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Comparative redox isomerisation of differently substituted aminopropargyl alcohols
 | ||||
|---|---|---|---|---|
| Entry | R | R | PG | Yielda |
| 1 | Me | H | Ts(6e) | 79% |
| 2 | Me | H | SO2Ph (6i) | 92% |
| 3 | Me | H | o-Ns (6j) | 85% |
| 4 | Me | H | Boc (6k) | 77% |
| 5 | H | Ph | Boc (6l) | 75%b |
All yields are for pure, isolated products.
Isolated as a 3:1 mixture of diastereomers.
