Table 2.

Rate constants for phenol oxidations (T = 296 ± 2 K)

B	Oxidant	k, M−1 s−1	Erxn, V*
-imH,OMe	[N(p-C6H4OMe)3]•+	(1.1 ± 0.1) × 104	−0.26
-imH,H	[N(p-C6H4OMe)3]•+	(6.3 ± 0.6) × 102	−0.33
	[N(C6H4Br)2(C6H4OMe)]•+	(3.0 ± 0.6) × 106	−0.01
-imH,Br	[N(tol)3]•+	(4.1 ± 0.4) × 104	−0.17
	[Fe(5,5′-Me2bpy)3]3+	(2.0 ± 0.2) × 106	0.03
	[Fe(4,7-Me2phen)3]3+	(1.3 ± 0.5) × 106	−0.02
	[Fe(Me4phen)3]3+	(1.2 ± 0.3) × 105	−0.06†
-imH,NO2	[N(C6H4Br)2(C6H4OMe)]•+	(1.7 ± 0.2) × 105	−0.13
-imMe,H	[N(p-C6H4OMe)3]•+	(1.5 ± 0.2) × 103	−0.30
-imCy,H	[N(tol)3]•+	(1.3 ± 0.1) × 105	−0.04
	[N(C6H4Br)2(C6H4OMe)]•+	(3.0 ± 0.3) × 104	−0.10
-imbz	[N(C6H4Br)2(C6H4OMe)] •+	(1.6 ± 0.2) × 106	−0.06
	[Fe(5,5′-Me2bpy)3]3+	(3.6 ± 0.4) × 105	0.04
	[Fe(4,7-Me2phen)3]3+	(2 ± 1) × 106	−0.01
-imbzCl2	[N(C6H4Br)2(C6H4OMe)]•+	(1.6 ± 0.4) × 105	−0.18

*Estimated errors ± 0.03 V from cyclic voltammetry.

^†Estimated error ±0.01 V from equilibration experiments.