Table 7.
entry | substrate | solvent | T (°C) | product | yield (%) | ee (%) |
---|---|---|---|---|---|---|
1 | 24 | tol | 25 | 27 | 22–61 | 84–88 |
2 | 25 | tol | 50 | 27 | 19 | 79 |
3 | 25 | tol | 80 | 27 | 86 | 75 |
4 | 26 | tol | 50 | 28 | 86 | 92 |
5 | 26 | PhH | 50 | 28 | 61 | 92 |
6 | 26 | THF | 50 | 28 | 88 | 92 |
7 | 26 | dioxane | 50 | 28 | 90 | 91 |