SEARCH Articles Figures Tables Aldehyde acid reaction Aldehydes 1.3- dienes Aldehydes acid-catalyzed Aldehydes acidity Cyclocondensation Cyclocondensation Lewis acid catalyzed Cyclocondensation aldehyde Cyclocondensation reactions Diene acid Diene reaction Dienes, reactions Lewis acid catalyzed reaction Lewis acid-catalyzed Lewis catalyzed Lewis reactions