π-Complexes from acyl cyanides and lithium dimethylcuprate(I).

Steven H Bertz, Richard A Hardin, Michael D Murphy, Craig A Ogle

Index: Chem. Commun. (Camb.) 49(29) , 3010-2, (2013)

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Abstract

Rapid injection of pyruvonitrile or benzoyl cyanide into solutions of Me2CuLi in THF-d8 at -100 °C gave complexes that were stable at this temperature. 1D NMR with multiply labelled substrates ((13)C/(15)N) and 2D NMR ((1)H/(13)C) identified them as the first cuprate-carbonyl π-complexes.