Stereoselective reactions. 30. Enantioselective alkylation of the lithium enolates of six-membered cyclic ketones using tetradentate chiral amines in the presence of lithium bromide

Article abstract of DOI:10.1016/S0040-4020(98)00009-X

An efficient enantioselective alkylation of the lithium enolates of cyclohexanone and 1-tetralone with reactive alkyl halides was realized using a stoichiometric amount of a tetradentate chiral amine as a ligand for the lithium in the presence of lithium bromide in toluene.