Copper(I) iodide dimethyl sulfide catalyzed 1,4-addition of alkenyl groups from alkenyl-alkylzincate reagents
作者:Amer El-Batta、Mikael Bergdahl
DOI:10.1016/j.tetlet.2007.01.041
日期:2007.3
presence of catalyticquantities of the copper(I) iodide dimethyl sulfide complex (CuI)4(SMe2)3} with alkenyl-alkylzincate reagents allows for the complete chemoselective 1,4-addition of various alkenyl groups to a number of α,β-unsaturated carbonyl compounds in CH2Cl2 at +35 °C. The 1,4-addition of the mixed vinylzincate reagent is more efficient than the corresponding vinylzirconocene reagent in CH2Cl2