The dibenzo[de;hi]naphthacenyl dication () and dianion () have been generated from a mixture of the corresponding precursor hydrocarbons. The pmr spectra of and indicated that the positive and the negative charges were found to be fully delocalized over the molecules, respectively, consistent with the C2v-symmetry structures. The pmr chemical shifts of correlate well with the Hückel charge densities
二苯并[ de ; 喜]并四苯基双阳离子()和二价阴离子()已经被从相应的前体的烃的混合物生成。的质子核磁共振谱和表明阳性,并且发现的负电荷被在分子,分别完全离域的,与C一致2V -symmetry结构。pmr的化学位移与Hückel电荷密度密切相关。