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Copper-Mediated Fluoroalkylation of Aryl Bromides and Chlorides Enabled by Directing Groups

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This report describes the reactions between N-heterocyclic carbene copper(I) fluoroalkyl complexes and aryl halides bearing ortho-directing groups. Pyridine, pyrazole, oxazoline, imine, and ester directing groups are shown to dramatically enhance the reactivit... ...