Table 3.
| ||||
---|---|---|---|---|
entry | Ar1 | ee (%) | yield (%)b | |
1 | X = H | 94 | 96 | |
2c | Me | 93 | 91 | |
3 | F | 94 | 95 | |
4 | Cl | 94 | 95 | |
5 | Br | 94 | 87 | |
6c | I | 94 | 66 | |
7 | CF3 | 94 | 98 | |
8d | CO2Et | 93 | 91 | |
9d | CN | 92 | 83 | |
|
||||
10 | X = CF3 | 94 | 96 | |
11d | CO2Et | 93 | 92 | |
|
||||
12 | 93 | 87 | ||
13e | 92 | 93 | ||
14d | 94 | 87 | ||
15d | 93 | 77 |
All data are the average of two experiments.
Yield of purified product.
Equivalents of arylzinc reagent: 1.5.
Benzylic alcohol coupling partner: 1-phenylpropanol.
Reaction temperature: −30 °C.