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The formation of a CC and a CN bond in a reaction between γ-(N-arylamino) alkenes and aryl bromides results in the stereoselective synthesis of substituted pyrrolidine derivatives (see scheme). Preliminary studies suggest these reactions proceed by intramolecular alkene insertion into the PdN bond of intermediate [Pd(Ar)(amido)] complexes. dba=dibenzylideneacetone, dppb=1,3-bis(diphenylphosphanyl)butane.
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Ney et al. (2004) studied this question.
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