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| entry | Ar | [Au], mol % | time (h) | product, yield (%)a |
|---|---|---|---|---|
| 1 | Ph | A (2) | 16 | 4a (95a, 93b) |
| 2 | p-MeOC6H4 | A (5) | 19 | 4b (58) |
| 3 | p-MeOC6H4 | B (5) | 19 | 4b (42) |
| 4 | p-MeOC6H4 | C (5) | 19 | 4b (30) |
| 5 | p-MeOC6H4 | D1 (5) | 19 | 4b (10) |
| 6 | p-MeOC6H4 | E (5) | 19 | 4b (23) |
| 7 | p-MeOC6H4 | PPh3AuCl/AgSbF6 (5) | 19 | 4b (7b) |
Yields determined by 1H NMR.
Isolated
yield.
