Macrocyclic aromatic polysulfones and sulfide-sulfones: synthesis and structural characterisation of molecular pentagons and rectangles
Ben-Haida, A., Colquhoun, H.M., Hodge, P., Raftery, J., White, A.J.P. and Williams, D.J. (2009) Macrocyclic aromatic polysulfones and sulfide-sulfones: synthesis and structural characterisation of molecular pentagons and rectangles. Organic & Biomolecular Chemistry, 7 (24). pp. 5229-5235. ISSN 1477-0520
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To link to this article DOI: 10.1039/b912193e
Cyclo-condensation of arylenedithiols with bis(4-chlorophenylenesulfone)s under pseudo-high-dilution conditions affords macrocyclic aromatic sulfide-sulfones which are readily oxidised to all-sulfone-linked macrocycles. The cyclic pentamer of poly(1,4-phenylenesulfone) and cyclic dimer of poly(1,4-phenylenesulfonyl-4,4'-biphenylenesulfone) have been isolated and characterised.