Journal
ACS MEDICINAL CHEMISTRY LETTERS
Volume 1, Issue 6, Pages 240-243Publisher
AMER CHEMICAL SOC
DOI: 10.1021/ml100055m
Keywords
[F-18]Fluorine; nucleoside; purine; 2-[F-18]fluoroadenosine; PET
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Funding
- Commissariat a l'Energie Atomique
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An efficient method to incorporate the fluorine-18 radionuclide in 2-nitropurine-based nucleosides was developed. The nucleophilic radiofluorination of the labeling precursor with [F-18]KF under aminopolyether-mediated conditions (Kryptofix 2.2.2/K2CO3) followed by deprotection was straightforward and, after formulation, gave 2-[F-18]fluoroadenosine, ready for injection with a radiochemical yield of 45 +/- 5%, a radiochemical purity of >98%, and a specific radioactivity up to 148 GBq/mu mol. A micropositron emission tomography imaging and biodistribution study on rodents was reported.
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