Further evidence for spontaneous solid-state polymerisation reactions in 2,5-dibromothiophene derivatives

Spencer, H.J. and Berridge, R. and Crouch, D.J. and Wright, S.P. and Giles, M. and McCulloch, I. and Coles, S.J. and Hursthouse, M.B. and Skabara, P.J. (2003) Further evidence for spontaneous solid-state polymerisation reactions in 2,5-dibromothiophene derivatives. Journal of Materials Chemistry, 13 (9). pp. 2075-2077. ISSN 0959-9428 (http://dx.doi.org/10.1039/b307575n)

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Abstract

Three new, highly crystalline 2,5-dibromothiophene compounds polymerise on standing in the absence of solvent and catalyst; X-ray crystallography shows that the molecules are held in close proximity by several short intermolecular contacts, facilitating the coupling of monomers.