• β-pinene oxidation by hydrogen peroxide catalyzed by modified niobium-mcm

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    جزئیات بیشتر مقاله
    • تاریخ ارائه: 1392/07/24
    • تاریخ انتشار در تی پی بین: 1392/07/24
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    • شماره تماس دبیرخانه رویداد: -
     although solid niobium has a high surface area, its high lewis and brønsted acidity is a drawback that always compromises its catalytic performance in oxidation reactions. in this work, treating the niobium catalyst with hydrogen peroxide circumvents this disadvantage and results in a significant increase in the selectivity of the oxidation of β-pinene. in addition, the efficiency of the niobium catalysts supported on mcm was investigated. nb-mcm//h2o2 and nb-mcm were the most active catalysts. good selectivity of up to 85% at a 93–97% substrate conversion has been achieved. the catalyst can easily be recovered and reused several times without loss in activity.

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