Cupration of C<sub>2</sub>F<sub>5</sub>H: Isolation, Structure, and Synthetic Applications of [K(DMF)<sub>2</sub>][(<i>t</i>‑BuO)Cu(C<sub>2</sub>F<sub>5</sub>)]. Highly Efficient Pentafluoroethylation of Unactivated Aryl Bromides
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Pentafluoroethane, C2F5H (HFC-125), is smoothly cuprated with preisolated or in situ-generated [K(DMF)][(t-BuO)2Cu] to give [K(DMF)2][(t-BuO)Cu(C2F5)] (1) in nearly quantitative yield. Complex 1 has been isolated, structurally characterized, and demonstrated to be an exceedingly versatile pentafluoroethylating reagent for a variety of substrates, including unactivated aryl bromides.
创建时间：
2013-08-28
