Values of k_ob for the reduction of 4NP using different amounts of reducing agent, 4NP, catalyst, and different temperatures.

Reaction conditions	NaBH4 (mM)	Catalyst (μg mL−1)	4NP (mM)	T (°C)	τ 0 (min)	t c (min)	k ob (min−1)	t 1/2 (min)
NaBH4	1.19	2.40	0.057	26	15	34	0.04	17.32
	1.97	2.40	0.057	26	6	25	0.12	5.77
	2.66	2.40	0.057	26	5	12	0.91	0.76
	3.55	2.40	0.057	26	3	9	1.12	0.62
	4.34	2.40	0.057	26	7	15	0.56	1.24
	5.13	2.40	0.057	26	5	14	0.54	1.28
	5.92	2.40	0.057	26	4	14	0.45	1.54
	6.71	2.40	0.057	26	5	18	0.29	2.39
Catalyst	3.55	1.20	0.057	26	6	16	0.55	1.26
	3.55	2.40	0.057	26	3	9	0.96	0.72
	3.55	3.60	0.057	26	7	12	1.02	0.68
	3.55	4.80	0.057	26	4	9	1.12	0.62
	3.55	6.00	0.057	26	2	6	1.44	0.48
4NP	2.66	2.40	0.040	26	10	18	0.35	1.98
	2.66	2.40	0.045	26	7	16	0.51	1.36
	2.66	2.40	0.051	26	6	14	0.54	1.28
	2.66	2.40	0.054	26	6	14	0.69	1.00
	2.66	2.40	0.057	26	4	9	1.12	0.62
	2.66	2.40	0.060	26	2	13	0.38	1.82
	2.66	2.40	0.063	26	2	18	0.26	2.67
Temperature	2.66	2.40	0.057	24	4	12	0.59	1.18
	2.66	2.40	0.057	28	3	10	0.66	1.05
	2.66	2.40	0.057	32	1	6	0.88	0.79
	2.66	2.40	0.057	36	1	6	1.01	0.69
	2.66	2.40	0.057	40	2	5	1.47	0.47