Table 4.
| |||
---|---|---|---|
entry | product | yield (%) | enantiomeric ratio[a] |
1 | 2a | 91 | 93:7 |
2 | 2d | 79 | 95:5 |
3 | 2h | 68 | 92:8 |
4 | 2j | 71 | 84:16 |
5 | 2k | 72 | 70:30 |
6 | 2l | 73 | 90:10 |
7 | 2m | 62 | 76:24 |
Enantiomeric excess was determined by oxidation of 2 followed by SFC analysis of the corresponding alcohol.