Catalytic Oxidation of Aromatic Amines
Summary
The catalytic oxidation of aromatic amines encompasses a suite of processes in which primary and secondary amines attached to aromatic rings are selectively transformed into nitroso, nitro, azo, aldehyde or carboxylic acid derivatives. Such reactions are often mediated by heterogeneous or homogeneous catalysts, including transition‐metal complexes, polyoxometalates and metal‐oxide supports, and employ oxidants such as hydrogen peroxide, ozone or molecular oxygen. Control over reaction selectivity is achieved through fine‐tuning of catalyst composition, reaction medium and operational parameters, enabling the preferential formation of valuable intermediates for dyes, pharmaceuticals and agrochemicals. Beyond synthetic utility, catalytic oxidation plays a crucial role in environmental remediation, converting toxic nitroaromatic contaminants in wastewater into more benign products. Recent advances have focused on the development of robust, recyclable catalysts with high activity under mild conditions, continuous‐flow and electrochemical reactor designs for process intensification, and mechanistic elucidation to suppress undesired polymerisation or overoxidation. Taken together, these developments underscore the global significance of catalytic oxidation of aromatic amines in green chemistry and industrial sustainability.
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Catalytic Oxidation of Aromatic Amines publication trend
The graph below shows the total number of articles in catalytic oxidation of aromatic amines across all publications each year (not limited to Nature Index journals).
Technical terms
Aromatic amine: An organic compound in which an amino group is directly bonded to an aromatic ring.
Catalytic oxidation: A reaction in which a catalyst facilitates the transfer of oxygen or removal of hydrogen from a substrate.
Heteropolyoxometalate: A class of metal–oxygen cluster compounds used as redox‐active catalysts.
Ion‐radical mechanism: A reaction pathway involving radical cations or anions that propagate oxidation through single‐electron transfers.
Electrocatalysis: Catalytic processes driven by an applied electrical potential at an electrode surface.
References
- Catalytic oxidation of aniline by aqueous hydrogen peroxide in the presence of some heteropolyoxometalates. Journal of the Brazilian Chemical Society (2005).
- Дослідження рідиннофазної реакції 4-амінтолуену з озоном в присутності манганбромідного каталізатора. Technology audit and production reserves (2015).
- Study on the effect of electrocatalytic oxidation treatment of 2,4,6-Trinitrophenol wastewater. MATEC Web of Conferences (2018).
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