TABLE 4.
Radiotracers prepared from aryl(mesityl)iodonium salts: copper mediated
| Entry | Target radiotracer |
Precursor Structure |
Labeling Technique |
Labeling Conditions |
Yield,a % | Reference | |||
|---|---|---|---|---|---|---|---|---|---|
| Name | Structure | Solvent | °C | min | |||||
| 1 | [18F]FDAA1106 |
|
|
Minimalist (1 step) | dmf | 85 | 20 | 93 (60) (41 ± 3) | Zlatopolskiy et al,105 Zischler et al138 |
| 2 | [18F]4-FPhe |
|
|
Minimalist (2 steps) | DMF | 85 | 20 | 81-92 (53-66) (56 ± 5) | Zlatopolskiy et al,105 Zischler et al138 |
| 3 | [18F]6-FDA |
|
|
Minimalist (2 steps) | DMF | 85 | 20 | 71-94 (46) | Zlatopolskiy et al105 |
| 4 | [18F]FDOPA |
|
|
Batch | DMF | 85 | 20 | 17 ± 5 | Ichiishi et al41 |
| 5 | [18F]FDOPA |
|
|
Batch | DMF | 85 | 20 | 31 ± 3 | Ichiishi et al41 |
| 6 | [18F]4-FPhe |
|
|
Batch | DMF | 85 | 20 | 23 ± 5 | Ichiishi et al41 |
Abbreviations: DMF, dimethylformamide; [18F]4-FPhe, [18F]l-4-fluorophenylalanine; [18F]6-FDA, [18F]6-fluorodopamine.
Values in plain type are yields before isolation. Values in bold and parentheses are yields after isolation.