Kinetic study of ruthenium (VI)-catalyzed oxidation of 2-propanol by alkaline hexacyanoferrate (III)

被引：0
作者：
Mucientes, AE [1 ]
Poblete, FJ [1 ]
Rodríguez, MA [1 ]
Santiago, F [1 ]
机构：
[1] Univ Castilla La Mancha, Fac Ciencias Quim, Dept Quim Fis, Ciudad Real 13071, Spain
来源：
JOURNAL OF PHYSICAL ORGANIC CHEMISTRY | 1999年 / 12卷 / 12期
关键词：
2-propanol; oxidation; hexacyanoferrate(III); ruthenium(VI) catalysis;
D O I：
10.1002/(SICI)1099-1395(199912)12:12<901::AID-POC212>3.0.CO;2-B
中图分类号：
O62 [有机化学];
学科分类号：
070303 ; 081704 ;
摘要：
The kinetics of Ru(VI)-catalyzed oxidation of 2-propanol by hexacyanoferrate(III) was investigated in alkaline media using a spectrophotometric technique. The reaction shows first order in [Ru(VI)], a Michaelis-Menten-type dependence on [2-propanol], a fractional order in [Fe(CN)(6)(3-)] and a complicated variation on [OH-]. A reaction mechanism which involves two active catalytic species is proposed. Each of these species forms an intermediate complex with the substrate. These complexes decompose slowly, producing ruthenium(IV) complexes, which are reoxidized by hexacyanoferrate(III) in subsequent steps. The theoretical rate law obtained is in complete agreement with all the experimental observations. Copyright (C) 1999 John Wiley & Sons, Ltd.
引用
收藏
页码：901 / 908
页数：8
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