Process for producing 4-aminodiphenylamine

Details Process for producing 4-aminodiphenylamine Process for producing 4-aminodiphenylamine

C - Chemistry, Metallurgy

07

C

C07C 211/54 (2006.01) C07C 209/36 (2006.01) C07C 211/55 (2006.01)

Patent

CA 2231068

4-aminodiphenylamines are produced by hydrogenating nitrobenzene with hydrogen in the presence of bases containing hydroxide and/or oxide groups and heterogeneous catalysts and in the presence of inert aprotic solvents at temperatures of 0 to 200 °C and pressures of 0.1 to 150 bars.

La 4-aminodiphénylamine est produite par l'hydrogénation de nitrobenzène dans des bases contenant des groupes hydroxyde et/ou oxyde et des catalyseurs hétérogènes et dans des solvants aprotiques inertes, à des températures variant entre 0 et 200 degrés Celsius et à des pressions variant entre 0,1 et 150 bars.

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