Table 1. One-electron oxidation potentials (E _ox) of phenol derivatives, driving forces of ET (–ΔG _et), ET rate constants (k _et), and KIE values in ET reactions from phenol derivatives to 1 at 233 K.

R-PhOH and naphthols	E ox a /V	–ΔG et/eV	k et/M–1 s–1	KIE
4-Me	1.52	–0.29	(1.5 ± 0.1) × 102
4-Ph	1.39	–0.16	(4.3 ± 0.2) × 103	1.1
2,3-(MeO)2	1.39	–0.16	(1.4 ± 0.1) × 104
2,4,6-Me3	1.37	–0.14	(1.5 ± 0.1) × 104
2-MeO	1.37	–0.14	(1.2 ± 0.1) × 104
2-Naphthol	1.19	0.04	(4.5 ± 0.2) × 104
1-Naphthol	1.17	0.06	(2.5 ± 0.1) × 105	1.0

^aDetermined by SHACV performed in CH₃CN at room temperature under Ar in the presence of TBAPF₆ (0.1 M) as an electrolyte (vs. SCE).