Table 3.

Kinetics results for oxoiron(IV) complexes 1 – 5.

Complex		1	2	3	4	5
E1/2 (IV/III) vs. Fc+/o in CH3CN with 0.1 M water		0.90	1.07	0.83	(0.98)a	1.23
k2,c M−1 s−1 (% yield of oxidation product) [KIE]d	CHD (–40 °C)	0.070(3) (89%)	0.96(3) (99%)	0.027(1) (92%)	0.014(1) (88%)	0.37(2) (89%)
	DHA (25 °C)	18(1) [20]b	100(6) [16]	7.4(1) [31]	1.1(1) [13]	40(3) [12]
	PhCH2OH (25°C)	0.10(1) (80%)	0.86(2) (83%)	0.042(1) (80%)	0.013(1) (85%)	0.33(2) (90%)
	PhSMe (−10 °C)	0.014 (90%)	0.33 (93%)	0.004 (90%)	0.024 (75%)	2.4 (95%)

^aValue estimated from the correlation in Figure 4.

^bFrom ref. 47

^cSee Figures S9–S12.

^dSee Figures S12 and S13.