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Photocatalysis in dimethyl carbonate green solvent: degradation and partial oxidation of phenanthrene on supported TiO2

机译:碳酸二甲酯绿色溶剂中的光催化:负载型TiO2上菲的降解和部分氧化

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Dimethyl carbonate (DMC) is here proposed - for the first time - as a green organic solvent for photocatalytic synthesis. In this work, the photocatalytic partial oxidation of phenanthrene in dimethyl carbonate (DMC) by using anatase TiO2 as the photocatalyst is described as paradigmatic example of a green synthetic process starting from polycyclic aromatic hydrocarbons (PAHs). For comparison, the same reaction carried out also in ethanol, 1-propanol or 2-propanol is reported. The use of DMC as the solvent allowed us to achieve 19% and 23% selectivity towards 9-fluorenone and 6H-benzo[c] chromen-6-one, respectively. The proposed approach may represent both a new green synthetic process and an environmentally friendly route to degradation of PAHs.
机译:首次提出碳酸二甲酯(DMC)作为光催化合成的绿色有机溶剂。在这项工作中,通过使用锐钛矿型TiO2作为光催化剂,在碳酸二甲酯(DMC)中菲的光催化部分氧化被描述为从多环芳烃(PAHs)开始的绿色合成过程的范例。为了比较,报道了在乙醇,1-丙醇或2-丙醇中也进行相同的反应。使用DMC作为溶剂可使我们分别对9-芴酮和6H-苯并[c]铬-6-酮实现19%和23%的选择性。所提出的方法可能代表了一种新的绿色合成工艺,也代表了PAHs降解的环保途径。

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