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中文摘要：
考察了丙烷以及丙烷选择氧化反应的有关中间体或其探针分子（如丙烯、烯丙醇、异丙醇和正丙醇）和产物（如丙烯醛、丙酮和丙醛）在MoPO／SiO2催化剂上的反应行为，用以探明该催化剂上丙烷选择氧化制丙烯醛反应的可能路径．结果表明，异丙氧基是MoPO／SiO2催化剂上丙烷选择氧化制丙烯醛反应的主要中间体，异丙氧基脱β-H生成丙烯或脱α—H生成丙酮，而丙烯则经σ-氧烯丙基转化为丙烯醛．
英文摘要：
To elucidate possible reaction pathways for propane selective oxidation to acrolein over the MoPO/ SiO2 catalyst, oxidative conversions of propane and possible intermediates or their probe molecules as well as the reaction products of the selective oxidation of propane to acrolein on the catalyst were studied. The results suggested that isopropoxy species is one of the intermediates for the selective oxidation of propane to acrolein over the MoPO/SiO2 catalyst. The isopropoxy species can be converted either to acetone by dehydrogenation or to propene by β -hydrogen elimination, and the latter can be further converted to acrolein through an allylic process.
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