Table 1.
Entry | Substrate | Products | Yield (%) | Ratio a | ee (%) b |
---|---|---|---|---|---|
1 | 82 c | 2:1 | 92 | ||
2 | 65 | 10:1 | 88 | ||
3 | 87 | - | 94 |
a Determined by 1H-NMR. b Determined by chiral high-pressure liquid chromatography (CHPLC). c From the mixture of compounds 11 and 12.