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Hydroamination of Substituted Aminoallenes (5 mol % of Catalyst, 75 °C)
| yielda |
||||
|---|---|---|---|---|
| substrate | major product | cat. (t/b) | Imine | 5-exo |
|
|
2 (22) | (95) | (5) |
| 11 (1) | 84 | ---b | ||
|
|
2 (9) | (90) | (10) |
| 11 (5) | 79 | ---b | ||
|
|
2 (4) | (92) | (8) |
| 11 (1.5) | 95 | ---b | ||
|
|
11 (10) | 93 | ---b |
|
|
11 (2) | 88 | ---b |
|
|
11c (36) | (60) | (4) |
|
--- | 11c (24) | ---b | |
Isolated yield, NMR conversion in parentheses.
Not observed by 1H NMR.
10 mol % of 11, 135 °C.
