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Radiofluorination of a NHC-PF5 adduct: toward new probes for 18F PET imaging.


ABSTRACT: The radiofluorination of N-heterocyclic carbene (NHC) phosphorus(v) fluoride adducts has been investigated. The results show that the IMe-PF5 derivative (IMe = 1,3-dimethylimidazol-2-ylidene) undergoes a Lewis acid promoted 18F-19F isotopic exchange. The resulting radiofluorinated probe is remarkably resistant to hydrolysis both in vitro as well as in vivo.

SUBMITTER: Vabre B 

PROVIDER: S-EPMC5615223 | biostudies-literature | 2017 Aug

REPOSITORIES: biostudies-literature

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Radiofluorination of a NHC-PF<sub>5</sub> adduct: toward new probes for <sup>18</sup>F PET imaging.

Vabre Boris B   Chansaenpak Kantapat K   Wang Mengzhe M   Wang Hui H   Li Zibo Z   Li Zibo Z   Gabbaï François P FP  

Chemical communications (Cambridge, England) 20170721 62


The radiofluorination of N-heterocyclic carbene (NHC) phosphorus(v) fluoride adducts has been investigated. The results show that the IMe-PF<sub>5</sub> derivative (IMe = 1,3-dimethylimidazol-2-ylidene) undergoes a Lewis acid promoted <sup>18</sup>F-<sup>19</sup>F isotopic exchange. The resulting radiofluorinated probe is remarkably resistant to hydrolysis both in vitro as well as in vivo. ...[more]

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