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首页> 外文期刊>Bulletin of the Chemical Society of Japan >Aerobic Oxidation of Sulfides to Sulfoxides Catalyzed by Gold/Manganese Oxides
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Aerobic Oxidation of Sulfides to Sulfoxides Catalyzed by Gold/Manganese Oxides

机译:通过金/锰氧化物催化的硫化亚硫化物的有氧氧化

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摘要

Although selective oxidation of sulfides to sulfoxides with molecular oxygen is a difficult reaction due to the overoxidation to sulfone, manganese oxides were found to catalyze the aerobic oxidation of sulfides to sulfoxides in 1,2-dichlorobenzene at 100 degrees C with a high selectivity above 99%. The catalytic activity depends on the preparation methods and conditions of manganese oxides but not on the valences of manganese. The deposition of Pd and Pt on manganese oxides was detrimental, whereas the deposition of Au enhanced the catalytic activity and selectivity.
机译:虽然具有分子氧的选择性氧化硫化物与亚砜,但由于砜的过度氧化,发现锰氧化物在100℃下以高于99的选择性催化在1,2-二氯苯中硫化物中的硫化物氧化在亚砜中。 %。 催化活性取决于锰氧化物的制备方法和条件,但不是锰的级。 Pd和Pt在锰氧化物上的沉积是有害的,而Au的沉积增强了催化活性和选择性。

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    Tokyo Metropolitan Univ Dept Appl Chem Grad Sch Urban Environm Sci Hachioji Tokyo 1920397 Japan;

    Univ Politecn Valencia Consejo Super Invest Cient Inst Tecnol Quim Valencia 46022 Spain;

    Univ Politecn Valencia Consejo Super Invest Cient Inst Tecnol Quim Valencia 46022 Spain;

    Univ Politecn Valencia Consejo Super Invest Cient Inst Tecnol Quim Valencia 46022 Spain;

    Tokyo Metropolitan Univ Dept Appl Chem Grad Sch Urban Environm Sci Hachioji Tokyo 1920397 Japan;

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  • 正文语种 eng
  • 中图分类 化学;
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