نتایج جستجو برای: oxidative coupling of methane
تعداد نتایج: 21200565 فیلتر نتایج به سال:
oxidative addition reactions of 1,4-diiodo-butane and 1,3-diiodo-propane with [ptme2(ph2phen)]; in which ph2phen=4,7-diphenyl-1,10-phenanthroline, were studied in different solvents such as acetone and benzene.oxidative addition reaction of [pt me2(ph2phen)] with i(ch2)4i and i(ch2)3i produced the [pt me2i(ch2)4(ph2phen)i] (1a) and [pt me2i(ch2)3(ph2phen)i] (1b).all the platinum (iv) products w...
The silver-catalyzed, oxidative coupling of methane to C2 hydrocarbons (OCM) is shown to be an extremely structure-sensitive reaction. Reaction-induced changes in the silver morphology lead to changes in the nature and extent of formation of various bulk and surface -terminating crystal structures. This, in-turn, impacts the adsorption properties and diffusivity of oxygen in silver which is nec...
The facile and clean oxidative biaryl coupling reaction of thiophenes and pyrroles has been achieved using the recyclable hypervalent iodine(III) reagents having adamantane or methane structures. These iodine(III) reagents could be recovered from the reaction mixtures by a simple solid-liquid separation, i.e., filtration.
High activity towards oxidative coupling of methane and high selectivity for C2 hydrocarbons could be achieved over La2O3 nanorods with a large surface area, strong surface basic sites, electron deficient surface oxygen species and defined surface structure compared with La2O3 nanoparticles at low temperature.
Unveiling current issues in the investigation of highly-active heterogeneous catalysts using machine learning engineering techniques was discussed case oxidative coupling methane with support vector regression and Bayesian optimization.
Selective coupling of methyl radicals to produce C 2 species (C H 4 and 6 ) is a key challenge for oxidative methane (OCM). In traditional OCM reaction systems, homogeneous transformation in O -containing gases are uncontrollable, resulting limited selectivity yield. Herein, we demonstrate that generated by La 3 at low temperature can selectively couple on the surface 5 wt% Na WO /SiO . The con...
A method to use the concept of directed evolution synthesize new catalysts for oxidative coupling methane (OCM) in silico via a combination genetic algorithm and machine learning (ML) is described.
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