Table 5.
Entry | R1 = | % yield* | d.r.† | % ee‡ |
1 | Ph | 94 | > 20∶1 | 99 |
2 | p-MeOC6H4 | 70 | > 20∶1 | 99 |
3 | 2-furyl | 54 | > 20∶1 | 99 |
4 | p-BrC6H4 | 88 | > 20∶1 | 99 |
5 | H | 63 | > 20∶1 | 99 |
6 | n-C3H7 | 95 | > 20∶1 | 94 |
*Isolated yield following chromatography.
†Determined by 1H NMR of unpurified reaction mixtures.
‡Determined by SFC analysis on chiral stationary phases.