Novel <i>N,N,P</i>-Tridentate Ligands for the Highly Enantioselective Copper-Catalyzed 1,4-Addition of Dialkylzincs to Enones
作者:Kenjiro Kawamura、Hitomi Fukuzawa、Masahiko Hayashi
DOI:10.1021/ol801259u
日期:2008.8.21
Use of 0.25 mol % of the N,N,P-tridentate ligand containing the 2-quinolyl moiety (1 and 2) and 0.1 mol % of Cu(OTf)(2) enabled the enantioselective 1,4-addition of dialkylzincs to cyclic enones to produce 1,4-adducts in up to 99% ee.