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| ||||
|---|---|---|---|---|
| Entry | Substrate | Product | Time (h) | Yieldb (%) |
| 1 |
|
|
1.5 | 81 |
| 2 |
|
|
1.5 | 85 |
| 3 |
|
|
1.5 | 76 |
| 4 |
|
|
1.5 | 75 |
| 5 |
|
|
2 | 76 |
| 6 |
|
|
2.5 | 73 |
| 7 |
|
|
2.5 | 75 |
Reaction conditions: 1 (1 equiv.), 2a (2 equiv.), Pd(OAc)2 (5 mol%), L2 (10 mol%), DCC (1 equiv.), triethylamine (2 equiv.) at 90 °C for 1.5 to 2.5 h in 3 mL of DMF.
Yield of isolated product.
