نتایج جستجو برای: aerobic alcohol oxidation
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The liquid phase oxidation of benzyl alcohol is an important reaction for generating benzaldehyde and benzoic acid that are largely required in the perfumery and pharmaceutical industries. The current production systems suffer from either low conversion or over oxidation. From the viewpoint of economy efficiency and environmental demand, we are aiming to develop new high-performance and cost-ef...
We have recently proposed the existence of a bacteriological pathway for ethanol oxidation, i.e. ethanol is oxidized by alcohol dehydrogenase of intestinal bacteria resulting in high intracolonic levels of reactive and toxic acetaldehyde. This study was aimed to examine aldehyde dehydrogenase (ALDH) activity, acetaldehyde consumption and production of acetate by aerobic bacteria (n = 27), repre...
Catalytic aerobic dehydrogenation of organic substrates is going through a Renaissance. Recent advances in this area have led to the discovery of palladium-catalyzed alcohol dehydrogenations and oxidative heteroand carbocyclizations. The development of asymmetric catalytic dehydrogenations is the latest advance in a long line of catalytic asymmetric oxidation reactions. Introduction Asymmetric ...
• Catalytic oxidation of benzyl alcohol to benzaldehyde over MnO x catalysts is analyzed in the DFT framework. Oxidation reactivity and selectivity cluster-sized Mn 4 O 8 9 catalytic models compared. Catalyst poisoning addressed by investigating formation benzoic acid following that benzaldehyde. Reaction steps related pathways are collected an original kinetic approach. Experimental strategies...
Hierarchically porous (HP) zeotype materials (possessing both micropores and mesopores) offer improved diffusional access to intra-framework active sites, analogous mesoporous materials, yet retain the high selectivity of microporous (MP) bulk. We have recently designed crystalline hierarchically silicoaluminophosphates (SAPOs) with enhanced mass-transport characteristics, which can lead signif...
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