Abstract
AbstractNo‐carrier‐added (NCA) [18F]fluorobenzene was prepared in a multistep synthesis with a radiochemical yield of 20‐30%.A series of NCA and CA 18F‐labeled aryl fluorides which are important precursors of 18F‐labeled butyrophenone neuroleptics have also been synthesized in radiochemical yields of 30–50%. The direct synthesis of [18F]spiroperidol and [18F]benperidol from the parent compounds and/or nitro and/or chloro compound using the nucleophilic substitution reactions were also investigated.
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