Journal of the Korean Chemical Society (대한화학회지)

Korean Chemical Society (대한화학회)
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Vanadium(IV)-Catalyzed Oxidation of Dimethylsulfoxide by Hydrogen Peroxide

바나듐(IV) 촉매존재하에서 과산화수소에 의한 디메틸술폭시드의 산화반응

  • Published : 1988.12.20
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Abstract

Kinetic studies on the vanadium(IV)-catalyzed oxidation of dimethylsulfoxide by hydrogen peroxide in water and aqueous methanol and ethanol show that the reaction is the first order in the concentration of dimethylsulfoxide and hydrogen peroxide, respectively. Activation parameters are also measured for the oxidation of dimethylsulfoxide. It is suggested that the rate determining step is a process involving oxidation of dimethylsulfoxide as the result of nucleophilic attack by the sulfur on the O-O bond of vanadium(V)-peroxide complex.

바나듐(IV)촉매가 존재하는 물 및 알코올 수용매에서 과산화수소에 의한 디메틸술폭시드의 산화반응은 디메틸술폭시드와 산농도에 각각 일차의존성임을 보여주었다. 이 산화반응의 속도 결정단게는 황이 바나듐(V)-과산화물의 O-O결합에 대하여 친핵적 공격을 함으로서 디메틸술폭시드가 산화되는 과정임을 제시한다.

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