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Nickel catalysis for hydrogenation of p-dinitrobenzene to p-phenylenediamine


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Abstract

The activity of supported nickel catalysts (5–20% Ni) in the hydrogenation of p-dinitrobenzene to p-phenylenediamine was investigated. The catalysts were obtained by ureainduced precipitation. Activated carbon, alumina, titania, and silica gel were evaluated as supports. The most active catalysts, 5%Ni/TiO2 and 20%Ni/SiO2, provided 50–54% yields of p-phenylenediamine at complete dinitrobenzene conversion.

About the authors

E. V. Shuvalova

N. D. Zelinsky Institute of Organic Chemistry, Russian Academy of Sciences

Author for correspondence.
Email: evshouvalova@yandex.ru
Russian Federation, 47 Leninsky prosp., Moscow, 119991

O. A. Kirichenko

N. D. Zelinsky Institute of Organic Chemistry, Russian Academy of Sciences

Email: evshouvalova@yandex.ru
Russian Federation, 47 Leninsky prosp., Moscow, 119991

L. M. Kustov

N. D. Zelinsky Institute of Organic Chemistry, Russian Academy of Sciences; Department of Chemistry, M. V. Lomonosov Moscow State University

Email: evshouvalova@yandex.ru
Russian Federation, 47 Leninsky prosp., Moscow, 119991; Build. 3, 1 Leninskie Gory, Moscow, 119992

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