Table 5.

[3+2] Annulation of various aryl amines.^[a]

Entry	Substrate	Time (h)[b]	Product		Yield (%)[c]
1		48		8a	0[d]
2		16		8b	13
3		21		8c	48
4		18		8d	47

^[a]A solution of 1 (0.2 mmol), Ru(bpz)₃(PF₆)₂ (2 mol%), and 2a (5 equiv.) in 2 mL CH₃NO₂ was degassed via freeze-pump-thaw cycles. The resulting solution was irradiated using an 18 W white LED.

^[b]Monitored by TLC.

^[c]Isolated yields.

^[d]Determined using GC-MS.