Table 1.
Light Source Optimizationa
![]() | |||
|---|---|---|---|
| entry | light source | operating temp (°C) | yield (%) |
| 1 | Rayonet 2537A | r.t. | 12 |
| 2 | Rayonet 3000A | r.t. | 32 |
| 3 | Rayonet 3500 | r.t. | 23 |
| 4 | ThermalSpa | 45 | 59 |
| 5 | 500 W halogen | 70 | 11 |
Reaction conditions: o-nitrobenzyl alcohol (0.5 mmol, 1 equiv), primary amine (2.5 mmol, 5 equiv), PBS solution (6.5 mL), 24 h. Isolated yields are reported.
