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

Figure 5

Plot between ΔH ^# and ΔS ^#: isokinetic relationship under the conditions of Table 9. (S1) –H, (S2) 4′-methoxy, (S3) 4′-methyl, (S4) 4′-phenyl, (S5) 4′-chloro, (S6) 4′-bromo, (S7) 3′-nitro.