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Updated: Feb 19, 2026

Preparation of Polyoxometalate-based Photo-responsive Membranes for the Photo-activation of Manganese Oxide Catalysts
05:47

Preparation of Polyoxometalate-based Photo-responsive Membranes for the Photo-activation of Manganese Oxide Catalysts

Published on: August 7, 2018

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六角形のマンガン基スピネルナノシートで,オ-ジクロロベンゼンエンの効率的な触媒酸化のためのユニークなインターフェイスがあります

Weitong Ling1, Shiying Fan1, Xinyong Li1

  • 1State Key Laboratory of Fine Chemicals and Key Laboratory of Industrial Ecology and Environmental Engineering (MOE), School of Environmental Science & Technology, University of Technology, Dalian 116024, China.

Journal of hazardous materials
|February 17, 2026
PubMed
まとめ

新しいコバルト改性マンガン酸化物触媒は,塩素化揮発性有機化合物 (CVOC) を効率的に除去します. そのユニークなインターフェースは,環境修復のための触媒活動と安定性を高めます.

キーワード:
酸性サイトは酸性サイトです.触媒反応のメカニズムは,触媒反応のメカニズムです.塩素化された揮発性有機化合物オキシジンの空いた求人は,構造の進化は,構造的な進化である.

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Radical Oxidation of Allylic and Benzylic Alcohols

Activated manganese(IV) oxide can selectively oxidize allylic and benzylic alcohols via a radical intermediate mechanism. Primary allylic alcohols are oxidized to aldehydes, while secondary allylic alcohols yield ketones. The redox reaction of potassium permanganate with an Mn(II) salt such as manganese sulfate (under either alkaline or acidic conditions), followed by thorough drying, yields the oxidizing agent: activated MnO2. While MnO2 is insoluble in the solvents used for the reaction, the...
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Unlike the easy catalytic hydrogenation of an alkene double bond, hydrogenation of a benzene double bond under similar reaction conditions does not take place easily. For example, in the reduction of stilbene, the benzene ring remains unaffected while the alkene bond gets reduced. Hydrogenation of an alkene double bond is exothermic and a favorable process. In contrast, to hydrogenate the first unsaturated bond of benzene, an energy input is needed; that is, the process is endothermic. This is...
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Oxidation of Alkenes: Syn Dihydroxylation with Potassium Permanganate

Alkenes can be dihydroxylated using potassium permanganate.  The method encompasses the reaction of an alkene with a cold, dilute solution of potassium permanganate under basic conditions to form a cis-diol along with a brown precipitate of manganese dioxide.
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Reactions at the Benzylic Position: Oxidation and Reduction

The benzylic position describes the position of a carbon atom attached directly to a benzene ring. Benzene by itself does not undergo oxidation. In contrast, the benzylic carbon is quite reactive in the presence of strong oxidizing agents such as KMnO4 or H2CrO4. Therefore, alkylbenzenes are readily oxidized to benzoic acid, irrespective of the type of alkyl groups.
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Alkenes are converted to 1,2-diols or glycols through a process called dihydroxylation. It involves the addition of two hydroxyl groups across the double bond with two different stereochemical approaches, namely anti and syn. Dihydroxylation using osmium tetroxide progresses with syn stereochemistry.
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Benzene to 1,4-Cyclohexadiene: Birch Reduction Mechanism

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