OXIDATIVE DEHYDROGENATION OF ETHYLENEDIAMINE COORDINATED TO RUTHENIUM WITH HEXAFLUOROACETYLACETONATE, INDUCED BY ELECTROCHEMICAL OXIDATION OF RUTHENIUM(II) TO RUTHENIUM(III)

被引:7
作者
HOSHINO, Y [1 ]
OKUYAMA, F [1 ]
NANBA, A [1 ]
SHIMIZU, K [1 ]
SATO, GP [1 ]
机构
[1] SOPHIA UNIV, FAC SCI & TECHNOL, DEPT CHEM, CHIYODA KU, TOKYO 102, JAPAN
关键词
D O I
10.1246/bcsj.65.876
中图分类号
O6 [化学];
学科分类号
0703 ;
摘要
Two mixed-ligand complexes, [Ru(hfac)2(en)] and [Ru(hfac)(en)2]PF6 (en = ethylenediamine and hfac- = hexafluoroacetylacetonate ion), were synthesized. The oxidative dehydrogenation of their en ligand was studied in acetonitrile solutions. Each complex underwent a Nernstian one-electron oxidation at platinum electrodes. The resultant ruthenium(III) species was converted through a series of slow homogeneous reactions into the corresponding 1,2-diiminoethane ruthenium(II) species. Voltammograms recorded during the course of the reactions suggested the presence of 2-amino-1-iminoethane ruthenium(II) intermediates.
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页码:876 / 881
页数:6
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