Topic
Nitrobenzene
About: Nitrobenzene is a research topic. Over the lifetime, 5285 publications have been published within this topic receiving 83368 citations. The topic is also known as: essence of mirbane & nitrobenzol.
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TL;DR: In this article, the synthesis and functionalization of imines and amines are key steps in the preparation of many fine chemicals and for pharmaceuticals in particular, and metal complexes are used as homogeneous catalysts for these organic transformations.
34 citations
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TL;DR: The palladium-phenanthroline catalyzed carbonylation reaction of nitrobenzene to methyl phenylcarbamate is known to be accelerated by both the addition of aniline and a carboxylic acid.
Abstract: The palladium–phenanthroline catalyzed carbonylation reaction of nitrobenzene to methyl phenylcarbamate is known to be accelerated by both the addition of aniline and a carboxylic acid. Here, we report that combining the acidic and amino function in the same molecule, 2-NH2C6H4COOH, anthranilic acid, an higher activity is observed with respect to the use of simple benzoic acid. The 4-amino isomer does not show the same increased activity. © 2003 Elsevier Science B.V. All rights reserved.
34 citations
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TL;DR: In this paper, the activity and selectivity of various MnOx catalysts for the selective reduction of nitrobenzene to nitrosobenzenes have been studied, measuring the rate in a continuous flow reactor.
34 citations
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TL;DR: In this article, the second-order rate constants for the reaction of substituted benzenes with iron-oxo intermediates (PDP*)FeV═O(OC(O)R)]2+ at −70 °C were determined.
Abstract: The reactivity of nonheme iron(V)–oxo intermediates toward aromatic C–H oxidation at −70 °C has been directly evaluated. The intermediates were generated upon the interaction of the ferric complex [(PDP*)FeIII(μ-OH)2FeIII(PDP*)](OTf)4 (4◊; PDP* = N,N′-bis(3,5-dimethyl-4-methoxypyridyl-2-methyl)-(S,S)-2,2′-bipyrrolidine) with peracetic acid in the presence of acetic or 2-ethylhexanoic acid. The second-order rate constants (k2) for the reaction of substituted benzenes with iron–oxo intermediates [(PDP*)FeV═O(OC(O)R)]2+ at −70 °C were determined (R = CH3, 3-heptyl). For more electron rich arenes, much higher k2 values were observed, increasing in the order nitrobenzene < acetophenone < chlorobenzene < benzene < toluene, in accordance with the electrophilic aromatic substitution mechanism. The catalytic oxidation of mono- and dialkylbenzenes with H2O2 proceeded with good efficiency (up to 36.5 TN per Fe atom) and high selectivity toward aromatic oxidation products (up to 91%).
34 citations
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TL;DR: In this article, the adsorption and ordering characteristics of a large group of organic compounds have been studied on the platinum (100) and (111) single-crystal surfaces.
34 citations