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Published in 2021 at "Research on Chemical Intermediates"
DOI: 10.1007/s11164-020-04342-1
Abstract: Ammoxidation of m -xylene is evaluated in the presence of a customized heteropoly acid catalyst as an imidazole/molybdovanadophosphoric acid (imidazole/PMoV). Imidazole is employed to maintain its heterogeneous phase during the ammoxidation reaction and to provide…
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Keywords:
pmov;
imidazole pmov;
xylene;
heteropoly acid ... See more keywords
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Published in 2018 at "Chemical Papers"
DOI: 10.1007/s11696-018-0617-1
Abstract: A series of Mo/ZSM-5 catalysts prepared by solid-state ion exchange at different Mo/Al molar ratios were characterized and tested in ethane and ethylene ammoxidation into acetonitrile. It has been concluded that the low-exchanged solid (Mo/Al = 0.2)…
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Keywords:
ammoxidation;
properties low;
physicochemical catalytic;
low exchanged ... See more keywords
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Published in 2021 at "Molecular Catalysis"
DOI: 10.1016/j.mcat.2021.111885
Abstract: Abstract o-Chlorotoluene (o-CT) ammoxidation to prepare o-chlorobenzonitrile (o-CBN) was investigated on Al2O3-ZrO2 supported V2O5 catalysts in the temperature range of 360 to 420 °C. A set of vanadium oxide supported on mixed oxides with varying its…
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Keywords:
al2o3 zro2;
ammoxidation;
chlorotoluene;
mixed oxides ... See more keywords
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Published in 2019 at "Solid State Sciences"
DOI: 10.1016/j.solidstatesciences.2019.04.008
Abstract: Abstract Ethane ammoxidation into acetonitrile (AN) was successfully catalyzed by Co/BEA solids issued from improved preparation methods. The catalyst issued from the impregnation of [Co(NH3)6]2+ complex into BEA zeolite is very active in ethane ammoxidation…
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Keywords:
preparation methods;
ethane;
ethane ammoxidation;
improvement conventional ... See more keywords
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Published in 2022 at "ACS Omega"
DOI: 10.1021/acsomega.2c00039
Abstract: A microreactor (MR) with a vaporization microchamber and a sinusoidal wave microchannel was fabricated to synthesize 2-cyanopyrazine (CP) directly with an aqueous 2-methylpyrazine (MP) solution. A continuous-flow process with high space-time yield was achieved under…
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Keywords:
space;
time yield;
ammoxidation;
yield ... See more keywords
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Published in 2022 at "Journal of the American Chemical Society"
DOI: 10.1021/jacs.2c07061
Abstract: Catalytic ammoxidation of alcohols into nitriles is an essential reaction in organic synthesis. While highly desirable, conducting the synthesis at room temperature is challenging, using NH3 as the nitrogen source, O2 as the oxidant, and…
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Keywords:
yields aerobic;
high nitrile;
nitrile yields;
ammoxidation alcohols ... See more keywords
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Published in 2018 at "Catalysts"
DOI: 10.3390/catal8030103
Abstract: Multifunctionality is the hallmark of most modern commercial heterogeneous catalyst systems in use today, including those used for the selective ammoxidation of propylene to acrylonitrile. It is the quintessential principle underlying commercial catalyst design efforts…
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Keywords:
oxide selective;
multifunctionality;
metal oxide;
ammoxidation ... See more keywords