297. L. Gremaud, A. Alexakis,
     “Enantioselective Copper-Catalyzed Conjugate Addition of Trimethylaluminium to β,γ-Unsaturated α-Ketoesters”
     Angew. Chem. Int. Ed. 2012, 51, 794-797.

Not a cop out: The copper-catalyzed asymmetric conjugate addition of organometallic reagents to Michael acceptors is an important methodology for forming a C—C bond in an enantioselective manner. Such an addition of Me₃Al to β,γ-unsaturated α-ketoesters is described to proceed in high yield and selectivity. CuTC=copper(I) thiophene-2-carboxylate.

DOI : 10.1002/anie.201107324 

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