Table 3.

Time conversion plot for oxidative coupling of benzylamine with 4-methoxybenzylamine ^a.

Entry	Time (h)	Conversion (%)		Selectivity (%)
		Benzylamine	4-Methoxybenzylamine	P1	P2	P3	P4
1	2	13	13	0	0	100	0
2	4	41	57	12	12	40	36
3	8	84	90	15	16	38	32
4	17	96	97	19	16	40	26
5	20	96	97	21	16	40	24

^a Reaction Conditions: 25 mg catalyst, 0.25 mmol amine substrates, 2 mL acetonitrile, 500 W halogen lamp (cut-off wavelength below 400 nm) intensity 0.36 W/cm², 1 atm O₂.