SEARCH Articles Figures Tables Acid-Base Catalysis and Proton-Transfer Reactions Acid-base catalysis Acids and catalysis Aldol reactions acid and general base catalysis Base catalysis Catalysis by Solid Acids and Bases Catalysis by acids and bases EKELBURGER C. S. WILCOX, University of Pittsburgh, PA, USA 5 The Aldol Reaction Acid and General Base Catalysis Enolization acid and base catalysis General acid and base catalysis General and Specific Acid-Base Catalysis Hydration and Acid-Base Catalysis Push-pull and bifunctional acid-base catalysis Specific acid and base catalysis