Table 2. The impact of the alkenyl substituent in the 1,6-enyne for the Ti(ii)-catalyzed PKR.
| ||||
|---|---|---|---|---|
| Entry | R | x | Yield (%) | ee (%) |
| 1 | Me | 20 | 90 | 72 |
| 2 | H | 5 | 88 | 89 |
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