A complex of the macrocyclic aminopolyether Kryptofix® 2.2.2. and potassium carbonate was used to synthesize [18F]‐CH2BrF from dibromomethane. At the no‐carrier‐added level the nucleophilic 18F‐for‐Br exchange gives rise to a corrected radiochemical yield up to 62%.
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Coenen et al. (1986) studied this question.
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