SEARCH Articles Figures Tables 4 -catalyzed condensation Acidity of aldehydes Acids acid-catalyzed condensation Aldehydes acid-catalyzed Aldehydes acidity Aldehydes compounds Aldehydes condensation Aldehydes heterocyclic Compounds acids and Condensation compounds Condensation, of aldehydes Condensed heterocycles Heterocyclic acids Heterocyclic compounds condensed Heterocyclic compounds, and Heterocyclics condensed