Table 4.
| |||||
---|---|---|---|---|---|
Entry | substrate[a] | conditions | RCY [%][b] | ||
|
|||||
Temp. [°C] |
Time [S] |
[18F]Fluoro- benzyl azide |
[18F]4- Fluoro anisole |
||
1 | 3 | 200 | 188 | [18F]2a, 17 | 1 |
2 | 8 | 200 | 188 | [18F]2c, 46 | 1 |
3[c] | 8 | 180 | 94 | [18F]2c, 53 | 2 |
5 mM in DMF.
Optimal RCY from 6-8 different runs under different conditions, determined chromatographically with correction for radioactivity adsorption; adsorption in the microfluidic apparatus was 29 ± 2% (n = 3, mean ± SD).
Reaction performed in MeCN.