SEARCH Articles Figures Tables Fulvenes heptafulvenes Heptafulvene Heptafulvene addition Heptafulvene, 8,8-dimethylcycloaddition reactions Heptafulvene, 8,8-dimethylcycloaddition reactions dienes Heptafulvenes 8+2]cycloaddition reactions Heptafulvenes 8-cyano-8- heptafulvene Heptafulvenes 8-substituted Heptafulvenes cycloaddition Heptafulvenes nucleophilic addition Heptafulvenes reaction Heptafulvenes structures Heptafulvenes synthesis Reactions of Heptafulvenes Synthesis of Heptafulvenes Vinyl heptafulvene