Research Article

Ruthenium(III) Catalysis in Perborate Oxidation of 5-Oxoacids

Table 2

Ruthenium(III) catalysis of perborate oxidation of substituted 5-oxo acidsa.

5-Oxoacid 103   
(s−1)
105[Catalyst]
(mol dm−3)
Ru(III)
02.05.08.010.015.020.0

p-OCH38.6312.4316.2020.3423.2829.8335.88
p-CH34.316.218.1010.1611.6414.9117.93
p-C6H53.144.535.917.428.4910.8813.08
–H2.834.085.326.687.659.8011.79
p-Cl0.871.271.642.062.353.023.63
p-Br0.440.630.831.041.201.531.85
m-NO20.210.310.410.510.590.760.91

a103[Perborate = 1.0 mol dm−3; 102[5-oxoacid = 4.0 mol dm−3; 102[H+] = 9.88 mol dm−3; HOAc—H2O = 1 : 1 % (v/v); temp. = 308 K.