“…Other catalysts and oxidants are also known to be effective (2)(3)(4). Treatment of benzene with aluminum chloride by prior investigators resulted in the formation of numerous substances including phenylcyclohexane, 1,3-diphenylcyclohexane, 1,4-diphenylcyclohexane, phenylmethylcyclopentane, diphenylmethane, phenol, biphenyl, naphthalene, phenylnaphthalene, anthracene, acenaphthene, and chlorinated products and tars (5)(6)(7). However, poly(p-phenylene) has not been reported as a product of this reaction.…”