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Multistep Redox Systems. 1,3-Dimethylidenecyclobutanes Substitued by ?-Systems: Syntheses and Properties
Freund, Wolfgang,Huenig, Siegfried
, p. 929 - 941 (1987)
As potential redox systems 1,3-dimethylidenecyclobutanes are synthesized in which the 'exo'-methylidene group participates in a cyclopentadienyl (type C4) or cycloheptatrienyl (type A5) system.Benzo-annellated systems are also described.The formation of t
