Table 3. Conversion of 5-Azidomethyltriazole 1b into Cyanamide 8b under Different Reaction Conditions.
| entry | reagent | equiv | T (°C) | t (h) | yield (%)a |
|---|---|---|---|---|---|
| 1 | 120 | 48 | |||
| 2 | NaCl | 1 | 60/80 | 24/24 | |
| 3 | NaN3 | 0.5 | 80 | 48 | 67 |
| 4 | NaN3 | 1.0 | 80 | 48 | 46 |
| 5 | NaN3 | 1.5 | 80 | 48 | 34 |
After isolation by column chromatography.
