SEARCH Articles Figures Tables A enantioselective A-halogenated A-halogenation Carbonyl compounds enantioselective Carbonyl compounds halogenation Enantioselective a-halogenation Enantioselectivity halogenation Halogen compounds Halogenated carbonyl Halogenated carbonyl compounds Halogenated compounds, carbonylation Halogenation compounds Halogenation of carbonyl compound Of halogen compounds