Asymmetric alkylation of aromatic aldehydes by diethyl zinc in the presence of (S)-N,N,N',N'-tetramethyl-2,2'-diamino-1,1'-binaphthyl

Article abstract of DOI:10.1016/S0957-4166(00)82120-5

The new chiral aprotic ligand 1, N,N,N',N'-tetramethyl-2,2'-diamino-1,1'-binaphthyl, having C₂-symmetry structure, affords enantiomeric excesses up to 64percent in the asymmetric alkylation of aromatic aldehydes by diethylzinc.