Copper (I) Mediated Conjugate Addition of Grignard Reagents to 2-Oxoethylcyclohexenols. A Versatile, Efficient and Diastereoselective Route to anti, Z 6-Alkyl-2-trialkylsilyloxy-1-(2-trimethylsilyloxypropylid-1-ene)-cyclohexanes - Dambrin, Valéry; Villiéras, Monique; Amri, Hassen; Lebreton, Jacques; Villiéras, Jean (Synlett, 1999)