Table 3.

Pump-probe Transient Absorption Data for Compounds 1a and 2 in Methanol (298 K).

	Conditions	k1 (τ1)	k2 (τ2)	k3 (τ3)	k4 (τ4)
1a	MeOH	1.6×1012 (0.6 ps)	4.2×1010 (24 ps)	1.3×1010 (77 ps)	-
1a	TFA (180 mM) in MeOH	9.1×1011 (1.1 ps)	1.4×1010 (71 ps)	9.4×109 (0.11 ns)	2.7×108 (3.7 ns)
1a	[Cu(I)(CH3CN)4]PF6 (10 μM) in MeOH	1.5×1012 (0.7 ps)	1.2×1010 (83 ps)	1.9×1010 (53 ps)	3.1×108 (3.2 ns)
			1.3×109 (0.77 ns)		-
			9.4×109 (0.11 ns)	-	-
2	MeOH	1.3×1012 (0.8 ps)	1.5×1011 (6.6 ps)	1.3×1010 (77 ps)	2.6×108 (3.8 ns)