SEARCH Articles Figures Tables Acid-catalyzed Keto-enol Acid-catalyzed Keto-enol tautomerism Acid-catalyzed keto-enol interconversion Acid-catalyzed reactions keto-enol interconversion Acidic conditions keto-enol tautomerism Acidic zeolite keto-enol isomerization Enolic acids Enolization keto-enol Enols acidity Keto-enol equilibria acid-catalyzed Keto-enol isomerization on acidic zeolite HZSM Keto-enol tautomerism acidity Keto-enol tautomerization reactions acid-catalyzed ketonization Keto-enolates Keto-enols