Table 1.
Synthesis of azidoalkyl aldehydes.

| entry | compd | n | 1 (yield, %) | compd | R | 2 (yield, %) | compd | 3 (yield, %) | 
|---|---|---|---|---|---|---|---|---|
| 1 | 1a | 1 | 96 | 2a | allyl | 84 | 3a | 59 | 
| 2 | 1a | 1 | 96 | 2b | benzyl | 79 | 3b | 41 | 
| 3 | 1b | 2 | 99 | 2c | allyl | 44 | 3c | 66 | 
| 4 | 1b | 2 | 99 | 2d | benzyl | 65 | 3d | 83 | 
| 5 | 1c | 3 | 99 | 2e | allyl | 83 | 3e | 81 | 
| 6 | 1c | 3 | 99 | 2f | benzyl | 54 | 3f | 78 |