Table 1.

Control Reactions of Optimized Conditions^a

entry	deviations	yieldb
1	none	87%
2	TMS3SiH instead of 4	15%
3	TMS3SiOH instead of 4	35%
4	no silane source	0%
5	no CuBr	0%
6	no ligand	0%
7	no light	0%
8	no photocatalyst	0%
9	N2 sparge	0%
10	no base	38%

^aPerformed with aminosilane reagent 4 (1.8 equiv), NaOAc (4 equiv), aryl bromide 13 (0.1 mmol), and TMSCF₃ (3 equiv) in MeCN (0.1 M).

^bYields determined by ¹⁹F NMR analysis using 1,4-difluorobenzene as internal standard. See SI for more details.