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Asymmetric addition of diethylzinc to aryl and saturated aldehydes under solvent-free conditions.
 | |||
|---|---|---|---|
| entry | R | yield (%) | ee (%) |
| 1 | 4-C6H4-Me | 99 | 90 |
| 2 | 1-Naphthyl | 80 | 91 |
| 3 | 2-Naphthyl | 98 | 86 |
| 4 | 4-C6H4-Cl | 99 | 85 |
| 5 | 4-C6H4-OMe | 98 | 89 |
| 6 | c-C6H11 | 96 | 88 |
| 7 | CH2CH2Ph | 92 | 84 |
