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Transition metal substituted tungstophosphoric compound catalyzed oxidation of hexanol to hexanal with hydrogen peroxide

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Summary

The oxidation of hexanol in the presence of the Keggin-type heteropoly compounds (HPCs) H3PMonW12-nO40 (denoted as PMonW12-n, n=0,1) and Na5PW11ZO39 (denoted as PW11Z, Z = Mn, Fe, Co, Ni, Cu and Zn) was carried out to produce hexanal and hexanoic acid. The reaction was conducted in tert-butanol (t-BuOH), using cetylpyridinium bromide (CPB) salts of HPA and 15% aqueous H2O2 as oxidant under mild condition. The PMoW11 catalyst showed higher hexanol conversion of 25%, the lowest selectivity to hexanal of 64.4% and an efficient utilization of H2O2 of 34%. Over the transition metal substituted PW11Z catalysts decomposition of H2O2 was rapid. For these PW11Z catalysts, the efficient utilization of H2O2 decreased to 9% or even lower. By means of IR, UV-visible and GC-MS techniques the catalysts were characterized.

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Authors and Affiliations

  1. College of Chemistry, Jilin University, Changchun, P.R. China, 130021

    Guangdong Zhou

  2. College of Chemistry, Jilin Normal University, Siping, P. R. China, 136000

    Zhanlin Xu

  3. College of Chemistry, Jilin University, Changchun, P.R. China, 130021

    Xiaohong Guo

  4. College of Chemistry, Jilin University, Changchun, P.R. China, 130021

    Hong Zhuang

  5. College of Chemistry, Jilin University, Changchun, P.R. China, 130021

    Yanan Li

  6. College of Chemistry, Jilin University, Changchun, P.R. China, 130021

    Xueju Lü

  7. College of Chemistry, Jilin University, Changchun, P.R. China, 130021

    Tiexin Cheng

  8. College of Chemistry, Jilin University, Changchun, P.R. China, 130021

    Wenxing Li

  9. College of Chemistry, Jilin University, Changchun, P.R. China, 130021

    Kaiji Zhen

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  1. Guangdong Zhou
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  2. Zhanlin Xu
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  3. Xiaohong Guo
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  4. Hong Zhuang
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  5. Yanan Li
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  6. Xueju Lü
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  7. Tiexin Cheng
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  8. Wenxing Li
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  9. Kaiji Zhen
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Zhou, G., Xu, Z., Guo, X. et al. Transition metal substituted tungstophosphoric compound catalyzed oxidation of hexanol to hexanal with hydrogen peroxide. React Kinet Catal Lett 85, 57–64 (2005). https://doi.org/10.1007/s11144-005-0243-0

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  • DOI: https://doi.org/10.1007/s11144-005-0243-0

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