SEARCH Articles Figures Tables Diels-Alder reaction synthetic applications Synthetic application of Diels-Alder Synthetic application of Diels-Alder reaction Synthetic applications Synthetic applications of the aqueous aza Diels-Alder reaction involving simple protonated iminium ions Synthetic applications of the aqueous aza Diels-Alder reaction with protonated C-acyl iminium ions Synthetic applications of the asymmetric aqueous aza Diels-Alder reaction with simple protonated iminium ions