AN EFFICIENT ASYMMETRIC SYNTHESIS OF TRISUBSTITUTED CYCLOHEXENONES AND TRISUBSTITUTED CYCLOPENTENONES FROM CHIRAL 2,2-DIALKYL 1,4- AND 1,5-DIKETONES

Article abstract of DOI:10.1016/S0040-4039(00)95410-8

Addition of organolithium reagents to the chiral bicyclic lactams 2 and 9 leads to the title compounds in high enantioselectivity.