Table 3.
Unanticipated selectivity in amination.
| |||
|---|---|---|---|
|
| |||
| Entry | Alkylated amine | Time (hr) | Isolated yield (%) |
| 1 |
 30 |
20 | 74 |
| 2 |
 31 |
20 | 65 |
| 3 |
 32 |
12 | 57 |
| 4 |
 33 |
3 | 72 |
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