Efficient catalytic oxidation of methyl aromatic hydrocarbon with N-alkyl pyridinium salts

Qiaohong Zhang; Honghao He; Huibin Wang; Zhan Zhang; Chen Chen

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Efficient catalytic oxidation of methyl aromatic hydrocarbon with N-alkyl pyridinium salts

机译：高效催化氧化甲基芳烃与N-烷基吡啶鎓盐

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A series of N -alkyl pyridinium salts were synthesized and employed as metal-free catalyst for the selective oxidation of methyl aromatic hydrocarbon with molecular oxygen. The electronic effect of the substitutes was found to be an important factor for the catalytic performance. With the introduction of electron-donating substitute –N(CH _(3) ) _(2) , the conversion of p -xylene and selectivity of p -toluic acid could be simultaneously increased. 1-Benzyl-4- N , N -dimethylaminopyridinium salt showed the highest catalytic activity, and 95% conversion with 84% of selectivity to p -toluic acid could be obtained for the selective oxidation of p -xylene. Several methyl aromatic hydrocarbons could all be efficiently oxidized with the reported catalyst at the absence of any metal species.

机译：合成了一系列N-烷基吡啶盐，并用作无金属催化剂，用于选择性氧化甲基芳烃与分子氧。发现替代物的电子效果是催化性能的重要因素。随着电子赋予替代的替代 - N（CH _（3））_（2），可以同时增加对卟啉的转化和P-溶酸的选择性。 1-苄基-4-N，N-二甲基氨基吡啶鎓盐显示出最高的催化活性，并且可以获得95％转化率为对P-溶解酸的84％的选择性进行选择性氧化对卟啉。在不存在任何金属物种的情况下，几种甲基芳烃均可用报道的催化剂将其有效氧化。

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《RSC Advances》 |2019年第66期|共6页
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Qiaohong Zhang; Honghao He; Huibin Wang; Zhan Zhang; Chen Chen;
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1. Efficient catalytic oxidation of methyl aromatic hydrocarbon with N-alkyl pyridinium salts [J] . RSC Advances . 2019,第66期

机译：高效催化氧化甲基芳烃与N-烷基吡啶鎓盐
2. An Efficient and Recyclable Catalytic System Comprising Nanopalladium(0) and a Pyridinium Salt of Iron Bis(dicarbollide) for Oxidation of Substituted Benzyl Alcohol and Lignin [J] . Dr. Li Chuanzhao, Algin Oh Biying, Meriska Sudarmadji, ChemistryOpen . 2012,第2期

机译：一种高效且可循环利用的催化体系，其中包含纳米钯（0）和双（双糖脂）铁的吡啶鎓盐，用于氧化取代的苄醇和木质素
3. N-Hydroxyphthalimide in combination with Cu(II), Co(II) or Mn(II) salts as catalytic systems for the oxidation of isopropyl-aromatic hydrocarbons with oxygen [J] . Beata Orlinska Tetrahedron letters: The International Journal for the Rapid Publication of Preliminary Communications in Organic Chemistry . 2010,第31期

机译：N-羟基邻苯二甲酰亚胺与Cu（II），Co（II）或Mn（II）盐的组合作为催化体系用氧气氧化异丙基芳烃
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机译：钒铝二元磷酸盐：芳烃选择性氧化中热处理对其结构和催化性能的影响
5. Mechanisms of deep catalytic oxidation of aromatic hydrocarbons on a platinum single crystal surface. [D] . Marsh, Anderson Lockett. 2003

机译：铂单晶表面上芳烃的深度催化氧化机理。
6. An Efficient and Recyclable Catalytic System Comprising Nanopalladium(0) and a Pyridinium Salt of Iron Bis(dicarbollide) for Oxidation of Substituted Benzyl Alcohol and Lignin [O] . Yinghuai Zhu, Li Chuanzhao, Meriska Sudarmadji, 2012

机译：一种高效且可循环利用的催化体系其中包含纳米钯（0）和双（双糖脂）铁的吡啶鎓盐用于氧化取代的苄醇和木质素
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机译：（191）芳烃催化氧化在气相中的芳烃及其应用的反应机理及其应用。 II。芳烃（浓缩环型）的反应机理概述。
8. Charge Transport in Poly-(Ru(2,2'-Bipyridine)2(4-Vinylpyridine)2)(3+/2) Films in AlCl3/N-(1-Butyl)Pyridinium Chloride and AlCl3/1-Methyl(3-Ethyl)Imidazolium Chloride Molten Salts [R] . Pickup, P. G., Osteryoung, R. A. 1985

机译：聚（Ru（2,2'-联吡啶）2（4-乙烯基吡啶）2）（3 + / 2）膜在alCl3 / N-（1-丁基）吡啶氯化物和alCl3 / 1-甲基（3）中的电荷传输 - 乙基）咪唑氯化物熔盐

Efficient catalytic oxidation of methyl aromatic hydrocarbon with N-alkyl pyridinium salts

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