Table 1.
Ligand Evaluation[a]
![]() | ||||
---|---|---|---|---|
| ||||
Entry | Ligand | Conv. of 1a [%][b] | Yield of 2a [%][b] | Yield of 2a’ [%][b] |
1 | L1 | 100% | 26% | 54% |
2 | L3 | 100% | 20 | 63% |
3 | L4 | 100% | 70% | 19% |
4 | L5 | 70% | trace | 61% |
5 | L6 | 67% | 3% | 43% |
6 | L7 | 100% | 66% | 26% |
7 | L8 | 100% | 64% | 28% |
8 | L9 | 100% | 57% | 32% |
9 | L10 | 100% | 54% | 31% |
Reaction conditions: 4-chloroanisole (1.0 mmol), 2-BuOH (2.0 mmol), (allyIpdcI)2 (1 mol %), Ligand (3 mol %), Cs2CO3 (1.5 mmol), 4Å molecular sieves (200 mg), Bu3N (1 ml), 90 °C, 21 h.
Determined by GC.