Electronic Structural Characterization of Cycloheptadienequinone and Cyclopentenequinone Systems on the Models of 2,3,4,5-Dibenzo-7,8-diphenylheptatriafulvalene-1,6-quinone and 5,6-Diphenylcalicene-1,4-quinone

Article abstract of DOI:10.1246/cl.1987.2253

The title heptatriafulvalene- and calicene-quinones have been synthesized.The difference in the degree of the charge separation between these quinones has been ascribed to the increasing contribution of pseudo 6? and 4? electron peripheries in the 7- and