Table 3.
Catalytic enantioselective intermolecular γ-addition of 2,2,2-trifluoroacetamide to allenoates: Scope.
![]() | |||
|---|---|---|---|
| entry | R | ee (%) | yield (%)[a] |
| 1 | Me | 86 | 89 |
| 2 | n Pr | 87 | 90 |
| 3 | iBu | 88 | 92 |
| 4 | (CH2)2Ph | 88 | 94 |
| 5 | (CH2)4OBn | 89 | 87 |
| 6 | 89 | 86 | |
| 7 | 87 | 88 | |
| 8 | (CH2)2CO2Me | 82 | 68 |
| 9 | 86 | 87 | |
All data are the average of two experiments.
Yield of purified product (E:Z >95:5).
