On the nature of the redox products of 4-((CH3)(2)N)C6H4-CO2- and 4-((CH3)(2)N)C6H4-CO2-Re(CO)(3)(1,10-phenanthroline): A spectroelectrochemical, pulse radiolysis and flash photochemical study

Juliarena MP; Lezna RO; Ruiz GT; Feliz MR; Ferraudi GJ; Wolcan E

首页> 外文期刊>Polyhedron: The International Journal for Inorganic and Organometallic Chemistry >On the nature of the redox products of 4-((CH3)(2)N)C6H4-CO2- and 4-((CH3)(2)N)C6H4-CO2-Re(CO)(3)(1,10-phenanthroline): A spectroelectrochemical, pulse radiolysis and flash photochemical study

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On the nature of the redox products of 4-((CH3)(2)N)C6H4-CO2- and 4-((CH3)(2)N)C6H4-CO2-Re(CO)(3)(1,10-phenanthroline): A spectroelectrochemical, pulse radiolysis and flash photochemical study

机译：关于4-（（CH3）（2）N）C6H4-CO2-和4-（（CH3）（2）N）C6H4-CO2-Re（CO）（3）（1,10）的氧化还原产物的性质-菲咯啉）：光谱电化学，脉冲辐射分解和快速光化学研究

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The UV-Vis absorption spectra of 4-dimethylaminobenzyl radical cation (DMAB(center dot+)) and 1,10-phenanthroline radical anion (phen(center dot-)) were obtained by spectroelectrochemistry, flash photolysis and pulse radiolysis experiments on DMAB-CO2-Re-I(CO)(3)(phen) and DMAB-COOH. DMAB-CO2-Re-I(CO)(3)(phen) was shown to have remarkable reversibly/stable redox processes under electrochemical perturbations. An excellent agreement was observed between the spectrum of the radical cation DMAB(center dot+) obtained electrochemically and radiolytically. The in situ UV-Vis spectrum of the electrochemically reduced radical anions, phen(center dot-), was compared with that obtained from the products of the reductive quenching of the corresponding photochemically excited states. Besides, the oxidative quenching of the Re-I complex excited states by [Ni-II(Me-6[14]-aneN(4))] showed the formation of [(DMAB(center dot+)-CO2)-Re-I(CO)(3)(phen)] as the main primary product. (C) 2008 Elsevier Ltd. All rights reserved.

机译：通过光谱电化学，快速光解和脉冲辐照实验，在DMAB-CO2上获得了4-二甲基氨基苄基阳离子（DMAB（中心点+））和1,10-菲咯啉基阴离子（phen（中心点-））的UV-Vis吸收光谱。 -Re-I（CO）（3）（phen）和DMAB-COOH。 DMAB-CO2-Re-I（CO）（3）（phen）在电化学扰动下具有显着的可逆/稳定氧化还原过程。观察到的电化学和辐射解离的自由基阳离子DMAB（中心点+）的光谱之间有极好的一致性。将电化学还原的自由基阴离子的原位UV-Vis光谱phen（中心点）与从相应的光化学激发态的还原猝灭产物中获得的光谱进行了比较。此外，[Ni-II（Me-6 [14] -aneN（4））]对Re-I复合物激发态的氧化猝灭表明[（DMAB（中心点+）-CO2）-Re-I的形成（CO）（3）（phen）]为主要主要产物。（C）2008 Elsevier Ltd.保留所有权利。

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《Polyhedron: The International Journal for Inorganic and Organometallic Chemistry》 |2008年第5期|共8页
作者
Juliarena MP; Lezna RO; Ruiz GT; Feliz MR; Ferraudi GJ; Wolcan E;
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正文语种 eng
中图分类化学;
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electrochemistry; spectroelectrochemistry; pulse radiolysis; rhenium; flash photolysis; CHARGE-TRANSFER; ELECTRON-TRANSFER; TRICARBONYL COMPLEXES; AQUEOUS-SOLUTION; RESONANCE RAMAN; METAL-COMPLEXES; EXCITED-STATE; STEADY-STATE; SPECTROSCOPY; RADICALS;

机译：电化学;光谱电化学;脉冲辐射分解;ium;快速光解;电荷转移;电子转移;三羰基络合物;水溶液;共振拉曼;金属络合物;激发态;稳态;光谱学;自由基;

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机译：关于4-（（CH3）（2）N）C6H4-CO2-和4-（（CH3）（2）N）C6H4-CO2-Re（CO）（3）（1,10）的氧化还原产物的性质-菲咯啉）：光谱电化学，脉冲辐射分解和快速光化学研究
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3. Ruthenium-mediated selective cleavage of nitrogen-carbon bond of the diimine function. Synthesis, spectroscopic and redox properties of the complexes [Ru(L)(2){-OC6H4C(CH3)=N-H}][ClO4](L=2,2 '-bipyridine and 1,10-phenanthroline) and the crystal struc [J] . Chakraborty S., Lahiri GK., Walawalkar MG. Polyhedron: The International Journal for Inorganic and Organometallic Chemistry . 2001,第15a16期

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On the nature of the redox products of 4-((CH3)(2)N)C6H4-CO2- and 4-((CH3)(2)N)C6H4-CO2-Re(CO)(3)(1,10-phenanthroline): A spectroelectrochemical, pulse radiolysis and flash photochemical study

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