Synthesis, Characterization, DNA Binding, and Photocleavage Activity of Oxorhenium (V) Complexes with 𝛼-Diimine and Quinoxaline Ligands

Table 1

Electrochemical and absorption data of the oxorhenium (V) complexes.

Complex	E1/2/V versus SCE^a		𝜆max/nm (𝜀/M^−1cm^−1)^b	𝜆max/nm (𝜀/M^−1cm^−1)^c
	Epa (V)	Epc (V)
[ReOCl3pq]; (1)	−0.52	−0.70	268.5 (4835)	272.4 (4820)
			571.0 (3330)	581.2 (3520)
			732.1 (1227)	738.3 (1337)
[ReOCl3bpy]; (2)	−0.54	−0.72	295.3 (4315)	294.1 (4330)
			480.8 (3430)	493.0 (3520)
			750.2 (1450)	753.0 (1480)
[ReOCl3phen]; (3)	−0.44	−0.61	270.6 (4580)	268.3 (4350)
			459.6 (3200)	463.7 (3300)
			739.6 (1100)	745.0 (1150)

^aAll complexes were measured in 0.1 M TBABF₄-DMF; error in potential was ±0.01 V; 𝑇 = 25 ± 0.2^∘C; scan rate = 100 mV⋅s^−1
bIn CH₃OH, [C] = 10⁻² M
^cIn CH₃COCH₃, [C] = 10⁻²M.