Table 4.
Optimization of the conditions for the carbonylative coupling reaction.
| Entry | Base | CO (bar) | T (°C) | Time (h) | Yielda (%) |
|---|---|---|---|---|---|
| 1 | KOAc | 2.5 | 125 | 1 | – |
| 2 | TEA | 7.5 | 125 | 3 | 30 |
| 3 | KOAc | 5 | 145 | 4 | 88 |
| 4 | TEA | 5 | 145 | 4 | 60 |
Yields as determined by GC.
Optimization of the conditions for the carbonylative coupling reaction.
| Entry | Base | CO (bar) | T (°C) | Time (h) | Yielda (%) |
|---|---|---|---|---|---|
| 1 | KOAc | 2.5 | 125 | 1 | – |
| 2 | TEA | 7.5 | 125 | 3 | 30 |
| 3 | KOAc | 5 | 145 | 4 | 88 |
| 4 | TEA | 5 | 145 | 4 | 60 |
Yields as determined by GC.