SEARCH Articles Figures Tables Enol alkyl Enolate alkylation Enolates alkylation Enolization keto-enol Enols alkylation Enols keto-enol tautomerization Enols tautomerism Keto enol tautomerism Keto-enol tautomerisms Keto-enol tautomerization Keto-enolates Keto-enols Tautomeric enol Tautomerization enols