SEARCH Articles Figures Tables 1,3-Cycloaddition, anionic intramolecular Anionic cyclization intramolecular carbolithiation Anionic intramolecular Diels-Alder cyclization Asymmetric intramolecular anionic cyclization Heterocycles intramolecular anionic cyclization Intramolecular Cyclizations Involving Anion Radicals Intramolecular anion radicals Intramolecular carbolithiation reactions anionic cyclization Intramolecular reactions formate anion trapping Radical anions intramolecular reaction