Table 4. Catalytic Results of C6F5–Alk Couplings Using Alk–Cl and C6F5–SnBu3 Catalyzed by 5a.

| entry | t (h) | T °C | catalyst | SM | C6F5–Alk | C6F5–H |
|---|---|---|---|---|---|---|
| 1b | 24 | 70 | 5 (10%) | 32 | 61 | 7 |
| 2b | 36 | 70 | 5 (10%) | 0 | 87 | 13 |
| 3b | 36 | 90 | 5 (2%) | 21 | 72 | 7 |
SM = starting material.
Substoichiometric AsPh3 (10 mol % with respect to the Pd catalyst).