Abstract
Arylpalladium complexes prepared from o-iodobenzylalcohol-biomolecule conjugates and triphenylphosphine linked on polystyrene beads provided convenient supported and stable precursors. These heterogeneous substrates could react smoothly with [11C]CO, affording the corresponding 11C-labelled bioconjugates with isolated radiochemical yields ranging from 4% to 71%, and excellent radiochemical purities from 86% to >98% after a simple filtration. Thus, this method opens up a new pathway for an easier automation of Pd-catalysed syntheses of PET tracers.
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