SEARCH Articles Figures Tables 5-exo-trig reaction Diels-Alder reaction endo v.exo addition Endo and exo addition in a Diels-Alder reaction Ene reactions endo/exo selectivity Exo selectivity. Diels-Alder reaction Exo stereochemistry, Diels-Alder reaction and Exo- and endothermic reactions Exo-cyclization reactions Exo-dig cyclization reactions Exo-selective Diels-Alder reaction Exo-trig cyclization reactions Tricyclodecenols, exo-methylenesynthesis via retro Diels-Alder reactions