Results 31 to 40 of about 2,176,446 (301)

Understanding the effects of solvents on the hydrogenation of toluene over supported Pd and Ru catalysts

open access: yesCatalysis Communications, 2021
The effects of solvents (n-hexane, isopropanol (IPA), tetrahydrofuran (THF) and methanol) on the hydrogenation of toluene over the Pd/SiO2 and Ru/SiO2 catalysts were studied.
Shiling Zhao   +3 more
doaj   +1 more source

Transfer hydrogenation catalysis in cells

open access: yesRSC Chemical Biology, 2021
Recent developments in transfer hydrogenation catalysis and photocatalysis in cancer cells by synthetic metal complexes are reviewed. They offer exciting new ways to modulate biochemical pathways for drug development and biotechnology.
Samya Banerjee, Peter J. Sadler
openaire   +3 more sources

A thermoregulated phase-transfer ruthenium nanocatalyst for the atmospheric hydrogenation of α,β-unsaturated ketones

open access: yesJournal of Chemical Research, 2023
The selective hydrogenation of chalcone to dihydrochalcone under atmospheric hydrogen pressure is investigated using a thermoregulated phase-transfer ruthenium nanocatalyst, representing the first ruthenium nanocatalyst used for this reaction.
Bin Gao, Yanhua Wang
doaj   +1 more source

Planar Cationic Imine Radical Iodide Charge Transfer Complexes: Key Intermediates for Iodine-(co)catalyzed Homogenous Asymmetric Hydrogenation of N-Arylimines [PDF]

open access: yes, 2023
The mechanism of why both reactivity and enantioselectivity remarkably improves by adding an iodide and an acid in Ir-catalyzed asymmetric hydrogenation of N-arylimines is a decades’ mystery.
Liuqun, Gu
core   +1 more source

Iridium-Catalyzed asymmetric hydrogenation : A: Studies on the synthesis of pyrazine-based P,N Ligands, B: Diastereoselective hydrogenation of chiral cyclohexenes [PDF]

open access: yes, 2016
The synthesis of a new ligand class of pyrazine based ligands and their attempted complexation with iridium to form dimeric complexes is presented. Furthermore, the synthesis of chiral cyclohexenes by enantioselective Diels-Alder reactions is shown ...
Scheil, Robin
core   +1 more source

Enantioselective synthesis of aziridines using asymmetric transfer hydrogenation as a precursor for chiral derivatives used as bonding agent for rocket solid propellants

open access: yesQuímica Nova, 2002
A rapid, expedient and enantioselective method for the synthesis of beta-hydroxy amines and monosubstituted aziridines in up to 99% e.e., via asymmetric transfer hydrogenation of a-amino ketones and cyclisation through treatment with tosyl chloride and ...
Aparecida M. Kawamoto, Martin Wills
doaj   +1 more source

Hydrogenation of Nitrobenzene in Trickle Bed Reactor over Ni/Sio2 Catalyst

open access: yesJournal of Engineering, 2023
Trickle bed reactor was used to study the hydrogenation of nitrobenzene over Ni/SiO2 catalyst. The catalyst was prepared using the Highly Dispersed Catalyst (HDC) technique.
Majid I. Abdulwahab
doaj   +1 more source

Decoupling Electron and Proton Transfer in Noncontact Catalytic Hydrogenation of Nitroaromatics

open access: yesAdvanced Science
Understanding the elementary reactions of active hydrogen species and electron transfer mechanisms during catalytic hydrogenation remains a fundamental challenge.
Zhongyin Liang   +3 more
doaj   +1 more source

Impact of Microchannel Reactor Design on Ethanol Synthesis via CO2 Hydrogenation: A CFD Approach [PDF]

open access: yesE3S Web of Conferences
Computational fluid dynamics (CFD) was used to investigate the impact of reactor geometry on ethanol synthesis via carbon dioxide hydrogenation in a microchannel reactor with integrated cooling channel.
Narciso Josephine, Mendoza Joseph Albert
doaj   +1 more source

Transfer hydrogenation of methyl levulinate with methanol to gamma valerolactone over Cu-ZrO2: A sustainable approach to liquid fuels

open access: yesCatalysis Communications, 2022
Cu-ZrO2 is demonstrated to be a highly effective catalyst for the transfer hydrogenation of methyl levulinate to γ-valerolactone, using methanol as the hydrogen donor.
Mark Douthwaite   +6 more
doaj   +1 more source

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