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| |||
|---|---|---|---|
| Entry | Catalyst | Base | Yielda |
| 1 | Pd(PPh3)4 (0.1 eq.) | Cs2CO3, (2.0 eq.) | 33% |
| 2 | PdCl2(dppf)·DCM (0.1 eq.) | Cs2CO3, (2.0 eq.) | 47% |
| 3 | Pd(OAc)2 (0.1 eq.), xantphos (0.2 eq.) | Cs2CO3, (2.0 eq.) | 60% |
| 4 | Pd(OAc)2 (0.1 eq.), xantphos (0.2 eq.) | K2CO3, (2.0 eq.) | 60% |
| 5 | Pd(OAc)2 (0.1 eq.), xantphos (0.2 eq.) | K3PO4, (2.0 eq.) | 36% |
Yield is indicated as isolated product.
