Reaction of 1,8-bis(phenylethynyl)naphthalene with phenylchlorocarbene: formation of an intramolecular cyclization product from the carbene monoadduct and of 1,8-naphthylenebis(diphenylcyclopropenylium) dication from the bisadduct
Reaction of 1,8-bis(phenylethynyl)naphthalene with phenylchlorocarbene: formation of an intramolecular cyclization product from the carbene monoadduct and of 1,8-naphthylenebis(diphenylcyclopropenylium) dication from the bisadduct