SEARCH Articles Figures Tables 1.3- dipolar cycloaddition reactions substituted aziridines 2-Substituted cycloaddition 2-Substituted cycloaddition 4-substituted via cycloaddition A2-Triazolines, 5-substituted via 1,3-dipolar cycloadditions Azepines, N-substituted via cycloaddition Azomethine ylides, cycloaddition with substituted aziridines Butadienes substituted, cycloadditions Cycloaddition reactions nucleophilic substitution Cycloadditions with substituted dienes Nucleophilic substitution 3 + 2] cycloaddition Nucleophilic substitution 3 + 4]/ cycloadditions Synthesis and cycloadditions of substituted monobromo-2-pyrones Vinyl ethers, cycloadditions with 3-substituted 2-pyrones