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Enantiospecific DcA of β-Ketoesters
 | ||||||
|---|---|---|---|---|---|---|
| entry | ester | ligand | ee (%) | time (h) | prod. | b:l |
| 1 | (S) | bpy | 48 | 2 h | (+), S | 94:6 |
| 2 | (R) | bpy | 46 | 2 h | (−), R | 93:7 |
| 3 | (S) | L-IX | 72 | 6 h | (+), S | 94:6 |
| 4 | (R) | L-IX | 72 | 6 h | (−), R | 94:6 |
| 5 | (S) | L-X | 84 | 10 h | (+), S | 92:8 |
| 6 | (R) | L-X | 68 | 6 h | (−), R | 92:8 |
| 7 | (S) | L-VIII | 92 | 10 h | (+), S | 93:7 |
| 8 | (R) | L-VIII | 70 | 6 h | (−), R | >99:1 |
| ||||||
