Structure of the chromotropic dimers produced from 2-arylphenanthro-[9,10-d]imidazoles
Abstract
The dimer produced from 2-phenylphenanthro[9,10-d]imidazole by oxidation with hexacyanoferrate(III) is shown to be 2,2′-diphenyl-1H,2′H-1,2′-biphenanthro[9,10-d]imidazolyl (23). Derivatives of this dimer substituted in the phenyl rings have been obtained similarly, and their chromotropic properties are reported.