Probable mechanism for alkane oxidation with H2O2 over VS-2

被引：0
作者：
Takashi Tatsumi
Yosiaki Watanabe
Yoshiro Hirasawa
Junichi Tsuchiya
机构：
[1] The University of Tokyo,Engineering Research Institute, Faculty of Engineering
来源：
Research on Chemical Intermediates | 1998年 / 24卷
关键词：
Zeolite; Vanadium; Alkane Oxidation; Zeolite Framework; Spin Adduct;
D O I：
暂无
中图分类号：
学科分类号：
摘要：
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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页码：529 / 540
页数：11
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