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Probable mechanism for alkane oxidation with H2O2 over VS-2

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Abstract

Metallosilicate zeolites containing Ti and V, TS-2 and VS-2, have been synthesized using tetrabutylammonium cation as the template. Although both Ti and V exist in zeolite framework in a highly dispersed state, V easily leaches by K2CO3 or H2O2 treatments in contrast to Ti. Spin trapping experiments and relative reactivity of linear/cyclic alkanes indicate that the oxidation of alkanes over TS-2 and VS-2 proceed by different mechanisms; it is conceivable that the oxidation occurs by way of the attack of ·OH species produced from the V species in the zeolite framework with H2O2.

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Authors and Affiliations

  1. Engineering Research Institute, Faculty of Engineering, The University of Tokyo, Yayoi, 113, Tokyo, Japan

    Takashi Tatsumi, Yosiaki Watanabe, Yoshiro Hirasawa & Junichi Tsuchiya

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  1. Takashi Tatsumi
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  2. Yosiaki Watanabe
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  3. Yoshiro Hirasawa
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  4. Junichi Tsuchiya
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Tatsumi, T., Watanabe, Y., Hirasawa, Y. et al. Probable mechanism for alkane oxidation with H2O2 over VS-2. Res. Chem. Intermed. 24, 529–540 (1998). https://doi.org/10.1163/156856798X00050

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  • DOI: https://doi.org/10.1163/156856798X00050

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