SEARCH Articles Figures Tables 0-Keto-enolates, metal 3-Keto esters Enol esters Enolates enol esters Enolization keto-enol Ester enolate Esters enolates Esters enolization Esters metalation Keto-enolates Keto-enols Metal enolate Metal enolates Metal enolates 2- ester Metalation ester enolates