Table 2. Optimization of the cross-coupling.

#	Deviations from stand. cond.	Y. of 3,a (%)
1	None	92 (91)b
2	Open to air	87
3	455 nm LED	82
4	4CzIPN as PC (455 nm LED)	80
5	Without DME	76
6	L2 as the ligand	76
7	No phthalimide	64
8	No NiCl2·diglyme	0
9	No L1	<5
10	No PC	<5
11	No light	0

^aDetermined by ¹H NMR with CH₂Br₂ as an internal standard.

^bIsolated yield.