Table 1:

Optimization of reaction parameters.^[a]

Entry	Ligand	Additive	Solvent	Yield [%][b]
1[c,d]	dtbdppf	-	benzene	0
2	dpephos	-	DMF	11
3	dpephos	Nal	DMF	30
4	rac-BINAP	Nal	DMF	41
5	rac-BINAP	NaCI	DMF	18
6	rac-BINAP	NaOAc	DMF	19
7	rac-BINAP	Nal	1,4-dioxane	62
8[e]	rac-BINAP	Nal	1,4-dioxane	<1
9[f]	rac-BINAP	Nal	1,4-dioxane	<1
10[g]	rac-BINAP	Nal	1,4-dioxane	5

^[a]All reactions were performed on a 0.1 mmol scale.

^[b]GC–MS yield.

^[c]2 equivalents of Cs₂CO₃ were used.

^[d]1-Diphenylphosphino-1′-(di-tert-butylphosphino)ferrocene.

^[e]No Pd(OAc)₂ was added.

^[f]No light, T= rt to 100°C.

^[g]2 equivalents of TEMPO were added.