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首页> 外文期刊>Polyhedron: The International Journal for Inorganic and Organometallic Chemistry >Electrochemical behaviour of [Ru(4,4 '-Me(2)bpy)(2)(PPh3)(H2O)](ClO4)(2) in homogeneous solution and incorporated into a carbon paste electrode. Application to oxidations of benzylic compounds
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Electrochemical behaviour of [Ru(4,4 '-Me(2)bpy)(2)(PPh3)(H2O)](ClO4)(2) in homogeneous solution and incorporated into a carbon paste electrode. Application to oxidations of benzylic compounds

机译:[Ru(4,4'-Me(2)bpy)(2)(PPh3)(H2O)](ClO4)(2)在均匀溶液中的电化学行为,并掺入碳糊电极中。在苄基化合物的氧化中的应用

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The complex [Ru(4,4'-Me(2)bpy)(2)(PPh3)(H2O)](ClO4)(2) has been synthesized and characterized by elemental analysis, spectroscopic and electrochemical methods. E-1/2 vs pH studies are consistent with one-electron, one-proton transfer; at higher pH the potentials become pH independent. The catalytic activity of the complex has been investigated at pH 6.5 in the homogeneous electrooxidation of benzylic compounds. The reactivity was found to decrease in the order 1-phenylethanol much greater than phthalic alcohol > benzyl alcohol > 4-methylbenzyl alcohol > ethylbenzene > toluene. Carbon paste electrode (CPE) containing the complex has shown catalytic activity in oxidations of alcohols. Benzyl alcohol oxidation by CPE is first order on substrate concentration and for low concentrations is controlled by the diffusion rate of the substrate from solution. (C) 1997 Elsevier Science Ltd. [References: 29]
机译:合成了[Ru(4,4'-Me(2)bpy)(2)(PPh3)(H2O)](ClO4)(2),并通过元素分析,光谱和电化学方法对其进行了表征。 E-1 / 2与pH的研究与单电子,质子转移是一致的;在较高的pH值下,电位变得与pH无关。在苄基化合物的均相电氧化中,已在pH 6.5下研究了配合物的催化活性。发现反应性以1-苯乙醇的顺序降低,其幅度远大于邻苯二甲酸醇>苯甲醇> 4-甲基苯甲醇>乙苯>甲苯。含有络合物的碳糊电极(CPE)在醇的氧化中显示出催化活性。 CPE催化的苄醇氧化是底物浓度的一级反应,对于低浓度,其受底物从溶液中的扩散速度控制。 (C)1997 Elsevier Science Ltd. [参考:29]

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