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

Table 7

Ruthenium(III) catalyzed oxidation of hydrogen peroxide^a.

10^3[Oxidant]0; (mol dm^−3)	10^2[H^+]; (mol dm^−3)	10^3; (s^−1)
		Perborate							Hydrogen peroxide
		p-OCH3	p-CH3	p-C6H5	–H	p-Cl	p-Br	m-NO2	p-OCH3	p-CH3	p-C6H5	–H	p-Cl	p-Br
1.0	9.88	24.26	12.13	8.85	7.97	2.45	1.25	0.62	25.05	12.52	9.14	8.23	2.53	1.28	0.64
2.0	9.88	23.28	11.64	8.49	7.65	2.35	1.20	0.59	23.38	11.68	8.54	7.68	2.36	1.20	0.59
1.0	14.9	27.33	13.66	9.97	8.98	2.77	1.41	0.69	27.15	13.57	9.90	8.92	2.75	1.40	0.68

^a10²[5-Oxoacid]₀ = 4.0 mol dm⁻³; *10⁴[Ru(III)] = 1.0 mol dm⁻³; HOAc—H₂O = 1 : 1% (v/v); temp. = 308 K.