نتایج جستجو برای: nitrobenzene
تعداد نتایج: 1168 فیلتر نتایج به سال:
A porous one-dimensional coordination chain compound, [Ru(2)(p-F-PhCO(2))(4)(phz)] (; p-F-PhCO(2)(-) = para-fluorobenzoate; phz = phenazine) derived by drying its nitrobenzene-solvated compound, specifically adsorbs CO(2) at 195 K in a stepwise sorption manner.
The basic experimental setup and theory of microelectrochemical measurements at expanding droplets (MEMED) is described. A key strength of MEMED is that it can be used to sensitively probe reactive fluxes of spontaneous reactions at liquid/liquid interfaces, by directly measuring the concentration profiles of both reactant and product. This capability of MEMED is demonstrated via a model system...
The catalytic activity of Au nanoparticles in phenylboronic acid-containing polymer microgels can be tuned through the swelling-deswelling transition of the microgels in response to changes in glucose concentration. Upon adding glucose, the model catalytic reduction of hydrophilic 4-nitrophenol is accelerated, while the reduction of relatively more hydrophobic nitrobenzene slows down.
2014 Three types of short-time measurements using temporally incoherent light instead of short pulses are described. Electronic dephasing in a polydiacetylene film, vibrational dephasing in dimethylsulfoxide liquid, and relaxation of optical Kerr effect in CS2 and nitrobenzene were observed with femtosecond time resolution. Revue Phys. Appl. 22 (1987) -1785 DÉCEMBRE 1987, PAGE 1773
Protonated nitrobenzene can be used to dehydrogenate a range of hydrocarbons, which already possess at least one double bond. Kinetic and spectroscopic results, together with known electrode potentials, yield approximate limits within which protonated nitrobenzenes can be expected to effect dehydrogenation of hydroaromatic compounds. A high yielding synthesis of benzo[j]fluoranthene is described.
Cyclohexanone oxime is formed from nitrobenzene with 97% yield in a one-pot reaction catalysed by palladium and gold nanoparticles on carbon. The reaction is carried out under hydrogen at 60 °C and the overall transformation involves a multi-step catalysed mechanism from which intermediates and catalytically active species have been identified.
Palladium-catalyzed hydrogenation of an octahedral zinc trans-ditriflate hemiporphyrazine "HpH2Zn(OTf)2" furnishes a new macrocycle "HpH6Zn(OTf)2". This reaction is fully reversible upon heating in nitrobenzene, and the conversion is easily monitored by changes in color and fluorescence properties. The reversible cycling between these molecules may find future applications in hemiporphyrazine-b...
Changes in molecular forms of hepatic cytosolic glutathione S-transferases (GST) during rat chemical hepatocarcinogenesis were investigated. GST activities toward 1-chloro-2,4-dinitrobenzene and 1,2-dichloro-4-nitrobenzene increased with the in creased area of 7-glutamyltranspeptidase-positive foci and hyperplastic nodules induced by diethylnitrosamine followed by 2acetylaminofluorene plus hepa...
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