SEARCH Articles Figures Tables A -Cyclopentenones A-Silyl enol A-Silyl esters A-enolation A-silyl Cyclopentenone esters Enol esters Enolates enol esters Enolates silylation Ester enolate Esters as enolates Esters enolates Esters enolization Esters silyl enol Silyl enolate Silyl enolates Silyl ester Silylative cyclopentenones