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An ionene with spirane structure (spiroionene)

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Abstract

The secondary diamine 1,3,5,7-tetrahydro[1,2c:4,5c'] benzodipyrrole (3) and 1,2,4,5-tetrabromomethylbenzene (1) form a polymeric ionene with spirane structure through a repetitive alkylation reaction. The structure of the product could be proven by13C-NMR spectroscopy by comparison with suitable reference compounds. Solutions in aqueous methanol exhibit a typical polyelectrolyte effect. Variation of the counterions produces sufficient solubility in organic solvents. From the crystal structure of a similar model compound one can conclude that the synthesized polymer has a rod-like shape.

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Authors and Affiliations

  1. Department of Organic Chemistry, University of Mainz, J.J. Becher-Weg, D-6500, Mainz, Federal Republic of Germany

    Rolf C. Schulz & Frank Walter

  2. Max-Planck-Institute for Polymer Research, Ackermannweg10, D-6500, Mainz, Federal Republic of Germany

    Klaus Müllen

  3. Department of Organic Chemistry, University of Köln, Greinstrasse 4, D-5000, Köln 41, Federal Republic of Germany

    Johann Lex

Authors
  1. Klaus Müllen
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  2. Johann Lex
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  3. Rolf C. Schulz
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  4. Frank Walter
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Müllen, K., Lex, J., Schulz, R.C. et al. An ionene with spirane structure (spiroionene). Polymer Bulletin 24, 263–269 (1990). https://doi.org/10.1007/BF00306573

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