Cu(OTf)2-Mediated Fluorination of Aryltrifluoroborates with Potassium Fluoride
Journal of the American Chemical Society2013Vol. 135(44), pp. 16292–16295
Citations Over TimeTop 10% of 2013 papers
Abstract
This Communication describes the Cu(OTf)2-mediated fluorination of aryltrifluoroborates with KF. The reaction proceeds under mild conditions (at 60 °C over 20 h) and shows a broad substrate scope and functional group tolerance. The Cu is proposed to play two separate roles in this transformation: (1) as a mediator for the aryl–F coupling and (2) as an oxidant for accessing a proposed Cu(III)(aryl)(F) intermediate.
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