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A novel iron(III)-based heterogeneous catalyst for aqueous oxidation of alcohols using molecular oxygen

机译:使用分子氧的醇氧化醇氧化的新型铁(III)的非均相催化剂

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摘要

A novel silica supported iron(III)-based heterogeneous catalyst (FeCl3-imine@SiO2) has been synthesized and characterized by several techniques, such as FTIR, nitrogen adsorption analysis (BET), SEM-EDX, XRD, EPR, AAS and XPS analyses. The catalyst showed excellent activity for selective oxidation of alcohols to corresponding carbonyl compounds in water under atmospheric pressure of oxygen without using any additive. Notably, the heterogeneous catalyst showed remarkable improvement over its homogeneous counterpart, which might be attributable to the synergic effect between the metal and the supported ligand. The catalyst could be easily recovered by simple filtration and reused several times without compromising its activity. A wide range of primary and secondary alcohols including heterocyclic alcohols are tolerated as substrates.
机译:已经合成了一种新型二氧化硅支持的铁(III)的异构催化剂(FECL3-亚胺@ SiO 2),其特征在于几种技术,例如FTIR,氮吸附分析(BET),SEM-EDX,XRD,EPR,AAS和XPS 分析。 催化剂显示出优异的活性,用于在氧气压力下在水中的相应羰基化合物在氧气的情况下选择性氧化而不使用任何添加剂。 值得注意的是,异质催化剂在其均匀的对应物上显示出显着的改善,这可能是由于金属和负载的配体之间的协同作用。 催化剂可以通过简单的过滤容易地回收并重复使用几次而不损害其活性。 包括杂环醇的各种初级和次级醇作为基材被耐受。

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  • 来源
    《RSC Advances》 |2015年第96期|共8页
  • 作者单位

    Dibrugarh Univ Dept Chem Dibrugarh 786004 Assam India;

    Univ Aveiro CICECO Aveiro Inst Mat P-3800 Aveiro Portugal;

    Dibrugarh Univ Dept Chem Dibrugarh 786004 Assam India;

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  • 原文格式 PDF
  • 正文语种 eng
  • 中图分类 化学;
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