Synthesis, Characterization, and Electrochemical Study of Tetradentate Ruthenium-Schiff Base Complexes: Dioxygen Activation with a Cytochrome P450 Model Using 1- or 2-Methylimidazole as Axial Bases

Table 1

Analytical data for the complexes.

Compound	No.	Color	Rf^a	Yield	Analysis calc. (found)
				(%)^b	C (%)	H (%)	N (%)
Ru(III)ClL^1	1	Green	0.69	42	40.25 (40.56)	2.90 (3.09)	5.87 (6.09)
Ru(III)ClL^2	2	Green	0.70	40	42.77 (43.10)	3.56 (3.85)	5.54 (5.83)
Ru(III)ClL^3	3	Green	0.78	45	31.22 (31.48)	1.62 (1.78)	4.55 (4.79)

^aRetarding factor; noted R_f (TLC), ^bbased on mol number of starting material diaminoethane