Table 3.
| ||||
---|---|---|---|---|
entry | product | time | yield (%) | |
1 |
1b |
5 h | 58 | |
2 |
1c |
3 h | 77 | |
3 |
1d |
3 h | 76 | |
4 |
1e |
7 h | 62 | |
5 |
1f |
5 h | 56 (72)a | |
6 |
1g |
3 h | 49 | |
7 |
1h |
7 h | 80 | |
8 |
1i |
6 h | 0 | |
9 |
1j |
4 h | 73 | |
10 |
1k |
2.5 h | 59 | |
11 |
1l |
24 h | 34 |
Benzyl chloride (2.0 mmol), potassium cyclopropyltrifluoroborate (3.5 mmol), Pd2(dba)3 (0.1 mmol), RuPhos (0.2 mmol), K2CO3 (4.0 mmol), toluene/H2O 19:1 (0.1 M), 120 °C.
Reaction performed on 1 g scale.