 23/06 (2006.01) B01J 27/00 (2006.01) B01J 31/04 (2006.01)

Patent

CA 1259631

ABSTRACT OF THE DISCLOSURE PARA-NITRODIPHENYLAMINE SYNTHESIS There is disclosed a process for the synthesis of para-nitrodiphenylamines via the Formanilide Process wherein the improvement is characterized in that a specific catalyst is utilized. More specifically, a zinc (II) compound (zinc in the plus two oxidation or valence state), is used as a catalyst in the preparation of para-nitrodiphenylamines via the formanilide process.

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