Table 2.

AuCl(PyC)-catalyzed oxidative C–H arylation of heteroarenes with arylsilanes.^a

Entry	1	2	3	Yieldb
1	1a	2a	3aa	14%
2	1a	2b	3ab	15%
3	1b	2a	3ba	55%
4	1b	2b	3bb	54%
5	1b	2c	3bc	33%
6	1b	2d	3bd	13%
7	1c	2a	3ca	28%
8	1d	2a	3da	17%
9	1e	2a	3ea	44%
10	1f	2a	3fa (C2):3fa’ (C3) = 83:17	22%

^aReaction conditions: 1 (0.20 mmol), 2 (0.20 mmol), AuCl(PyC) (5 mol %), IBA (0.20 mmol), CSA (0.20 mmol), CHCl₃/MeOH (10:1, 1.1 mL), 65 °C, 18–48 h. ^bIsolated yield.