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Mild and rapid: The title reaction is presented and its applicability to 18F radiolabeling is demonstrated (see scheme; TBAF=tetra-n-butylammonium fluoride, THF=tetrahydrofuran, dba=dibenzylideneacetone). The use of p-nitrobenzoate as the leaving group is significant to the success of this catalytic organometallic fluorination process. A range of allylic fluorides were synthesized by this method.
Hollingworth et al. (Tue,) studied this question.