Journal
ORGANIC PROCESS RESEARCH & DEVELOPMENT
Volume 5, Issue 3, Pages 257-262Publisher
AMER CHEMICAL SOC
DOI: 10.1021/op9900380
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p-Chloronitrobenzene (p-CNB) was selectively hydrogenated to p-chloroaniline (p-CA) using 5% Pt/C as catalyst. Using Pt/C as catalyst and with the proper choice of process conditions it was possible to obtain p-CA with 99% selectivity at a conversion level of 85%; implying that hydro-dehalogenation is minimized. The reaction was first order with respect to hydrogen and first order with respect to p-CNB, The energy of activation was 10.2 kcal/gmole.
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