SEARCH Articles Figures Tables A Cycloaddition Forming Three-Membered Rings Construction of Ring Systems by Cycloaddition Reactions Cycloaddition 1,3-dipolar-electrophilic ring closur Cycloaddition 2- azetidinone ring Cycloaddition five-membered rings formation Cycloaddition four-membered rings formation Cycloaddition large rings formation Cycloaddition precursor cyclopentadiene ring Cycloaddition reactions 3-membered rings Cycloaddition reactions bridged ring compounds Cycloaddition reactions fused ring compounds Cycloaddition reactions ring compounds from Cycloaddition reactions rings Cycloaddition reactions small ring compounds Cycloaddition ring opening reaction Cycloaddition, 1,3-dipolar 1.2.3- triazoline ring Cycloaddition, 1,3-dipolar pyrazole ring Cycloaddition-modification-ring cleavage Cycloaddition/annulation five-membered rings Cycloadditions and Ring Expansion Reactions Cycloadditions seven-membered ring synthesis Cycloadditions small ring compounds Cycloadditions three-membered ring formation Cycloheptafuranones, cycloaddition ring-whizzing Diels-Alder cycloaddition/ring-closing metathesis Five-membered rings nitrile imine cycloadditions Five-membered rings nitrile oxide intramolecular cycloadditions Formation of five-membered rings - 1,3-dipolar cycloaddition reactions Furan ring, intramolecular cycloaddition Intermolecular cycloadditions aminoalcohol ring cleavage Intramolecular cycloadditions isoxazoline ring cleavage Intramolecular cycloadditions mesoionic ring systems Ketenes, vinyl12 + 2] cycloaddition via cyclobutenone ring opening Mesoionic ring systems cycloaddition reactions Metal-catalyzed Cycloaddition of Small Ring Compounds Nitrone cycloaddition ring contraction Nitrone cycloaddition ring-opening Other Cycloadditions Leading to Seven-Membered Rings Polar Cycloadditions in Which the Electrophilic System Contains Two Atoms of an Aromatic Ring Ring structure intermolecular cycloadditions Ring structure intramolecular cycloadditions Ring-closure reactions cycloaddition Seven-membered rings via -cycloadditions Seven-membered rings, synthesis cycloaddition strategies Silver-catalyzed ring-opening cycloaddition Strained ring compounds photochemical cycloaddition