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Highly efficient and selective hydrogenation of chloronitrobenzenes to chloroanilines by H-2 over confined silver nanoparticles

机译:在受限的银纳米颗粒上通过H-2高效选择性地将氯硝基苯氢化为氯苯胺

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摘要

Ag NPs with sizes ranging form 5-6 nm confined into mesoporous silica SBA-15 (Ag-NPs/SBA-15) are successfully prepared by a facile and rapid glucose/glycol assisted one-step vacuum impregnation method. The as-prepared Ag-NPs/SBA-15 catalyst shows very good activity and selectivity for hydrogenation of chloronitrobenzenes to the corresponding chloroanilines by H-2 compared with that of the SiO2 supported Ag catalysts. The robust catalytic performance of the as-prepared Ag-NPs/SBA-15 catalyst displays its potential application for the production of chloroanilines in the fine chemicals industry.
机译:通过简便,快速的葡萄糖/乙二醇辅助的一步真空浸渍法成功制备了尺寸范围为5-6 nm的银纳米颗粒,并限制在中孔二氧化硅SBA-15中(Ag-NPs / SBA-15)。与SiO 2负载的Ag催化剂相比,所制备的Ag-NPs / SBA-15催化剂显示出非常好的活性和选择性,其通过H-2将氯硝基苯氢化成相应的氯苯胺。所制备的Ag-NPs / SBA-15催化剂的强大催化性能显示出其在精细化工行业中生产氯苯胺的潜在应用。

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