Abstract
AbstractWith the aim of preparing a new rigid rod type polymer, we worked out a synthesis of the title compound: 1,4‐bis(chloromethyl)benzene was reacted with KCN, and the product was formylated with ethyl formate; exchange of enol by enamine function by treatment with ammonium acetate completes the synthesis. Polymerization of this only mildly nucleophilic monomer with terephthaloyl dichloride proceeded rather slowly and only moderate chain length polymer proved accessible. The cyclization envisioned could be shown to proceed as desired in a model compound from the title compound with benzoyl chloride. Upon putative cyclization, the polymer remained soluble in sulfuric acid.
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