Table 1.

Optimization of Aryl Triflate Carboamination^[a]

Entry	Ligand	Base	Solvent	2c:3c	Conversion (%)[b]
1	X-Phos	NaOtBu	toluene	1:1	81
2	RuPhos	NaOtBu	toluene	9:1	90
3	RuPhos	LiOtBu	toluene	19:1	100
4	RuPhos	LiOtBu	PhCF3	>25:1	100[c]

^[a]Reaction Conditions: 1.0 equiv 1a, 1.2 equiv p-MeC₆H₄OTf, 1.4 equiv base, 2 mol % Pd₂(dba)₃, 6 mol % ligand, solvent (0.25 M), 100 °C.

^[b]Conversion = percentage of starting material consumed.

^[c]The reaction was conducted using 2 mol % Pd(OAc)₂ and 5 mol % ligand.